TEMPERATURE RESPONSIVE SWITCH WITH SHAPE MEMORY ACTUATOR

摘要

A temperature actuated switch having a resilient switch blade that is movab le between open and closed positions and extends perpendicular to an elongated actuator of shape memory alloy. The actuator has an elongated deformed shape at normal temperatures and a contracted recovered shape at an elevated temperature. An end portion of the actuator is attached to the switch blade to provide movement of same between open and closed positions as the actuator changes between its deformed and recovered shapes.