Control system for a hydraulically actuated press

Details Control system for a hydraulically actuated press Control system for a hydraulically actuated press

1983-05-04

1989-05-02

Look, Edward K.

Power plants

Pressure fluid source and motor

With control means for structure storing work driving energy

60425, 91514, 91532, F16D 3102

Patent

active

048256595

ABSTRACT:
A hydraulic-control system for a hydraulic press utilizes a main power unit consisting of a pump and a flywheel which delivers the energy necessary for a working stroke to at least one cylinder of the press. An auxiliary power unit consisting of an electric motor and another pump driven thereby is connected to the hydraulic network to drive the first mentioned pump as a motor and rotate the flywheel to increase the energy stored therein.

REFERENCES:
patent: 3677009 (1972-07-01), Thatcher
patent: 3913450 (1975-10-01), MacGregor
patent: 4018052 (1977-04-01), Laussermair
patent: 4147034 (1979-04-01), Johnson
patent: 4433612 (1984-02-01), Spielvogel et al.
Patent Application (in German), pp. 1-5 and 1 Sheet of Drawing, Demag Aktiengesellschaft, Duisburt, 20 Aug. 1953.

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