Patents for F15B 15 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith (21,171)
04/1992
04/30/1992DE4032167C1 Hydraulic actuator position indicator - incorporates cylinder and lines connecting working cylinder to control valve
04/29/1992EP0482329A1 Hydraulic actuator for controlling and regulating valves
04/28/1992US5107754 Articulated mechanism with rotary vane motors
04/28/1992US5107678 Floating fluid-operated actuator
04/23/1992DE4032765A1 Stroke limiting system for hydraulic cylinder-piston unit - has arrangement for engaging and disengaging projection in recess
04/22/1992EP0481692A2 Multi-axis apparatus
04/22/1992CN2102402U Hydraulic motor cylinder
04/21/1992US5106275 Arrangement on a pump unit
04/21/1992US5105622 Hydraulic unit for driving a tool
04/15/1992EP0479808A1 Piston sealing and dampening device.
04/14/1992US5103940 Self-adjusting brake incorporating wear compensation
04/09/1992DE4133188A1 Sealing unit for pressurised chambers, - is esp. used with pistons and piston rods and consists of sealing rings with leakage chamber between and leakage pipe
04/09/1992DE4032668C1 Hydraulic cylinder assembly - has small dia. piston guided in bore of large piston, cooperating with two sprung latches
04/09/1992DE4031458A1 Displacement measurement and remote control device - contains servo valve actuator for hydraulic drive unit with belt driven valve spool
04/09/1992DE4030730A1 Mechanical movement conversion unit - converts linear stroke movement into circulating radial movement using stroke curve component
04/09/1992DE4027617A1 Application mechanism for brake - is for fluid-driven work cylinder without piston connecting rod
04/08/1992EP0479399A2 Pneumatic rotary actuator for accurate positioning of a power output member
04/08/1992EP0478841A1 Hydraulic telescopic actuator for a dump truck
04/08/1992EP0478760A1 Torque wrench.
04/07/1992US5103172 Piston and cylinder device with fixed conductive guide on periphery of cylinder
04/07/1992US5101862 Rotary actuator and valve control system
04/07/1992US5101709 Waterproof cover for a pneumatic actuator
04/07/1992US5101556 Method of manufacturing a piston
04/02/1992WO1992005374A2 Drive
04/01/1992EP0478138A2 Fluid operated clutch control system having latch member
04/01/1992CN1016090B High-speed hydraulic servo cylinder
03/1992
03/31/1992US5099749 Compound motion fluid actuating device and method
03/31/1992US5099748 Pneumatic system for telescopic hoist
03/31/1992CA1298155C Device for converting energy of fluid medium into mechanical work
03/25/1992EP0477067A1 High efficiency pneumatic impacting mechanism with a plunger valve
03/25/1992EP0476795A1 Rodless actuator
03/25/1992EP0476375A2 Telescopic actuator system
03/25/1992EP0476280A2 Rotating unit
03/25/1992EP0476265A1 Fluid actuator with slotted cylinder
03/24/1992US5097748 Hydraulic locking cylinder with throttled supply of fluid during unlocking stage
03/18/1992EP0475032A1 Fluid actuator with slotted cylinder
03/18/1992EP0287623B1 Motorised joint
03/17/1992US5095756 Linear movement sensors
03/17/1992CA1297357C High pressure fluid-driven tension actuators and method for constructing them
03/12/1992DE4028159A1 Piston-cylinder actuator unit - involves piston moved by pressure medium and having at least one connecting rod
03/11/1992EP0474147A1 Device for assembling signal devices to swivel drives, particularly for actuating pipe valves
03/11/1992EP0474017A2 Pneumatic actuator, especially for vehicles
03/11/1992CN1059392A Pressure transmission device
03/10/1992US5094143 Port mounted fluid control valve construction
03/04/1992EP0472862A1 Fluid powered rodless cylinder
03/01/1992CA2050109A1 Fluid operated clutch control system having latch member
02/1992
02/26/1992EP0471695A1 Hydraulic drive.
02/25/1992US5090509 Interlock device, especially for a pressure-medium actuator of the axial-piston type
02/25/1992US5090299 Piston unit with rolling membrane
02/25/1992US5090297 All-elastomer fluid-pressure-actuatable twistors and twistor drive assemblies
02/25/1992US5090296 Piston assembly and method
02/19/1992EP0471073A1 Cylinder device
02/18/1992US5088385 Actuator apparatus with secondary seal motion
02/18/1992US5088382 Linear unit
02/06/1992WO1992002107A1 Hydraulic lever actuator
02/06/1992DE4021280A1 Two stage telescopic hydraulic cylinder - has stages operating in controlled sequence via valving
02/05/1992EP0470025A1 Bellow actuator
02/05/1992EP0469253A1 Fluid-operated, programmable, linear actuator
02/05/1992EP0469054A1 Actuator end stop arrangement
02/05/1992CN1058461A Inflatable and deflatable cushion and extension jack equipped with such cushion
02/04/1992US5085298 Pressure compensating relief and refill system
01/1992
01/29/1992EP0468851A1 In- and deflatable buffer and thrustor equipped with such a buffer
01/29/1992EP0468788A1 Hydraulic booster device for linear actuator
01/29/1992EP0468602A1 Drive/frame assembly for a reciprocating floor
01/29/1992EP0468548A2 Actuator with energy recovery return
01/29/1992EP0468336A1 Expandable bag
01/28/1992US5083498 Bendable actuator
01/26/1992CA2047808A1 Inflatable and deflatable cushon; jack provided with said ashion
01/25/1992CA2040379A1 Actuator with energy recovery return
01/22/1992EP0467491A1 Rodless actuator, in particular for compressible fluid with brake arrangement
01/22/1992EP0466718A1 Fluid-actuated device.
01/22/1992CN2093920U Cylinder with mechanism preventing rotation of piston rod
01/21/1992US5082314 Device for connecting the ends of a composite tube subjected to severe axial stress with metallic collars and manufacturing process therefor
01/21/1992US5081910 Locking linear actuator
01/16/1992DE4022447A1 Prodn. of piston-cylinder unit useful e.g. as shock absorber - has cylinder and base joined by friction welding or magnetically deflected arc welding
01/16/1992DE4022303A1 Friction welded joint between hose attachments and cylinder - provides space to accommodate weld bead
01/15/1992EP0466273A1 A pressure-operated piston-cylinder device, comprising at least one pair of contact elements acting as a piston end position switch
01/14/1992US5079999 Bendable actuator
01/14/1992US5079998 Pneumatic driver
01/14/1992US5079997 Piston seal device for a pneumatic cylinder
01/09/1992DE4116651A1 Working cylinder with piston carrying permanent magnet - has field conductor between cylinder tube and magnetic sensor enabling accurate position measurement
01/08/1992EP0465282A1 Rotary ball actuator
01/08/1992EP0464356A1 Plunger-type cylinder
01/08/1992EP0464202A1 Pressure vessel made of composite material
01/02/1992EP0463349A1 Power cylinder
01/02/1992EP0463020A1 Hydraulically, pneumatically or mechanically driven power unit.
12/1991
12/31/1991US5077139 Coating applied to piston rods of hydraulic cylinders
12/31/1991US5076379 Mechanism for translation of linear motion to rotary motion
12/31/1991US5076090 Dual action equalizing apparatus
12/27/1991EP0462939A1 Pneumatic cylinders with flow regulator incorporated
12/27/1991EP0462908A1 Fluid controlled biased bending neck
12/27/1991EP0462418A1 Working cylinder with displacement transducer
12/26/1991WO1991019907A1 Holding device for piston position sensor with clamping device
12/24/1991US5074024 Process for assembling a servomotor
12/19/1991DE4119546A1 Formation of passageway in servo-cylinder wall - uses press tool with narrowed tip having curved section to produce uniform curved passageway entrance
12/18/1991CN2090896U Magnifying and reducing device using fluid drive
12/17/1991CA1293176C Hydraulic lifting cylinder-piston unit
12/12/1991WO1991019108A1 Piston-cylinder control device
12/10/1991US5072198 Impedance matched coaxial transmission system
12/10/1991US5070767 Compact fluid apparatus and method of assembly having seal deforming grooves