Patent ID: 11891995
Assignee: LG ELECTRONICS INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 12:
13. The rotary compressor of claim 11, wherein at least one back pressure pocket is concavely disposed to communicate with the compression space on at least one of the main bearing or the sub bearing, wherein a back pressure chamber is disposed at an inner end of the respective vane slot so as to receive a back pressure from the back pressure pocket while communicating with the back pressure pocket to pressurize the one vane of the plurality of vanes toward the inner peripheral surface of the cylinder, and wherein the back pressure pocket communicates with the back pressure chamber to allow a front end surface of the one vane of the plurality of vanes to come into contact with the inner peripheral surface of the cylinder until the high-pressure refrigerant is bypassed to the suction port.