Pumps for fluids

Details Pumps for fluids Pumps for fluids

1979-04-02

1981-06-16

Croyle, Carlton R.

Pumps

Condition responsive control of drive transmission or pump...

Having means to hold or resist movement of pumping element

417279, 417402, 417441, F04B 4908

Patent

active

042735165

ABSTRACT:
A pump assembly for an hydraulic braking system comprises a housing having an inlet for connection to a tank for liquid, an outlet for connection to an hydraulic accumulator, and a piston reciprocably mounted in a bore in the housing to draw liquid into a working chamber during an induction stroke and to force it to the outlet during a power stroke. A drive mechanism is provided for moving the piston in one direction during the induction stroke, and the piston is moved in the opposite direction during the power stroke by subjecting the piston to pressure at the outlet.

REFERENCES:
patent: 862867 (1907-08-01), Eggleston
patent: 2228292 (1941-01-01), Wood
patent: 2432798 (1947-12-01), Pratt et al.
patent: 2650543 (1953-09-01), Pauget
patent: 3006148 (1961-10-01), Hause
patent: 3362346 (1968-01-01), Bottoms et al.
patent: 3836285 (1974-09-01), Purtell
patent: 4149831 (1979-04-01), Davis

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