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Class 267/35 - Rubber type and fluid pressure


Subclass of Class 267 - Spring devices
Definition: Device wherein a rubber type spring and a fluid-pressure
No. of patents: 178
Last issue date: 05/13/2008


1          
NumberTitleIssue Date
7370850Air spring assembly
An air spring assembly for a vehicle includes a spring seat adapted to be secured to vehicle structure of the vehicle. The spring seat has a post extending therefrom. The air spring assembly includes an inflatable air spring having a mounting cap for attachment to t...
05/13/2008
7331434Impact absorber
An impact absorber is provided for absorbing impact forces especially in case of a collision of a motor vehicle. The impact absorber includes an inner tube (1), which can be pushed into an outer tube (2) in a telescopic manner and which is closed with ...
02/19/2008
7328887Self-indexing spacer for air spring assembly
An air spring spacer for use in mounting an associated air spring in spaced relation to an associated vehicle component. The air spring spacer includes a spacer body, a first indexing feature, and a second indexing feature complementary to the first indexing feature...
02/12/2008
7284644Multiple load path air spring assembly
An air spring assembly, for use on an associated vehicle suspension system having a mounting member and a damping member, includes spaced apart first and second end members. A flexible wall is secured on the first and second end members and defines a spring chamber ...
10/23/2007
7226044Rolling-lobe air spring
An air spring includes a flexible member, a roll-off piston and a cover plate. The piston includes a slot at its upper end for receiving the end of the flexible member applied with the aid of a clamp ring. The piston includes a flange for deflecting the flexible mem...
06/05/2007
7188828Hydraulic bearing
A hydraulic bearing includes a supporting bearing, a bearing base, and an annular spring element of elastomeric material interconnecting the supporting base and the bearing base. A working chamber and a compensating chamber are bounded by the supporting bearing and ...
03/13/2007
7178794Fluid isolator assembly and floating elastomeric damping element
An isolator apparatus is described to attenuate or isolate vibration. The isolator apparatus includes a fluid isolator assembly including a flexible diaphragm and a pressure chamber having a flow passage opened to the pressure chamber to provide a fluid spring. A fl...
02/20/2007
7175166Engine mount
The engine mount of the invention has a vibration side attaching member (2) to be attached to an engine, a supporting side attaching substrate (4) to be attached to a supporting frame (3), and a rubber vibration isolator (5). This is inte...
02/13/2007
7114692Vibration isolation device
A vibration isolation device for isolating a vibration source from a carried member, includes: a carrier for carrying the carried member; a housing positioned on the vibration source, and formed with an accommodating space; a cover for sealing an open end of the hou...
10/03/2006
7114710Pneumatic vibration isolator
In a pneumatic vibration isolator that includes a housing, an upper part with a first cylindrical side wall and a lower part with a second cylindrical side wall, a pneumatic spring is disposed in an annular gap between the first and the second cylindrical side wall ...
10/03/2006
7100895Travel-transmitting element for an injection valve
Disclosed is a travel-transmitting element for an injection valve, comprising a pressure-loaded storage chamber which is filled with a hydraulic fluid and a storage element that is provided with an elastomeric bellows-type member. In order to ensure sufficient stead...
09/05/2006
7073643Compensated rod for a frequency dependent damper shock absorber
A frequency-dependent damper incorporates a compensated piston assembly to reduce the amount of static push-out force. The piston rod is a hollow rod with a compensator being disposed within the hollow portion of the piston rod. The piston rod is a hollow rod with a...
07/11/2006
7070157Mount assembly
A mount assembly for use in an automotive suspension system, body mount, cradle mount, or other like device. The mount assembly includes a polyurethane elastomer carrier mounted to a frame and having a peripheral outer rim. A microcellular polyurethane insulator is ...
07/04/2006
7066957Device and assembly for intervertebral stabilization
The invention concerns a staiblizing device (150) designed to link two vertebrae, comprising at least two chambers (156, 158, 186, 188) arranged proximate to said vertebrae, said chambers containing a shock absorbing fluid. Means (192, 194) are ...
06/27/2006
6959796Adjustable damper with valve mounted in-line
A damper includes an outer cylinder and an inner cylinder. The inner cylinder is disposed inside the outer cylinder and contains a rod and valve to define an upper working chamber and a lower working chamber. An adjustable valve portion fluidly communicates the uppe...
11/01/2005
6945548Air spring and air spring mounting assembly
A non-torque reactive air suspension exhibiting excellent roll stability characteristics is shown to include frame hangers mounted to frame rails extending longitudinally on opposite sides of a vehicle. Longitudinally extending beams are connected to the frame hange...
09/20/2005
6935472Damping structure and applications
A damping structure includes a member defining an internal cavity; an aggregate which includes at least solid bodies in contact and which completely fills the internal cavity; a rigid plate for closing off the internal cavity; and an elastic element which exerts ela...
08/30/2005
6932332Hydraulic antivibration support
A hydraulic antivibration support comprises two rigid strength members interconnected by an elastomer body which defines a working hydraulic chamber communicating with a compensation chamber via a constricted passage. The two hydraulic chambers are separated by a ri...
08/23/2005
6921098Independent suspension system for light and medium duty vehicles
The present invention relates to an improved vehicle suspension system. More particularly, the present invention relates to an independent suspension system for light and medium duty trailers which utilizes a flexible bladder mounted between the vehicle frame and th...
07/26/2005
6910682Pneumatic-spring wheel-suspension leg
A pneumatic-spring wheel-suspension leg for motor vehicles. The leg comprises a bellows (1) that can be rolled up over a jacket (3) and accommodates a pneumatics chamber (9), a hydraulic dashpot inside the bellows or jacket, and a piston rod (
06/28/2005
6820883Vehicle suspension including dock height holding device
A vehicle suspension includes a dock height holding device. First and second jounce bumper portions preferably each include a surface configuration that faces generally toward the oppositely facing jounce bumper portion. By moving at least one of the jounce bumper p...
11/23/2004
6799753Fluid-filled elastic mount
A fluid-filled elastic mount of suspension type, wherein a lower open-end of a cylindrical portion of a second mounting member is fluid-tightly closed by a first mounting member and a tapered elastic body interposed therebetween, extending from the lower open-end in...
10/05/2004
6691989Variable rate air spring assembly
An air spring assembly has a pair of spaced end plates and a flexible sleeve extending therebetween forming an internal fluid chamber. One of the end plates is a bead plate which is crimped to an open end of the sleeve. An insert having an internally thre...
02/17/2004
6669181Vibration isolating apparatus
The vibration isolating apparatus includes, an outer tube, an inner tube disposed at an inner peripheral side of the outer tube, an elastic body disposed between the outer tube and the inner tube, a main fluid chamber which contains a fluid with the elast...
12/30/2003
6663091Hydraulic bearing
A hydraulic hearing, including a supporting bearing (1) and a bearing member (2), which are supported against each other by an elastic spring element (3) made of rubber elastic material, and delimit a working chamber (4) and the compensating chamber (5); ...
12/16/2003
6585239Compensation of transverse forces in pneumatic spring struts
A spring strut comprises a pneumatic spring and an oscillation damper and is fitted between a vehicle body and a wheel of a vehicle. The oscillation damper has a piston rod movable on an axis and a container concentric to the axis. The pneumatic spring ha...
07/01/2003
6520491Impact attenuation
An apparatus for attenuating shock loads includes a flexible, non-rigid outer impervious envelope. The envelope is formed from a high strain resistance material. An inner, pervious baffle extends across the envelope between the first and second sides. The...
02/18/2003
6439551Variable spring constant type damper filled with viscous fluid
A variable spring constant type damper filed with visco fluid which has a great damping effect over a wide frequency band from a low frequency band to a high frequency band and to suppress a resonance magnification at a resonance frequency of a supported ...
08/27/2002
6378851Fluid and elastomer apparatus with discrete volume compensator and secondary compliance
A fluid and elastomer device for isolating dynamic loading between members connected to the device, the fluid and elastomer device comprising: an inner member that defines a compliance chamber; an outer member that defines an outer housing chamber; an ela...
04/30/2002
6322059Low contact force spring
A fluid spring assembly. The spring assembly preferably includes a body that slidably supports a piston that is attached to a piston rod. The piston serves to define a fluid chamber within the body that is charged with a pressurized fluid medium. The pist...
11/27/2001
6257561Air spring
If the height of a train car is reduced by the regrinding of the tread of each wheel and then reincreased to the original level by simply increasing the height of air springs, the compression stroke of the air springs changes. An arrangement is proposed t...
07/10/2001
6250613Non-metallic spacer for air spring assembly
A spacer for an air spring assembly includes a substantially cylindrical body having a substantially planar mounting surface. The body includes a central hub, an outer rim, and a plurality of structural arms connecting the outer rim to the central hub. Th...
06/26/2001
6234460Push-on air spring bumper
The disclosed invention is directed toward an improved airspring bumper (20) and an airspring (10) comprising the improved bumper (20). The bumper (20) is defined by a dual reinforcing structure comprising concentric sets of ribs (50, 58) for absorbing an...
05/22/2001
6199708Railcar cushioning device with internal elastomeric spring
A railcar cushioning device with a gas charged cylinder and a piston contained in the cylinder for cushioning buff and draft impacts. An elastomer spring is contained in the cylinder between the piston and an end of the cylinder to locate the piston in a ...
03/13/2001
6196528Spacecraft antenna vibration control damper
A vibration control system is provided for an appendage such as an antenna 10 coupled to a platform such as a spacecraft 12. The antenna 10 is coupled at a base 14 so as to extend from the spacecraft 12. A plurality of guidelines 20 extend between remote ...
03/06/2001
6092795Fluid and elastomer damper
A fluid damper to damp unwanted vibration between a first member (21) and a second member (23, 23'), such as between a rotor blade and hub within a helicopter rotor system. According to a first aspect, the fluid damper (20) includes an outer member (22), ...
07/25/2000
6042092Bellows cylinder
A bellows cylinder (10) provided with a bellows part (13) at least at a part is formed so that a first surface 16 of a cylinder wall of the above bellows part is tilted to the radial direction of the bellows part and is directed to one end of the bellows ...
03/28/2000
6010120Fluid-filled vibration damping device having pneumatically oscillated members partially defining primary and auxiliary fluid chambers
A fluid-filled vibration damping device wherein two mutually spaced-apart mounting member are elastically connected by an elastic body, which cooperates with a first movable member to define a primary fluid chamber communicating through an orifice with an...
01/04/2000
5996978Hydraulic damper for vehicle
In a first type, there is provided, inside an inner tube of a twin-tube type of damper, a pressurizing chamber to be defined by a free piston which is slidably fit onto an outer surface of a rod. A fluid pressure from an outside pressure source is supplie...
12/07/1999
5967501Vibration damper
A vibration damper includes at least one damper mass and at least one bush bearing, the bush bearing having an inner supporting core surrounded with radial clearance by an outer supporting sleeve, a spring mass made of elastomer material that extends esse...
10/19/1999
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