Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Non-working fluid passage in inner working or reacting member
Patent
1981-08-20
1984-04-17
Vrablik, John J.
Rotary expansible chamber devices
Heat exchange or non-working fluid lubricating or sealing
Non-working fluid passage in inner working or reacting member
418104, 418154, 418172, F04C 500, F04C 1500
Patent
active
044431678
ABSTRACT:
A fluid pump for pumping a fluid from an input conduit to an output conduit comprising a housing having a cup-shaped rotor assembly rotatably disposed within the housing. A vane ring assembly is slidably disposed within the rotor assembly. A protuberance on the vane ring engages a corresponding indentation disposed on an inner and outer cup to prevent the vane ring assembly from rotating within the rotor assembly. A hub assembly is disposed within the vane ring assembly such that the axis of the hub assembly is parallel and eccentric to the axis of rotation of the vane ring assembly. A wear plate is in juxtaposition with the open end of the rotor assembly and a plurality of band-shaped vanes interconnect the vane ring assembly and the hub assembly. The vanes are disposed in a spaced-apart relationship parallel to the axis of rotation of the vane ring assembly to form a plurality of pump chambers. Each of the pump chambers is defined by two of the vanes, the bottom of the rotor assembly and the inner surface of the wear plate such that the volume of the pump chambers sequentially increases and decreases as the vane ring assembly is rotated. An input port is connected in fluid communication with the pump chambers when the pump chambers are increasing in volume and an output port is connected with the pump chambers when the pump chambers are decreasing in volume as the vane ring assembly is rotated. The input and output ports are connected to input and output conduits, respectively.
REFERENCES:
patent: 1818430 (1931-08-01), Ricardo
patent: 2882830 (1959-04-01), McDuffie
patent: 3133506 (1964-05-01), Luciani
patent: 3202103 (1965-08-01), Sully
patent: 3218983 (1965-11-01), Parrett
patent: 3544243 (1970-12-01), Stageberg
patent: 3712765 (1973-01-01), Smith
Linney, legal representative Edward A.
Stageberg, deceased Sterling O.
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