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Patent Searching and Data


Matches 251 - 300 out of 911

Document Document Title
WO1996022466A3  
WO/1996/023996A1
A pressure reduction valve for reducing the pressure in double-acting, closed hydraulic systems when they are not attended. The valve comprises a valve housing (1) with a boring (6), whose ends communicate with the respective circuits, a...  
WO/1996/022466A2
A hydraulic actuator (10) which controls the operation of a cylinder valve having a valve seat (11), and a valve element (12) which is linearly reciprocable between open and closed positions with respect to valve seat (11), a valve seal ...  
WO/1996/012108A1
Hydraulic operating device, in particular for the operation of a selector fork (40) of a gearbox, and gearbox provided with such an operating device. The device comprises a double-acting cylinder (1), which is coupled to the selector for...  
WO/1995/028588A1
A precompression valve for a hydraulic clutch actuating device in a motor vehicle has a first union (3) for a master cylinder and a second union (4) for a slave cylinder, in which, in the event of a pressure drop from the first (3) to th...  
WO/1995/028589A1
To fill a vehicle's hydraulic clutch actuator with hydraulic fluid, the actuator's pressure valve has a holding device that keeps a closure body (21) at a distance from its closure seat (19). To ensure repeated use of the holding device,...  
WO/1995/014174A1
A device for double-acting hydraulic systems with a slave cylinder (1) and a master cylinder (72) whose piston (76) can be moved to a position, wherein fluid can flow both ways between a master cylinder space (73, 74) and a reservoir (92...  
WO/1995/011139A1
A vehicle convertible top (16) is moved by hydraulic cylinders (29) between extreme raised and lowered positions. The cylinder ends are connected (26, 28) to ports (60, 60') in a reversible hydraulic pump (36) in one end of an elongated ...  
WO/1995/008715A1
The present invention relates to a hydraulic supply device for a double acting cylinder (1) comprising an electrohydraulic generator (5) supplying oil under pressure to the cylinder (1) through a line (15) and a distributor unit (12), ch...  
WO/1993/014963A1
A hydraulic master cylinder and reservoir assembly having a master cylinder body (11) with a fluid reservoir (12), and a master cylinder bore (18) with a piston assembly (35) sealingly reciprocal within the bore. The fluid reservoir (12)...  
WO/1992/008914A1
A gear shift device for gearboxes for vehicles, comprising at least one pair of mutually connected, double-acting hydraulic cylinders (1, 2), where the pair consists of a master cylinder (1) and a slave cylinder (21). The master cylinder...  
WO/1992/002732A1
The invention concerns a master cylinder for hydraulic systems, in particular brake systems. The aim of the invention is to reduce the return stroke of the piston (3) conditioned by a compensation aperture (7) in the cylinder wall (1). T...  
WO/1992/002107A1
An actuator having a linear current force characteristic comprises a moving coil transducer and a hydraulic lever. The moving coil (9) is capable of producing only a relatively low force but with a relatively large displacement. The coil...  
WO/1992/000460A1
Described is a device for driving a tool in the longitudinal direction to carry out an oscillatory back-and-forth motion, the tool working with high efficiency at high oscillation frequencies and being usable as an easy-to-handle hand to...  
WO/1991/011621A1
The master cylinder comprises a body (10) formed with a bore (13), a piston (19) slidable in the bore to discharge hydraulic working fluid from the bore and an annular reservoir (17) for communication with the bore (13) and which is conc...  
WO/1990/000994A1
Master and slave cylinders (10, 45) are provided interconnected by a conduit (46). The master cylinder (10) includes a piston (19) movable in a cylinder (11) which defines a pressure chamber (82) arranged to be placed under pressure by t...  
WO/1989/011040A1
The actuator comprises a clutch pedal lever (12) which is pivotally connected to a support (17). The pedal is integral with a cylinder (18) having a piston (20) therein which is connected to a hollow pushrod (28). The pushrod is also piv...  
WO/1989/002813A1
In a device for fastening perforating rules or blades on rolls (perforating cylinders) in printing machines, the perforating cylinder (26) has at least one receiver groove (25) for a perforating rule (11) in which a clamping strip (10) p...  
WO/1988/009734A1
The hydraulic actuator comprises a hydraulic master cylinder (12) having an outlet (12e) for connection to a slave cylinder (14) through a working fluid conduit (15) and an inlet port (12d) for connection to the outlet port (23) of a res...  
WO/1988/008801A1
The assembly comprises a piston (18) made of plastics material and which is slidable axially in a cylinder (16). The piston has an axially extending socket (18f) in an end thereof made of metallic material which locates a piston rod (21).  
WO/1988/008800A1
A master cylinder (12) includes a piston (30) slidable within a pressure chamber (28b) and a valve assembly (36) for permitting an inhibiting communication between the pressure chamber (28b) and a reservoir. The valve assembly (36) inclu...  
WO/1988/002322A1
The device comprises a manipulator (148) of which the body (149) houses position-emitting deformable pockets (155-157) connected each by means of a hydraulic circuit corresponding to a deformable pocket-type position receiver (130-132, 1...  
WO/1987/007927A1
Fluid transmission with primary working cylinders (1, 2) and secondary working cylinders (3, 4) in which are arranged working pistons (6, 7, 8, 9) that effect translatory movements. The working cylinders are connected in pairs via pressu...  
WO/1987/003850A1
A hydraulic master cylinder (10) formed by telescopically fastening together a pair of cylinder housings (30, 34) to form a cylinder. A piston (64) in the cylinder is operative to transfer hydraulic fluid to a slave cylinder (15) connect...  
WO/1985/000148A1
Hydraulic power transmission device (1) adapted to form part of a control system at which the pressure of a hydraulic fluid (6) is controlled at one or more points of the control system by fluid pressure actuated members and in which cha...  
WO/1985/000203A1
A valve system for gas or liquid, comprising a hydraulic power transmission (19) where the pressure of hydraulic fluid is controlled by fluid pressure actuated members (15) and the changes of the fluid pressure actuate operative members ...  
WO/1984/002302A1
Movable link device with a plurality of freedom degrees between a carrier element (manipulator arm or the like) and a carried element (tool, and particularly gripping tool). The device comprises a support frame (1) adapted to be secured ...  
WO/1983/003643A1
a) Hydraulic servo motor comprising a jack (1, 14) intended to be connected by its rod (31, 32, 151) to a moving member to be displaced and accurately positioned, said jack being completely filled with liquid; b) servo motor characterize...  
WO/1981/000599A1
A hydraulic circuit (32), for example, remotely controls a work element (14) and contains first apparatus (34), such as a master cylinder (42), which passes a fluid signal through a first or second fluid pathway (38, 40) in response to a...  
JP6511010B2  
JP2019510938A
[Subject] Provide an oil pressure work occupancy device. [Means for Solution] A ball elbow mechanism which is an oil pressure work occupancy device and is connected with an oil pressure formation mechanism and an output element at an oil...  
JP6448764B2  
JP2018173131A
To provide a position control device, etc. capable of improving accuracy of a minute displacement of a piston position of a hydraulic cylinder.A position control device comprises a hydraulic oil supply part 1 for supplying hydraulic oil ...  
JP6261715B2  
JP2017203504A
To provide an actuator device capable of locating with high accuracy.An actuator device 10 comprises: a piston 21 accommodated in an interior space to form a pair of pressure chambers 24 and 25 together with a cylinder 20 and move relati...  
JP2017531769A
It is the industrial system provided with the amount fluid operation machinery of synthetic rectification type variable discharge. An injection molding system, a waterjet cutting machine, or other industrial systems, It has the amount fl...  
JP2017529496A
A fluid pressure type actuator is provided with the following. A fluid pressure type driving cylinder which has especially a drive piston, A fluid pressure type output cylinder hydrodynamically combined with the driving cylinder concerne...  
JP6178716B2  
JP6000444B2  
JP2016516950A
The present invention relates to the actuator device provided with the drive unit (3) and the driven unit (19). A driven unit (19) contains the 1st advancing-side-by-side unit (15) provided with the 1st driven device (7), and the 2nd adv...  
JP5886621B2  
JP2015117805A
To provide a single rod cylinder drive system capable of controlling a shrinkage speed of a single rod cylinder in a case in which a differential circuit is constituted during expansion and the single rod cylinder operates reversely duri...  
JP2015515595A
The present invention relates to the actuator device (10) provided with the fluid pressure actuator (12) for generating a straight-line motion, and the above-mentioned actuator (12) is, It has the 1st piston member (14) for operating the...  
JP5129643B2  
JP5126947B2  
JP2012247040A
To provide a driving system of high energy efficiency, capable of restraining a facility cost from getting high, by utilizing an existing facility at the maximum.An air cylinder 10 is stored with a piston 102 in an inside of a cylinder 1...  
JP4986165B2  
JP2012137161A
To provide an actuator which can achieve miniaturization and weight-reduction while exhibiting performance equal to that of a hydraulic cylinder.The actuator includes a rotary shaft 4 inserted into a closing part 23 for closing a bore 20...  
JP4976994B2
To provide a hydraulic system and a food processing apparatus capable of decreasing energy consumption and reducing a load to an environment. This hydraulic system includes: a compressor 23 driven by a hydraulic actuator 24; a heat pump ...  
JP4977470B2  

Matches 251 - 300 out of 911