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Class 188/314 - With reservoir for fluid


Subclass of Class 188 - Brakes
Definition: Device provided with an enclosed space additional to said
No. of patents: 191
Last issue date: 04/10/2012


1          
NumberTitleIssue Date
8151953Suspension and damping device for motor vehicles
The invention relates to a suspension and damping device (1) for load bearing and sprung wheel support and for damping suspension movements in a motor vehicle, having at least one spring cylinder (2) having a piston (6) which is guided in a cyli...
04/10/2012
8118144Hydraulic dampers with pressure regulated control valve
A suspension damper includes a housing bounding a main chamber. A hydraulic fluid is disposed within the main chamber. A piston rod is selectively movable between an advanced position wherein a portion of the piston rod is advanced into the main chamber and a retrac...
02/21/2012
8037982Hydraulic shock absorber for vehicle
A shock absorber has a spring positioned within a chamber. The spring provides a spring force on a piston that offsets a hydraulic force such that the forces on the piston are generally balanced when a vehicle is at rest. ...
10/18/2011
7926633Compact shock absorber for an aircraft undercarriage, and an undercarriage including such a shock absorber
The invention relates to a shock absorber for an aircraft undercarriage, the shock absorber comprising a main cylinder in which a rod is mounted to slide telescopically, the shock absorber having one or more pneumatic chambers filled with gas, a supply of hydraulic ...
04/19/2011
7913823Hydraulic shock absorber
In a front fork in which a partition wall member is provided in an inner periphery of an inner tube, a working fluid chamber is comparted under the partition wall member and an oil reservoir chamber is comparted over the partition wall member, a main suspension spri...
03/29/2011
7441638Front fork
A front fork, which is interposed between a vehicle body and an axle to restrain a change in vehicle attitude, comprises a fork body (101) including a reservoir chamber (106) partially filled with gas and performing an expansion and contraction operati...
10/28/2008
7413064Front fork
One of a pair of the hydraulic shock absorbers each mounted in the right and left sides of a front wheel for a two-wheel vehicle includes a contraction-side damping valve (5a) disposed in a flow passage (11) communicating a rod-side oil chamber ...
08/19/2008
7377372Telescopic fork leg
A telescopic fork leg with damping system comprising piston and piston rod arrangements. The arrangements perform longitudinal shift motions in a medium-containing chamber. The chamber is situated in a tubular part belonging to the damping system. The piston rod arr...
05/27/2008
7331591Transportation protection for cable ends on shock absorber struts
A transportation protection for cable ends on shock absorber struts of motor vehicles, wherein the cable end exits from a hollow piston rod. In order to create protection which protects the cable end from damage during transportation, it is proposed that a cover pla...
02/19/2008
7328562Stirrup with gas-filled shock absorber
A stirrup (210,310) includes a footrest (214,314) as well as a hanger (216,316) for suspending the stirrup from a saddle. A shock absorber (350) is provided for the footrest (314) and has passages (364) which allow the shock...
02/12/2008
7316409Front fork of bicycle with buffer apparatus
A front fork of a bicycle, which has damping function, has a lower fork having a closed bottom. An upper fork tube is inserted into the lower fork for reciprocation relative to the lower fork, which has a nozzle at a top thereof. Oil is received in a space between t...
01/08/2008
7314124Vibration damping apparatus
A damping apparatus for damping vibrations in a vibrating system including a piston which is reciprocally movable in a hydraulic fluid filled damper chamber, piston movement in either direction of movement being resisted by fluid pressure in the damper chamber behin...
01/01/2008
7308976Hydraulic dampers with pressure regulated control valve
A suspension damper includes a housing bounding a main chamber. A hydraulic fluid is disposed within the main chamber. A piston rod is selectively movable between an advanced position wherein a portion of the piston rod is advanced into the main chamber and a retrac...
12/18/2007
7309063Gas-filled spring for a vehicle, such as a motor cycle, and valve for such a gas-filled spring
A gas-filled spring (1) operates using gas (13, 14) and may be intended for a motor cycle. The gas-filled spring comprises a cylinder (2) and a piston (4), said cylinder comprising a compression chamber and a return chamber (8, 9)....
12/18/2007
7278252Nonslip article for a stirrup
A stirrup includes a footrest as well as a hanger for suspending the stirrup from a saddle. A shock absorber is provided for the footrest and has protrusions which impart a nonslip character to the shock absorber. The protrusions have respective ends which face away...
10/09/2007
7261194Bicycle suspension assembly with isolated inertia mass
A bicycle suspension assembly including a damper body and having a valve, including a moveable inertia mass, movable between first and second positions to selectively alter the compression damping rate of the bicycle suspension assembly is described. The valve and e...
08/28/2007
7260971Apparatus for locking a sheet of metal suitable to be shaped in a press
An apparatus for locking a sheet of metal to be shaped in a press, comprising at least one fluid-operated actuator for translational motion of a first sheet presser, adapted to support, in an initial operation step a sheet of metal to be shaped, arranged above a fir...
08/28/2007
7234576Damper, in particular for motor vehicle
A damper, in particular for motor vehicle, includes a cylinder containing a hydraulic fluid, a main piston (1) actuated by a rod (3) defining in the cylinder a first chamber (2a) and a second chamber (2), the second chamber contain...
06/26/2007
7221736Expansion device for fluid coolant/insulation in a x-ray apparatus
In an expansion device for an x-ray apparatus, in particular with a rotary piston x-ray tube with a sealed coolant and/or insulation volume under a minimum pressure and pressing with this minimum pressure against an elastic pressure element, an elastic pressure elem...
05/22/2007
7191877Fluid flow regulation of a vehicle shock absorber/damper
Shock absorber components, such as a radial bypass damper, an anti-cavitation valve (ACV) and an incremental flow metering valve IFMV. The damper is of a continuous, unitary construction with a main hole and auxiliary holes interconnected by passageways. The ACV has...
03/20/2007
7156214Vibration damper with amplitude-selective damping force
Vibration damper includes a cylinder filled with a damping medium in which a piston rod with a piston is guided in an axially movable manner, wherein the piston divides the cylinder into a work space on the piston rod side and a work space remote of the piston rod. ...
01/02/2007
7124865Pressure regulating dampers
A damper includes housing bounding a chamber. A barrier is movably disposed within the chamber so as to divide at least a portion of the chamber into a pressure compartment and a control compartment each having a volume, the volume of the pressure compartment and th...
10/24/2006
7114315Nonslip article for a stirrup
A stirrup includes a footrest as well as a hanger for suspending the stirrup from a saddle. A shock absorber is provided for the footrest and has protrusions which impart a nonslip character to the shock absorber. The protrusions have respective ends which face away...
10/03/2006
7073642Gas spring
A gas spring comprises a cylindrical casing, in which a piston rod is guided for displacement concentric of a central longitudinal axis. A damping piston is mounted on the piston rod, dividing the interior of the casing into two sectional casing chambers. A filling ...
07/11/2006
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
7065943Stirrup with footrest having a gas filled shock absorber
A stirrup includes an elongated footrest as well as a hanger for suspending the stirrup from a saddle. The footrest and the hanger can pivot relative to one another on an axis parallel to the longitudinal axis of the footrest. A shock absorber is provided for the fo...
06/27/2006
7055319Piston and cylinder assembly with volume compensating system
A piston and cylinder assembly having a cylinder with a piston and a connected piston rod. The piston defines opposed chambers wherein a compensating device is disposed in at least one of the chambers. The compensating device includes a capsule of an elastic materia...
06/06/2006
7017719Vibration damper with adjustable damping force
A piston is guided with freedom of axial movement in a damping medium-filled pressure tube, the piston dividing the pressure tube into a working space on the piston rod side of the piston and a working space on the side away from the piston rod. The medium can flow ...
03/28/2006
6978872Hydraulic dampers with pressure regulated control valve
A suspension damper includes a housing bounding a main chamber. A piston rod is slideably disposed within the main chamber of the housing. A main piston is mounted on the first end of the piston rod within the main chamber of the housing so as to slideably engage ag...
12/27/2005
6953108Magnetorheological damper system
A magnetorheological damper system comprising a reservoir in communication with a damper. The damper comprises a damper cylinder defining a damper chamber, wherein the damper chamber contains a magnetorheological fluid and a movable damper piston. The damper piston ...
10/11/2005
6918472Arrangement for a piston and cylinder device
The hydraulic cylinder or shock absorber arrangement has a cylinder unit limiting an inner space in which a medium in the form of a gas or a liquid is intended to be placed. A forwardly and backwardly movable piston unit is placed such that it can slide within the s...
07/19/2005
6892865Monotube shock absorber remote reservoir fluid connection
A damper assembly includes a reservoir chamber for supplying hydraulic fluid to a main damper chamber. The reservoir chamber is in fluid communication with damper chamber through an internal fluid passage formed by openings in the damper housing and the reservoir ho...
05/17/2005
6880684Flow regulator for a gas shock absorber
A flow regulator for a gas shock absorber is connected between the primary cylinder and the secondary cylinder. The flow regulator allows a user to adjust the rate of flow of fluid from the primary cylinder to the secondary cylinder thereby varying the damping prope...
04/19/2005
6863163Self leveling vehicle suspension damper
A suspension damper comprises a cylinder tube and a control partition. The cylinder tube is disposed within a reservoir tube to define a fluid reservoir, and has at least one first hole. The control partition is disposed in the fluid reservoir, and communicates with...
03/08/2005
6837343Shock absorber
A shock absorber comprises first and second axially aligned cylinders (11, 21) each having a liquid filled piston chamber (12, 22), an axially displaceable piston (13, 23) received in the piston chamber (12,22), and means (14, 24) ...
01/04/2005
6814348Traction/compression buffer for coupling devices on rail and wheel-mounted vehicles
A traction/compression buffer for coupling devices on rail and wheel-mounted vehicles comprises a housing (1) and a piston element (3), which projects out of said housing on one side and which can be moved out of a zero position in two directions again...
11/09/2004
6793048Solenoid actuated continuously variable shock absorber
A shock absorber includes a pressure tube with a piston slidably disposed therein. A separate valve includes a fluid circuit for fluid low in rebound and a fluid circuit for fluid flow in compression. Each fluid circuit includes a variable orifice which allows selec...
09/21/2004
6749046Combined spring and shock absorber system including a hydraulic accumulator
In a combined spring and shock absorber system for a wheel suspension of a vehicle comprising tubular rolling bellows arranged between a wheel-support structure and a vehicle body the bellows includes a space filled with a fluid in communication with a hydraulic acc...
06/15/2004
6676076Two stage shock strut
A shock strut for supporting and dampening a load with a two-phase dampening characteristic. The shock strut includes an inner cylinder slidably mounted within an outer cylinder, each of the cylinders having slidably mounted therein a piston. A first one ...
01/13/2004
6669179Impact damper
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, predominantly through gas-spring forces and deformation work...
12/30/2003
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