Electro/hydraulic power pack

Details Electro/hydraulic power pack Electro/hydraulic power pack

1988-04-20

1989-07-25

Shoop, Jr., William M.

Prime-mover dynamo plants

Miscellaneous

Drive gearing

318 4, F04B 4902

Patent

active

048517038

ABSTRACT:
The power pack includes a permanent magnet d.c. motor energizable by a battery and having a rotatable shaft. The shaft is operable to rotate both (1) an alternator for producing a.c. voltage for use by electrical utilization devices and (2) a hydraulic pump for producing pressurized oil for use by hydraulic utilization devices. When a supply of hydraulic pressure is not required, a valve unloads the pump and causes substantially all of the load of the pump to be removed from the motor so as to enable substantially the entire capacity of the motor to be used to drive the alternator.

REFERENCES:
patent: 3514219 (1970-05-01), Mitchell et al.
patent: 3889126 (1975-06-01), Ishihara et al.
patent: 4173951 (1979-11-01), Ishihara
patent: 4559455 (1985-12-01), Tanaka
patent: 4613007 (1986-09-01), Tanaka et al.

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