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

Claim 6:
7. A device, comprising:
a shaft having a rotational axis;
a rotor coupled to the shaft, the rotor being configured to receive vanes;
a stator;
a first seal coupled to a first side of the rotor, the first seal including one or more first grooves that extend in a direction substantially parallel to the rotational axis;
a second seal coupled to a first side of the stator, the second seal including one or more second grooves that extend in the direction substantially parallel to the rotational axis, the one or more second grooves being complimentary with the one or more first grooves;
a third seal coupled to a second side of the rotor;
a fourth seal coupled to a second side of the stator; and
chambers sealed at least in part by the first seal, the second seal, the third seal, and the fourth seal.