Control system for a hydraulically actuated press
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United States of America Patent
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-
May 2, 1989
Grant Date -
N/A
app pub date -
May 4, 1983
filing date -
May 4, 1982
priority date (Note) -
Expired
status (Latency Note)
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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.
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