Rotary expansible chamber devices – Interconnected vanes – Interposed movable member interconnects plural vanes
Patent
1990-06-01
1994-04-19
Vrablik, John J.
Rotary expansible chamber devices
Interconnected vanes
Interposed movable member interconnects plural vanes
418264, 418265, 73260, F01C 144, G01F 308
Patent
active
053040490
ABSTRACT:
A rotary pump-motor-meter comprises a rotor assembly including a shaft (38) and one or more hub members (37) coaxially affixed to the shaft, that supports a plurality of flaps (40) disposed about the shaft (38), each of which flaps has a round first edge and a crescent trailing edge and is supported by the hub member (37) pivotably about a pivot axis coinciding with the center of the round first edge disposed adjacent to the shaft (38), which rotor assembly is rotatably disposed within a cylindrical cavity with two port openings in a parallel and eccentric relationship, wherein one or more circular cam guides disposed adjacent to the rotor assembly in a rotable arrangement about a cam axis guides a plurality of cam rollers (41), each of which cam rollers is anchored to one end face of the flaps (40).
REFERENCES:
patent: 3114324 (1963-12-01), Baker
patent: 3373723 (1968-03-01), Blosser
patent: 4133618 (1979-01-01), Smolinski
patent: 4149833 (1979-04-01), Baudin
patent: 4212603 (1980-07-01), Smolinski
patent: 4299546 (1981-11-01), Stout
patent: 4451215 (1984-05-01), Winkler et al.
patent: 4502853 (1985-03-01), Ohi
patent: 4646568 (1987-03-01), Lew
patent: 4765185 (1988-08-01), Lew
patent: 4917584 (1990-04-01), Sakamaki et al.
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