Patent ID: 11885330
Assignee: FUJITSU GENERAL LIMITED
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 6:
7. The rotary compressor according to claim 1, wherein the lower end plate includes a lower discharge valve cap that is provided in a layered manner on the lower discharge valve and that regulates opening of the lower discharge valve, and a lower rivet that fixes the proximal end portion of the lower discharge valve to the lower end plate, and the lower discharge valve cap and the lower rivet are arranged in the lower discharge valve housing concave portion, and
when a total volume obtained by summing volumes of the lower discharge chamber concave portion, the lower discharge valve housing concave portion, and the bulging portion is set as A, a total volume obtained by summing volumes that the lower discharge valve, the lower discharge valve cap, and the lower rivet occupy in the lower discharge chamber concave portion and the lower discharge valve housing concave portion is set as B, and a total excluded volume, which is obtained by summing excluded volumes of the upper compression chamber and the lower compression chamber, is set as C,
the spatial volume (A−B) of the lower end plate cover chamber is between 20% and 40% inclusive of the total excluded volume C.