Electric motor-driven, double-acting pump having pressure-respon

Details Electric motor-driven, double-acting pump having pressure-respon Electric motor-driven, double-acting pump having pressure-respon

1974-08-27

1977-03-01

Croyle, Carlton R.

Pumps

Condition responsive control of pump drive motor

Responsive to change in rate of pump fluid flow

417 44, 417223, 417415, F04B 4900

Patent

active

040099717

ABSTRACT:
A double acting pump is operated by a crank that is powered through a gear train driven by an electric motor. An adjustable pressure sensing device is used to control operation of the pump. A single motor, double pump embodiment is also described.

REFERENCES:
patent: 1116998 (1914-11-01), Compton
patent: 1128089 (1915-02-01), Astrom
patent: 1171270 (1916-02-01), Sorge
patent: 1535643 (1925-04-01), Astrom
patent: 2651995 (1953-09-01), Blackburn
patent: 2791100 (1957-05-01), Maurer
patent: 2866528 (1958-12-01), Jacobs
patent: 2923790 (1960-02-01), Ernst
patent: 2945444 (1960-07-01), Leissner
patent: 2975599 (1961-03-01), Bennett
patent: 3050003 (1962-08-01), Edwards
patent: 3502029 (1970-03-01), Halladay
patent: 3689199 (1972-09-01), Bassinger

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