Plural pressure oil energies selective recovery apparatus...

Details Plural pressure oil energies selective recovery apparatus... Plural pressure oil energies selective recovery apparatus...

2005-08-02

2005-08-02

Lazo, Thomas E. (Department: 3745)

Power plants

Pressure fluid source and motor

With control means for structure storing work driving energy

Reexamination Certificate

active

06922989

ABSTRACT:
It is an object of the present invention to provide a plural pressure oil energies selective recovery apparatus which can selectively recover pressure oil energies stored in plural pressure oil actuators, based upon recovery conditions. A priority for recovering a return pressure oil from a hydraulic actuator is set in advance for an operation lever of each of the plural hydraulic actuators. If the operation lever is in the non-actuation state at a preceding detection point, the plural pressure oil energies selective recovery apparatus recovers a return pressure oil from a corresponding hydraulic actuator. If the operation lever is in the actuation state, the plural pressure oil energies selective recovery apparatus does not recover a pressure oil.

REFERENCES:
patent: 6151894 (2000-11-01), Endo et al.
patent: 6378301 (2002-04-01), Endo et al.
patent: 6460332 (2002-10-01), Maruta et al.
patent: 10-184615 (1998-07-01), None

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