| 发明名称 |
Hydraulic elevator and control method thereof |
| 摘要 |
A hydraulic elevator, wherein actual speed characteristics are detected so that they can be used together with desired speed characteristics in such a manner that the speed control accuracy of the car itself is improved.
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| 申请公布号 |
US4775031(A) |
申请公布日期 |
1988.10.04 |
| 申请号 |
US19870063300 |
申请日期 |
1987.06.18 |
| 申请人 |
HITACHI, LTD. |
发明人 |
NAKAMURA, ICHIRO;KOBAYASHI, SATOSHI;NARA, TOSHIHIKO |
| 分类号 |
B66B1/26;B66B1/24;(IPC1-7):B66B1/04 |
主分类号 |
B66B1/26 |
| 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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