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Patent Searching and Data


Matches 901 - 950 out of 2,899

Document Document Title
JPH05133405A
PURPOSE: To simplify and thus realizing a compact structure by, in a fluid rotary actuator controlled by a spool valve, disposing a valve spool in an internal chamber of a rotation output shaft rotatably supported in a main body having a...  
JPH05131918A
PURPOSE: To minimize the ineffective operation of a pneumatic brakebooster, to make the jump adjustable to a desired value from outside after assembling the booster and to enable the brakebooster to operate quietly. CONSTITUTION: A first...  
JPH0520881Y2  
JPH05127752A
PURPOSE:To secure excellent electric insulation performance and explosion-proof performance without using any electric signal nor increasing the size of the equipment of a detection part. CONSTITUTION:This position detecting method detec...  
JPH0537006U
[Purpose] Provided is a horizontal control device capable of horizontally controlling the working part without providing a sensor for detecting the inclination angle of the working part on the working part side. [Constitution] In a work ...  
JPH05118302A
PURPOSE: To provide a controller for a servomotor, which uses a speed feed- forward, which can suppress to the utmost the influence of a positional deviation caused by a time lag in a system on and after a servodriver, and which conseque...  
JPH05106603A
PURPOSE: To cause the exhibition of a fine control resolving power by disposing a reduction gear between the stepping motor and the servo valve in the rotary hydraulic actuator to which the operating angle of the stepping motor is inputt...  
JPH05104299A
PURPOSE: To accurately control the hydraulic pressure of the actuator of pressurizing cylinder, etc., of the hydraulic press in this invention. CONSTITUTION: In order to control the actuator of the pressurizing cylinder 2, etc., of the h...  
JPH0531508U
[Purpose] To provide a tractor work machine control device that can correctly set the work state setting control reference value regardless of the mounting accuracy of the sensor on the work machine and the model of the ground work machi...  
JPH05106608A
PURPOSE: To provide a control circuit permitting no energy loss such as pressure loss to occur even when the speed of or the supply pressure for the actuator is controlled. CONSTITUTION: In a hydraulic circuit for a power shovel, each of...  
JPH0515505Y2  
JPH0526041B2
A coil assembly including primary coils (A1-D1) disposed at predetermined locations axially spaced from one another and secondary coils (A2-D2) corresponding to these primary coils is fixed at one end of a cylinder (1). A piston rod (21)...  
JPH0571508A
PURPOSE: To provide a gas pressure servo-system having a satisfactory dynamic characteristic with less consumption power. CONSTITUTION: In a gas pressure servo system having at least one servo valve and a gas pressure cylinder, a high pr...  
JPH0511356Y2  
JPH0560101A
PURPOSE: To prevent easily come-and-go of an output member between positive and negative operation ranges over the border position by an operational mistake of an operator. CONSTITUTION: When a pintle 1 is advanced from a positive operat...  
JPH0560103A
PURPOSE: To perform stable opening and closing operation of a valve and also to reduce noise generation by magnetizing a solenoid quickly at the start of supplying a steady state magnetizing current through utilizing counter electromotiv...  
JPH0552202A
PURPOSE: To provide an inexpensive, applicable hydraulic servo device which has a simple structure to be easily applied to existing facilities and serves high-speed performance, high precision and high response. CONSTITUTION: Servo valve...  
JPH058322Y2  
JPH0512703U
[Purpose] A positioning control circuit that is not easily affected by the operating condition of the electromagnetic switching valve and the difference in piston operation, and that the pulse voltage of a certain OFF time ratio is not c...  
JPH0512704U
[Purpose] It is not easily affected by the operating condition of the electromagnetic switching valve and the difference in piston operation, and the higher the deviation value, the faster it turns off, and while maintaining a constant d...  
JPH0510158B2  
JPH059643B2  
JPH059642B2
Disclosed is an arrangement that includes a piston cylinder unit having pressure chamber in which fluid acts in opposition to a spring piston combination, a pressure generator and a fluid conduit extending between a tank and the tank. A ...  
JPH059641B2  
JPH0526203A
PURPOSE: To reduce a manufacturing cost of a device and improve accuracy, of controlling by dispensing with an adjustment operation of parts which usually requires adjusting. CONSTITUTION: A flow rate setting control part 30 sends contro...  
JPH057562B2  
JPH057563B2  
JPH053721Y2  
JPH04370404A
PURPOSE: To stably control the action of a hydraulic cylinder. CONSTITUTION: A pressure compensation circuit 16 outputs control signals to control a serve valve 13 so that a load pressure may become equal to the objective pressure value....  
JPH04361830A
PURPOSE: To facilitate adjustment of a control valve for controlling oil quantity supplied into a hydraulic cylinder for driving a ram. CONSTITUTION: A digital ram control part 200 is constituted with a fuzzy control part 210 providing a...  
JPH04357302A
PURPOSE: To provide a control device for a hydraulic actuator by taking advantages of the excellences of a high-speed solenoid valve, which improves a positioning accuracy of the hydraulic actuator. CONSTITUTION: There are provided first...  
JPH04507066A
PCT No. PCT/DE90/00319 Sec. 371 Date Jan. 7, 1992 Sec. 102(e) Date Jan. 7, 1992 PCT Filed May 4, 1990 PCT Pub. No. WO90/13747 PCT Pub. Date Nov. 15, 1990.A hydraulic drive (10) for the adjustment, feed and return movements of a tool head...  
JPH0451534Y2  
JPH04506693A
A novel digital servo valve system for use in displacing an actuator is capable of operating either in closed or open loop mode. The system includes a controller that compares computed values of actuator parameters with preselected param...  
JPH0448326Y2  
JPH0468481B2  
JPH04306194A
PURPOSE: To miniaturize and lighten a steering device for a flying object and to enhance the reliability of the device by providing a first lock gear to the rotary shaft of a steering servo motor, and providing a second lock gear on the ...  
JPH04300147A
PURPOSE: To provide a small-sized and effective positioning device capable of accurately positioning of a power receiving device at any angle of rotation and a high clock frequency. CONSTITUTION: An angle position sensor 7 including an a...  
JPH04300401A
PURPOSE: To provide a multi-channel type hydraulic control system which is highly reliable and extremely precise through a random access function provided by a multiplexer. CONSTITUTION: A multiplexed hydraulic control system comprises a...  
JPH0465242B2  
JPH0465241B2  
JPH0465243B2  
JPH0463243B2  
JPH0463242B2  
JPH0442561Y2  
JPH04282002A
PURPOSE: To improve the responsiveness and the stability by providing a plurality of through holes in a center wall partitioning to form the first and the second pressure chambers in a contracting mechanism to supply the driving pressure...  
JPH04109201U  
JPH0440005Y2  
JPH0440007Y2  
JPH0440001Y2  

Matches 901 - 950 out of 2,899