Pumps – Expansible chamber type – Having pulsation dampening fluid receiving space
Patent
1983-12-30
1985-09-03
Croyle, Carlton R.
Pumps
Expansible chamber type
Having pulsation dampening fluid receiving space
138 31, 16510431, F04B 1100
Patent
active
045389721
ABSTRACT:
In a liquid coolant circulating or like system an accumulator--reservoir device of the bootstrap type. The reservoir device has a sliding seal construction, in which a piston is subject to high and low pressure influences as these relate to discharge and intake sides of a liquid circulating pump. External leakage from the device is minimized by an arrangement avoiding the need to seal against high pressure loss direct to ambient. Overall length is reduced by the arrangement which places a high pressure chamber between low pressure chambers. A hollow piston construction permits packaging system components within the reservoir, introducing further opportunity for simplicity and compactness of design.
REFERENCES:
patent: 3074437 (1963-01-01), Mercier
patent: 3230977 (1966-01-01), Mercier
patent: 3559727 (1971-02-01), Hill et al.
patent: 3677334 (1972-07-01), Bathla et al.
patent: 4067381 (1978-01-01), Lord
patent: 4187682 (1980-02-01), Shen
patent: 4376619 (1983-03-01), Haushalter et al.
patent: 4388052 (1983-06-01), Falendysz, Sr. et al.
Beringer J. E.
Croyle Carlton R.
Stout Donald E.
United Aircraft Products, Inc.
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