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JPH0414643Y2 |
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JPH0420082B2 |
A fluid servomechanism has a first actuator driven by fluid, a second actuator, and a pressure generator for generating pressure corresponding to the difference in displacement between output shafts of the first and the second actuators....
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JPH0413441Y2 |
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JPH0419401B2 |
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JPH0413442Y2 |
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JPH0418161B2 |
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JPH0418163B2 |
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JPH0418164B2 |
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JPH0418162B2 |
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JPH0418165B2 |
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JPH0417282B2 |
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JPH0417281B2 |
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JPH0416647B2 |
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JPH0481390A |
PURPOSE: To improve the reliability in steering by constituting an aimed steering angle signal generating means so that the output signal of a rotary encoder for detecting the revolution direction and revolution quantity of a steering wh...
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JPH0473411A |
PURPOSE: To realize reliable fail safe without influence during a normal operation by providing a spring on a plunger at its side opposite to a sliding member, which plunger is slidably arranged on one end of the sliding member, enabling...
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JPH047875Y2 |
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JPH047876Y2 |
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JPH0454304A |
PURPOSE: To shear biting of dust or the like by a holding force of a lock mechanism and improve the reliability by holding a play motion part of a floating link by a lock mechanism movable in the motion direction of a spool of a control ...
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JPH048643B2 |
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JPH048641B2 |
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JPH048642B2 |
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JPH0413801U |
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JPH0413506U |
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JPH0411903U |
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JPH0422600A |
PURPOSE: To control the position with high accuracy by detecting the position of a ram by a position detector and comparing the feedback quantity from the position detector with a position set value by a controller when the ram reciproca...
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JPH048801U |
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JPH0419402A |
PURPOSE: To suppress the influence of the vibration of a piping system to improve the vibrationproofness by feedback-supplying the electric signal which is obtained by the conversion of the displacement quantity of the working shaft of a...
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JPH0415307A |
PURPOSE: To ensure the safety of a system by providing a stopper in a part of a controlled variable input system, which can be on-off operated from the outside in such a manner that the operation range of a servo spool is regulated to ke...
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JPH048904A |
PURPOSE: To correct the stop position, minimize the size, lighten the weight and increase output of the rotary type air cylinder in a rotary type air cylinder by converting torque of a vane by supplied compressed air to thrust or tensile...
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JPH044301A |
PURPOSE: To carry out an operation such as positioning in a high speed and a high accuracy by making a time constant in which driving forces vary with driving signals smaller than a time constant in which opening quantities vary with cha...
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JPH041702U |
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JPH044302A |
PURPOSE: To take an action such as positioning in a high speed and a high accuracy by suppressing influence of friction force applied to acting members by means of an external disturbing force compensating member, suppressing influence o...
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JPH041A |
PURPOSE: To prevent deterioration in responsiveness and stability to be caused by disturbance or the like in a control device such as an actuator in a fluid motor, by adding deviation between a target position signal and a position senso...
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JPH042A |
PURPOSE: To downsize a power conversion device, prevent errorneous operation, and simplify wiring and piping by providing any of functions of computing, memorizing, program execution, signal input, transferring signals between actuators,...
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JPH0381002B2 |
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JPH0381001B2 |
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JPH03288001A |
PURPOSE: To compensate zero drift due to wear so as to maintain characteristics by detecting degree of opening of a control valve, confirming actual zero or 100% position condition of the valve, and compensating zero point of output of d...
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JPH0378481B2 |
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JPH0378482B2 |
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JPH03272302A |
PURPOSE: To improve stop position setting accuracy and the duration of life by connecting a cam shaft, rotated by the movement of a slide shaft connected to a piston rod, to the feedback shaft of a servo valve, and providing a variable t...
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JPH03272305A |
PURPOSE: To improve stop position setting accuracy and shorten control time by connecting the pressure passage of an input shaft, rotatably fitted into a feedback shaft, to one of the oil passages of an actuator, and providing a throttle...
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JPH03272303A |
PURPOSE: To improve stop position setting accuracy and duration of life and shorten control time by accommodating an input shaft rotatably in the feedback shaft of a servo valve rotated by the movement of a piston rod, and throttling the...
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JPH0372841B2 |
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JPH0371563B2 |
An actuator for moving a valve or other controlled part in correspondence with variations in an input signal and including a piston movable in opposite directions within a cylinder and having a smaller effective area exposed to fluid in ...
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JPH03249406A |
PURPOSE: To receive a control signal between each actuator, so as to expedite and ensure energizing/extinguishing for a distributed process controller of plural actuators arranged by providing a means for temporarily or constantly retain...
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JPH03249416A |
PURPOSE: To suppress leakage to a minimum level required by providing a valve body that responds to the difference in pressure between a pair of fluid chambers on an orifice route provided between the respective fluid chambers, and by pr...
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JPH03249403A |
PURPOSE: To expedite and ensure energizing/extinguishing control by furnishing a valve mechanism that controls fluid pressure of an actuator with either calculating function, program retaining function, or program executing function, and...
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JPH03249401A |
PURPOSE: To achieve high speed and high accuracy at the time of positioning for a certain aimed position by using estimated or measured disturbance force to an operational part so as to perform disturbance compensation, and by integratin...
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JPH03249409A |
PURPOSE: To receive a control signal between each actuator so as to expedite and ensure energizing/extinguishing control by providing a means that can be increased or decreased on a network, or a branch or a connection device that can be...
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JPH03249402A |
PURPOSE: To achieve high speed and high accuracy at the time of positioning for a certain aimed position by using estimated or measured disturbance to an operational part so as to perform compensation of feed-forward disturbance, and by ...
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