发明名称 |
Roots type blower with reduced gaps between the rotors |
摘要 |
A Roots type blower wherein a secondary gap distance for rotor is determined in accordance with a cross angle between a normal line at a point of the outer periphery of theoretical base curve of the rotor and a line extending through said point and the rotor center.
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申请公布号 |
US4666384(A) |
申请公布日期 |
1987.05.19 |
申请号 |
US19860889594 |
申请日期 |
1986.07.25 |
申请人 |
AISIN SEIKI KABUSHIKI KAISHA |
发明人 |
KAGA, MATASABURO;TAKEDA, TOSHIO |
分类号 |
F04C18/18;F04C18/12;(IPC1-7):F04C18/18 |
主分类号 |
F04C18/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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