| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 267640150 | With retarder | 66 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 20140077427 | 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%. | 03-20-2014 |
| 20140239564 | INTEGRATED AND SELF-CONTAINED SUSPENSION ASSEMBLY HAVING AN ON-THE-FLY ADJUSTABLE AIR SPRING - An integrated and self-contained suspension assembly having a gas spring integrated with a shock absorber (damper) is described. The rigid gas cylinder of the air spring is divided into a first gas chamber and a second gas chamber. A flow port connects the first and second gas chambers, and can be manually opened or dosed by valve and a simple one-quarter turn rotation of an external knob to instantly switch the gas spring between two different spring rates. The different spring rates are functions of the separate or combined volumes of the two. gas chambers. The integrated suspension assembly is compactly packaged and self-contained, i.e., does not require any externalities, such as gas sources or electricity, to operate. | 08-28-2014 |
| 20140300037 | WHEEL WITH SUSPENSION SYSTEM AND CENTRALIZING UNIT WITH SUSPENSION SYSTEM - A wheel with a suspension system being connectable to a vehicle, like a wheel chair, comprises a hub ( | 10-09-2014 |
| 20160053842 | 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%. | 02-25-2016 |
| 20160252152 | DAMPER DEVICE | 09-01-2016 |
| 267640160 | Leveling device | 12 |
| 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 | 4 |
| 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 |
| 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 |
| 20140070467 | HEIGHT ADJUSTMENT FOR VEHICLES WITH AIR SPRING AND VIBRATION DAMPER - The invention concerns a device for a vehicle, for height adjustment of a vehicle superstructure, which at one end has a first means for pivoting on a sprung mass ( | 03-13-2014 |
| 267640190 | Having flexible wall | 7 |
| 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 |
| 20140091505 | END MEMBERS, GAS SPRING ASSEMBLIES AND SUSPENSION SYSTEMS - An end member for a gas spring assembly can include a first end, a second end opposite the first end and a plurality of reflector surfaces formed along the first end. A first reflector surface can extend from the first end toward the second end. A second reflector surface can extend from adjacent the first reflector surface toward the second end. One or more of the plurality of reflector surfaces can include a plurality of facets or reflector zones. A gas spring assembly including at least one of such end members and a suspension system including one or more of such gas spring assemblies are also disclosed. | 04-03-2014 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 | 20 |
| 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 |
| 20110278775 | RESIDUAL PRESSURE HOLDING VALVE AND SUSPENSION STRUT - A residual pressure holding valve ( | 11-17-2011 |
| 267640240 | Including rolling lobe between telescoping members | 16 |
| 20080203632 | Pneumatic spring - A pneumatic spring has a pneumatic spring bellows ( | 08-28-2008 |
| 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 |
| 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 |
| 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 |
| 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 |
| 20140175716 | DAMPER WITH AIR SPRING - A damper with an air spring includes: a damper main body having a cylinder and a piston rod inserted into the cylinder; and a cylindrical diaphragm attached to a side of the cylinder at a first end thereof and to a side of the piston rod at a second end thereof and forming an air chamber around the damper main body, in which a first attachment case to which the first end of the diaphragm is attached is fitted on an outer periphery of the cylinder, and an inner-diameter step portion of the first attachment case is brought into abutting contact with an upper end portion of the cylinder in an axial direction thereof, while a second attachment case to which the second end of the diaphragm is attached is fixed to the piston rod. | 06-26-2014 |
| 20140246817 | GAS SPRING AND GAS DAMPER ASSEMBLY AND METHOD - A gas spring and gas damper assembly ( | 09-04-2014 |
| 20150008627 | AXIAL CLUTCH ASSEMBLY AS WELL AS GAS SPRING AND GAS DAMPER ASSEMBLY AND METHOD INCLUDING SAME - A gas spring and gas damper assembly can include a gas spring and a gas damper. The gas spring can include a first end member, a second end member and a flexible wall that at least partially form a spring chamber. The gas damper can include first, second and third damper elements that are telescopically interconnected with one another. The first and third damper elements can be operatively connected to respective ones of the first and second end members. The third damper element includes damper piston having an axial clutch. The second damper element is suspended between the first and third damper elements by biasing elements that engaging the damper piston. | 01-08-2015 |
| 20150076752 | PNEUMATIC SPRING SHOCK ABSORBER APPARATUS FOR A MOTOR VEHICLE - For the mounting of an abutment cap on a shock absorber tube, use is made of the pneumatic spring in which the abutment cap is held. During the joining process of the pneumatic spring onto the shock absorber, the abutment cap is pushed onto the shock absorber and, in a further process, is pressed on, wherein here, the clamp of the abutment cap or the holding webs of the abutment cap slips or break, respectively, and the pneumatic spring can assume a final position in the apparatus. | 03-19-2015 |
| 20160090147 | SUSPENSION - An reaction force adjustment member is attached to a suspension including a cylinder, a piston rod which has a piston at one end thereof and which is inserted into the cylinder together with the piston, and a diaphragm which has one end fixed to the cylinder and the other end fixed to the other end of the piston rod and which forms an air chamber around at least the piston rod. The reaction force adjustment member includes a cylindrical member which is provided on an outer circumference of the cylinder surrounded by the diaphragm when the suspension is extended and compressed. An outer circumference surface of the cylindrical member has an uneven surface. | 03-31-2016 |
| 20160101663 | GAS SPRING ASSEMBLIES AND INTERNAL MISALIGNMENT MOUNTS FOR SAME - An assembly (AS | 04-14-2016 |
| 20160108985 | AIR SPRING HYBRID PISTON ASSEMBLY - An air spring includes a damper, a support ring associated with a portion of the damper, and a piston assembly. The piston assembly includes a first piston member press-fitted to the damper, and a second piston member fitted with the first piston member. The second piston member is supported by the support ring. The two-piece piston assembly allows for a large package for volume at low cost. | 04-21-2016 |
| 20160129748 | Air Spring Using Laminated Material To Reduce NVH Issues - An air spring includes a bellow at least partially delimiting at least one working chamber that is constructed and arranged to be filled with compressed air. A guide tube surrounds at least a portion of the bellow. A piston is associated with the bellow. The bellow is constructed and arranged to roll with respect to an outer surface of the piston and an inner surface of the guide tube. At least one of the guide tube and the piston includes a lamination comprising an inner layer of material coupled to an outer layer of material so as to cause internal friction and thus a dampening of vibrations inside the material. | 05-12-2016 |
| 20160176258 | GAS SPRING AND GAS DAMPER ASSEMBLY AND METHOD | 06-23-2016 |
| 267640250 | Having plural compressible fluid springs | 7 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 267640260 | Having telescoping cylinders | 12 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 20140239565 | 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. | 08-28-2014 |
| 20150145188 | 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. | 05-28-2015 |
| 20160069411 | METHODS AND APPARATUS FOR SUSPENSION ADJUSTMENT - A shock absorber includes a gas spring cylinder containing a piston moveable between an extended position and a compressed position within the gas spring cylinder. A mechanical actuator is arranged whereby a bleed port is automatically closed when the gas spring is compressed to a predetermined position corresponding to a desired sag setting. In one embodiment, the position corresponds to a predetermined sag setting whereby the gas spring is partially compressed. In another embodiment, a proper sag setting is determined through the use of a processor and sensor that in one instance measure a position of shock absorber components to dictate a proper sag setting and in another instance calculate a pressure corresponding to a preferred sag setting. | 03-10-2016 |
| 20160114855 | 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. | 04-28-2016 |
| 20160377141 | DUAL PISTON SYSTEM - A dual piston system for independently controlling compression and rebound flowpaths therein, the dual piston system comprising: a first adjustable orifice configured for controlling rebound fluid flow, wherein the first adjustable orifice controls the rebound fluid flow through a first pathway associated with a low speed rebound flow and a second pathway associated with a high speed rebound flow; and a second adjustable orifice configured for controlling compression fluid flow, wherein the second adjustable orifice controls the compression fluid flow through a third pathway associated with a low speed compression flow and a fourth pathway associated with a high speed compression flow. | 12-29-2016 |
