US Patent 7719833 Electronic control device

Patent 7719833 was granted and assigned to JTEKT on May, 2010 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

JTEKT

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

77198330

Patent Inventor Names

Tatsuya Inagaki0

Date of Patent

May 18, 2010

Patent Application Number

116743380

Date Filed

February 13, 2007

Patent Primary Examiner

Boris L. Chervinsky

Patent abstract

An upper lid forming an upper portion of a casing is formed by a metal (an aluminum alloy or the like) having a high heat radiation performance. The upper lid serves as a heat sink (a heat radiation member) radiating heat generated from electronic components within the casing to an external portion. A plurality of flat plate-shaped heat radiation fins are provided in an upper surface of the heat sink. A groove forming each of the heat radiation fins is open in a side surface of the heat sink without forming a step.