Patents for F15B 15 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith (21,171)
06/1988
06/08/1988EP0270463A1 Hydraulic or pneumatic actuator of which the movable translation element is prevented from rotation about its longitudinal axis
06/08/1988EP0269905A2 Lifting cylinder unit
06/08/1988EP0269662A1 Hydraulic cylinder with piston and with a magnetic device for piston position determination
06/07/1988US4749936 Power transmission
06/07/1988US4748899 Dual-pressure jack
06/07/1988US4748866 Linear helical actuator
06/07/1988CA1237749A1 Brake cylinder/air reservoir device
06/01/1988EP0269091A2 Hydraulic cylinder actuator
06/01/1988EP0268699A1 Reversible plough with a device for the continuous adjustment of the angle of inclination
06/01/1988EP0268666A1 Piston-and-cylinder arrangement with radially-yieldable piston head.
05/1988
05/31/1988US4747614 Hydraulic cylinder mechanism
05/31/1988US4747576 Flow control valve
05/31/1988US4747337 Rotary fluid cylinders for operating chucks
05/31/1988CA1237360A1 Hydraulic piston and cylinder arrangement in which the outer wall of the piston rod is free from fluid
05/26/1988DE3738151A1 Kolbenpositionsdetektor fuer druckmittelzylinder Piston position detector for medium pressure cylinder
05/26/1988DE3638730A1 Device for transferring, intensifying and transmitting a pressure
05/26/1988DE3638604A1 Fluidic system with volume flow measuring arrangement
05/25/1988EP0268030A2 Potentiometer or adjustable resistorce
05/24/1988US4745847 Helical splined rotary actuator
05/19/1988WO1988003609A1 Pneumatic or hydraulic cylinder with built-in velocity control
05/19/1988DE3639121A1 Device for converting a stroke movement into a rotary movement
05/17/1988US4744287 Rodless cylinder
05/11/1988EP0266702A1 Rotational working cylinder
05/11/1988EP0266657A2 Control device
05/11/1988EP0266606A2 Position determining apparatus
05/11/1988DE3636871A1 Piston/cylinder unit with position indicator
05/10/1988US4742849 Angled pneumatic connection including means for regulating a one-way flow
05/10/1988US4742758 Self-locking, fluid operated actuator
05/10/1988CA1236344A1 Nitrogen die cylinder
05/05/1988WO1988003008A1 Motorised joint
05/05/1988DE3635694A1 Sealing arrangement for a drive rod as well as an electrohydraulic actuating drive with such a drive rod
05/04/1988CN86104051A Hydrautic operating mechanism
05/03/1988US4742194 Device for producing an electric signal indicative of pressure in a fluid system
05/03/1988US4741252 Diaphragm of the rolling type having a membrane portion and a reinforcing portion
05/03/1988US4741250 Fluid-power device using rollers
05/03/1988US4741246 Stage selectable telescopic cylinder assembly
04/1988
04/27/1988EP0264682A2 Piston-cylinder-aggregate
04/26/1988US4739695 Fluid-pressure-operable actuator systems
04/26/1988US4739692 Liquid contractility actuator
04/21/1988WO1988002720A1 Hinge line flight actuator
04/21/1988DE3635390A1 Hydraulic cylinder
04/21/1988DE3635042A1 Hydraulic or pneumatic cylinder for mainly large idle travel and smaller working travel
04/21/1988DE3634730A1 Working cylinder, in particular pneumatic cylinder for components of automatic handling machines
04/20/1988CN85102322B Slide-like driving means
04/19/1988US4738415 Hinge line flight actuator
04/19/1988US4738107 Device in an actuator for elevation adjustment of work stations
04/19/1988CA1235360A1 Drive mechanism for transmitting force and motion along a path
04/13/1988EP0263215A1 Rodless cylinder
04/13/1988EP0263115A1 Measuring element for hydraulic systems
04/13/1988EP0263113A1 Rotating hydraulic cylinder actuator utilizing rotation generated centrifugal head for piston positioning
04/13/1988CN87107075A Air-driven flexible cylinder with bending and torsion knuckle
04/13/1988CN87104576A Multi-cavity isopiestically sealed cylinder with suspended piston
04/12/1988US4736675 Piston rotation preventing guide rod in cylinder tie rod opening
04/12/1988US4736674 Abutment arrangement and position detector for a piston and cylinder actuator
04/07/1988DE3632355A1 Pressure-medium-actuated multi-position cylinder
04/05/1988US4735127 Device for controlling the displacement of a moving member such as a flap in an installation for heating and ventilating or for air conditioning a motor vehicle
04/05/1988US4735047 Piston rodless working cylinder
04/05/1988CA1234751A1 Self actuating locking and unlocking arrangement and method for reciprocating piston type actuator
04/05/1988CA1234750A1 Oilfield closing device operating system
03/1988
03/31/1988DE3632807A1 Diaphragm actuating drive
03/30/1988EP0261949A2 Diaphram for a fluid pressure motor and method of making such a diaphragm
03/30/1988EP0261721A2 Hydraulic or pneumatic drive device
03/29/1988US4733687 Valve actuator for slide exhaust brake systems
03/29/1988US4733604 Axially slit pressure cylinder with reinforced sealing strip
03/29/1988US4733603 Axially contractable actuator
03/23/1988EP0260344A2 Pressure fluid cylinder
03/23/1988CN86105903A Automatic cylinder and supercharger of fluid
03/22/1988CA1234332A1 Fluid actuated ram assembly
03/16/1988EP0259901A2 Drive/frame assembly for a reciprocating floor
03/16/1988EP0259900A2 Combined linear hydraulic motor and transfer valve
03/10/1988WO1988001698A1 Fluid operable devices
03/10/1988WO1988000295A3 Fluid-power device with rollers
03/10/1988DE3629677A1 Device for locking the piston of a piston/cylinder arrangement
03/09/1988EP0258712A2 Lightweight linear hydraulic actuator
03/09/1988EP0258656A1 Telescopic device
03/09/1988EP0258557A1 Mandrel provided with angular indexable jaws
03/09/1988EP0258279A1 Ram cylinder with an electric sensor for the end position of the piston.
03/08/1988US4729290 Fluid pressure actuated spring brake cylinder
03/08/1988US4729283 Valve for use with hydraulic ram assemblies
03/03/1988DE3628278A1 Pressure cylinder having a digital displacement (position) measuring system
03/02/1988EP0258195A1 Device in pneumatic cylinderpiston arrangements
03/01/1988US4728921 Position indicator for an actuating drive
03/01/1988CA1233421A1 Hoisting apparatus
02/1988
02/25/1988DE3627695A1 Electrohydraulic switching device
02/24/1988EP0256208A2 Proximity switch assembly
02/24/1988CN86207117U Hydraulic pressure vibration servo oil tank
02/23/1988US4726284 Hydraulic cylinder
02/23/1988US4726283 Slide cylinder
02/23/1988US4726282 Fixture cylinder with proximity switches mounted on end caps without spacers
02/23/1988US4726281 Hydraulic cylinder
02/17/1988EP0255819A1 Flow medium cylinder with rapid resetting capability.
02/16/1988US4724744 Carrier bracket for power cylinder
02/16/1988CA1232773A1 Adhesive joint for diaphragm to sensor connection in pressure transducers
02/09/1988US4723503 Robotic control apparatus
02/04/1988DE3623117A1 Cylinder/pump standard component operated by hydraulic (pressure) fluid
01/1988
01/27/1988EP0253852A1 Hydraulic rotary actuator utilizing rotation generated centrifugal head
01/26/1988US4721030 Hyperboloid of revolution fluid-driven tension actuators and method of making
01/20/1988EP0253044A2 A precompressed spring structure
01/19/1988US4719978 Earth drilling device
01/19/1988US4719847 Fluid pressure operated motor with positive locating device