Hydraulic driving arrangement for reciprocable masses or the lik

Details Hydraulic driving arrangement for reciprocable masses or the lik Hydraulic driving arrangement for reciprocable masses or the lik

1983-02-17

1985-09-17

Cohen, Irwin C.

Power plants

Pressure fluid source and motor

With control means for structure storing work driving energy

60413, 60416, 91 5, 91441, F15B 104, F15B 1304, F15B 2102

Patent

active

045412413

ABSTRACT:
An energy-saving hydraulic driving arrangement includes a motor having two chambers separated by a reciprocable or angularly movable output element which can accelerate or decelerate a mass. One of the chambers receives pressurized fluid from one of a battery of accumulators containing fluid at different pressures (namely, from the accumulator wherein the pressure is slightly higher than the desired pressure in the one chamber) during acceleration of the output element while the other chamber discharges fluid directly into a sump. During deceleration of the output element, the one chamber draws fluid directly from the sump whereas the other chamber discharges pressurized fluid into that accumulator wherein the pressure is slightly less than the pressure of fluid in the other chamber.

REFERENCES:
patent: 2491402 (1949-12-01), Tucker
patent: 2977763 (1961-04-01), Mercier
patent: 3171331 (1965-03-01), Samuel
patent: 3470792 (1969-10-01), Darling
patent: 3635020 (1972-01-01), Mahlmann
patent: 3797364 (1974-03-01), Schulze
patent: 3922854 (1975-12-01), Coeurderoy
patent: 4098083 (1978-07-01), Carman
patent: 4369693 (1983-01-01), Schulze
patent: 4370857 (1983-02-01), Miller

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