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Shape memory alloy actuator

Patent ·
OSTI ID:873922
 [1]
  1. Knoxville, TN
+ Show Author Affiliations
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:
LOCKHEED MARTIN ENERGY RES COR
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

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Related Subjects

/60/
actuator
alloy
capable
connected
cooling
cooling device
cycling
device
device capable
devices
elements
heating
leg
legs
memory
memory alloy
positions
shape
shape memory
shaped
simultaneously
simultaneously heating
thermally
thermally connected
thermoelectric
thermoionic