Patent ID: 11873816
Assignee: REGI U.S., INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A rotary device, comprising:
a shaft;
a rotor coupled to the shaft and configured to rotate with the shaft, the rotor defining a plurality of slots;
a plurality of vanes, individual vanes of the plurality of vanes residing at least partially within individual slots of the plurality of slots;
a stator including a cam surface, the individual vanes of the plurality of vanes engaging with the cam surface;
a first seal coupled to the rotor, the first seal including first grooves extending in a direction substantially parallel to a rotational axis of the shaft;
a second seal coupled to the stator, the second seal including second grooves extending in the direction substantially parallel to the rotational axis, the first grooves and the second grooves forming a first labyrinth seal for chambers of the rotary device;
a third seal coupled to the rotor, the third seal including third grooves extending in the direction substantially parallel to the rotational axis; and
a fourth seal coupled to the stator, the fourth seal including fourth grooves extending in the direction substantially parallel to the rotational axis, the third grooves and the fourth grooves forming a second labyrinth seal for the chambers of the rotary device.