- Patent Title: Apparatus for cost effective wireless actuator using SMA and MRC
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Application No.: US14597143Application Date: 2015-01-14
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Publication No.: US09777715B2Publication Date: 2017-10-03
- Inventor: Moshe Laifenfeld , Vladimir Suplin
- Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Applicant Address: US MI Detroit
- Assignee: GM Global Technology Operations LLC
- Current Assignee: GM Global Technology Operations LLC
- Current Assignee Address: US MI Detroit
- Agency: Miller IP Group, PLC
- Agent John A. Miller
- Main IPC: H02N10/00
- IPC: H02N10/00 ; F03G7/06 ; H01F38/14 ; H02J50/12 ; G01R35/00 ; B23Q15/00 ; B60L11/18 ; G01R27/02

Abstract:
A system and method for wirelessly controlling a shape memory alloy (SMA) actuator using magnetic resonant coupling (MRC). The SMA actuator is part of a receiver circuit including an actuator coil, where the SMA actuator is configured into a certain shape. The system includes a transmitter circuit having a transmitter coil and a controller, where the transmitter coil receives an AC current that causes the transmitter coil to generate an oscillating magnetic field in resonance with the actuator coil in the receiver circuit and be magnetically coupled thereto. The current induced in the actuator coil creates heat that reconfigures the SMA actuator to provide the actuation.
Public/Granted literature
- US20160201655A1 APPARATUS FOR COST EFFECTIVE WIRELESS ACTUATOR USING SMA AND MRC Public/Granted day:2016-07-14
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