Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 451 - 500 out of 922

Document Document Title
JPH10184605A
To provide a static pressure transmission gear capable of being driven with high repeatable accuracy to eliminate an overload. An enclosed hydraulic circuit is provided having a consumption part connected to a reversible hydraulic pump b...  
JPH10141303A
To secure required fluid pressure at all times by automatically compensating a fluid pressure circuit for the working fluid pressure loss as required or periodically. A cylinder device 70 for compensating oil pressure loss is provided in...  
JP2736336B2  
JPH109202A
To machine steel materials or the like of small size. A bending device 1 is made up of a pump unit 3, a bender unit 5, and a connecting pipe 6 for connecting both the units 3, 5. The pump unit 3 is set to an operating device 2 so that it...  
JPH09177667A
To change the capacity of a hydraulic tank according to the surplus flow rate or insufficient flow rate used of a fluid pressure actuator. A hydraulic package is constituted such that a driving motor 2 and a hydraulic tank 10 are dispose...  
JPH09170601A
To solve the problem that the pressure of the suction part of a hydraulic pump is dropped unusually, cavitation is generated and the generation of a noise and the destruction of the hydraulic pump are brought, when the rotational speed a...  
JPH09166101A
To perform non-smooth operation of a hydraulic actuator due to abnormal reduction of a circuit pressure during movement of an object when an object having high inertia is moved from a stop state by the hydraulic actuator. A hydraulic cir...  
JPH09505132A
(57) It has a summary 従動 cylinder (1) and a master cylinder (72), Equipment for the double-acting fluid pressure system which can move the piston (76) of a master cylinder to the position in which fluid can flow into both directions ...  
JPH0988906A
To provide a liquid hydraulic drive device with a flywheel being small and light weight, with enough endurance against the variation of load and capable of being controlled easily and accurately. An electric motor is connected directly w...  
JPH0976996A
To provide a hydraulic circuit for a tilting device of a ship propulsion machine capable of suppressing descending of a piston caused by the biting of foreign matter in a valve. Two hydraulic passages 15, 16 are connected to a hydraulic ...  
JPH0930267A
To save the number of set up equipment items so as to attain compactness of a device total unit, by skillfully combining a pump, flow pipe, electrically operated valve and a check valve. A compression side is replaced with a suction side...  
JP2534420B2  
JPH08230638A
PURPOSE: To provide a brake control actuator or throttle control actuator for which compatibility between a performance phase of controllability and responsiveness and the cost phase of low price setting, etc., shall be attempted. CONSTI...  
JPH08226405A
To compensate fluid pressure losses in a closed system and fill a closed system by an ordinary filling device. A piston 1 of a working cylinder slides in a casing 2 to divide the casing into two working chambers 3, 4 containing a hydraul...  
JPH08219103A
PURPOSE: To vary the moving amount and moving term of a drive action of a drive device by a cam simultaneously. CONSTITUTION: An oil pressure is generated by a send cam 1 and a return cam 4. This oil pressure is controlled by a feed oil ...  
JPH08128404A
PURPOSE: To provide a fluid pressure device capable of quickly transmitting change of pressurization in relation to pressurizing force to a work, and having its smooth operation. CONSTITUTION: A circuit 48 is constituted of an action par...  
JPH08104226A
PURPOSE: To shorten a time delay required for a pressure rise of fluid in the second fluid pressure chamber, in the case of failure in the first fluid pressure chamber. CONSTITUTION: A stop part 38 stopping advancing a small diametric pi...  
JPH0829799B2  
JPH0813489B2  
JPH0821405A
PURPOSE: To enlarge displacement at an output end in respect to an input end by pushing the input end of a vessel, increasing volume fluctuation through buckling of an input chamber inward, and discharging fluid or soft material inside t...  
JPH0814204A
PURPOSE: To provide a method for simple easy air bleeding when hydraulic oil is filled in a circuit in a hydraulic power unit equipped with a manual pump. CONSTITUTION: A hydraulic power unit has a switching valve 13 in the vicinity of a...  
JPH0796881B2  
JPH07167327A
PURPOSE: To improve efficiency in a mechanism which is used for an actuator in which a magnetostrictive material and the like are used, liquid is used as displacement transmitting medium between a displacement generating material and an ...  
JPH0760219B2  
JPH0734201U
[Objects of the Invention] The temperature of the hydraulic fluid with which the closed circuit is filled up changes, and thermal expansion or even when carrying out heat contraction, the temperature compensating valve in the liquid pres...  
JPH07502952A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH0721283B2  
JPH0742199A
PURPOSE: To improve the working accuracy of an excavator by making the difference between the total amount of operating oil necessary to operate hydraulic actuators and the amounts of discharge flows of hydraulic pumps controllable to th...  
JPH0726591A
PURPOSE: To improve the workability of a hydraulic working machine by making the operating speed and speed ratio of the working machine coincident with the manipulated variable and operation ratio of an operation command section. CONSTIT...  
JPH0720026A
PURPOSE: To provide a compression tester which can calculate and display the increase of a compressive load and moving amount of a pressing piston by driving a main cylinder which compresses a test piece by means of a small- diameter ram...  
JPH0676196U
[Objects of the Invention] The injection work nature of clutch oil is improved by providing the pouring device excellent in the portability which uses as a power supply the battery carried in vehicles. [Elements of the Invention] Pump 2 ...  
JPH0656162B2  
JPH0654123B2  
JPH0652081B2  
JPH0620881Y2  
JPH06148529A
PURPOSE: To provide the maicro-manipulator from which an operator and a controller can be separated easily. CONSTITUTION: A micro-manipulator comprises an operator A to perform micro- operation by a needle 12, a controller B to convert a...  
JPH0613004Y2  
JPH06502478A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH06500848A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH05509053A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH05321903A
PURPOSE: To perform remote operation by small operation force regardless of the magnitude of a load and the distance-between a driving section and driven section. CONSTITUTION: A driving section A is provided with a servo valve piston 1 ...  
JPH05288160A
PURPOSE: To provide a hydraulic actuating apparatus for avoiding the disadvantages of conventional technology, which is capable of continuing the normal hydraulic operation in the event of failure of a motor driven pump in a particularly...  
JPH05507428A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH05263802A
PURPOSE: To enable an output section to be continuously rotated by forming a space consisting of two sections the inner diameters of whose inner walls are large and small respectively, providing pressurized oil supply/empty ports at both...  
JPH05223180A
PURPOSE: To ensure accurate return movement of a second member regardless of expansion of the hydraulic fluid in a system where the movement of a first member is translated through fluid in a fluid chamber to movement of the second membe...  
JPH0553584B2  
JPH05187404A
PURPOSE: To provide a compact stroke cylinder device adapted to be used as operating physical force transmitting mechanical element which increases and decreases the stroke of a cylinder or changes the direction thereof so as to coaxiall...  
JPH0531001B2  
JPH057561B2  
JPH0510303A
PURPOSE: To control the movement of a large piston, a powered pushing rod of a piston set and a magnetic permeable metal sheet, to obtain a reciprocating mechanism and an intensified pushing process, and to reduce noise by means of the m...  

Matches 451 - 500 out of 922