发明授权
- 专利标题： Male and female screw rotor assembly with specific tooth flanks
- 专利标题（中）： 具有特定齿面的公螺母转子组件
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申请号： US186646申请日： 1980-09-12
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公开(公告)号： US4401420A公开(公告)日： 1983-08-30
- 发明人: Katsuhiko Kasuya , Mitsuru Fujiwara , Masaya Imai , Tetsuzo Matsunaga , Yasuo Takahashi
- 申请人： Katsuhiko Kasuya , Mitsuru Fujiwara , Masaya Imai , Tetsuzo Matsunaga , Yasuo Takahashi
- 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： JPX54-117259 19790914
- 主分类号： F01C1/16
- IPC分类号： F01C1/16 ; F01C1/08 ; F04C18/16 ; F16H55/08
摘要：
An oil-cooled type screw rotor assembly having a female rotor and a male rotor adapted to rotate around parallel axes in meshing relation to each other. The leading side flank of the female rotor is constituted by a first leading side flank formed by an arc of a radius R.sub.1 and a second leading side flank formed by an arc of a radius R.sub.2. Also, the trailing side flank of the female rotor is constituted by a first trailing side flank formed by an arc of the tooth ends of the male rotor having a radius R.sub.5 and a second trailing side flank formed by an arc of a radius R.sub.3 which is smaller than the radius R.sub.2 of the second leading side flank. The configuration of the teeth of the male rotor is materially formed by arcs of the leading and trailing side flanks of the female rotor.
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