Rotary expansion power unit with valve disc connected to cranksh

Details Rotary expansion power unit with valve disc connected to cranksh Rotary expansion power unit with valve disc connected to cranksh

1979-10-29

1981-10-27

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

418 94, 418104, 418142, 418183, F01C 122, F01C 1900, F01C 2112

Patent

active

042970903

ABSTRACT:
A rotary expansion power unit, such as a steam engine, which has a planetating rotor in a housing having an epitrochoidal cavity. In known engines, hot expansion fluid is directed through a hollow interior in the rotor and surrounds the rotor journal bearing. This leads to excessive expansion of the rotor and requires an excessive flow of cooling oil to the bearing. The invention isolates the expansion fluid from the interior of the rotor by having a valve disc fastened to the rotor crankshaft with a first seal means between the valve disc and housing end wall and a second seal means between the valve disc and rotor.

REFERENCES:
patent: 2871831 (1959-02-01), Patin
patent: 3323712 (1967-06-01), Froede et al.
patent: 3369740 (1968-02-01), Abermeth
patent: 3781147 (1973-12-01), Sato
patent: 3881847 (1975-05-01), Chen
patent: 4047856 (1977-09-01), Hoffman

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