Electric actuators |
|||||||
| 申请号 | EP84303101 | 申请日 | 1984-05-09 | 公开(公告)号 | EP0125870A3 | 公开(公告)日 | 1985-04-17 |
| 申请人 | WESTINGHOUSE BRAKE AND SIGNAL COMPANY LIMITED; | 发明人 | Washbourn, Jack; Cogan, Howard Frederick; | ||||
| 摘要 | An electric actuator having an output member movable into and out of a force-exerting position, electric motor means operable both to move the output member to and from its force-exerting position and, when the output member is in that position, to control a spring system to generate a required output force on the output member, and means for withholding the spring system from generating a force on the output member until the output member is determined as being in its force-exerting position. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
QQ群二维码
意见反馈
意见反馈