Rotary expansible chamber devices – Moving cylinder – Rotating
Patent
1988-04-14
1990-01-02
Vrablik, John J.
Rotary expansible chamber devices
Moving cylinder
Rotating
418174, 418248, 418266, F01C 1356, F01C 1344, F01C 2108, F01C 2110
Patent
active
048909904
ABSTRACT:
A rotary engine in which the expansion pressure of a working gas is converted into a mechanical rotary movement consists of an inner engine element with an outer circumferential surface and an outer engine element which surrounds the inner element and has an inner circumferential surface, the two surfaces being disposed closely adjacent and facing each other. Disposed at, for example, the inner surface are three spaced projections, which transmit the expansion pressure of the gas to the inner element, and three expansion chambers between the projections. Four reaction members, which are each movable into the expansion chambers in turn and transmit the gas expansion pressure to the outer element, are mounted at the circumferential surface of the outer element. The two circumferential surfaces have the form of complementary annular surfaces, wherein in cross-section the inner surface has the shape of a concave, parabola-like curve and the outer surface the shape of a convex, parabola-like curve. The surfaces extend parallel to each other with close sliding fit up to their outer edges.
REFERENCES:
patent: 1442198 (1923-01-01), Utley
patent: 1625233 (1927-04-01), Williams
patent: 1770141 (1930-07-01), Meyer
patent: 1859618 (1932-05-01), Cleland
patent: 2796030 (1957-06-01), Nebel
patent: 3181512 (1965-05-01), Hapeman
patent: 3249096 (1966-05-01), Franceschini
patent: 4243006 (1981-01-01), Quiroga
patent: 4561834 (1985-12-01), Poss
Vrablik John J.
Walnoha Leonard P.
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