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JPH01238705A |
PURPOSE: To make it possible to stop an outer travelling body in an optional intermediate position by making a brake mechanism of a speed reducing means, a stopping means, and a control means, and providing a braking piece for the outer ...
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JPH01229103A |
PURPOSE: To make it possible to continue the drive of a operated body by parallelly connecting the operating portion of a hydraulic cylinder to the operated body, providing a pressure compensator in a return pipe and providing an inopera...
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JPH01133501U |
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JPH01216101A |
PURPOSE: To substantially make the steady-state position deviation zero by a method wherein an external force fluctuation compensating control system device which compensates the external force fluctuation functioning to a piston is prov...
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JPH01210601A |
PURPOSE: To reduce cost and weight by arranging open/close valves and pressure detecting means between pressure adjusting means and elastic shrinking bodies, and computing shrinkage amounts of the elastic shrinking bodies according to th...
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JPH0126162Y2 |
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JPH0126161Y2 |
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JPH01188704A |
PURPOSE: To construct the whole servo cylinder in a small size by feedbacking the moving volume of a piston to the valve body of a valve device via a screw shaft for feedback. CONSTITUTION: A nut 8 for feedback is provided at a piston 3,...
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JPH01188703A |
PURPOSE: To make it possible to use compressible fluid in small pressure as operating medium by switching both side pistons in a cylinder as a pressure changing chamber by means of four poppet valves, intensifying one of pressure changin...
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JPH0124402Y2 |
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JPH0132367B2 |
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JPH01162346A |
PURPOSE:To surely convey carriers by a method wherein the title device is constituted in such a structure that a plurality of the carriers are arranged in a guide of a square form and a plurality of these carriers are circulated and tran...
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JPH0131018B2 |
A vacuum responsive switch for detecting a failure in creation of a control vacuum within the control diaphragm chamber. A solenoid valve is provided which functions to equalize pressure within one of a power diaphragm chamber and a leak...
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JPH01501813A |
The present invention provides a circuit for obtaining higher accuracy and total system response for complex mechanical impedance loads, such as earthquake simulators, and in particular to compensate for limitations in controlling the ac...
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JPH01157301A |
PURPOSE: To prevent floating of a machine body or stopping of an engine, by setting lowering speed by lowering operation of a manual operating lever of a position control valve at a low speed on the lowering side of the set position. CON...
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JPH01150001A |
PURPOSE:To improve the reliability of a servo system by connecting a fourth land provided for stability compensation to the spool of a servo valve. CONSTITUTION:A fourth land 50 is connected to a spool 14, while circular grooves 51, 52, ...
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JPH01141201A |
PURPOSE:To reduce the equipment cost by installing a partitioning plate onto an output shaft and arranging an input shaft having oil feeding ports and an oil discharge port, permitting the relative displacement in the axis line direction...
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JPH01141202A |
PURPOSE:To realize the bidirectional communication with the smallest number of paths by transmitting the signal corresponding to the result of diagnosis of an adjusting valve or positioner itself from a communication terminal in a commun...
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JPH0182302U |
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JPH01131305A |
PURPOSE: To enable continuous and smooth control of the title cylinder by supplying high frequency, to the second and third electromagnetic valves, composing one cycle in a time shorter than the on-off response time of an electromagnetic...
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JPH0175601U |
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JPH0175602U |
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JPH0115484Y2 |
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JPH0123082B2 |
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JPH0163802U |
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JPH0121364B2 |
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JPH0199107A |
PURPOSE:To prevent oscillation to occur at an electrohydraulic system and to simultaneously increase a response by inserting an electric filter into a control device. CONSTITUTION:Between an operational amplifier 16 and a servo amplifier...
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JPH0119073B2 |
PURPOSE:To improve the reliability of operation of the captioned controller in undesirable condition by independenty performing ordinary operation of a control valve with a manual operation handle and remote operation of a control valve ...
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JPH0118286B2 |
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JPH0118281B2 |
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JPS6453503U |
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JPS6483906A |
PURPOSE: To return an actuator to its neutral position by connecting a floating link to the spool of a control valve and holding the idling portion of the floating link when a trouble signal is input. CONSTITUTION: A floating link 23 is ...
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JPH0110448Y2 |
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JPS6446503U |
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JPH0115721B2 |
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JPS6469801A |
PURPOSE: To improve the stability of a hydraulic servo system by providing a gain control resistance, a temperature compensation thermistor and a phase compensation coil between a velocity transducer and an auxiliary coil. CONSTITUTION: ...
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JPS6465303A |
PURPOSE: To enable a servo mechanism to respond to a rotational input signal with a high speed and accuracy by providing a gear type differential mechanism between a rotational signal input means and a direction changeover valve. CONSTIT...
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JPH018723Y2 |
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JPS6438303U |
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JPH018480Y2 |
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JPH017844Y2 |
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JPS6455401A |
PURPOSE: To circulate working oil surely with no-load by arranging a shaft body at one end of spool at the side of pilot pressure chamber and providing a displacing means to the shaft body through a communication path. CONSTITUTION: A th...
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JPS6432902U |
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JPS647106Y2 |
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JPS6410641B2 |
1. A apparatus for adjusting the rotating blades of axial fluid flow machines by means of a servo cylinder and piston unit (22, 3) which is situated coaxially with respect to the axis of rotation in the machine shaft (27), and with a con...
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JPS6427501U |
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JPS646909B2 |
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JPS6430903A |
PURPOSE: To improve positioning accuracy by driving a servo valve by a servo- amplifier of two-stage gain having a large gain only in the vicinity of a neutral point. CONSTITUTION: A servo-amplifier part 6 is constituted of a deviation a...
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JPS6420502U |
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JPS6415803U |
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