| Patents for F16F 9 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium (26,706) |
|---|
| 04/09/1991 | US5005803 High response, compact solenoid two-way valve |
| 04/09/1991 | US5005677 Adjustable stop for locking device |
| 04/09/1991 | CA1282805C Air spring with extensible fabric restraining cylinder |
| 04/09/1991 | CA1282804C Air spring with fabric restraining cylinder |
| 04/09/1991 | CA1282802C Inertia type fluid mount using electrorheological and other fluid |
| 04/09/1991 | CA1282801C Control and means for vibration attenuating damper |
| 04/04/1991 | DE3931475A1 Shock absorbing system with several brakes - has brake units connected in parallel series arrangement with springs |
| 04/03/1991 | EP0420610A1 Bicycle suspension system |
| 04/03/1991 | EP0420219A1 A column unit |
| 04/03/1991 | EP0419912A2 Pneumatic spring |
| 04/02/1991 | US5004215 Resilient return strut of the elastic-hydraulic type with incorporated linear damping by throttling a high-viscosity fluid |
| 04/02/1991 | US5004080 Controlling circuit for actuator |
| 04/02/1991 | US5004079 Semi-active damper valve means and method |
| 04/02/1991 | US5003807 Press assembly and method of operation |
| 04/02/1991 | US5003777 Asymmetric gas spring |
| 03/26/1991 | US5003136 Gas strut switch assembly |
| 03/26/1991 | US5002165 Sealing ring |
| 03/26/1991 | CA1282084C Vehicle air suspension |
| 03/21/1991 | WO1991003664A1 Self-blocking gas spring with temperature-responsive bypass valve |
| 03/20/1991 | EP0417112A1 Shock absorber. |
| 03/19/1991 | US5000478 Shock absorber with Doppler fluid velocity sensor |
| 03/19/1991 | US5000299 Shock absorber using electro-viscous fluid |
| 03/19/1991 | CA1281614C Lockable piston-cylinder assembly |
| 03/13/1991 | EP0416987A1 Valve for hydraulic fluid and damper equipped with such a valve |
| 03/12/1991 | CA1281341C Height control valve with spring return actuator |
| 03/07/1991 | DE4026479A1 Shock absorber for vehicle especially - consists of outer pipe enclosing chamber filled with pressurised medium and piston |
| 03/07/1991 | DE3939814C1 Vehicle hydraulic suspension damper - has pair of parallel actuated electromagnets and valve forming magnet armature |
| 03/05/1991 | US4997068 Hydraulic damper of adjustable damping force type |
| 02/28/1991 | DE4002882C1 Hydraulic shock absorber with damping liq. contg. cylinder - has several passages and couplers, each on different partial diameters |
| 02/28/1991 | DE4000245C1 Pressurised gas spring with cylinder - has annular groove in piston rod collar, whose depth permits retaining extra O=ring |
| 02/28/1991 | DE3927948A1 Hydropneumatic piston cylinder arrangement - consists of cylinder with coaxial inner tube and piston rod, with separating piston and equaliser |
| 02/28/1991 | DE3924166C1 Hydraulic vibration damper with valved piston - has changeover control rod with several surface recesses with different widths |
| 02/27/1991 | EP0414508A1 Vibration damping device |
| 02/27/1991 | EP0414387A1 Ski device |
| 02/27/1991 | EP0413820A1 Visco-elastic damper |
| 02/27/1991 | EP0413718A1 Positioner with large diameter piston rod and fluted volume compensating piston |
| 02/26/1991 | US4995635 Ultrasonic Doppler velocity sensing within a hydraulic actuator |
| 02/26/1991 | US4995623 Sealing device for reciprocating member |
| 02/26/1991 | US4995597 Hydraulic shock absorber with telescopic casings |
| 02/26/1991 | US4995583 Devices for damping the vibrations of stay cables |
| 02/26/1991 | US4995485 Sealing structure of an accumulator |
| 02/21/1991 | DE3927150A1 Magnetic valve with short stroke armature - pole cure and magnetic armature cooperating via protrusion and corresp. recess |
| 02/21/1991 | DE3927149A1 Construction assembly including telescopic strut |
| 02/21/1991 | DE3927147A1 Construction assembly including telescopic strut |
| 02/20/1991 | EP0413420A1 Spliced air sleeve assembly for air spring damper |
| 02/20/1991 | EP0413308A2 A construction assembly including a telescopic strut |
| 02/19/1991 | US4993747 In a motor vehicle |
| 02/19/1991 | US4993694 Suspension device for vehicles, comprising a telescopic shock-absorber and an air spring |
| 02/19/1991 | US4993524 Damping valve unit for a hydraulic oscillation damper |
| 02/19/1991 | US4993523 Fluid circuit for semiactive damper means |
| 02/19/1991 | US4993522 Hydraulically blockable gas spring |
| 02/19/1991 | CA1280451C Self contained gas spring interchangeable with coil spring |
| 02/13/1991 | EP0412860A1 Electromagnetic valve |
| 02/12/1991 | US4991255 Pneumatic door-closer usable for left-hinged and right-hinged doors |
| 02/07/1991 | DE4021909A1 Semi-active spring suspension control for motor vehicle |
| 02/07/1991 | DE3925519A1 Hydropneumatic piston-cylinder unit - has cylinder containing inner pipe with annular space between containing piston, and piston rod |
| 02/06/1991 | EP0411623A2 Shutter opening device particularly for pleasure craft hatchways |
| 02/06/1991 | EP0411362A1 A gas spring, a method of filling a gas spring with pressurized gas and an installation for performing the method |
| 02/06/1991 | EP0411337A1 Damping valve with improved damping adjustment |
| 02/05/1991 | US4989884 Automotive boot |
| 02/05/1991 | US4989844 Vehicle leveling shock absorber assembly |
| 02/05/1991 | US4989701 Shock absorber |
| 02/05/1991 | US4989700 Gas spring with an anti-rattle piston assembly |
| 02/05/1991 | US4989699 Preloaded compression valve and method for a hydraulic damper |
| 02/05/1991 | US4989698 Control device for a lockable gas spring |
| 02/03/1991 | CA2022520A1 Damping valve with improved damping adjustment |
| 01/30/1991 | EP0410920A1 Improved pneumatic spring |
| 01/30/1991 | EP0410397A1 Upper support for shock absorber in suspension system, having elastically supported resonance member |
| 01/30/1991 | EP0410196A1 Length adjustable setting device |
| 01/30/1991 | EP0410087A2 Cushioning and impact absorptive structure |
| 01/30/1991 | EP0409887A1 Actuator with memory metal and a shock absorber provided with this actuator. |
| 01/29/1991 | US4988967 Solenoid operated hydraulic control valve |
| 01/29/1991 | US4988082 Spliced air sleeve assembly for air spring damper |
| 01/29/1991 | US4988081 Impact damper for a motor vehicle |
| 01/29/1991 | US4987826 Cylinder piston rod unit |
| 01/24/1991 | DE3924168A1 Controllable vehicle vibration damper with piston in cylinder - has damping unit with compression and expansion stroke valve pistons, whose throttle channel flow is regulated by common control needle |
| 01/23/1991 | EP0409395A1 Dust shield for a damper |
| 01/23/1991 | EP0409094A1 A damping unit |
| 01/23/1991 | EP0408631A1 Twin-pipe shock absorber. |
| 01/22/1991 | US4986393 Adjustable vibration dampers for motor vehicles |
| 01/22/1991 | US4986392 Motor vehicles |
| 01/17/1991 | DE3922891A1 Variable effect hydraulic shock absorber - has two solenoid coils to vary by=pass flow rate to damping valve |
| 01/16/1991 | EP0407865A2 Piston for vibration absorber, especially for shock absorbers in motor vehicles |
| 01/16/1991 | CA2021132A1 Gas spring, a method of filling a gas spring with pressurized gas and an installation for performing the method |
| 01/15/1991 | US4985884 Disk shaped recording reproduction device |
| 01/15/1991 | US4985009 Tensioning device for chain or belt drives |
| 01/15/1991 | CA1278906C Construction having progressively increased dampening during closed position approach |
| 01/10/1991 | WO1991000186A1 Telescopic stand for steerable wheel suspension of a vehicle |
| 01/10/1991 | DE3920752A1 Gas pressure spring with cylinder - contains operating piston, with annular friction piece and control |
| 01/10/1991 | DE3920750A1 Gas pressure spring with adjuster and electromechanical drive - is equipped for remote control of positioning force exerted in opposition to loading of piston rod |
| 01/09/1991 | EP0407360A1 Suspension member for motor vehicles |
| 01/09/1991 | EP0407261A1 Belt transmission tensioner |
| 01/09/1991 | EP0406571A1 Tensioning device for chain or belt drives |
| 01/09/1991 | EP0406543A2 Push- and pull steps independent control system for a hydraulic vibration damper |
| 01/08/1991 | US4982937 Gas-operated spring |
| 01/08/1991 | CA1278657C2 Method for making airspring flex members |
| 01/03/1991 | DE3921398A1 Torque damper with container - has empty compartment and has stationary intermediate partition with through holes and two semi-compartments |
| 01/02/1991 | EP0406038A1 Suspension spring support |
| 01/02/1991 | EP0405123A2 Two-way solenoid valve for bypass control |
| 01/01/1991 | US4981286 Apparatus using a fluid whose viscosity varies with electric current applied thereto |