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Rotation flexure with temperature controlled modal frequency

United States Patent

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May 14, 2019
View the Complete Patent at the US Patent & Trademark Office
A flexure bearing includes an inner race, an outer race, and a plurality of substantially planar radially extending blades coupled between the inner and outer race. The blades have a thickness that is thinner than a thickness of the inner and outer races. The inner race, outer race, and blades have substantially the same height. At least one heating element is coupled to the inner race and/or the outer race. The heating element is configured to apply heat to the race that it is coupled to in order to tune the flexure bearing.
15/ 667,524
August 2, 2017
F16C 41/00 (20060101)F16C 17/24 (20060101)F16F 1/02 (20060101)F16C 37/00 (20060101)F16C 11/12 (20060101)F16C 27/04 (20060101)F16C 19/52 (20060101)F16C 17/22 (20060101)F16F 1/18 (20060101)
STATEMENT OF GOVERNMENTAL INTEREST This invention was developed under Contract DE-AC04-94AL85000 between Sandia Corporation and the U.S. Department of Energy. The U.S. Government has certain rights in this invention.