Pump or motor having sealed chambers

Details Pump or motor having sealed chambers Pump or motor having sealed chambers

1975-11-05

1977-06-07

Freeh, William L.

Motors: expansible chamber type

Cyclically operable

Oscillating working member

417481, 92122, F01C 900, F01B 1506

Patent

active

040275760

ABSTRACT:
A pump or motor having a cylindrical housing member and a shaft member extending coaxially therethrough. The shaft member carries shaft vanes which project radially from the shaft member into close proximity with an inner cylindrical surface of the cylindrical housing member while the cylindrical housing member carries cylinder vanes which are fixed to the cylinder housing member and project therefrom radially toward and into close proximity with the shaft member. The ends of the shaft vanes are fixed with a pair of circular flanges which have outer peripheral edges next to the inner surface of the cylindrical member, these flanges extending across the opposed ends of the cylinder vanes. Axially extending sealing members extend along the outer edges of the shaft vanes between the latter and the inner surface of the cylinder member while annular sealing members extend along the peripheral edges of the flanges engaging the latter and the inner surface of the cylinder member. The cylinder vanes are each provided with a substantially U-shaped sealing member extending axially along the shaft member between the latter and each cylinder vane and also extending radially along the opposed ends of each cylinder vane between the latter and the flanges.

REFERENCES:
patent: 540492 (1895-06-01), Humes
patent: 1444577 (1923-02-01), Wilson
patent: 2561858 (1951-07-01), Grawowski
patent: 2902009 (1959-09-01), Ludwig
patent: 2966144 (1960-12-01), Self
patent: 3155019 (1964-11-01), Stiglie et al.
patent: 3327592 (1967-06-01), Wilkinson

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