发明授权
- 专利标题： Rotary compressor with shaft balancers
- 专利标题（中）： 带平衡机的旋转压缩机
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申请号： US440209申请日： 1989-11-22
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公开(公告)号： US5230616A公开(公告)日： 1993-07-27
- 发明人: Yukio Serizawa , Osami Matsushita , Motohiro Shiga , Masatsune Sutou , Hiroaki Hata , Koichi Sekiguchi , Yuukichi Nakada
- 申请人： Yukio Serizawa , Osami Matsushita , Motohiro Shiga , Masatsune Sutou , Hiroaki Hata , Koichi Sekiguchi , Yuukichi Nakada
- 申请人地址： JPX Tokyo
- 专利权人： Hitachi, Ltd.
- 当前专利权人： Hitachi, Ltd.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX63-305987 19881205
- 主分类号： F04B39/00
- IPC分类号： F04B39/00 ; F04B35/01 ; F04C23/02 ; F04C29/00
摘要：
A rotary compressor has an electric motor and a compressing mechanism drivingly connected together by a crank shaft and disposed in a closed housing. The compressing mechanism has a rolling piston rotatable in a cylinder bore and driven by an eccentric portion of the crank shaft. First, second and third balancers are mounted on an end of the crank shaft and on the opposite ends of a motor rotor, respectively. The second and third balancers are formed therein with weight-adjusting holes by which the masses of the second and third balancers are finely adjusted to fall within tolerable ranges.
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