Circuit for controlling damp shock loading

Details Circuit for controlling damp shock loading Circuit for controlling damp shock loading

1974-08-19

1976-03-23

Miller, J. D.

Valves and valve actuation

Rotary valves

Ball valve

251129, 317135A, 317141S, 318611, H01H 4732

Patent

active

039462846

ABSTRACT:
This is concerned with an electric circuit for controlling or damping the shock loading on the structural components and parts of machinery which are moved by a conventional hydraulic cylinder. It is more specifically concerned with a control circuit to be used with a proportional control valve so that the mass moved by the cylinder will be gradually accelerated and decelerated to avoid abrupt starts and stops.

REFERENCES:
patent: 3388300 (1968-06-01), Allmark et al.
patent: 3709253 (1973-01-01), Spangenberg
patent: 3729666 (1973-04-01), Kelly
patent: 3795285 (1974-03-01), Scholl et al.

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