Rotary expansible chamber devices – Working member has planetary or planetating movement – Plural working members or chambers
Patent
1987-02-25
1988-04-05
Vrablik, John J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Plural working members or chambers
418144, 277 81P, F01C 1908, F01C 110
Patent
active
047355603
ABSTRACT:
A seal assembly for an outer envelope trochoidal rotary device having a rotor that planetates around a housing is provided. The seal arrangement comprises a series of side seals disposed in side walls in the housing, the side seals being interconnected by button seals disposed in the side walls of the housing between side seals. The side seals and button seals are spring biased outwardly against the rotor. Each side seal includes a pair of identical oppositely disposed seal strips having an elongated body member and a triangular portion. The elongated body member includes a triangularly shaped relieved portion that has a shape corresponding to a side of the triangular portion. The seal strips are interconnected between two button seals so that the triangular portion of a first seal strip abuts a first button seal and the triangular portion of a second seal strip abuts a second button seal. The button seal includes a relieved area.
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Hoffmann Ralph
Wydra Larry
Vrablik John J.
Walnoha Leonard P.
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