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Title: Shape memory alloy actuator

Patent ·
OSTI ID:873922

An actuator for cycling between first and second positions includes a first shaped memory alloy (SMA) leg, a second SMA leg. At least one heating/cooling device is thermally connected to at least one of the legs, each heating/cooling device capable of simultaneously heating one leg while cooling the other leg. The heating/cooling devices can include thermoelectric and/or thermoionic elements.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
DOE Contract Number:
AC05-96OR22464
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Number(s):
US 6272857
OSTI ID:
873922
Country of Publication:
United States
Language:
English

References (1)

Multilayer Thermionic Refrigeration journal May 1998