Rotary expansible chamber devices – Nutating working member – With mechanical sealing
Patent
1987-06-25
1989-10-31
Vrablik, John J.
Rotary expansible chamber devices
Nutating working member
With mechanical sealing
418 53, F01C 300, F01C 1702, F01C 1908
Patent
active
048773794
ABSTRACT:
A rotary mechanism for a three-dimensional volumetric change including a rotor having a partially spherical surface as a bottom surface and a substantially conical surface which includes a plurality of apexes extending substantially radially, and a member having a curved surface constituted by a surface defined by a locus of the apex due to precessing motion of the rotor. A space defined in a spherical space and having its volume changed by relative precessing motion between the member and the rotor serves as a working space. The rotor is substantially spherical cone with apexes and the curved surface of the member is a spherical peritrochoidal surface. The rotor conical surface is optimumly an inner envelope of the spherical peritrochoidal surface produced by the relative precession. The rotary mechanism may be expansion and/or compression machine; pump, blower or internal combustion engine, or generally, energy conversion machine.
REFERENCES:
patent: 3464361 (1969-09-01), Voser
patent: 3492974 (1970-02-01), Kreimeyer
patent: 3895610 (1975-07-01), Wahl
patent: 4029444 (1977-06-01), Clarke
Bensinger, W.-D., "Rotationskolben-Verbrennungsmortoren", Springer-Verlag, (1973), (Japanese translation).
Ansdale, R. F., "The Wankel RC Engine", Butterworth & Co., Limited., London, (1968), (Japanese translation).
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