Switch and relay using shape memory alloy
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United States of America Patent
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Oct 17, 2000
Grant Date -
N/A
app pub date -
Jun 12, 1998
filing date -
Jun 12, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A novel shape memory alloy electrical switch is disclosed, including both momentary and especially a latching relay. The switch/relay disclosed is particularly useful in low power control of appliances, including i.a. refrigerators. Used with a microprocessor, microcontroller, or like device to control the shape memory alloy switch/relay, an adaptive control routine may be included which facilitates an especially low-power dissipation, highly effective appliance control module, especially suitable for refrigerators. The disclosed refrigerator control module can be manufactured at low cost with high reliability.
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