Power conversion apparatus including wedge inserts
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United States of America Patent
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Jan 16, 2018
Issued Date -
N/A
app pub date -
Mar 28, 2014
filing date -
Mar 28, 2014
priority date (Note) -
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Abstract
A power conversion apparatus includes: a circuit body including a switching device; a base member forming a first concave portion and a cooling surface; and a wedge inserted in the first concave portion of the base member. The first concave portion of the base member is formed by a substrate portion forming the cooling surface, a first wall disposed on the opposite side of the substrate portion from the cooling surface, and an intermediate portion interconnecting the first wall and the substrate portion. The first wall forms an insertion space for insertion of the wedge, and a heat transfer plane forming a heat dissipating surface and a heat transfer path of the circuit body. The intermediate portion is plastically deformed by inserting the wedge into the insertion space, thus causing the first wall to be displaced toward the location of the circuit body.
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