发明名称 |
Vacuum pump system including serially connected rotary and reciprocating vacuum pumps |
摘要 |
A vacuum pump includes a rotary vacuum pump including a pair of rotors cooperating to suck gas, a driving source connected to a shaft of one of the pair of rotors, timing gears connected to respective shafts of the rotors and transmitting the driving force of the driving source between the shafts of the pair rotors, and a reciprocating vacuum pump connected to the driving source and connected to the downstream side of the rotary vacuum pump for sucking gas therefrom.
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申请公布号 |
US4662826(A) |
申请公布日期 |
1987.05.05 |
申请号 |
US19850724284 |
申请日期 |
1985.04.17 |
申请人 |
TOKICO LTD. |
发明人 |
NITTA, MICHIO;SUZUKI, HIROYUKI;FUKUHARA, YOSHIFUMI |
分类号 |
F04B37/10;F04B41/06;F04C23/00;F04C28/26;F04C29/00;(IPC1-7):F04B23/10 |
主分类号 |
F04B37/10 |
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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