发明名称 |
THERMAL EXPANSION CHAMBERS FOR AIRTIGHT CONTAINERS |
摘要 |
A hydraulic pump has a rotor and a hollow housing with a main interior chamber. The rotor is rotatably mounted in the main interior chamber. A smaller interior chamber is separated from the main interior chamber such that the smaller interior chamber retains gas therein when the main interior chamber is filled with a liquid. |
申请公布号 |
US2012014787(A1) |
申请公布日期 |
2012.01.19 |
申请号 |
US201113248568 |
申请日期 |
2011.09.29 |
申请人 |
PARAMONOFF ALEXANDER;RALPH ROBIE |
发明人 |
PARAMONOFF ALEXANDER;RALPH ROBIE |
分类号 |
F04D29/40 |
主分类号 |
F04D29/40 |
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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