BIDIRECTIONAL,MULTIPLE SPEED HYDRAULIC ACTUATOR

A bidirectional, multiple speed hydraulic actuator, including a differential piston (10, 24, 26). First and second ports (28, 30) are respectively in fluid communication with opposite sides of the piston and there is provided a pressure fluid supply line (40) along with a pressure fluid drain line (...

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1. Verfasser: CEMENSKA R
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description A bidirectional, multiple speed hydraulic actuator, including a differential piston (10, 24, 26). First and second ports (28, 30) are respectively in fluid communication with opposite sides of the piston and there is provided a pressure fluid supply line (40) along with a pressure fluid drain line (44). A control valve (14) is disposed between the ports and the lines and is movable step-wise through five positions providing for nulling of piston movement, and slow and rapid piston movement in either of two directions. A shifting device (60) is provided for the valve. Mecanisme de commande hydraulique, bidirectionnel, a vitesses multiples, comprenant un piston differentiel (10, 24, 26). La premiere et la deuxieme fenetres (28, 30) sont respectivement en communication fluide avec les cotes opposes du piston et une conduite (40) d'alimentation de fluide sous pression est prevue ainsi qu'une conduite (44) de decharge de fluide sous pression. Une vanne de commande (14) est disposee entre les fenetres et les conduites et peut etre reglee par echelons sur 5 positions permettant l'annulation du deplacement du piston, et un deplacement lent et rapide du piston dans chacune de deux directions. Un dispositif d'inversion (60) est prevu pour la soupape.
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First and second ports (28, 30) are respectively in fluid communication with opposite sides of the piston and there is provided a pressure fluid supply line (40) along with a pressure fluid drain line (44). A control valve (14) is disposed between the ports and the lines and is movable step-wise through five positions providing for nulling of piston movement, and slow and rapid piston movement in either of two directions. A shifting device (60) is provided for the valve. Mecanisme de commande hydraulique, bidirectionnel, a vitesses multiples, comprenant un piston differentiel (10, 24, 26). La premiere et la deuxieme fenetres (28, 30) sont respectivement en communication fluide avec les cotes opposes du piston et une conduite (40) d'alimentation de fluide sous pression est prevue ainsi qu'une conduite (44) de decharge de fluide sous pression. Une vanne de commande (14) est disposee entre les fenetres et les conduites et peut etre reglee par echelons sur 5 positions permettant l'annulation du deplacement du piston, et un deplacement lent et rapide du piston dans chacune de deux directions. 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First and second ports (28, 30) are respectively in fluid communication with opposite sides of the piston and there is provided a pressure fluid supply line (40) along with a pressure fluid drain line (44). A control valve (14) is disposed between the ports and the lines and is movable step-wise through five positions providing for nulling of piston movement, and slow and rapid piston movement in either of two directions. A shifting device (60) is provided for the valve. Mecanisme de commande hydraulique, bidirectionnel, a vitesses multiples, comprenant un piston differentiel (10, 24, 26). La premiere et la deuxieme fenetres (28, 30) sont respectivement en communication fluide avec les cotes opposes du piston et une conduite (40) d'alimentation de fluide sous pression est prevue ainsi qu'une conduite (44) de decharge de fluide sous pression. Une vanne de commande (14) est disposee entre les fenetres et les conduites et peut etre reglee par echelons sur 5 positions permettant l'annulation du deplacement du piston, et un deplacement lent et rapide du piston dans chacune de deux directions. 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First and second ports (28, 30) are respectively in fluid communication with opposite sides of the piston and there is provided a pressure fluid supply line (40) along with a pressure fluid drain line (44). A control valve (14) is disposed between the ports and the lines and is movable step-wise through five positions providing for nulling of piston movement, and slow and rapid piston movement in either of two directions. A shifting device (60) is provided for the valve. Mecanisme de commande hydraulique, bidirectionnel, a vitesses multiples, comprenant un piston differentiel (10, 24, 26). La premiere et la deuxieme fenetres (28, 30) sont respectivement en communication fluide avec les cotes opposes du piston et une conduite (40) d'alimentation de fluide sous pression est prevue ainsi qu'une conduite (44) de decharge de fluide sous pression. Une vanne de commande (14) est disposee entre les fenetres et les conduites et peut etre reglee par echelons sur 5 positions permettant l'annulation du deplacement du piston, et un deplacement lent et rapide du piston dans chacune de deux directions. Un dispositif d'inversion (60) est prevu pour la soupape.</abstract><oa>free_for_read</oa></addata></record>
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subjects BLASTING
DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
FLUID-PRESSURE ACTUATORS
FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS
HEATING
HYDRAULICS OR PNEUMATICS IN GENERAL
LIGHTING
MECHANICAL ENGINEERING
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL
WEAPONS
title BIDIRECTIONAL,MULTIPLE SPEED HYDRAULIC ACTUATOR
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