Rotary device with reciprocating vanes and seals therefor

Details Rotary device with reciprocating vanes and seals therefor Rotary device with reciprocating vanes and seals therefor

2011-03-01

2011-03-01

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Plural working chambers

Axially spaced working chambers

C418S145000, C418S153000, C418S261000, C277S562000, C277S566000

Reexamination Certificate

active

07896630

ABSTRACT:
A rotary device comprises a stator and a rotor. The stator has a cam surface. The rotor has a sleeve and a hub. There is a plurality of vanes reciprocatingly mounted on the rotor. There is a plurality of first longitudinal edge seals disposed on the sleeve. The first longitudinal edge seals each seal at least a portion of a first longitudinal edge of one of the vanes against the sleeve. There is a plurality of second longitudinal edge seals disposed on the hub. The second longitudinal edge seals each seal at least a portion of a second longitudinal edge of one of the vanes against the hub. There is a plurality of end edge seals. The end edge seals each seal a respective end edge of one of the vanes against the cam surface. The end edge seals each are in sealing engagement with respective ones of the first and second longitudinal edge seals.

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