Hydraulic circuit with accumulator

Details Hydraulic circuit with accumulator Hydraulic circuit with accumulator

1985-09-18

1987-09-15

Favors, Edward G.

Power plants

Pressure fluid source and motor

With control means for structure storing work driving energy

60417, F16D 3102

Patent

active

046930809

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.

REFERENCES:
patent: 3903696 (1975-09-01), Carman
patent: 3945207 (1976-03-01), Hyatt
patent: 3971215 (1976-07-01), Baron et al.
patent: 4026107 (1977-05-01), Kosek et al.
patent: 4098083 (1978-07-01), Carman
patent: 4098144 (1978-07-01), Besel et al.
patent: 4553391 (1985-11-01), Reinhardt

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