Rotary expansible chamber devices – Nutating working member – With mechanical sealing
Patent
1975-09-08
1976-09-21
Husar, C. J.
Rotary expansible chamber devices
Nutating working member
With mechanical sealing
418120, 418121, F04C 2700, F01C 1910
Patent
active
039816400
ABSTRACT:
An improved slant axis rotary mechanism including a housing defining an operating chamber, a shaft journalled in the housing having an angularly offset portion within the chamber and a rotor within the chamber and journalled on the angularly offset portion. The rotor has an annular flange provided with plural apices on each side thereof. Peripheral seals are carried about the periphery of the flange and sealingly engage the housing. At each apex there is a generally radially extending groove and an apex seal is loosely carried in each such groove and sealingly engages the housing. A bolt seal is carried at each apex on the periphery of the flange and sealingly engages the housing. Each bolt seal has a first pressure-responsive surface in fluid communication with the corresponding groove and a second pressure-responsive surface in fluid communication with the side of the flange opposite the corresponding apex. As a consequence, gas energization of the bolt seal will occur for all conditions of operation of the mechanism.
REFERENCES:
patent: 3485218 (1969-12-01), Clarke
patent: 3545899 (1970-12-01), Clarke
patent: 3664778 (1972-05-01), Nilsson
patent: 3773442 (1973-11-01), Mitchell et al.
patent: 3830600 (1974-08-01), Shimoji et al.
A New Class of Rotary Piston Machine Suitable for Compressors, Pumps and Internal Combustion Engines, Clark et al., Proc. Instn. Mech. Eng., vol. 186, 6/72.
Caterpillar Tractor Co.
Husar C. J.
Smith Leonard
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