发明授权
- 专利标题： Shape of suction hole and discharge hole of refrigerant compressor
- 专利标题（中）： 制冷剂压缩机吸入孔和出料孔的形状
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申请号： US09466662申请日： 1999-12-20
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公开(公告)号： US06318980B1公开(公告)日： 2001-11-20
- 发明人: Masayuki Kurihara , Iwao Uchikado , Yoshio Kimura , Tetsuya Noda , Kazuhiko Takai
- 申请人： Masayuki Kurihara , Iwao Uchikado , Yoshio Kimura , Tetsuya Noda , Kazuhiko Takai
- 优先权： JP9-360037 19971226; JP10-367166 19981224
- 主分类号： F04B3910
- IPC分类号： F04B3910
摘要：
Discharge holes and suction holes having shapes that suppress the turbulence of a refrigerant gas flow are disclosed. The shape of the discharge hole according to the present invention has a tapered surface wall, such that the circumference of the discharge hole increases from the piston cylinder surface to the discharge chamber surface. Similarly, the shape of the suction hole according to the present invention has a tapered surface wall such that the circumference of the suction hole increases from the suction chamber surface to the piston cylinder surface. The present invention allows the flow path of the refrigerant gas to flow approximately tangential to the valve reed by providing a tapered surface wall. The flow resistance of the discharge hole or the suction hole is reduced such that the volume efficiency of the compressor is improved and compressor noise is suppressed.