Lattice-structures and constructs with designed thermal expansion coefficients
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United States of America Patent
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Oct 28, 2014
Grant Date -
Sep 19, 2013
app pub date -
Sep 7, 2012
filing date -
Sep 7, 2011
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Abstract
A thermal expansion-managed lattice structure having a plurality of unit cells each having flexure bearing-mounted tabs supported on a base and actuated by thermal expansion of an actuator having a thermal expansion coefficient greater than the base and arranged so that the tab is inwardly displaced into a base cavity. The flexure bearing-mounted tabs are connected to other flexure-bearing-mounted tabs of adjacent unit cells so that the adjacent unit cells are spaced from each other to accommodate thermal expansion of individual unit cells while maintaining a desired bulk thermal expansion coefficient of the lattice structure as a whole.
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