Rotary expansible chamber devices – With mechanical sealing – Seal on working member periphery separates inlet and outlet...
Patent
1975-05-01
1976-11-02
Husar, C. J.
Rotary expansible chamber devices
With mechanical sealing
Seal on working member periphery separates inlet and outlet...
418266, 277 81P, 267 47, F03C 300
Patent
active
039894258
ABSTRACT:
A long-lived, unitized seal biasing spring assembly for use in rotary mechanisms such as rotary engines. The rotary mechanism with which the invention is to be used includes an operating chamber and a rotor within the chamber. At least one seal retaining groove is provided in the rotor and the seal is retained in the groove and extends partially out of the groove into sealing engagement with the chamber. A unitized, multi-leaf spring assembly made according to the invention is disposed in the groove and engages the seal to bias the seal into sealing engagement. Through the use of a unitized construction, assembly is facilitated while the use of a multi-leaf biasing spring arrangement dramatically reduces spring stress substantially prolonging the useful life thereof.
REFERENCES:
patent: 1292324 (1919-01-01), Inshan
patent: 1460987 (1923-07-01), Stanford
patent: 2078395 (1937-04-01), Luthy
patent: 2084828 (1937-06-01), Teetor
patent: 2110562 (1938-03-01), Teetor
patent: 3152552 (1964-10-01), Frenzel
patent: 3263912 (1966-08-01), Frenzel
patent: 3667877 (1972-06-01), Lamm
Bjerk Roger O.
Powers Harold C.
Walker Donald F.
Caterpillar Tractor Co.
Husar C. J.
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