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Class 188/269 - Using diverse fluids


Subclass of Class 188 - Brakes
Definition: Device wherein the medium comprises a gas and a liquid,
No. of patents: 138
Last issue date: 12/08/2009


1        
NumberTitleIssue Date
7628255Gas spring
The invention relates to a gas spring which uses a compensating medium acting on a compensating piston in order to compensate the dependence on temperature of its characteristic. According to a first aspect of the invention, a compensating medium (16M) is sel...
12/08/2009
7431134Gas spring
The invention relates to a gas spring which uses a compensating medium acting on a compensating piston in order to compensate the dependence on temperature of its characteristic. According to a first aspect of the invention, a compensating medium (16M) is sel...
10/07/2008
7361836Method and arrangement for a termination of an electrical cable
A method of building a cable termination is provided. The termination has an outer insulator body, a substantially longitudinally extended interior member having the electrical cable to be terminated, having a conductor for carrying load, an insulating material fill...
04/22/2008
7353922Air damper
An air damper includes a cylinder having a bottom, a piston received inside the cylinder to move freely back and forth coaxially, and an orifice provided in the piston. The piston is formed of a synthetic resin, and has a piston rod extending toward a side of the cy...
04/08/2008
7308791Hydraulic disc brake lever assembly
A brake lever assembly for actuating a hydraulic disc brake system is shown and described. The brake lever assembly provides two-stage braking by operatively connecting a lever to first and second pistons contained in a master cylinder. The first and second pistons ...
12/18/2007
7306207Method and system for adjusting internal pressure of gas lifter using angle sensor
A method and system for adjusting internal pressure of a gas lifter includes measuring a variable opened angle of an openable object, such as a hood, a trunk lid or a tailgate, using an angle sensor, and adjusting the internal pressure of the gas lifter according to...
12/11/2007
7293633Controlled damper assembly with isolated electrical connection
A controlled damper assembly includes a controlled-damper-assembly piston, a controlled-damper-assembly piston rod attached to the piston, an insulated wire, and an electrical connector. The insulated wire is positioned in the piston rod, has a first end operatively...
11/13/2007
7281377Hydraulic disc brake lever assembly
A brake lever assembly for actuating a hydraulic disc brake system is shown and described. The brake lever assembly provides two-stage braking by operatively connecting a lever to first and second pistons contained in a master cylinder. The first and second pistons ...
10/16/2007
7278522Controllable motion damper
A controllable motion damper with a damping piston separating two damping chambers from each other in a damping cylinder. A damping valve is disposed in a connecting channel of the two damping chambers with the transmissivity of the damping valve for a damping fluid...
10/09/2007
7255210Telescopic fork leg for a vehicle, preferably a motorcycle
A telescopic fork leg incorporates mutually displaceable inner and outer tube parts and a damping arrangement for damping the relative movements of the tube parts. The damping arrangement comprises tubular and coaxially disposed units. A piston belonging to a first ...
08/14/2007
7252181Air pressure proportional damper
A suspension system includes an air spring and a shock absorber disposed between the sprung and unsprung portions of a vehicle. A vehicle height sensor sends signals to a control system which adjusts the height of the vehicle by increasing or decreasing the air pres...
08/07/2007
7234714Roll control system for a motor vehicle
(57) A roll control system (20) for installation between axially aligned wheels of a motor vehicle, the roll control system comprising a torsion bar (22); a damper (24) attached to one end (28) of the torsion bar and attachable to ...
06/26/2007
7216723Pulse torque generator and power tool having the same
A pulse torque generator utilizing a magnetic coupling, and an electric power tool provided with the pulse torque generator. The pulse torque generator includes an input shaft extending in its axial direction and having a hollow section providing a hollow space, and...
05/15/2007
7204350Master cylinder lever for a hydraulic disc brake having favorable handle pivot geometry
A bicycle hydraulic disc brake master cylinder includes a housing having a bar clamp at one end configured for fastening the housing to a bicycle handle bar, the bar clamp receiving the handle bar along a clamp axis. A handle is pivotably connected to the housing to...
04/17/2007
7197383System for limiting reactive torque in powertrains
A control system limits reactive torque in a powertrain that is generated when braking force is applied to traction wheels during a sudden stop or other sudden braking event. The reactive torque generated at the traction wheels is prevented from being transmitted up...
03/27/2007
7163223Lockout mechanism for a suspension system
A suspension system that includes a simplified lockout mechanism and an adjustable blow-off mechanism. The system includes a valve mechanism and a valve actuating assembly, a valve mechanism housing and a resilient member disposed between the valve mechanism and the...
01/16/2007
7140601Independent and integrated compact air-bump stops
A compact air-bump stop (jounceshock) provides improved motor vehicle suspension system accommodation of jounce and rebound than is provided than by a conventional shock absorber, bump cushion and/or air-bump stop. In an independent jounceshock, a primary shell and ...
11/28/2006
7134534Damper for front fork of vehicle
A front fork for a vehicle includes an upper front fork tube, a lower front fork tube movably coupled to the upper front fork tube, a fluid contained in the upper and lower front fork tubes, and a damper fixedly sealedly mounted inside the upper front fork tube. The...
11/14/2006
7097012Compact temperature compensating gas spring
A compact temperature compensating gas spring including a gas filled hollow cylinder and a piston assembly slidably received in the gas filled hollow cylinder. The piston assembly includes a piston head and a piston rod. The piston rod includes a temperature compens...
08/29/2006
7097016Fulcrum blow off valve for use in a shock absorber
A shock absorber includes a rebound valve assembly which performs the flexing disc function normally required for allowing the passage of fluid from one side of a piston assembly to the opposite side during the stroke of the shock absorber. The rebound valve assembl...
08/29/2006
7070028Frequency dependent damper
A gas shock absorber has a pressure tube which defines a working chamber. A piston divides the working chamber into an upper working chamber and a lower working chamber. A flow path extends through the piston to provide fluid communication between the upper and lowe...
07/04/2006
7066471Lip-type shaft seal
A lip-type shaft seal is made of elastic material with a Shore A hardness of ≦75, includes a radial sealing lip, which has a sealing edge to bear against a rotating component and terminates in a axial sealing lip, which has a sealing edge to rests in installed sta...
06/27/2006
7066310Piston-cylinder unit
A piston is guided in an axially displaceable manner sealed off from a closed cylinder via an annular seal radially surrounding it, and divides the cylinder interior into a working space near the piston rod and a working space away from the piston rod. The two worki...
06/27/2006
7063343Front fork damper for bicycle
Disclosed is a front fork damper installed in a bicycle front fork formed of a fork pipe, a bottom case coupled and axially movable relative to the bottom case, and a hydraulic fluid filled in between the bottom case and the fork pipe. The front fork damper is joine...
06/20/2006
7048098Toroidal rotary damper apparatus
A toroidal rotary damper apparatus includes a housing having a toroidal inner housing surface and a piston moveable in the housing having a curved outer peripheral piston surface in engagement with the inner housing surface. A fluid barrier is attached to the housin...
05/23/2006
7000907Spring system for bicycles
The present invention relates to a spring system for bicycles having a first load-applying segment and a second load-applying segment as well as at least one positive spring and at least one negative spring arranged to be effectively operable between the first and t...
02/21/2006
6959797Piston-cylinder assembly with braking device
In a piston-cylinder assembly comprising a cylinder in which a piston rod is installed with freedom of axial movement and which is filled with a blocking medium, a braking device becomes active when the piston-cylinder assembly moves faster than a defined speed and ...
11/01/2005
6893033Integrated air spring and strut
A strut for a vehicle suspension includes a hydraulic cylinder housing defining a hydraulic fluid chamber. The hydraulic cylinder includes an air passage adjacent to the chamber and separated therefrom by a first common wall. An air spring is supported on an upper p...
05/17/2005
6820866Attenuator apparatus
An attenuator apparatus has an outer housing with a first chamber filled with a first fluid, and a bellows member of elastomeric material mounted in the first chamber and having a second chamber filled with a second fluid, the bellows member having a first end facin...
11/23/2004
6749185Cushion assembly and method
A cushion assembly includes a lower end wall which is at least partially enclosed by a tubular cylindrical outer wall. An upper end wall is also partially enclosed by the outer wall. A tubular cylindrical inner wall extends between recesses in the lower end wall and...
06/15/2004
6749045Passive force element on the basis of electrorheologic liquids
A passive force element on the basis of electrorheological liquids includes a piston with a piston rod guided in a cylindrical housing, and a force introduction element connected with the piston rod. The piston forms, in the cylindrical housing, two variable-volume ...
06/15/2004
6725983Shock absorber with air pressure adjustable damping
A vehicle suspension assembly includes a shock absorber that provides variable damping dependent on the load conditions of the vehicle. A central rod of the shock absorber includes a central bore that is fluidly coupled with air pressure within air springs of the su...
04/27/2004
6715744Air spring shock absorber module with internal load-based damping adjustment
A suspension assembly is provided that includes a shock absorber having a housing filled with hydraulic fluid. An air spring is supported on the shock absorber, and the air spring includes a bladder filled with air. A valve assembly is surrounded by the fluid housin...
04/06/2004
6698729Gas spring having a controllable output force
A gas spring for moving a load relative to a body includes a cylinder member having an axis, an inner surface forming a chamber, a rod end and a closed end, a piston rod seal/guide received in the rod end of the cylinder member, and a piston rod received ...
03/02/2004
6669180Gas-hydraulic shock absorber assembly
The gas-hydraulic shock absorber assembly comprises a sleeve member and a ram member movable relative to the sleeve member. In the interior of the ram member, a gas chamber is provided that is pressurized by means of a gas. In the interior of the sleeve m...
12/30/2003
6659242Hydraulic shock absorber for vehicle
In a hydraulic shock absorber in which a piston is slidably in contact with an inner periphery of an inner tube, a cross sectional area S1 of an annular oil chamber which is sectioned by an inner periphery of an outer tube and an outer periphery of the in...
12/09/2003
6655509Impact damper
An impact damper as a connecting member between a bumper and a chassis of a motor vehicle for the purpose of damping the shock loading during a collision between this motor vehicle and an obstacle through hydraulic damping forces and gas-spring forces. Th...
12/02/2003
6648310Shock absorber
Shock absorber, having a cylinder in which a piston rod is arranged as a displacer and which has a piston which subdivides a working space filled with damping medium into two working chambers. Arranged concentrically with this cylinder is an outer tube wh...
11/18/2003
6637555Pneumatic connections for vehicle suspensions
The invention provides a damper assembly (10) comprising a housing (12) defining an inner chamber (22, 24) having a damping fluid disposed therein. A piston rod (14) is slidably retained by the housing (12), and at least partially extends into, the chambe...
10/28/2003
6491144Piston assembly for a disc brake
A piston assembly is provided for a disc brake assembly to reduce the heat transferred to the hydraulic fluid of the disc brake assembly during braking. The piston assembly preferably includes a piston and a heat insulator designed to be movably coupled t...
12/10/2002
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