Hydraulic circuit with accumulator
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United States of America Patent
Stats
-
Sep 15, 1987
Grant Date -
N/A
app pub date -
Sep 18, 1985
filing date -
Sep 21, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hydraulic circuit for actuating a first hydraulic motor with an under psure, i.e. pressurized fluid has an externally driven first hydraulic pump for introduction of fluid into the circuit from an open reservoir and a hydraulic accumulator to keep stand-by pressure fluid, the pressure in the accumulator being sufficient to actuate the first hydraulic motor. A fluid pressure intensifier, i.e. a second hydraulic motor and a second hydraulic pump coupled therewith, is also in the circuit. The second hydraulic pump has a smaller swept volume than the second hydraulic motor, and both are connected to an outlet of the first hydraulic pump for the second hydraulic pump to pump into an inlet of the hydraulic accumulator.
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