NASA NTRS · 19760000117
Cyclical biodirectional rotary actuator
Abstract
Thermally powered device flips magnetometer between one of two positions located 180 deg apart and permits instrument calibration. Pair of heat-extensible springs selectively rotate shaft from one position to other when electric heaters bonded to them are energized.
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Stange, W. C.. 1976-03-01. Cyclical biodirectional rotary actuator. https://ntrs.nasa.gov/citations/19760000117
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