Gravity gradiometer with torsion flexure pivots
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United States of America Patent
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Jun 19, 2012
Grant Date -
Apr 29, 2010
app pub date -
Oct 23, 2009
filing date -
Oct 24, 2008
priority date (Note) -
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Abstract
A quadrupole responder for an OQR-type gravity gradiometer comprises a housing, and a mass quadrupole positioned within the housing. The mass quadrupole has a pair of sides, and also has a center of mass between the sides. At least a pair of torsion spring flexures are provided by pins connecting said side of said mass quadrupole to the housing. The torsion spring flexures provide an axis of rotation which passes through the center of mass of the mass quadrupole and through both spring flexures. The pins are integral with the mass quadrupole.
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