发明名称 |
Hydraulic cylinder for generating vibrations |
摘要 |
A hydraulic cylinder for generating vibrations which comprises: a cylinder body; a hollow piston rotatably mounted in said cylinder body; and a valve rotor rotatably engaged within said hollow piston, said valve rotor having a change-over valve portion adapted to be rotated for applying hydraulic loads to said piston alternately in axially opposite directions.
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申请公布号 |
US4317406(A) |
申请公布日期 |
1982.03.02 |
申请号 |
US19800171527 |
申请日期 |
1980.07.23 |
申请人 |
KABUSHIKI KAISHA TAKAHASHI ENGINEERING |
发明人 |
TAKAHASHI, IKUO |
分类号 |
B06B1/18;(IPC1-7):F15B21/02;F15B15/17 |
主分类号 |
B06B1/18 |
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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