Power supply apparatus

Details Power supply apparatus Power supply apparatus

1980-01-23

1982-04-13

Smith, Leonard E.

Pumps

Motor driven

Electric or magnetic motor

417421, F04B 4900

Patent

active

043245340

ABSTRACT:
Power supply apparatus having a two part housing, the first part containing a motor in a gas environment and the second part containing a pump in a pressurized fluid environment, the second part having an inlet and outlet for passage of pressurized fluid to and from a tool to be driven by means of the pressurized fluid, the apparatus being of particular use under water, wherein pressure-equalizing means is provided for adjusting the pressure in both parts of the housing simultaneously in response to changes in ambient pressure outside the housing.

REFERENCES:
patent: 1736002 (1929-11-01), Frickey et al.
patent: 2911919 (1959-11-01), Tucker
patent: 3075469 (1963-01-01), Lane, Jr.
patent: 3764233 (1973-10-01), Strickland
patent: 3976124 (1976-08-01), Brown

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