Rotary expansible chamber devices – Moving cylinder – Rotating
Patent
1990-08-16
1991-09-03
Vrablik, John J.
Rotary expansible chamber devices
Moving cylinder
Rotating
F04C 1810
Patent
active
050449079
ABSTRACT:
A rotor device includes a casing, an outer rotor positioned in the casing and rotatable about a first rotational axis, and an inner rotor positioned in the casing and rotatable about a second rotational axis. An outer sealing portion of the inner rotor defines a locus along an inner wall surface of an operating chamber of the outer rotor as a result of the rotation of the inner rotor. An inner sealing portion of the outer rotor defines a locus along an outer circumferential surface of the inner rotor in response to the rotation of the outer rotor. The inner wall surface of the operating chamber engages the outer circumferential surface of the inner rotor through a gear engagement. A driving input shaft portion is connected to the outer rotor and a first gear having teeth on its inner circumferential surface is connected to the outer rotor. A second gear having teeth on its outer circumferential surface is connected to the inner rotor and is engaged with the first gear, whereby the inner rotor is driven by the outer rotor via the first and second gears.
REFERENCES:
patent: 724665 (1903-04-01), Cooley
patent: 4714417 (1987-12-01), Wankel
patent: 4801255 (1989-01-01), Wankel
Fukuta Masahiro
Hirosawa Koichiro
Ohmitsu Takashi
Aisin Seiki Kabushiki Kaisha
Vrablik John J.
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