Patent ID: 7896630

Claim:
A rotary device comprising: a stator having a cam surface; a rotor having a sleeve and a hub, the sleeve rotatably engaging a periphery of the cam surface, and the hub extending to the cam surface; a plurality of vanes reciprocatingly mounted on the rotor, the vanes each having a first longitudinal edge which slidingly engages the sleeve, a second longitudinal edge which slidingly engages the hub, and an end edge which slidingly engages the cam surface; a plurality of first longitudinal edge seals disposed on the sleeve, the first longitudinal edge seals each sealing at least a portion of the first longitudinal edge of one of the vanes against the sleeve, and the first longitudinal edge seals each extending to the cam surface; a plurality of second longitudinal edge seals disposed on the hub, the second longitudinal edge seals each sealing at least a portion of the second longitudinal edge of one of the vanes against the hub, and the second longitudinal edge seals each extending to the cam surface; a plurality of end edge seals, the end edge seals each being disposed on a respective end edge of one of the vanes, the end edge seals each sealing the respective end edge of one of the vanes against the cam surface, and the end edge seals each being in sealing engagement with respective ones of the first and second longitudinal edge seals.