Position controller

Details Position controller Position controller

1976-10-13

1978-05-16

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Pulsator

91411A, 91453, 91460, 91461, 251 57, B60T 700

Patent

active

040891720

ABSTRACT:
A device for infinitely controlling the position of a controlled member along its axis of movement. The device includes hydraulic actuators coaxially secured to the controlled member and a mechanically and/or manually actuated cylinder is fluidly connected to the hydraulic actuator so that by actuation of the cylinder, both the speed and the position of the controlled member along its axis of movement can be carefully controlled.

REFERENCES:
patent: 2020951 (1935-11-01), Lemon
patent: 2403391 (1946-07-01), Muir
patent: 2414451 (1947-01-01), Christensen
patent: 2879644 (1959-03-01), Caslow et al.

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