发明名称 |
Roots type pump and fuel cell system |
摘要 |
There is disclosed a Roots type pump in which two rotors are rotated synchronously in a pump chamber to compress fluid therein, wherein respective stop positions of the rotors in the pump chamber at a time of stopping the pump are determined independently of each other.
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申请公布号 |
US7794218(B2) |
申请公布日期 |
2010.09.14 |
申请号 |
US20060083769 |
申请日期 |
2006.11.06 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
FUJITA NOBUO |
分类号 |
F03C2/00;F03C4/00;F04C18/00 |
主分类号 |
F03C2/00 |
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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