A FLUID ACTUATOR

An actuator responsive to fluid signals to retract and extend a piston. The actuator includes a cylinder and a pressure piston carried inside the cylinder. Also included is a shaft, and a rod connected to the pressure piston. The actuator further includes a first port for receiving a fluid pressure...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NEULIEB, ROBERT L, HUBER, HOWARD E., JR, SAUTER, JEFFREY F, NEWTON, STEVEN R
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL ARRANGEMENTS OR DISPOSITIONS OF BRAKES OR OTHER RETARDINGAPPARATUS IN RAIL VEHICLES BLASTING BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL BRAKES BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAILVEHICLES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ENGINEERING ELEMENTS AND UNITS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES RAILWAYS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	An actuator responsive to fluid signals to retract and extend a piston. The actuator includes a cylinder and a pressure piston carried inside the cylinder. Also included is a shaft, and a rod connected to the pressure piston. The actuator further includes a first port for receiving a fluid pressure to move the pressure piston to a first position. The actuator also has a locking mechanism. The locking mechanism has a first and second surface, and both surfaces are movable in response to the fluid pressure at the first port. The surfaces lock the pressure piston in a first position upon removal of the fluid pressure at the first port. Actionneur réagissant à des signaux fluidiques pour tirer ou pousser un piston, comprenant un cylindre, un piston de pression à l'intérieur du cylindre, un arbre, une tige connectée au piston de pression et un premier passage pour recevoir un fluide d'une certaine pression qui déplace le piston de pression jusqu'à une première position. L'actionneur comprend également un mécanisme de verrouillage, qui comporte deux surfaces pouvant bouger en réaction à la pression fluidique dans le premier passage. Les surfaces immobilisent le piston de pression dans une première position au moment du retrait du fluide dans le premier passage.