Importance

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Abstract

An electrical junction box includes a heat generating component and a cooling unit that cools the heat generating component. The cooling unit includes: a recess provided at the holding position of the heat generating component in a resin case that holds the heat generating component; packing that is provided along the peripheral edge of the recess, is compressed by the contact with the heat generating component, and seals the recess together with the heat generating component; and a heat transfer member that is housed in the recess and the inside surrounded by the packing, is solidified and is in contact with the heat generating component while the heat generating component does not generate heat, and is liquefied following the heat generation of the heat generating component.

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First Claim