发明名称 |
Gear pump or motor with tooth tips of dissimilar metal |
摘要 |
A gear pump and motor is provided having increased life and efficiency as a result of improved wiping action of the gear teeth on the inner periphery of the pump chamber. This is accomplished by providing a non-smooth surface layer of a dissimilar metal such as a carbide on the tip ends of the teeth.
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申请公布号 |
US4682939(A) |
申请公布日期 |
1987.07.28 |
申请号 |
US19860843675 |
申请日期 |
1986.03.25 |
申请人 |
COMMERCIAL SHEARING, INC. |
发明人 |
PETRO, JOHN D. |
分类号 |
F04C2/08;(IPC1-7):F03C2/08;F04C2/18 |
主分类号 |
F04C2/08 |
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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