| 发明名称 |
Diaphragm type pump device having a cushion member |
| 摘要 |
A diaphragm type pump device has an elastic material imparting elasticity by the change of its volume which is placed in an operation chamber to decrease residual volume in the operation chamber when a diaphragm reaches the upper dead point.
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| 申请公布号 |
US4666378(A) |
申请公布日期 |
1987.05.19 |
| 申请号 |
US19860873484 |
申请日期 |
1986.06.12 |
| 申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
OGAWA, HITOSHI |
| 分类号 |
F04B45/04;F04B43/02;(IPC1-7):F04B21/02;F01B19/02 |
主分类号 |
F04B45/04 |
| 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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