Invention Grant
- Patent Title: Electro-mechanical actuator equipped with a mechanical brake of coil spring type
- Patent Title (中): 机电执行器配有螺旋弹簧式机械制动器
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Application No.: US12260960Application Date: 2008-10-29
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Publication No.: US08356700B2Publication Date: 2013-01-22
- Inventor: Ernst Suter
- Applicant: Ernst Suter
- Applicant Address: CH Oberentfelden
- Assignee: Areva T&O AG
- Current Assignee: Areva T&O AG
- Current Assignee Address: CH Oberentfelden
- Agency: Nixon Peabody LLP
- Priority: FR0758659 20071029
- Main IPC: B65H59/10
- IPC: B65H59/10
Abstract:
An actuator having a frame which is fixed to an electric motor; a gear drive for transmitting motion from the motor to a drive shaft between two predetermined positions, and a brake consisting of a coil spring, having, when relaxed, an inside diameter that is smaller than the outside diameter of a support shaft that is fixed relative to the gear drive, and around which the spring is coiled, each of the two free ends of the spring being arranged in a respective slot, formed in the frame.
Public/Granted literature
- US20090107268A1 ELECTRO-MECHANICAL ACTUATOR EQUIPPED WITH A MECHANICAL BRAKE OF COIL SPRING TYPE Public/Granted day:2009-04-30
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