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

Claim 16:
17. The rotary compressor of claim 15, wherein a back pressure Pd in the first main back pressure pocket; a pressure Pdv between a front end surface of the one vane of the plurality of vanes, the inner peripheral surface of the cylinder, and a contact point in contact the outer peripheral surface of the roller and the inner peripheral surface of the cylinder; a back pressure Pvh in the back pressure chamber at an inner end of the respective vane slot; and a back pressure Pm in the second main back pressure pocket satisfy:
a condition of the following [Equation 1] until the one vane of the plurality of vanes passes through the contact point in contact with the outer peripheral surface of the roller and the inner periphery of the cylinder and through the suction port.

Pd=Pdv=Pvh>Pm[Equation 1]