| 发明名称 |
Drive system for multiple elevator cars in a single shaft |
| 摘要 |
The present invention is directed to an elevator system and method of controlling the speed of a linear motor driven elevator car to provide a means for operating multiple elevator cars in a single elevator shaft.
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| 申请公布号 |
US2003000778(A1) |
申请公布日期 |
2003.01.02 |
| 申请号 |
US20020172386 |
申请日期 |
2002.06.14 |
| 申请人 |
SMITH RORY;SWEET ROBERT H. |
发明人 |
SMITH RORY;SWEET ROBERT H. |
| 分类号 |
B66B1/14;B66B1/24;B66B1/30;B66B11/04;(IPC1-7):B66B1/06;B66B1/00 |
主分类号 |
B66B1/14 |
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