Patents
Sitemap › F15 - Fluid-pressure actuators; Hydraulics or pneumatics in general › F15B - Systems acting by means of fluids in general; Fluid-pressure actuators, e.g. servomotors; Details of fluid-pressure systems, not otherwise provided for › F15B 15 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
Patents for F15B 15 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith (21,171)
11/1981
11/25/1981EP0040244A1 Rotary actuator
11/24/1981US4301714 Damping device in pressurized fluid cylinders
11/18/1981EP0039976A2 A device for the transfer of articles to be machined on machine tools from one work station to the next one
11/17/1981US4300664 Locking device
11/17/1981US4300439 Ballistic tolerant hydraulic control actuator and method of fabricating same
11/12/1981WO1981003199A1 Combined linear and rotary actuator and floating ring gear
11/04/1981EP0039070A1 Thrust piston device with a membrane sealing
10/1981
10/27/1981US4296681 Fluid driven servomechanism
10/27/1981US4296679 Cylinder with two-stage movement, especially a welding cylinder
10/27/1981US4296675 Cylinder cushion with contractable ring
10/27/1981CA1111322A1 Turbocharger control actuator
10/20/1981US4295630 Fail-safe actuator and hydraulic system incorporating the same
10/20/1981US4295413 Hydraulic actuator
10/14/1981EP0037746A2 A rotary actuator
10/13/1981US4294572 Internal fluid communication system for power cylinders
10/06/1981CA1110139A1 Double acting fluid operated piston cylinder assembly
09/1981
09/30/1981EP0036538A1 Piston
09/29/1981US4291788 Cylinder head
09/22/1981CA1109366A1 Locking device for hydraulic actuator
09/15/1981US4289063 Hydraulic driving device
09/08/1981US4288793 Apparatus containing a cylinder with a displaceable piston therein and a measuring transducer arranged essentially within the cylinder
09/02/1981EP0034882A1 Rotary actuator
09/01/1981US4286559 Pneumatic diaphragm control member for a fuel injection device for internal combustion engines
09/01/1981US4286490 Force application apparatus
09/01/1981US4286386 Electro-mechanical displacement measuring device
08/1981
08/26/1981EP0034509A1 Hydraulic operating device
08/20/1981WO1981002290A1 Hydraulic cylinder with spherical bearing mount
08/19/1981EP0034069A1 Rotary actuator
08/18/1981US4284038 Reciprocating drive means
08/18/1981CA1107175A1 Fluid pressure operated cylinder assembly
08/12/1981EP0033541A1 Fluid pressure cylinder
08/11/1981US4282798 Control valve unit for hydraulic linear actuator
08/11/1981CA1106695A1 Hydraulic pumps
08/06/1981WO1981002186A1 Fluid-driven rotational device
08/04/1981US4281589 Working cylinder for pneumatic or hydraulic pressure media
08/04/1981US4281588 Reciprocating piston fluid powered motor
07/1981
07/28/1981US4280708 Sealing device for engine piston
07/28/1981CA1105840A1 Muffler for air-powered nailers and the like
07/23/1981WO1981002044A1 Locking device for fluid cylinders
07/22/1981EP0032363A1 Locking device for fluid cylinders
07/21/1981CA1105336A1 Air actuated fail-safe actuator encapsulated within an accumulator tank
07/07/1981US4276814 Safety lock for raising and lowering mechanism
07/07/1981CA1104467A1 Force limiting device for an actuator rod
06/1981
06/30/1981US4275642 Air actuated fail-safe actuator encapsulated within accumulator tank
06/23/1981US4275392 Method and apparatus for monitoring the gas volume of a hydropneumatic storage unit
06/23/1981US4274593 Movable blast pipes for jet engines
06/23/1981US4274329 Rotary actuator apparatus
06/17/1981EP0030283A1 Actuating device for a distributing valve
06/16/1981US4273031 Fluid pressure containment actuator
06/16/1981US4272959 Diaphragm breakage condition detecting device for a pressure control device
06/02/1981CA1102218A1 Cushioning device for fluid jacks
05/1981
05/28/1981WO1981001447A1 Apparatus generating a reciprocating motion
05/28/1981WO1981001440A1 Rotary actuator
05/27/1981EP0029188A2 Brake mechanism for ram cylinders without piston rod
05/26/1981CA1101960A1 Piston overtravel indicator
05/26/1981CA1101821A1 Electro-hydraulic controlled valve actuator system
05/26/1981CA1101757A1 Telescopic cylinder automatic synchronizer
05/26/1981CA1101691A1 Jack-like maneuvering and stiffening apparatus with internal locking device
05/19/1981US4267767 Position lock
05/19/1981CA1101310A1 Fluid device and method for making
05/19/1981CA1101249A1 Device for use in tightening nuts
05/05/1981US4265267 Flow control device for use with positive displacement pump
05/05/1981US4265132 Linear-rotary translator
04/1981
04/28/1981US4263841 Fluid power motor with guard cylinder
04/28/1981US4263839 Heat sensitive locking device
04/22/1981EP0027211A1 Pneumatic positioning device for sustaining at least one element, for example an aeration or deaeration screen
04/14/1981CA1099187A1 Control valve for use with variable displacement piston pump
04/07/1981CA1098779A1 Fluid pressure cylinder convertible for use with or without internal bumpers
03/1981
03/31/1981US4258614 Cylinder device
03/31/1981US4258609 Dual speed hydraulic piston assembly
03/31/1981CA1098603A1 Piston overtravel indicator
03/25/1981EP0025631A1 Piston position detector
03/24/1981US4257499 Hydraulic cartridge for improved motion control
03/24/1981US4257315 Assembly with relatively displaceable members
03/24/1981US4257314 Apparatus for improved motion control
03/24/1981CA1098143A1 Sealing device for pressure fluid cylinders
03/17/1981US4256019 Turbocharger control actuator
03/17/1981US4256017 Differential area electrohydraulic doser actuator
03/10/1981US4254920 Air shaft
03/04/1981EP0024276A1 Actuator
03/03/1981US4253379 Fluid control system
02/1981
02/17/1981US4251050 Turbocharger control actuator
02/17/1981US4250793 Cushioning device for fluid jacks
02/10/1981US4249718 Bolt tensioning device
02/10/1981US4249457 Vacuum servomotor
02/03/1981US4248138 Fail safe locking mechanism for fluid operated valve actuator
01/1981
01/28/1981EP0023120A1 Fluid-operated actuator comprising a detachably mounted fail-safe unit
01/28/1981EP0023012A2 Apparatus for the remote control of oil or gas wells
01/27/1981US4247082 Fluid jack and locking device
01/27/1981CA1094408A1 Long stroke actuation system
01/21/1981EP0022688A1 Piston and method of making it
01/21/1981EP0022644A1 Piston-rack rotary actuator
01/20/1981US4245548 Automation vertical lift unit
01/20/1981CA1094045A1 Mechanically lockable hydraulic cylinder jack
01/20/1981CA1093939A1 Locking cylinders
01/13/1981US4244627 Lift cylinder assembly
01/07/1981EP0022021A1 A hydraulic motor having a reciprocating piston
01/07/1981EP0021969A1 Brake assistance servomotor
01/06/1981US4242947 Hydraulic actuator
01/06/1981US4242946 Fluid pressure cylinder convertible for use with or without internal bumpers
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