US 7,320,273 B2
Compressor
Sakae Hayashi, Saitama (Japan); Hiroshi Kanai, Saitama (Japan); Shunichi Furuya, Saitama (Japan); and Osamu Takazawa, Saitama (Japan)
Assigned to Zexel Valeo Climate Control Corporation, Saitama (Japan)
Appl. No. 10/540,583
PCT Filed Nov. 13, 2003, PCT No. PCT/JP03/14430
§ 371(c)(1), (2), (4) Date Jun. 24, 2005,
PCT Pub. No. WO2004/061307, PCT Pub. Date Jul. 22, 2004.
Claims priority of application No. 2002-376859 (JP), filed on Dec. 26, 2002.
Prior Publication US 2006/0110264 A1, May 25, 2006
Int. Cl. F01B 3/00 (2006.01); F01B 13/04 (2006.01)
U.S. Cl. 92—71  [91/499] 20 Claims
OG exemplary drawing
 
1. A compressor used in a refrigerating cycle wherein:
in an area where a bottom surface and an inner circumferential surface of a housing connect with each other, said bottom surface forms an R-shaped portion and said inner circumferential surface forms a sloping portion or an R-shaped portion with said sloping portion of said inner circumferential surface achieving a substantially circular conic contour connecting the largest diameter portion of said R-shaped portion at said bottom surface and said inner circumferential surface.