Sealing intersecting vane machines

Internal-combustion engines – Rotary – With transfer means intermediate single compression volume...

Reexamination Certificate

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C418S207000, C418S195000

Reexamination Certificate

active

06901904

ABSTRACT:
The invention provides a toroidal intersecting vane machine incorporating intersecting rotors to form primary and secondary chambers whose porting configurations minimize friction and maximize efficiency. Specifically, it is an object of the invention to provide a toroidal intersecting vane machine that greatly reduces the frictional losses through intersecting surfaces without the need for external gearing by modifying the width of one or both tracks at the point of intermeshing. The inventions described herein relate to these improvements.

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patent: 3841276 (1974-10-01), Case
patent: 4005682 (1977-02-01), McCall et al.
patent: 5233954 (1993-08-01), Chomyszak
patent: 6230681 (2001-05-01), Kiseljev et al.
patent: 6729295 (2004-05-01), Tomczyk
patent: 4127870 (1992-01-01), None
patent: 91975 (1983-10-01), None
patent: WO 9114859 (1991-10-01), None

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