Rotary expansible chamber devices – Nutating working member – With mechanical sealing
Patent
1975-11-05
1976-12-28
Vrablik, John J.
Rotary expansible chamber devices
Nutating working member
With mechanical sealing
418 53, F01C 102, F04C 1702, F01C 1900
Patent
active
039999025
ABSTRACT:
An improved slant axis rotary mechanism including a housing defining an operating chamber having generally radially extending opposed side walls, a shaft having an angularly offset portion journalled in the housing with the angularly offset portion within the chamber and a rotor within the chamber journalled on the angularly offset portion. The rotor includes a peripheral flange and each side of the flange has plural apices thereon, each carrying seals engaging a corresponding one of the side walls. The flange sides are slightly relieved only in the vicinity of each apex whereby sufficient clearance to prevent interference between the rotor and the housing during operation is achieved without significantly diminishing the compression ratio of the mechanism. A method of fabricating a rotor for a slant axis rotary mechanism is also disclosed.
REFERENCES:
patent: 3102492 (1963-09-01), Bentele et al.
Clarke et al., A New Class of Rotary Piston Machine Suitable for Compressors, Pumps, and Internal Combustion Engines, Proceedings at Institute of Mechanical Engineers, 1972, vol. 186 62/72, pp. 743-753.
Caterpillar Tractor Co.
Vrablik John J.
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