| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 267640110 | Comprising compressible fluid | 87 |
| 20100127437 | Tolerance Eliminating Assembly Retainer - A jounce bumper assembly is provided including a retainer to secure a dust shield and a jounce bumper to a top mount. The retainer has a base portion adapted to engage an end of the jounce bumper. The retainer further includes a retainer clip adapted to retain mating surfaces of the dust shield and top mount in tension thereby eliminating or reducing noise and loose assembly due to tolerance stack-up of the jounce bumper assembly. | 05-27-2010 |
| 20090200716 | FLUID PRESSURE APPARATUS FOR A BICYCLE - A fluid pressure apparatus for a bicycle comprises a piston, a housing with a chamber dimensioned to receive the piston therein so that the piston can move axially, and first and second fluid ports in fluid communication with the chamber. The first and second fluid ports are located so that the piston is disposed between the first and second fluid ports when the piston is disposed in a piston home position. A first positioning element moves from a first home position towards a first direction, and a first biasing element biases the first positioning element towards the first home position. A first coupling element couples the first positioning element to move with the piston in the first direction, but the first positioning element and the piston move relative to each other when the piston moves in an opposite second direction. | 08-13-2009 |
| 20100320655 | Shock absorber - A shock absorber that absorbs a vibration using a working fluid charged into a first chamber and a second chamber comprises a tube body, an inserted body, a tip end of which is inserted into the tube body from an end portion of the tube body, and a partition wall portion that is provided on the tip end of the inserted body to be capable of sliding within the tube body and partitions an interior of the tube body into the first chamber and the second chamber. The shock absorber comprises a connecting portion that is provided within a partition wall portion sliding region of the tube body and connects the first chamber and the second chamber when the partition wall portion passes thereby. | 12-23-2010 |
| 20100252969 | GUIDED VRHICLE - In a guided vehicle of air spring suspension for running along exclusive guideways, decreasing of center distance of the left and right air spring to mount air springs of increased dimension and increased load carrying capacity, which decreasing of the center distance induces decrease in rolling stiffness of the vehicle resulting in deteriorated ride quality and also induces difficulty in adjusting vehicle height resulting in spending long time in height adjusting operation, will not be required even when load carrying capacity of air springs is required to be increased in order to comply with increased vehicle load. A plurality of air spring elements are mounted tandem along the longitudinal direction of the vehicle with the air spring elements connected with each other so that air pressure thereof is always equal. | 10-07-2010 |
| 20090140474 | INTEGRATED CROSSOVER VALVE - An air suspension includes a crossover valve in fluid communication with a manifold, a first set of springs in fluid communication with the manifold through a first set of valves, and a second set of springs in fluid communication with the manifold through a second set of valves. The crossover valve is movable between an open position to allow fluid communication to each of the first and the second sets of springs and a closed position that separates the first set of springs from the second set of springs. | 06-04-2009 |
| 20100207308 | GAS SPRING ASSEMBLY AND METHOD - A gas spring assembly includes a first end member and a second end member. A flexible wall is secured between the first and second end members and at least partially defines a spring chamber therebetween. A fitting is supported on the first end member and is rotatable between a first position in which the fitting can be axially displaced and a second position in which the fitting is axially restrained. A method is also included. | 08-19-2010 |
| 20080265475 | AIR SPRING PROTECTOR - An air spring for a vehicle suspension includes a resilient spring body that is partially surrounded by a protective cover. The protective cover protects the resilient spring body from rupturing when used in harsh vehicle conditions. The protective cover is comprised of a rigid or flexible armor material that is resistive to munitions, such as projectiles and razor wire, for example. | 10-30-2008 |
| 267640120 | Having lockable strut | 3 |
| 20090236781 | Lockable Piston-Cylinder Unit - A lockable piston-cylinder unit includes a cylinder having at least one axially facing counterstop; a piston dividing the cylinder into a first working chamber and a second working chamber; a piston rod extending through the first working chamber to a free end outside the cylinder; and a fastening tube having a first end in which the free end of the piston rod is fixed, a second end which receives the cylinder coaxially, and at least one axially facing supporting stop. When the piston rod is extended to maximum extension, the fastening tube is rotatable relative to the cylinder from a release position, wherein the supporting stop is offset from a respective counterstop, to a locking position, wherein the supporting stop faces the counterstop so that the fastening tube cannot move axially relative to the cylinder. | 09-24-2009 |
| 20090065988 | MULTIPLE STOP GAS COMPRESSION SPRING - A gas compression spring is mounted with an exterior element configured to allow a user to adjust the extension of the spring by rotating or sliding the exterior element. The user can line up an internal mechanism which is configured to limit the extension of the gas spring, and therefore stop the extension of the gas spring at a predetermined height. Additionally, an override mechanism is included where a user requires full extension of the gas spring. For example, the user can override the internal mechanism by applying a force in the direction of the extension, which disengages the mechanism allowing full extension. When the spring is compressed again, the mechanism resets and opens to the predetermined height. The gas spring can be utilized in a vehicle liftgate system, allowing the liftgate to open at one or more heights based upon the internal mechanism settings of the gas spring. | 03-12-2009 |
| 20120126468 | UNIVERSAL WEAKENED STRUT SUPPORT - An improved adjustable lift strut support adapted for permanent attachment to a shock tube of a vehicle's failed lift strut. It is capable of quick safe attachment to a plethora of different diameter struts. It wont damage the shock tube assembly if it is left connected to the shock tube, nor will it damage the vehicles hood or liftback when they are closed with the support connected to the shock tube. | 05-24-2012 |
| 267640130 | Including compressible liquid | 5 |
| 20080277845 | MOTOR FOR HYDRAULIC SHOCK ABSORBER - A motor used in a hydraulic shock absorber which absorbs the vibrations generated by an engine of a vehicle includes a rotor portion, a stator portion, and a bearing mechanism. The bearing mechanism includes a sleeve, a sleeve holder, and a chip member. The sleeve holder includes a single component having a cylindrical portion which covers an outer circumferential surface of the sleeve, and a bottom portion which covers a lower portion of the cylindrical portion. | 11-13-2008 |
| 20090008844 | Variable Resistance Strut Assemblies and Articles Containing the Same - Disclosed herein is a strut assembly | 01-08-2009 |
| 20090283942 | VIBRATION TRANSMISSION DAMPING APPARATUS - A vibration transmission damping apparatus ( | 11-19-2009 |
| 20090001636 | SHOCK ABSORBER - A cylinder chamber filled with a liquid, a piston disposed inside the cylinder chamber, a piston rod connected to the piston, and an accumulator allowing the piston rod to generate a damping force by receiving the liquid from a compression side of the cylinder chamber are included, and on an internal periphery of the cylinder chamber, one line of a helical damping groove is formed within a stroke range of the piston, a groove width of the damping groove is constant over the entire length of the damping groove, a depth of the damping groove gradually decreases along a spiral toward the direction in which the piston rod is pushed in, and a length of the piston in a direction along the axis line is smaller than a pitch of the damping groove. | 01-01-2009 |
| 20090072453 | GAS SPRING WITH GUIDE - In at least one embodiment, a gas spring includes a casing having an inner surface defining in part a gas chamber, a piston rod and a seal. The piston rod is received at least partially in the casing for reciprocation along an axis between extended and retracted positions. The piston rod has an internal cavity defining a hollow space, a stop and a rod guide disposed adjacent to the inner surface of the casing to guide the reciprocation of the piston rod at least in part. The seal generally is provided between the piston rod and the casing to prevent gas leakage from the gas chamber. | 03-19-2009 |
| 267640150 | With retarder | 45 |
| 20090051086 | Suspension Damping Valve - A valve for a suspension damping system having a valve body and a shim valve assembly that permits fluid flow in two directions. The valve body separates a first fluid chamber from a second fluid chamber and has at least one fluid port therethrough between the first and second chambers. The shim valve assembly is coupled to the valve body and configured to control fluid flow across the valve body. The shim valve assembly includes a first shim having at least one fluid port and a second shim configured to seal the first shim fluid port. The first and second shims are flexible in a first direction under fluid pressure to permit fluid flow between the first and second fluid chambers, providing a first resistance to fluid flow. The second shim seals fluid flow through the first shim fluid port during flow in the first direction. The second shim is flexible in a second direction under fluid pressure to permit fluid flow between first and second fluid chambers, providing a second resistance to fluid flow. The second shim permits fluid flow through the first shim fluid port during flow in the second direction. | 02-26-2009 |
| 20120217686 | COMPRESSION SENSITIVE SUSPENSION DAMPENING - A spring for a suspension is described. The spring includes: a spring chamber divided into at least a primary portion and a secondary portion, and a fluid flow path coupled with and between the primary portion and the secondary portion. The fluid flow path includes a bypass mechanism, wherein the bypass mechanism is configured for automatically providing resistance within the fluid flow path in response to a compressed condition of the suspension. | 08-30-2012 |
| 20090008845 | Pneumatic actuator for vibration damping device and vibration damping device using the same - A pneumatic actuator for use in a vibration damping device comprising: a base housing; an elastic wall member being fastened fluid-tightly to the base housing to form a working air chamber therebetween; and an urging member positioned within the working air chamber for exerting urging force on an output portion provided to the elastic wall member, such that the output portion is actuated to undergo displacement in opposition to the urging member through change in an air pressure in the working air chamber from an outside. At least one of opposing faces of the base housing and the elastic wall member on the working air chamber side thereof has a plurality of rib portions which extend from an inner circumferential side thereof towards an outer circumferential side thereof. A vibration damping device equipped with the pneumatic actuator is also disclosed. | 01-08-2009 |
| 20110204549 | GAS SPRING CURVE CONTROL IN AN ADJUSTABLE VOLUME GAS PRESSURIZED DEVICE - A gas spring curve control valve for a adjustable-volume gas-pressurized device is described. The valve allows for selection from among at least four spring curves and can be packaged in small spaces/devices. In an exemplary embodiment of the invention, a rotary cam having grooves and lobes that interact with spring loaded ball bearings and an external adjuster knob are used to easily change the gas spring curve “on-the-fly” and with minimal user effort. | 08-25-2011 |
| 20110101578 | AIR SUSPENSION - Disclosed is an improved air suspension that prevents damage and/or failure of a component of an air spring, such as an air sleeve. The air suspension includes a damper including a cylinder and a piston rod slidably disposed in the cylinder, an air spring hermetically connected to an outside of the cylinder, an upper mount which secures the damper and the air spring to a vehicle frame, and a rotational sealing part disposed between the air piston and the cylinder and allowing relative rotation of the air spring and the cylinder while maintaining air-tightness between the air piston and the cylinder. The air suspension may prevent damage and/or failure of components of an air spring, such as an air sleeve, by undesired force or moment such as torsional rotational force applied to the air spring in the course of driving the vehicle. | 05-05-2011 |
| 20100308516 | APPARATUS AND METHODS FOR A VEHICLE SHOCK ABSORBER - A method and apparatus for a vehicle shock absorber comprising a main damper cylinder, a first reservoir and a second reservoir. One embodiment includes a first operational mode where both reservoirs are in fluid communication with the cylinder. In a second operational mode, only one reservoir communicates with the cylinder during fluid evacuation from the cylinder. In each mode, rebound from either or both reservoirs may travel through a single, user-adjustable metering device. | 12-09-2010 |
| 20100244340 | METHODS AND APPARATUS FOR COMBINED VARIABLE DAMPING AND VARIABLE SPRING RATE SUSPENSION - Pressure-sensitive vales are incorporated within a dampening system to permit user-adjustable tuning of a shock absorber. In one embodiment, a pressure-sensitive valve includes an isolated gas chamber having a pressure therein that is settable by a user. | 09-30-2010 |
| 20100320656 | SPRING SYSTEM, IN PARTICULAR FOR BICYCLES - A spring system in particular for bicycles includes a gas suspension spring with adjustable progression and a housing element for movably receiving the suspension piston of the gas suspension spring. The gas suspension spring has a spring volume including a first spring chamber and at least a second spring chamber separated from one another by a partitioning member. The first spring chamber is arranged within the housing element and the second spring chamber extends internal of the housing portion consecutive to the housing element. | 12-23-2010 |
| 20090140475 | Hydraulic 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 retracted position wherein the portion of the piston rod is retracted from the main chamber, wherein as the piston rod is moved a fluid pressure of the hydraulic fluid within the main chamber progressively increases and a portion of the hydraulic fluid passes through a passage within the housing. A control valve is at least partially disposed within the main chamber, the control valve being moved by the fluid pressure of the hydraulic fluid so as to progressively restrict the flow of the hydraulic fluid through the passage as the fluid pressure of the hydraulic fluid within the main chamber progressively increases. | 06-04-2009 |
| 267640160 | Leveling device | 10 |
| 20100065993 | SUSPENSION DEVICE - A suspension device (A) comprising a damper (S) and a gas spring (C), the damper (S) comprising a motion transforming mechanism (H) for transforming a relative motion between a vehicle body-side member and an axle-side member into a rotational motion and a motor (M) having a rotor ( | 03-18-2010 |
| 267640170 | Self-pumping | 3 |
| 20080265476 | Self-pumping hydropneumatic spring strut with internal level control - Self-pumping hydropneumatic spring strut includes a working cylinder divided into first and second working spaces by a working piston carried on a hollow piston rod; a high pressure chamber and a low pressure chamber partially filled with hydraulic damping medium, the high pressure chamber having a gas cushion and being connected to the second working space; and a piston pump including a pump rod extending into the hollow piston rod, the pump rod having a bore connected to the low pressure chamber, an end provided with a suction valve inside the hollow piston rod, and a deregulating opening, which is closable as a function of position of the working piston in the working cylinder. An adjustable damping valve located outside the external tube has a first flow connection connected to the first working space, and a second flow connection connected to the second working space and the high pressure chamber. | 10-30-2008 |
| 20100065994 | Self-Pumping Ride Level Control System - Self-pumping spring and damper unit ( | 03-18-2010 |
| 20080203631 | METHODS AND APPARATUS FOR PROTECTING A SHOCK ABSORBER FROM BOTTOMING - Methods and apparatus for accommodating vehicle suspensions that may bottom out. Some embodiments of the present invention include the secondary shock absorber placed within a primary shock absorber. Yet clear embodiments describe a shock absorber having multiple fluid flowpaths during compression, with one of the flowpaths being active near the bottoming-out condition. | 08-28-2008 |
| 267640190 | Having flexible wall | 6 |
| 20090020928 | DISTANCE INDICATING SYSTEM AND METHOD - A distance indicating system includes a transceiver broadcasting an electromagnetic wave and a transponder spaced a distance from the transceiver that receives the electromagnetic wave. The transponder is adapted to induce a modulation of the electromagnetic wave in relation to the distance between the transceiver and the transponder. A method is also disclosed. | 01-22-2009 |
| 267640210 | Including rolling lobe between telescoping members | 5 |
| 20090160110 | Plunger piston made from plastic for an air spring - A plunger piston for an air spring. The air spring being active between a component which is to be cushioned by springs, in particular the vehicle frame, and a sprung component, in particular the axle carrier of a motor vehicle. The plunger piston is configured as a hollow piston which is connected to the sprung component at the lower plunger-piston end and to a pneumatic-spring bellows which can be loaded with compressed air at an upper plunger-piston head. The pneumatic-spring bellows is connected on the other side to the component which is cushioned by springs, and rolls on the outside of the plunger-piston skirt during suspension movements. The lower plunger-piston end has an open configuration and has a reinforcing element which encircles the edge region of the opening. | 06-25-2009 |
| 20100001444 | AIR SPRING FOR A VEHICLE - An air spring for a vehicle comprises an air bellows that includes an axle-side region and a superstructure-side region movable with respect to one other between a first, adjacent position and a second, spaced-apart position, and a plunger which is arranged on the axle-side region of the air bellows. The air spring further comprising a fastening section adapted to fasten the superstructure-side region of the air bellows to a support element of the vehicle, and a displacement element which is arranged on the fastening section of the air bellows, wherein the displacement element fills at least a substantial portion of the space between the plunger and the fastening section in the first position of the air bellows. | 01-07-2010 |
| 20090212472 | STRUT ASSEMBLY WITH AIR SPRING - A strut assembly includes a damper having a housing and a rod moveable relative to the housing along a longitudinal axis. The strut assembly includes a flexible membrane configured to receive a pressurized gas to form an air spring. A coil spring defines an inner diameter with the housing disposed within the inner diameter to permit relative movement between the coil spring and the housing. The coil spring is at least partially disposed outside the flexible membrane relative to the longitudinal axis. | 08-27-2009 |
| 20090179359 | AIR SPRING ASSEMBLY WITH NON-THREADED CONNECTION - A connector fitting and air spring assembly includes a connector fitting supported on an end member of an air spring. The connector fitting is secured on the air spring by a retaining member engaging the end member of the air spring. | 07-16-2009 |
| 20100252970 | GAS SPRING ASSEMBLY AND SUSPENSION SYSTEM INCLUDING SAME - A gas spring assembly includes a first end member and a second end member spaced from the first end member. A flexible wall extends between the first end member and the second end member such that a spring chamber is at least partially defined therebetween. A biasing assembly is operative to urge an end of the flexible wall into abutting engagement with the second end member and operative to permit the end of the flexible wall to be separated a distance from the second end member while in the assembled condition. A gas suspension system is also included. | 10-07-2010 |
| 267640220 | Having metering pin for varying spring rate | 1 |
| 20090212473 | Hydraulic Suspension System - A hydraulic suspension system includes a suspension base ( | 08-27-2009 |
| 267640230 | Having flexible wall | 11 |
| 20110278775 | RESIDUAL PRESSURE HOLDING VALVE AND SUSPENSION STRUT - A residual pressure holding valve ( | 11-17-2011 |
| 20080211149 | Air Spring and Shock Absorber Unit with Operator Control Element - An air spring and shock absorber unit for bicycles or motorbikes includes operator control elements which are accessible from the outside and are disposed on an outer surface of the air spring and shock absorber unit. The operator control elements are disposed so as to be rotatable about a common axis and relative to a position of articulation points. | 09-04-2008 |
| 20110115139 | GAS SPRING AND GAS DAMPER ASSEMBLY AND METHOD - A gas spring and gas clamper assembly includes a first end member, a second end member, a first flexible wall that at least partially defines a first spring chamber, and a second flexible wall that at least partially defines a second spring chamber. A damper piston and damper rod are operatively connected between the first and second end members and within the first spring chamber. A suspension system that includes a gas spring and gas damper assembly as well as a method of assembly are also included. | 05-19-2011 |
| 20110115140 | GAS SPRING AND GAS DAMPER ASSEMBLY AND METHOD - A gas spring and gas damper assembly includes a first end member, a second end member and a flexible wall that at least partially defines a first spring chamber therebetween. A damping chamber wall at least partially defines a damping chamber. A damper piston is received within the damping chamber and is operatively connected between the first and second end members and within the first spring chamber. A suspension system that includes a gas spring and gas damper assembly as well as a method of assembly are also included. | 05-19-2011 |
| 267640240 | Including rolling lobe between telescoping members | 7 |
| 20080203632 | Pneumatic spring - A pneumatic spring has a pneumatic spring bellows ( | 08-28-2008 |
| 20110140323 | AIR SUSPENSION - Disclosed is an improved air suspension that prevents damage and/or failure of a component of an air spring, such as an air sleeve, by unwanted force or moment, such as rotational torque, applied to the air spring during vehicle traveling. The air suspension includes a damper including a cylinder and a piston rod, an air spring to which a canister and an air piston are hermetically connected via an air sleeve, an upper mount which secures the piston rod and the canister to a vehicle frame, a first bearing disposed at a connecting portion between the upper mount and the piston rod, and a second bearing disposed at a connecting portion between the air piston and the cylinder. Each of the first and second bearings is a thrust bearing. | 06-16-2011 |
| 20110266727 | DOUBLE PATH MOUNT FOR CAB SUSPENSION WITH TILTING FUNCTION - A cab mounting assembly attaches a cab to a chassis of a vehicle at the point of rotation of the cab when the cab is tilted. The cab mounting assembly provides two paths for the forces acting between the cab and the chassis. The static forces are supported by a bearing assembly which includes a relatively hard elastomeric member. The dynamic forces are supported by an elastomeric mount which includes a relatively soft elastomeric member. The elastomeric mount is attached to the bearing assembly and to a shock absorber. The bearing assembly is attached to the elastomeric mount and to an air spring assembly. | 11-03-2011 |
| 20090206530 | Motorcycle Air Suspension System And Method - Air suspension systems, devices, apparatus, and methods for allowing motorcycle drivers to increase and decrease compressed air supplies in air suspension devices. Deflating interior air springs/airbags (bladders) inside the devices allows for springs and pistons on shock absorbers in the devices to expand outward separating lower front and rear frame portions which effectively lowers the motorcycle to the ground surface and for the driver to have a firmer ride. Inflating the air springs/airbags (bladders) allows for the springs and the pistons on the shock absorbers in the devices to retract into the devices so that the devices have a more shock absorbing effect giving the rider a smoother ride, which also raises the motorcycles above the ground surface. | 08-20-2009 |
| 20090200717 | AIR SPRING PISTON - An air spring piston includes an outer wall having a first end and a second end that defines an inner cavity having a centerline. The piston further includes at least one mounting boss for providing off-set mounting of the piston to a support. The at least one mounting boss has a geometric center that is spaced from the centerline of the inner cavity. Additionally, substantially the entire piston may be formed from a plastic. The piston may further include a support structure having at least one strut that does not intersect the centerline of the inner cavity. | 08-13-2009 |
| 20120061887 | AIR SPRING FOR A HEAVY-DUTY VEHICLE WITH DAMPING FEATURES - An air spring for a heavy-duty vehicle axle/suspension system includes a bellows chamber operatively connected to a piston chamber. An opening is disposed between the bellows chamber and the piston chamber in order to allow fluid to communicate between the bellows chamber and the piston chamber. The cross-sectional area of the opening and the volumes of the bellows chamber and the piston chamber are tuned in order to optimize the damping characteristics of the air spring. | 03-15-2012 |
| 20120248666 | GAS SPRING AND DAMPER ASSEMBLY AND SUSPENSION SYSTEM INCLUDING SAME - A gas spring and damper assembly includes a damper assembly and a gas spring assembly that are operatively connected to one another. The damper assembly includes a damper housing and a damper rod assembly. The gas spring assembly includes a first end member, a second end member and a flexible wall secured between the first and second end members to at least partially define a spring chamber. The assembly is displaceable between a collapsed condition and an extended condition. During use under load, the assembly can undergo displacement from the extended condition toward the collapsed condition upon transferring pressurized gas into the spring chamber, and can undergo displacement from the collapsed condition toward the extended condition upon transferring pressurized gas out of the spring chamber. A suspension system is also included. | 10-04-2012 |
| 267640250 | Having plural compressible fluid springs | 7 |
| 20100109212 | GAS SUSPENSION MEMBER AND METHOD - A gas suspension member includes a first section and a second section. The first section includes an end wall and a side wall that at least partially form an inner chamber. An opening is formed through the end wall. A connector fitting is embedded within a cover wall that extends across the opening. The end wall has a first flexural stiffness and the cover wall has a second flexural stiffness that is greater than the first flexural stiffness of the end wall. A gas suspension assembly includes a first spring device used in combination with the gas suspension member. A method of forming a gas suspension member is also disclosed. | 05-06-2010 |
| 20110278776 | DAMPER FOR A BICYCLE - A pull shock damper for a bicycle comprising a spring device and a damper device, the spring device comprising a positive spring and a gas-operated negative chamber. The damper device comprises a first oil chamber and a second oil chamber connected therewith. The negative chamber abuts the first oil chamber via a piston. A tubular structure extends from the piston through the negative chamber interior up to the end of the negative chamber. The piston rod of the piston extends through the first oil chamber to the exterior. | 11-17-2011 |
| 20090283943 | Combination oil/gas-operated spring with expansion vessel - Combination oil/gas spring comprising a first hollow casing, a piston capable of fluid-tightly sliding within said casing, a rod connected rigidly with an end portion thereof to a central portion of said piston, a first chamber containing an actuating rod provided inside said casing, a second sealed chamber provided within the same casing on the opposite side of the piston, a mass of hydraulic fluid filling said second sealed chamber, a second hollow casing and a respective second piston provided to slide therewithin, a first conduit connecting the interior of said second sealed chamber with the interior of said second hollow casing, a first valve connected to said first conduit and adapted to selectively open and close it, a second conduit being provided to connect an expansion vessel to the first conduit at a position upstream of the first valve, and a second valve being provided on the second conduit. There are provided pressure-exerting means adapted to act by exerting a controllable pressure upon the surface of the liquid in the expansion vessel. | 11-19-2009 |
| 20080258362 | TRAILER MOUNTED CRASH ATTENUATION SYSTEM - A trailer crash attenuation assembly includes a longitudinal hollow member adapted to act as a hydraulic cylinder at one end, hydraulic fluid disposed in the hydraulic cylinder and a tank connected to the hydraulic cylinder to receive and store said hydraulic fluid expressed from the hydraulic cylinder. A first longitudinal telescopic member is adapted to slide into and out of the longitudinal hollow member and is adapted to act a piston. Two other longitudinal hollow members are positioned substantially parallel to and on either side of the first longitudinal hollow member and are connected to the first longitudinal hollow member. Two telescopic members are adapted to slide into and out of the two other longitudinal hollow members respectively. A casing is connected at its proximal end to all three longitudinal hollow members, is adapted at its distal end to receive a crash cushion; and has a pair of wheels. | 10-23-2008 |
| 20110248434 | TRAVEL CONTROL FOR A GAS SPRING AND GAS SPRING HAVING VERY SHORT TRAVEL MODES - A gas spring capable of having long and short travel modes is described. The gas spring uses liquid in combination with pressurized air to affect the travel length. Unlike conventional gas springs, the gas spring according to the invention may have its travel reduced more than, for example, by 50%. | 10-13-2011 |
| 20120205843 | SPRINGLESS COMBINATION SHOCK ABSORBER AND SUSPENSION APPARATUS, AND METHOD OF USE - A springless combination shock absorber and suspension apparatus comprising three tubes: An outer tube, a piston tube (inner tube) and a stationary (damping) tube, with a floating piston disposed in the inner piston tube, wherein the floating piston forms two chambers therein, a lower liquid chamber and an upper gas chamber. Fluid dampens shocks by passing through a two-way valve in the outer tube and may be controlled internally by a shim plate positioned over apertures or valve passageways, or, in a separate embodiment, by external adjustment of flow by rotating adjusting plates to open and close the valve passageways. The amount by which the gas chamber is reduced in compression is large enough to generate the high pressures required to produce spring-like forces. This design allows the gas pressure chamber to operate effectively as a spring. | 08-16-2012 |
| 20080296814 | GAS SPRING WITH TRAVEL CONTROL - In one embodiment, a gas spring having a travel control includes positive and negative chambers and a valve mechanism that controls the fluid communication between the chambers. The valve mechanism includes a valve bore that while only moving a small amount, allows for large changes in gas spring travel length. | 12-04-2008 |
| 267640260 | Having telescoping cylinders | 7 |
| 20090206531 | Driving Device - A driving device for pivoting a flap with respect to a body includes a cylindrical pressure tube having a closed first end and a second end with a seal, a piston dividing the pressure tube into a first working chamber and a second working chamber, a piston rod extending through the first working chamber and the seal, a gas under pressure in the first and second working chambers, and a sealing and guiding cap fixed to the second end of the pressure tube. An outer tube has a closed first end and an open second end which receives the pressure tube in a telescoping manner, thereby forming a third working chamber between the second end of the pressure tube and the first end of the outer tube, wherein a fluid can be conveyed into and out of the third working chamber. | 08-20-2009 |
| 20130032979 | DAMPING STRUT FOR A BICYCLE - A damping strut for a bicycle has a hydraulic shock absorber having a damper volume filled with incompressible damping fluid, a pressure application device that detects the current displacement state of the damping strut, and at least one disk valve. When the damping strut is displaced, the damper volume changes so that the damping fluid flows, creating a damping force which counteracts the displacement, through the disk valve. A control piston is coupled to the disk valve in order to vary the degree of opening of the disk valve. Control piston pressure can be applied by the pressure application device with a compressible control fluid, dependent on the displacement state detected by the pressure application device, such that on detection of a pre-determined displacement state of the damping strut, the disk valve is pre-tensioned in the closing direction thereof, so that the damping force is increased. | 02-07-2013 |
| 20090309278 | HYDROPNEUMATIC SUSPENSION UNIT - A hydropneumatic suspension unit for a vehicle that includes an outer sleeve which defines a first chamber, and a damping piston which is arranged for sliding displacement in the first chamber. The first chamber contains gas mainly for providing spring action and liquid mainly for providing damping action. The gas is in direct contact with the liquid. | 12-17-2009 |
| 20110101579 | Multi-Stage Telescopic Shock Absorber - A multi-stage shock absorber with closed ends has a plurality of tubular shock bodies telescopically interconnected together, and includes a piston arrangement slidably mounted within certain of the shock bodies to define a number of chambers variously containing damping and/or spring elements for enabling damping of shock forces applied to the shock absorber. | 05-05-2011 |
| 20120074625 | AIR SPRING TYPE SUSPENSION - An air spring type suspension includes: a cylinder including an air chamber; an outer tube surrounding the cylinder and constituting a buffer chamber outside the cylinder, the buffer chamber connected to the air chamber; a damper capable of being inputted into and outputted from the air chamber; a piston rod in the air chamber and inserted into the damper; and an accumulator module constituting a control chamber connected to the buffer chamber, wherein a single closed space is constituted by the air chamber, the buffer chamber and the control chamber, and wherein a pressure change of the air chamber is induced by a pressure change of the control chamber. | 03-29-2012 |
| 20120235332 | Control Assembly For A Bicycle Shock Absorber - A control assembly for an in-line bicycle shock absorber can include a control member rotatably mounted to a housing of the shock absorber, the control member having an interior bore, and with one end of the bore being closed and another end of the bore being open. The control assembly also includes a piston slidably mounted within the interior bore of the control member. The control member is rotated to adjust a first characteristic of the shock absorber and the piston is displaced within the interior bore to adjust a second characteristic of the shock absorber. | 09-20-2012 |
| 20120091638 | SHOCK ABSORBER USING AIR PRESSURE - The present invention provides a shock absorber, “AIR FORCE”, that uses air pressure to support the weight of a vehicle. The shock absorber of the present invention comprises of a damper, which is a cylinder filled with oil and gas pressure, and an air pressure adjusting assembly. During the use, the piston presses against the air inside the cylinder. The softness and the hardness of the shock absorber is adjustable using an adjuster. The present shock absorber of the present invention use air pressure to support the weight of the vehicle instead of the use of spring. By manipulating the air pressure inside the cylinder, the softness and the hardness of the shock absorber can be adjusted. In addition, it can be used accompany with a damper. | 04-19-2012 |
| 267640270 | Having flexible wall | 21 |
| 20100096786 | Air Spring - An air spring for a vehicle suspension, in which air spring the bellows is fastened by way of deformable annular components to the periphery of connection parts. The annular component is fastened at one end of the bellows, to the outer periphery of the connection part in axially spaced-apart clamping regions so as to form an encircling cavity, The annular component, on its outer side, is formed with a rolling contour for the bellows. | 04-22-2010 |
| 20120161375 | GAS SPRING PISTON, GAS SPRING ASSEMBLY AND METHOD - A gas spring piston includes a piston body with an end wall and a side wall that projects longitudinally from the end wall. The side wall includes an outer surface and a retainment ridge spaced longitudinally from the end wall such that the outer surface is disposed between the retainment ridge and the end wall. The retainment ridge projects radially-outwardly beyond the outer surface such that a shoulder surface is formed adjacent the outer surface. The outer surface includes an engagement feature that is dimensioned to compressively engage an associated flexible wall. The engagement feature is positioned along the outer surface in spaced relation to the end wall and the shoulder surface of the retainment ridge. A gas spring assembly and a method of assembling a gas spring that include such a gas spring piston are also disclosed. | 06-28-2012 |
| 20090302514 | GAS SPRING ASSEMBLY AND SPACER - A cooperative mounting arrangement for an end member or spacer of a gas spring assembly includes a recess formed into one of the end member and the spacer. A projection is provided on or along an associated structural component. The recess receives the projection such that lateral forces acting on the end member of the gas spring assembly can be transferred to the associated structural component. | 12-10-2009 |
| 20130056917 | Ventilated Air Bellows for a Pneumatic Spring, Pneumatic Spring Containing a Ventilated Air Bellows, and Pneumatic Spring System Containing Ventilated Air Bellows - The invention relates to an air bellows for a pneumatic spring, in particular of a commercial vehicle, the air bellows including an axle-side region and a body-side region, wherein the axle-side region is arranged on a plunger and movable by a compression or extension movement between a first, compressed position and a second, extended position, and further including an interior space adapted to be filled with compressed air via a compressed air opening that is connectable to a compressed air line. The air bellows further comprises a valve connected to the atmosphere for ventilating the interior space, wherein by applying compressed air present in the interior space to the valve the valve is moved to a closed position. | 03-07-2013 |
| 20080197547 | Pneumatic Suspension Bellows - The invention relates to a combined pneumatic bellow ( | 08-21-2008 |
| 20080211150 | PISTON AND GAS SPRING ASSEMBLY INCLUDING SAME - A piston adapted for use in offset mounting conditions includes a piston body having a longitudinally-extending axis. First and second securement features are located at radially outer positions relative to the axis. The first and second securement features are also located on one diametrical side of a midplane of the piston body. A plurality of support walls extends from the diametrically opposite side of the piston body toward the securement features. A gas spring assembly including such a piston is also included. | 09-04-2008 |
| 20080290570 | Drop Base Ring Clamping Contour For Air Tubular Bellow Pneumatic Springs - In a sleeve rolling-lobe flexible member air spring ( | 11-27-2008 |
| 20110266728 | AIR SPRING - An air spring ( | 11-03-2011 |
| 20100276852 | Gas Spring System Having Multi Chamber Gas Springs - A gas spring system of a vehicle includes a multi-chamber gas spring associated with each vehicle wheel. Each multi-chamber gas spring comprises a main chamber and at least one auxiliary chamber connectable to the main chamber, such that the spring rigidity of the multi-chamber gas springs can be changed. A control device determines a target axle rigidity as a function of a guide lateral acceleration and adjusts the target rigidity. The spring rigidity of the multi-chamber gas spring located on an inner side of the vehicle (relative to a curve traversed by the vehicle) is first changed. The spring rigidities of the multi-chamber gas springs of a vehicle axle are changed in stages in an alternating fashion. | 11-04-2010 |
| 20110049774 | SHOCK ABSORBER HAVING COMPRESSIBLE FLUID - A shock absorber for a vehicle, having a bellows piston, bellows, and a fluid as the damping medium. The shock absorber has a first partition wall, which is situated on the bellows piston, and is implemented to separate a volume area of the bellows piston from a volume area of the bellows. The first partition wall has a first opening, which is implemented to limit a fluid flow between the volume area of the bellows piston and the volume area of the bellows. The shock absorber further has a sprung mass, which is situated inside the shock absorber to influence the fluid flow inside the shock absorber. | 03-03-2011 |
| 20090278289 | Cover Assembly for a Vehicle Air Spring - A cover assembly for an air spring for vehicles includes a cover ( | 11-12-2009 |
| 20100117274 | AIR SPRINGS AND VULCANIZABLE COMPOSITIONS FOR PREPARING THE SAME - An air spring having an airsleeve, wherein at least one layer of said airsleeve includes the vulcanization product of a vulcanizable composition including an elastomer and a non-ionic surfactant. | 05-13-2010 |
| 20120056362 | AIR SPRING - In an air spring for a railway vehicle or the like, an upper end | 03-08-2012 |
| 20120112392 | AIR SPRING DEVICE - An air spring device having a folding bellows which protects the rolling fold against contaminants, the folding bellows being fastened to that end of the rolling piston which lies opposite the rolling fold, and surrounding the outer guide at least over the length of the latter. | 05-10-2012 |
| 20120153550 | BUMPER FOR AIR SPRING - An air suspension system includes a plastic or metal piston fixed to the vehicle axle and an elastomeric bellows which is air tightly vulcanized from its lower open end to the upper part of the piston and from its upper open end to the metal plate fixed to the vehicle chassis to form a pressured air chamber and a single-piece bottom plate with bumper, which is completely made of reinforced plastic material. The air suspension system includes a compression part vulcanized to the elastomeric bellows and a bumper part absorbing the loads and which is mounted to the upper side of the piston after that it is vulcanized to the lower open end of the elastomeric bellows. | 06-21-2012 |
| 20120313303 | Pneumatic Spring Device for a Rail Vehicle - The invention is directed to a pneumatic spring device ( | 12-13-2012 |
| 20090057966 | SPRING BODY FOR GAS SPRING ASSEMBLY AND METHOD OF FORMING SAME - A spring body includes a filament structure formed from at least one length of filament material. An elastomeric wall at least partially defines a spring chamber and includes a first portion of the filament structure. A comparatively-rigid wall includes a second portion of the filament structure. A gas spring assembly that includes such a spring body, as well as a method making a spring body and a method of making a gas spring assembly are also included. | 03-05-2009 |
| 20120074626 | BODY AMPLITUDE SENSITIVE AIR SPRING - Provided is an air spring for sensing a behavior of a vehicle and varying a spring constant by changing a chamber volume of the air spring, improving the ride comfort and the steering stability according to situations. | 03-29-2012 |
| 20090065989 | AIR SPRING MODULAR PISTON - A modular piston assembly is associated with an air spring assembly that has a bellows rolling over a surface of the piston assembly. The modular piston assembly includes a first piston portion adapted to fasten to an associated air spring bellows. A second piston portion separate from the first portion, is adapted to fasten to an associated mounting component. Interlocking members are provided to secure the first and second piston portions together, and/or any desired intermediate piston portions. Discrete air reservoirs may also be included in the modular piston assembly to increase the volume of the air spring. | 03-12-2009 |
| 20120267836 | GAS SPRING END MEMBER AS WELL AS GAS SPRING ASSEMBLY AND SUSPENSION SYSTEM INCLUDING SAME - A gas spring end member is dimensioned for securement along an associated suspension member having an associated planar surface and at least an associated first side surface. The gas spring end member can include a base wall disposed transverse to a longitudinal axis and a bracket wall that extends longitudinally-outwardly from the base wall. The bracket wall can be adapted for operative connection to the associated suspension member such that the gas spring end member can be supported thereon with the base wall disposed in longitudinally spaced-apart relation to the associated planar surface of the associated suspension member. A gas spring assembly including such an end member can be included. A suspension system and a method of installation including such a gas spring assembly can also be included. | 10-25-2012 |
| 20130020746 | AIR SPRINGS WITH IMPROVED HIGH TEMPERATURE PERFORMANCE - An air spring bellow comprising a vulcanized rubber component including the at least partially vulcanized residue of hydrogenated nitrile rubber and a rubber other than hydrogenated nitrile rubber. | 01-24-2013 |
| 267640280 | Including means for charging or discharging spring | 6 |
| 20120193845 | COMPRESSOR AND AIR SUSPENSION APPARATUS USING THE SAME - A compressor has a brush motor having a coil and brushes, a motor housing accommodating the brush motor, and a reciprocating compressor body in which a crank is rotationally driven by the brush motor to reciprocate a piston in a cylinder, thereby compressing a gas sucked in from a suction port and discharging the compressed gas from a delivery port. The compressor has a gas intake flow path configured such that the gas cools the brushes in the motor housing before cooling the coil and flowing to the suction port. | 08-02-2012 |
| 20080315470 | Gas 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 ( | 12-25-2008 |
| 20110018180 | PNEUMATIC SUSPENSION SPRING FOR A WHEELED VEHICLE - Various embodiments of an air spring end closure are disclosed. One has an outer part and an inner part joined together to provide a moment of inertia along an axis that is transverse to axial expansion and contraction of the air chamber that is greater than that of the outer part alone. Another has a part that is concave toward the chamber and contains one of a riser and a depression having a generally rectangular shape whose length runs transverse to the direction of expansion and contraction and that is widthwise centered on a diameter of the part. Still another has a part having an elliptical perimeter margin curled onto a similarly shaped axial end of a sleeve that provides the axial expansion and contraction. | 01-27-2011 |
| 20110042869 | Hydro-Pneumatic Piston Accumulator - The invention relates to a hydro-pneumatic piston accumulator ( | 02-24-2011 |
| 20120098172 | GAS SPRING CONTROL SYSTEM AND METHOD - A vehicle suspension system includes a pump, a gas spring, and an accumulator. The suspension system also includes a controller for adjusting the suspension system. The controller has a processing circuit configured to receive a measure of gas in the spring. The processing circuit is further configured to calculate a difference between a target value and a current value based on the received measure of gas. The processing circuit is also configured to provide an output for adjusting the gas in the spring in response to the calculated difference. | 04-26-2012 |
| 20080296815 | Pressure Medium Connector Unit for a Vehicle Gas Spring - In at least one embodiment of the present invention a connector unit for a pressure medium connection between an outer connection part and a spring head of a vehicle gas spring is provided. The connector unit comprises a line configured to be connected to an inner connection part and the outer connection part and is elastically deformable in at least regions during relative rotation movement of the spring head. The line has a deformation section between an end-side line section and an outer line section. The deformable section is disposed in a region of the spring head which is offset to the spring axis and is of helical configuration. | 12-04-2008 |
