Having concentric coaxial spring between plural confining means for radial force

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140.12
This subclass is indented under subclass 140.11.  Structure wherein the resilient means is an elastomeric or like spring radially disposed between two approximately concentric rigid tubular members with the energy from the vibrating component being applied not parallel to the central axis of the tubular members and the resilient means.
(1) Note. Many of the devices included herein and the indented subclass have an inner tube which extends approximately all the way through the outer tube.


 
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Title
  Date
4377216 Vibration damping bushing Mar-22-1983
A vibration damping bushing having an energy absorbing sleeve positioned about an inner sleeve and within an outer sleeve. The energy absorbing sleeve has first and second cavities positioned diametrically opposed along the axis of force applied to the bushing, and has a connecting passageway interconnecting...     
4458888 Dampening device Jul-10-1984
A damper for dampening shock and vibration between two structural members includes a housing secured to one of the structural members and a flexible membrane body secured to the other. The flexible membrane body defines at least parts of three hydraulic chambers which are hydraulically interconnected...     
4588174 Fluid-filled resilient bushing May-13-1986
A fluid-filled resilient bushing having an annular resilient member radially compressed between an inner rigid sleeve and an outer rigid sleeve concentric with the inner rigid sleeve. The resilient member has a plurality of recesses interconnected through an orifice, and the outer rigid sleeve cooperates...     
4605207 Fluid-filled resilient bushing Aug-12-1986
A fluid-filled resilient bushing structure having a resilient member interposed between an inner sleeve and an outer sleeve disposed radially outwardly of the inner sleeve. The resilient member has portions in which are formed plural fluid chambers which are filled with an incompressible fluid and held...     
4616846 Control device for a suspension Oct-14-1986
A control device in a suspension having a link rod includes a pair of fluid-sealed bushings provided on the respective opposite ends of the link rod and having hydraulically adjustable compliances, a valve mechanism for varying the compliances of the fluid-sealed bushings, an actuator for actuating the...     
4630806 Liquid-filled elastomeric bushings Dec-23-1986
A liquid-filled elastomeric bushing is disclosed, which comprises an inner sleeve, an outer sleeve, an elastomeric member disposed between the inner and outer sleeves and provided at its axially middle portion with liquid chambers, intermediate rings interposed between the elastomeric member and the...     
4690389 Hydraulically damped mounting device Sep-1-1987
A hydraulically damped mounting device has two anchor parts, in the form of a sleeve and a tube, connected together by a resilient wall. The resilient wall and the sleeve define a working chamber for hydraulic liquid which is connected to a compensation chamber by a passageway. The passageway may extend...     
4693491 Suspension system Sep-15-1987
A suspension system consists of a suspension rod interposed between a vehicle body side member and a wheel side member to elastically connect them. The suspension rod includes a first elastomeric member connected to the vehicle body side member and defining a first fluid chamber. A second elastomeric...     
4697795 Hydraulically damped mounting device Oct-6-1987
A hydraulically damped mounting device has two bushes connected together by an elongate bar. Each bush has a housing containing an anchor point connected to the housing by a resilient spring. Each spring, and part of the corresponding housing defines a working chamber for hydraulic fluid, the working...     
4702346 Vibration insulator Oct-27-1987
An annular element is disposed within an outer tubular member of an insulator device in a manner to surround a recessed elastomeric body interposed between the outer tubular member and an inner tubular member. A channel formed in the outer periphery of the annular element is closed by the outer tubular...     
4705410 Hydraulically damping bearing Nov-10-1987
A hydraulically damping bearing which includes an inner bushing arranged in an outer bushing and an elastic element inserted therebetween. Chambers are provided within the elastic element which are filled with a damping medium and are connected with each other hydraulically by way of throttling channels...     
4717111 Fluid-filled resilient engine mount Jan-5-1988
A fluid-filled resilient engine mount including an inner and an outer sleeve which have axes parallel to each other, and a resilient member which is interposed between the inner and outer sleeves and which cooperate with the outer sleeve to define a plurality of fluid chambers which communicate with...     
4728086 Vibration isolating apparatus Mar-1-1988
A vibration isolating apparatus wherein an inner tube and an outer tube are disposed coaxially or axially parallel with each other, and a pair of liquid chambers are formed in a vibration absorbing resilient member disposed between the inner and outer tubes. The liquid chambers are communicated with...     
4739979 Fluid-filled resilient support structure Apr-26-1988
A fluid-filled resilient support structure including a first annular resilient member disposed radially outwardly of an inner sleeve, a pair of annular closure members closing opposite ends of an annular space between the inner sleeve and the first resilient member, a cylindrical member fitted on an...     
4741521 Axially-loadable bearing May-3-1988
Axially and radially-loadable bearing which damps in an axial direction for elastic mounting of machines, machine parts, and/or vehicle parts. This bearing has an outer part and two elastomeric or rubber springs located between an inner, often rotating, part and an outer part, which form a cavity area...     
4767108 Elastic bushing assembly Aug-30-1988
An elastic bushing assembly including a rigid sleeve member disposed radially inwardly of an outer sleeve, the sleeve member having a radial flange extending radially outwardly from one axial end thereof, an elastic member interposed between the outer sleeve and the sleeve member, an inner sleeve disposed...     
4768760 Hydro-elastic articulation Sep-6-1988
The articulation comprises an inner armature (4, 9) and an outer armature (5) interconnected by a mass (3,8) of elastomer, in which are formed two chambers (6, 7) filled with liquid and interconnected through a passageway (13). The articulation is formed by two elements (1, 2) each constituted by part...     
4771990 Hydraulic antivibration support sleeves Sep-20-1988
The support sleeve comprises two rigid coaxial and concentric armatures of revolution joined to one another by a body of elastomer adhered to the latter and shaped so as to form at least two fluid-tight pockets. These pockets communicate with one another through a throttled passage and are filled with...     
4811933 Fluid-filled bushing Mar-14-1989
A fluid-filled bushing comprises an outer tube, an inner tube disposed coaxially in the outer tube, a plurality of resilient members disposed between the outer and inner tubes and defining a fluid chamber therebetween, and a closure member disposed in the fluid chamber and having a base fitted in the...     
4817926 Hydraulically damped tubular rubber spring Apr-4-1989
A hydraulically damped tubular rubber spring comprising spaced apart inner and outer tubes, made of aluminum, sheet metal or plastic. Disposed in the spacing between the tubes is a rubber element which is adhesively mounted both internally and externally and which comprises at least two chambers, arranged...     
4822010 Fluid filled resilient bushing Apr-18-1989
A fluid filled resilient bushing assembly for vibration control, particularly adapted for use in supporting a torque strut or an automobile suspension system, which comprises an elongate inner rigid member and a elongate outer rigid sleeve member, an impact absorbing member interposed between the inner...     
4834351 Rubber sleeve spring May-30-1989
A rubber sleeve spring of two independently made parts each including two supporting sleeves one radially surrounding another, as well as a spring body of rubber joining the supporting sleeves and with two recesses corresponding to one another in the spring body. The two parts are so configured and assembled...     
4838529 Liquid-filled vibration isolating devices Jun-13-1989
A liquid-filled vibration isolating device comprises a central member, an outer sleeve, an elastic member interposed between the central member and the outer sleeve, at least two liquid chambers defined among them and filled with a liquid, a restricted passage communicating the liquid chambers with each...     
4840357 Hydraulic antivibratory support sleeves Jun-20-1989
A hydraulic antivibratory support sleeve is provided comprising two rigid tubular frames (1,2) one surrounding the other and joined together by an elastomer body (3) adhered thereto and shaped so as to form therewith at least two diametrically opposite sealed pockets (A,B) communicating together through...     
4840359 Encapsulated rubber cushion Jun-20-1989
An encapsulated rubber cushion loaded mostly perpendicularly to its axis, in which two sleeves, one radially inside the other, are bonded together by a resilient body of rubber. The resilient body contains fluid-filled chambers which are connected at least partially by connecting openings. The dividing...     
4858899 Bushing type vibration insulator Aug-22-1989
A bushing type vibration insulator, for example, used as a suspension bushing of an automotive vehicle. The vibration insulator consists of an outer cylindrical member connected to one member of the suspension. The outer cylindrical member is connected through an elastomeric member with an inner cylindrical...     
4861004 Fluid damped elastomeric bushing Aug-29-1989
A fluid-damped elastomeric bushing of the invention comprises an inner sleeve and an outer sleeve in a concentric or eccentric relation, an elastric member provided between the inner and outer sleeve, a plurality of liquid chambers or compartments provided in the central portion of the elastic member...     
4869475 Hydraulic antivibratory support sleeves Sep-26-1989
The invention provides a hydraulic antivibratory support sleeve comprising two rigid tubular frames (1, 2) one surrounding the other and joined together by an elastomer body (3) adhered thereto and adapted so as to form therewith at least two diametrically opposite sealed chambers (A, B) communicating...     
4871151 Fluid-filled resilient bushing Oct-3-1989
A fluid-filled resilient bushing is disclosed, which includes a resilient member interposed between inner and outer sleeves, and an elastically yieldable partition member disposed in an axial void which is formed in the resilient member and extends over an entire axial length of the same. The resilient...     
4872650 Vibration insulating device Oct-10-1989
A vibration insulating device for preventing vibration from being transmitted from an engine to a vehicle body in an automotive vehicle. The vibration insulating device is comprised of an elastic support member bonded between an inner cylinder connected to the engine and an outer cylinder connected to...     
4872651 Fluid filled resilient bushing Oct-10-1989
A fluid filled resilient bushing assembly for rotary vibratory motion control, particularly adapted for use in a joint between a motion inducing member and a base member, having an elongate outer rigid sleeve member, an elongate inner rigid member rotatable with respect to the outer rigid sleeve member...     
4884789 Power unit mounting device Dec-5-1989
Disclosed herein is a fluid-filled mounting device which comprises an inner cylindrical member; an outer cylindrical case surrounding the inner cylindrical member; a cylindrical elastomer block disposed between the inner cylindrical member and the outer cylindrical case; a structure defining in the elastomer...     
4893799 Vibration isolation apparatus Jan-16-1990
Antivibration isolation device with hydraulic damping of radial elasticity, consisting of four concentric tubes bonded two by two to the elastic lateral walls, which by simultaneous fitting form two chambers connected by a long laminar passage for an inertial damping fluid, shunted by limited deformation...     
4895353 Fluid filled elastomeric damping device Jan-23-1990
A vibration bushing damping device includes an inner member and an outer member which is axially paralleled to the inner member and which encloses a substantial section of the inner member. A vibration absorbing resilient body is interposed between the inner and outer members. The body includes a first...     
4896868 Hydraulic antivibratory support sleeve Jan-30-1990
The invention provides a hydraulic antivibratory support sleeve comprising two rigid tubular frames (1, 2), one surrounding the other and joined together by an elastomer body (3) adhered thereto and shaped so as to form therewith at least two sealed chambers (A, B) diametrically opposite in a direction...     
4899997 Fluid filled resilient bushing Feb-13-1990
A fluid filled resilient bushing assembly for vibration control, particularly adapted for use in a suspension system, which includes an elongate inner rigid member and an elongate outer rigid sleeve member, a resilient device interposed between the inner and outer members. The resilient device together...     
4907787 Rubber cartridge spring Mar-13-1990
A liquid-filled rubber cartridge spring is composed of an outer tube and a window tube which are mounted statically at rest one inside the other and together define a gap which is sealed at both ends by rings of elastic material adhesively bonded to the window tube and/or to the outer tube. The rings...     
4921229 Fluid-filled elastic center bearing mount May-1-1990
A fluid-filled elastic mount for flexibly supporting a vehicle propeller shaft to the vehicle body, having an elastic body interposed between an inner and an outer sleeve. The mount has a pressure-receiving chamber, and a generally arcuate void which extends axially of the sleeves and which is located...     
4923178 Fluid-filled cylindrical elastic mount May-8-1990
A fluid-filled cylindrical elastic mount including an inner and an outer sleeve; an elastic body interposed between the inner and outer sleeves; a rigid sleeve disposed over at least an outer circumferential surface of opposite axial end portions of the elastic body; a pressure-receiving chamber provided...     
4936555 Vibration damping device Jun-26-1990
A bush-type vibration damping device having an inner cylinder and an outer cylinder arranged in such a way that their axes extend in parallel with each other, and an elastic member is interposed between the inner and outer cylinders. A pressure receiving chamber, a first sub-liquid chamber and a second...     
4936557 Hydraulically damped rubber cartridge spring Jun-26-1990
A hydraulically damped rubber cartridge spring in which a rubber spring body is surrounded at each lateral end by a permanently vulcanized supporting ring and, in the region between them, by a ring body which consists of two half shells. The ring body and the supporting rings have the same outside diameter...     
4944482 Hydraulic vibration damping bushings Jul-31-1990
The invention relates to a hydraulic vibration damping bushing comprising two tubular rigid armatures (1, 2) jointly united by an elastomeric body (3) configured in such a way to form between themselves at least two tight pockets (4, 4') communicating with each other by a narrow channel (7), which along...     
4953833 Hydraulically damping elastic bearing Sep-4-1990
A hydraulically damping elastic bearing comprises an inner tube, an outer tube concentric or eccentric in relation to and located at some distance from the inner tube. An elastic part is inserted between them to include at least two chambers filled with damping medium. The two chambers are connected...     
4955589 Hydraulically damped mounting device Sep-11-1990
A hydraulically damped mounting device has two anchor parts connected by a resilient wall which applies a spring force to relative vibrations of the anchor parts. Also connected to the anchor parts are two bellows walls each defining a corresponding chamber for hydraulic fluid, which chambers are interconnected...     
4958811 Hydraulically damping elastic bearing Sep-25-1990
A hydraulically damping elastic bearing comprises an outer tubular member and an inner tubular member disposed radially inwardly of the outer tubular member to be separated therefrom. An elastic member is disposed between the inner and outer tubular members and has at least one chamber filled with a...     
4964623 Fluid filled resilient bushing Oct-23-1990
A fluid filled resilient bushing assembly for vibration control in the radial and axial directions or combinations thereof, particularly adapted for use in a suspension system, which comprises an elongate inner rigid member and an elongate outer rigid sleeve member, a resilient member interposed between...     
4971456 Fluid-filled elastic center bearing mount Nov-20-1990
A mount for flexible connection of a vehicle propeller shaft to a vehicle body, including an inner sleeve and an outer sleeve, and an elastic body interposed between said inner and outer sleeves for elastic connection therebetween. The elastic body partially defines at least two pairs of upper and lower...     
4982938 Hydraulic damping elastic bearing Jan-8-1991
A hydraulic damping elastomeric bearing includes an internal element, an external element disposed around the internal element to be radially spaced therefrom, and an elastomeric spring disposed between the internal element and the external element. The elastomeric spring has a cavity therein and defines...     
5007304 Fluid filled elastomeric damping device Apr-16-1991
A restrictive fluid passageway is defined between an outer sleeve and a bracket to provide fluid communication between a working chamber and a compensation chamber or two compensation chambers. In one embodiment, two compensating chambers are arranged outside of the outer sleeve. In another emboidment,...     
5013012 Hydraulic anti-vibratory support sleeves May-7-1991
A hydraulic anti-vibratory support sleeve is provided having two rigid tubular frames surrounding each other mutually and joined together by an elastomer body adhering thereto and shaped so as to form at least two sealed pockets full of liquid and communicating together through a narrow channel, said...     
5024425 Elastomeric sleeve spring Jun-18-1991
Rubber sleeve spring with an hydraulic damping, including two connecting pieces which enclose one another in a relationship parallel to their axes and are radially spaced apart and, in which, in the gap formed by this space, there are two spring bodies successively disposed in radial direction and preferably...     
5026031 Fluid-damped resilient bush Jun-25-1991
A fluid-damped resilient bush, e.g. for use in a vehicle suspension comprises an outer sleeve and an intermediate sleeve between which a rubber bush is moulded as a one-piece moulding. Cavities are formed between the intermediate sleeve and an inner member, which is mounted within the one-piece moulding...     
5035407 Fluid-filled power unit mount Jul-30-1991
A power unit mount through which a power unit is supported on a vehicle body in a manner to insulate vibration transmission. The power unit mount is comprised of an elastomeric support body fixedly interposed between inner and outer cylindrical members which are connected respectively to the vehicle...     
5040774 Hydraulic damping bushing Aug-20-1991
A vibration damping device of the bushing-type includes a rigid outer housing and a rigid inner member, having a first side and a second side, which is substantially enclosed by the outer housing. A first vibration absorbing resilient body is interposed between the first side of the inner member and...     
5048803 Hydraulically damping bearing Sep-17-1991
A hydraulically dampening bearing which has an internal tube, an external tube and a rubber, or elastomeric, spring inserted between them. Chambers containing dampening fluid are hydraulically connected with one another via throttled passages. An equalizing chamber is connected to at least one of the...     
5050850 Electrorheological anti-vibration bush Sep-24-1991
An anti-vibration bush comprises: an outer casing adapted to be mounted on either a vibration generating member or a vibration receiving member; a shaft disposed in the outer casing and adapted to be mounted on the other member; and an elastic member disposed between the outer casing and the shaft and...     
5054752 Fluid-filled power unit mount Oct-8-1991
A power unit mount through which a power unit is mounted on a vehicle body. The power unit mount is comprised of an elastic support member securely disposed between inner and outer cylindrical members which are respectively connected to the power unit and the vehicle body. The elastic support member...     
5058866 Hydraulically damped mount Oct-22-1991
A hydraulically damped mount includes both a fluid overflow opening (6) and a damping opening (5) arranged in parallel between a fluid working chamber (4) and an equalizing chamber (7). In the overflow opening (6) there is provided a pressure relief valve (8) which can be activated by the differential...     
5076550 Fluid filled elastomeric damping device Dec-31-1991
A fluid filled elastomeric damping device has a diaphragm enclosing a working chamber and a diaphragm restraining mechanism for selectively restraining and freeing movement of the diaphragm and thereby varying a damping or operational characteristic of the device. The mechanism includes a pressing plate...     
5080332 Structure of vibration-proof rubber bushing Jan-14-1992
A structure of a vibration-proof rubber bushing with a high loss factor and high durability is disclosed which comprises a) a metallic outer envelope; b) a viscous fluid preferably of a liquid such as silicone oil filled in the outer envelope; c) a first elastic member; and d) a metallic inner envelope...     
5081881 Fluid filled elastomeric damping device Jan-21-1992
A restrictive fluid passageway is defined between an outer sleeve and a bracket to provide fluid communication between a working chamber and a compensation chamber or two compensation chambers. In one embodiment, two compensating chambers are arranged outside of the outer sleeve. In another embodiment,...     
5088702 Hydraulic antivibratory sleeves Feb-18-1992
A hydraulic antivibratory sleeve is disclosed comprising two rigid tubular frames (1, 2), one surrounding the other, and joined together by an elastomer body (3) shaped so as to form therewith at least two diametrically opposite sealed pockets (A, B) communicating together through a narrow channel, the...     
5088703 Vibration isolating apparatus Feb-18-1992
A vibration isolating apparatus includes an inner cylinder supported by one of a vibration producing portion and a vibration receiving portion; an outer cylinder supported by the other and disposed around an outer periphery of the inner cylinder in such a manner as to surround the inner cylinder; a liquid...     
5092565 Hydraulically damped rubber cartridge spring Mar-3-1992
A hydraulically damped rubber cartridge spring incorporates two chamber pairs (4, 6; 5, 7) isolated from one another by a wall (8 ). The chambers are located at a distance from one another in the direction of the introduced vibrations. The chambers of each chamber pair are connected by damping orifices...     
5096166 Elastomeric sleeve spring Mar-17-1992
A hydraulically damping rubber sleeve spring is described the spring body of which contains, in addition to the liquid-filled chambers (5, 6) joined to one another by throttled openings, at least one additional, closed chamber (9) filled with a filling material (10, 11) which is not hydraulically joined...     
5102106 Hydraulic antivibratory sleeves Apr-7-1992
A hydraulic antivibratory sleeve comprising two rigid tubular frames (1, 2), one surrounding the other and joined together by an elastomer body (3) shaped so as to form therewith at least two diametrically opposite sealed pockets (A, B) communicating together through a narrow channel (9), the assembly...     
5102108 Vibration-damping device with hydraulic damping Apr-7-1992
A vibration-damping device with hydraulic damping has a base body, a cylindrical holder secured to the base body, and an outer cylinder press-fitted within the cylindrical holder. A vibration-damping rubber body provided with a main liquid chamber enclosing a damping liquid is disposed within the outer...     
5118068 Vibration isolator Jun-2-1992
A vibration isolator in which an elastic body is stretched between inner and outer tubes connected to a vibration source and a vibration receiving member, respectively, and in which a pair of liquid chambers disposed on opposite sides of the inner tube communicate with each other through a restricted...     
5145024 Engine suspension system Sep-8-1992
In order to improve vibration attenuation (during engine shake and idling for example), reduce power consumption and increase the longevity of elements associated with the application of a high voltage to electrodes which control the viscosity of an ERF in an orifice passage, the rate at which the ERF...     
5156379 Fluid-filled insulating bushing Oct-20-1992
An insulating bushing through which an engine is supported on a vehicle body. The insulating bushing is comprised of a support elastomeric member tightly interposed between inner and outer cylinders. One of the inner and outer cylinders is connected to one of the engine and the vehicle body while the...     
5165669 Hydraulically damping elastomer bearing Nov-24-1992
A hydraulically damping rubber, elastomer an/or resilient bearing with at least one fastener is provided. The fastener is configured and designed to be fastened to a vehicle body. The bearing includes at least two fluid chambers containing damping fluid. The fluid chambers are located axially one behind...     
5169130 Hydraulically damped bushings Dec-8-1992
A hydraulically damped bushing comprising two tubular bodies surrounding each other and joined with each other by an elastomeric member so designed as to form two sealed cavities communicating with each other by a narrow channel, the cavity-channel assembly being filled with a liquid, whereas the portion...     
5170997 Resilient articulation with variable stiffness Dec-15-1992
A resilient pressurized fluid articulation is disclosed which has variable stiffness, i.e. whose stiffness may be modified at will under the influence of an external agent. The articulation includes a resilient material block (5, 5a; 15, 15a) mounted between rigid bearing surfaces of a structure (7,...     
5172893 Hydraulic antivibratory sleeves Dec-22-1992
A hydraulic antivibratory sleeve comprises, on the the one hand, two rigid tubular frames (1, 2) with an axis X, one surrounding the other, joined together by an elastomer body (3) shaped so as to form therewith at least two sealed pockets (A, B) diametrically opposite in a direction Y perpendicular...     
5172894 Dual elastomeric/fluid engine mount Dec-22-1992
An engine mount is described as having two concentrically disposed annular resilient rubber springs, the outermost of which is provided with a pair of cavities and connecting passageway for receiving a dampening fluid. The spring rates of the two rubber springs can be individually tuned by the use of...     
5178373 Multi-chamber fluid filled vibration insulator Jan-12-1993
In order to prevent relative displacement between two elements which form part of a separation assembly used to define first and second auxiliary chambers within a fluid filled vibration insulator, the two members are fixedly connected together prior assembly.
5178376 Hydraulically damped rubber cartridge spring Jan-12-1993
A hydraulically damped rubber cartridge spring has two liquid-filled chambers 1, 3 and 2, 4. The chambers 1, 2, 3, 4 of the chamber pairs are spaced apart from one another in an axial direction, and the chambers 1, 2, 3, 4 of each chamber pair 1, 3 and 2, 4 are connected via a separated damping opening...     
5181698 Hydraulically damping rubber bearing Jan-26-1993
Hydraulically damping rubber bearing, consisting of a divided inner part, an outer part located at some distance from the inner part, and rubber springs inserted between the inner part and the outer part, in which bearing there are at least two chambers hydraulically connected to one another by at least...     
5184803 Fluid damped elastomeric bushing Feb-9-1993
A fluid-damped elastomeric bushing has an inner sleeve and an outer sleeve disposed outwardly of the inner sleeve, and two sidewalls extending between the inner sleeve and the outer sleeve and a partition wall to thereby form a pair of fluid compartments. The fluid compartments has a main chamber and...     
5190269 Rubber bushing Mar-2-1993
Disclosed is a rubber bushing which includes an inner cylindrical member including irregularities formed on a part of an outer peripheral surface thereof, a ring made of resin, the ring disposed integrally on the outer peripheral surface on which the irregularities are formed, and the ring having an...     
5195728 Elastomeric mounting with fluid damping Mar-23-1993
A fluid-filled elastomeric mounting for a vehicle suspension comprises an inner rigid member, an outer rigid member which surrounds and is spaced from the inner rigid member, a pair of longitudinally spaced load-bearing annular elastomeric elements which interconnect the rigid members and define a fluid...     
5197692 Adaptive fluid mount Mar-30-1993
A double pumper mount useful as a front mount for an aircraft engine. A pair of fluid chambers are selectively interconnectable by one of a plurality of inertia tracks by use of an adjustable cylindrical member which has the tracks formed as generally helical grooves extending about the periphery of...     
5199691 Hydraulic anti-vibration sleeves Apr-6-1993
A hydraulic anti-vibration sleeve includes two coaxial rigid tubular membvers that are interconnected by an elastomer body (3) which co-operates therewith to form two diametrically opposite watertight pockets that intercommunicate via a narrow channel (Z), both pockets and the channel being filled with...     
5221077 Vibration isolating apparatus Jun-22-1993
A vibration isolating apparatus disposed between a vibration generating unit and a vibration receiving unit has an elastic member which is engaged between an inner tube and an outer tube disposed outside the inner tube in parallel relation for coupling both of the tubes, and which is formed with a thin-wall...     
5226500 Automotive power unit mounting system Jul-13-1993
A vibration sensor is disposed at an evaluation point on the vehicle floor proximate the driver's seat. This sensor, in combination with one disposed on a electrically controllable engine mount, is used to determine the magnitude and orientation of a vector of vibration which reaches the evaluation point...     
5228662 Vibration isolation apparatus Jul-20-1993
A vibration isolation apparatus comprises a first auxiliary fluid chamber communicating through a first restricted path with a main fluid chamber and a second auxiliary fluid chamber communicating through a second restricted path with the main fluid chamber. The second restricted path has electrode plates...     
5280885 Vibration isolating apparatus Jan-25-1994
A vibration isolating apparatus is disclosed which comprises an inner tube and an outer tube disposed in a parallel axis state to each other and an elastic member stretched therebetween, the elastic member being provided with a pair of liquid chambers disposed in the interior thereof at opposite sides...     
5305991 Hydraulically damped sleeve bearing Apr-26-1994
A hydraulically damped sleeve bearing having two supporting structures which are arranged essentially parallel to a common axis and are connected by a spring member made of a rubber-elastic material. The spring member has at least one liquid-filled chamber pair that is connected through a damping opening...     
5344126 Vibration isolation apparatus Sep-6-1994
A vibration isolation apparatus comprises an outer cylinder, an inner cylinder, an elastic member disposed between the outer and inner cylinders and deforming when vibration is generated, a main fluid chamber able to expand and contract according to deformation of the elastic member, an auxiliary fluid...     
5346191 Hydraulically damping rubber engine mount Sep-13-1994
Hydraulically damping rubber engine mount comprising an inner tube (1) and an outer tube (2) surrounding the inner tube at a radial distance therefrom, the tubes being joined together by a rubber-elastic cushion (3) having two liquid-filled working chambers (4, 5) separated from one another by a dividing...     
5370376 Liquid-containing type vibration isolating apparatus Dec-6-1994
A liquid-containing type vibration isolating apparatus includes a first restricting passage, which connects a pressure-receiving liquid chamber and a first sub-liquid chamber and which is substantially U-shaped, and a longitudinal second restricting passage, which connects the pressure-receiving liquid...     
5374039 Fluid-and-elastomer support device Dec-20-1994
A damping device which provides superior damping stiffness K", has linear damping characteristics as a function of amplitude and for which the temperature sensitivities of stiffnesses K*, K", K' have been minimized. The device includes a first second fluid-filled chambers which are interconnected by...     
5375821 Engine mount for motor vehicles Dec-27-1994
An engine is supported on a frame of a motor vehicle by a plurality of engine mounts. At least one of said engine mounts are positioned on a main axis of inertia of the engine, and has substantially equal vertical and lateral static spring rates, a vertical dynamic spring rate greater than the vertical...     
5386976 Hydraulically damped rubber engine mount Feb-7-1995
An outer supporting body (2) surrounds an inner supporting body (1) at a radial distance therefrom, the bodies being supported on one another by a cushion (3) of rubber-elastic material which defines at least three chambers (4, 5, 6) filled with damping fluid. The first and the second chambers (4, 5)...     
5397112 Fluid-filled elastomeric suspension bushing Mar-14-1995
A circular cylindrical elastomeric member is formed with an annular recess and two spaced apart pockets in communication with the recess. An outer metal tube receives an inner ring in interference fit in the tube bore, the ring having at least one peripheral depression in an outer surface and a pair...     
5413319 Fluid damped bushing May-9-1995
A fluid damped bushing (10) comprising a metallic sleeve (12) and an annular elastomeric body (14) mold bonded to the exterior of the metallic sleeve. The elastomeric body has a spaced apart pair of fluid containing recesses (16, 18) in its exterior surface with an intermediate recess (20) positioned...     
5427361 Vibration isolating apparatus Jun-27-1995
A vibration isolating apparatus which damps and absorbs vibrations from a vibration generating portion. A first restricting passage, a second restricting passage and a third restricting passage are formed in a block member. Respective transit resistances of these restricting passages are different. One...     
5429343 Fluid-filled vibration damping device Jul-4-1995
In a fluid-filled vibration damping device, a rubber material is injection molded in the upper half of an inner space of a cylindrical insert plate 1 to form a damping rubber member 2 through which an inner tube 3 is retained. A concave 21 is formed in the center of the damping rubber member 2 in such...     
5492310 Hydraulically damping elastic bearing Feb-20-1996
Hydraulically damping rubber bearing including an inner part, an outer part oriented concentrically or eccentrically in relation to the inner part and at some distance from the inner part, and a rubber part inserted between the inner part and the outer part, in which rubber part there are at least two...     
5509643 Hydraulically damping bearing bush Apr-23-1996
A hydraulically damping bearing bush, particularly for motor vehicles, includes a hollow-cylindrical bearing core having ends with end surfaces and an outer tube having end surfaces. Two elastomeric support springs have a space therebetween and are disposed between the bearing core and the outer tube...     
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