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Patent Searching and Data


Matches 1,001 - 1,050 out of 3,875

Document Document Title
JPH07137627A
PURPOSE: To realize both of pressure intensification of electric control pressure and fail-safe against abnormality of the electric control pressure by providing a pressure intensification control mechanism between a master cylinder, an ...  
JPH0747961B2  
JPH0747444B2  
JPH07504523A  
JPH07127606A
PURPOSE: To improve the accuracy of speed control for a hydraulic actuator, reduce shock at braking time, lower the lowest value of driving force, and simplify the structure of a device. CONSTITUTION: Discharge ports of two variable disp...  
JPH07127603A
PURPOSE: To improve positioning accuracy as well as to simplify the entire structure of a device by moving a moving workpiece by using a system control ler capable of outputting data signals in compliance with control purposes of a contr...  
JPH07127602A
PURPOSE: To reduce errors occurring between a specified position at starting time and an actual stopping position so that learning control is facilitated from the second action by performing estimation control wherein control action for ...  
JPH07116804A
PURPOSE: To execute the control having very good precision by adopting a feed forward compensation in addition to a feedback control and to successively execute the oscillation control of a mold by the feed forward compensation even in t...  
JPH07116803A
PURPOSE: To enable the performance of a control having very good precision by adopting a feed forward compensation in addition to a feedback control and to successively execute the oscillating control of a mold by the feed forward compen...  
JPH07116802A
PURPOSE: To execute a stable control having very good precision by adopting a feed forward compensation and having a learning function in consideration of the difference between an aimed waveform and the actual oscillating waveform. CONS...  
JPH0736960B2  
JPH07110004A
PURPOSE: To obtain good responsiveness whether a piston rod of a servo cylinder moves in the critical direction or in the safe direction when a spool is in ordinary operation without standing at a stroke end. CONSTITUTION: When a piston ...  
JPH07110005A
PURPOSE: To quickly and accurately position a work in a target position by moving the work to a target position by means of compressed air and then positioning the work to the target position by means of a motor. CONSTITUTION: A servo cy...  
JPH07103202A
PURPOSE: To realize the optimum stability and responsiveness by generating a starting signal for such as setting response measurement or outputting a specified set value, measuring respective time differences from a reference time to the...  
JPH0729760B2  
JPH0783203A
PURPOSE: To enable abnormality to be informed to the outside as well as to enable an electropneumatic position to be safely operated in relation to abnormality of a valve opening detecting unit by switching the output of a pressure conve...  
JPH0783204A
PURPOSE: To prevent process-down by controlling an air pressure signal or a valve opening signal as an output when abnormality is generated in a current signal. CONSTITUTION: A power circuit 12 for making a circuit power source by using ...  
JPH0777155A
PURPOSE: To facilitate handling and save energy consumption by dispensing with a hydraulic source and its piping CONSTITUTION: An electric-driven motor 7 and a hydraulic volume device 2 having functions of a variable volume type hydrauli...  
JPH0771406A
PURPOSE: To maintain compatibility between a flexible motion without any shock and high positional accuracy, and provide a positioning actuator pertinent for a manufacturing facility by allowing an intermediate stop position to be accura...  
JPH0771405A
PURPOSE: To enhance the stability of the automatic stoppage of a work device at low speed by actuating the device to the side of a target position at unchanged speed without applying any automatic decelerated operation or the like, when ...  
JPH0714208U
[Objects of the Invention] Improvement in the position accuracy in a cable cylinder and shortening of positioning time are aimed at, and it can be made to perform stop position adjustment using the elasticity of the rude after-positionin...  
JPH0718441B2  
JPH0712563B2  
JPH0711149B2  
JPH078604U
[Objects of the Invention] It enables it to perform zero point adjustment of output pressure simply from the outside, without opening the casing of an electropneumatic conversion part in an electropneumatic welding positioner etc. [Eleme...  
JPH073312Y2  
JPH076899B2  
JPH076209B2  
JPH0727104A
PURPOSE: To avoid adhesion due to mixed foreign matters in a working fluid by displacing the positions of the wall faces facing toward the same direction, out of the respective wall faces confining two chambers for introducing the pressu...  
JPH072362Y2  
JPH073241B2  
JPH073242B2  
JPH06348347A
PURPOSE: To secure the closing performance of a control valve, etc., by the mechanical and structural improvement of a positioner and with no dependence on the adjustment of the positioner span. CONSTITUTION: The opening degree of a cont...  
JPH0685980U
[Objects of the Invention] It aims at providing the hydraulic actuator which can control independently opening and closing of each valve element without installing a comparison machine and a servovalve for every valve element. [Elements ...  
JPH0648806Y2  
JPH06100201B2  
JPH0684004U
[Objects of the Invention] It enables it to perform simply zero point adjustment of output pressure, and span adjustment from the outside, without opening the casing of an electropneumatic conversion part in an electropneumatic welding p...  
JPH06323302A
PURPOSE: To prevent the wrong action of load control by providing a flow control valve for controlling the supply/discharge of pressure air to/from a cylinder in a device capable of performing positioning control and load control, with b...  
JPH0689848B2  
JPH0643713Y2  
JPH0689761B2  
JPH0678602U
[Objects of the Invention] It aims at making a demand stroke small, with enabling it to use a small and lightweight position sensing device by decreasing a motion of an inputting point and telling a position sensing device. [Elements of ...  
JPH06300162A
PURPOSE: To provide a control circuit of a proportional valve for shortening a response time of the proportional valve and eliminating a DC low voltage power supply required conventionally. CONSTITUTION: In a proportional control valve 1...  
JPH0684761B2  
JPH06300005A
PURPOSE: To stop a slider accurately at a predetermined position in the middle of a cylinder stroke while preventing the slider from shock and slip to improve the life of a brake mechanism. CONSTITUTION: A piston 2 is received inside a c...  
JPH06297368A
PURPOSE: To eliminate the stationary difference without deteriorating the system stability and secure the excellent transition responsiveness and permit the positioning with high precision. CONSTITUTION: As far a controller for controlli...  
JPH06300001A
PURPOSE: To provide a hydraulic controller capable of automatic hydraulic control in a wide range and operation of an actuator with a manual operation under the automatic hydraulic control condition outside the operational range in the c...  
JPH06298187A
PURPOSE: To miniaturize an auxiliary force generating source by way of eliminating a centering spring by furnishing a locking piston to hold the other end side of a summing lever at a specified position at the time when no auxiliary forc...  
JPH0673403U
[Objects of the Invention] While attaching to other apparatus simple is possible, an installing space should not be restrained, and be suitable for a miniaturization and provide a cheap welding positioner. [Elements of the Invention] Wel...  
JPH06263045A
PURPOSE: To improve durability in a head part having a spline by arranging a pair of projecting pieces to sandwich projections of a spool between them, and installing a pin in a position opposed to a sleeve pin fitting recessed groove of...  

Matches 1,001 - 1,050 out of 3,875