Rotary expansible chamber devices – Interengaging rotating members – Three or more
Patent
1999-06-28
2000-11-07
Denion, Thomas
Rotary expansible chamber devices
Interengaging rotating members
Three or more
418188, 418109, 418125, 418129, F04C 1800
Patent
active
061427586
ABSTRACT:
A rotary positive displacement engine includes one or more power rotors, which are acted upon by a pressurized charge of gas, such as steam, and an annular barrier rotor geared for synchronous rotation with the power rotors. The rotors rotate within intersecting cylindrical bores in the engine housing. The power rotors have cylindrical outer surfaces from which opposed vanes extend which are acted upon by the powering charge. The barrier rotor has an outer cylindrical surface, located in close proximity to the cylindrical surface of the power rotors, and ports for delivering the powering charge to the power rotors. The barrier rotor thus forms both a charge delivery mechanism and a barrier between the exhaust ports and the expanding gas powering the engine. Located within the barrier rotor is a stator which has ports in fluid communication with the ports in the barrier rotor when the respective ports are aligned. The location of the barrier rotor is adjustable with respect to the power rotors to permit the clearances between the confronting surfaces of the barrier rotor and the power rotors to be adjusted to extremely tight tolerances under operating conditions, which provides high efficiency operation with very low amounts of contamination of the exhaust gas.
REFERENCES:
patent: 1095190 (1914-05-01), Cummins
patent: 1175140 (1916-03-01), Eisermann
patent: 2382701 (1945-08-01), Egerdorfer
patent: 2835204 (1958-05-01), Richards
Botjer William L.
Denion Thomas
Henry Engine Company
Trieu Theresa
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