Power Conversion Device
First Claim
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1. A power conversion device comprising:
- a bus bar for transferring current;
a current sensor having a core part for forming a throughhole for penetrating the bus bar therein;
a base part arranged inside the throughhole of the core part to oppose the bus bar; and
a heat transfer member,wherein the base part has an extended part protruding from the throughhole, andthe extended part is extended to the heat transfer member and thermally contacts with the heat transfer member.
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Abstract
It is an object of the present invention to further lower the temperature of a bus bar penetrating through a current sensor. A power conversion device according to the present invention includes: a bus bar for transferring current; a current sensor having a core part for forming a throughhole for penetrating the bus bar therein; a base part arranged inside the throughhole of the core part to oppose the bus bar; and a heat transfer member, wherein the base part has an extended part protruding from the throughhole, and the extended part is extended to the heat transfer member and thermally contacts with the heat transfer member.
12 Citations
4 Claims
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1. A power conversion device comprising:
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a bus bar for transferring current; a current sensor having a core part for forming a throughhole for penetrating the bus bar therein; a base part arranged inside the throughhole of the core part to oppose the bus bar; and a heat transfer member, wherein the base part has an extended part protruding from the throughhole, and the extended part is extended to the heat transfer member and thermally contacts with the heat transfer member. - View Dependent Claims (2, 3, 4)
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Specification
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Current AssigneeHitachi Automotive Systems Limited (Hitachi, Ltd.)
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Original AssigneeHitachi Automotive Systems Limited (Hitachi, Ltd.)
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InventorsISHII, Akira, YAMAI, Hiroyuki, KATO, Takeshi
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Application NumberUS15/535,733Publication NumberTime in Patent OfficeDaysField of SearchUS Class CurrentCPC Class CodesH02M 7/003 Constructional details, e.g...H05K 7/2089 for power electronics, e.g....H05K 7/20927 Liquid coolant without phas...
