发明名称 |
Electromagnetic vibratory exciter |
摘要 |
An electromagnetic vibratory exciter having a non-linear elastomeric compression spring mounted in four quadrants around an electromagnet. The spring having curved armature contact surfaces of different heights on laterally opposite adjacent quadrants for providing selectable non-linear stiffening and deflection rates.
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申请公布号 |
US4719376(A) |
申请公布日期 |
1988.01.12 |
申请号 |
US19850790792 |
申请日期 |
1985.10.24 |
申请人 |
FMC CORPORATION |
发明人 |
DEAN, ARTHUR L.;KRAFT, ROBERT E.;MARSHALL, KENNETH M. |
分类号 |
H02K33/12;(IPC1-7):H02K33/00 |
主分类号 |
H02K33/12 |
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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