发明名称 |
Monobloc housing for vacuum pump |
摘要 |
The invention concerns a pumping unit wherein the vacuum pump (100) is driven by a motor (3, 4) comprised in a common monobloc housing forming motor housing (5) and oil pan (18) containing a gear assembly (17) for coupling two parallel pump rotors (14). To complement the sealing conditions provided by a dynamic seal (6), the motor stator (4) consists of an electric coil embedded in an oil-tight and gas-tight resin, thereby not requiring other more expensive and bulky sealing means, reducing production cost and enhancing the pumping unit dependability.
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申请公布号 |
US2002150484(A1) |
申请公布日期 |
2002.10.17 |
申请号 |
US20020088168 |
申请日期 |
2002.03.15 |
申请人 |
RIVAL JEAN LUC;CACARD ALBERT;HOUZE FRANCOIS |
发明人 |
RIVAL JEAN LUC;CACARD ALBERT;HOUZE FRANCOIS |
分类号 |
F04D29/08;F01C21/10;F04C23/00;F04C29/00;F04C29/04;F04D29/00;F04D29/053;(IPC1-7):F04B17/00 |
主分类号 |
F04D29/08 |
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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