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US Patent 7287501 Control device of internal combustion engine

Patent 7287501 was granted and assigned to Toyota on October, 2007 by the United States Patent and Trademark Office.

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Patent
Patent

Patent attributes

Current Assignee
Toyota
Toyota
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7287501
Date of Patent
October 30, 2007
Patent Application Number
11287313
Date Filed
November 28, 2005
Patent Primary Examiner
‌
Stephen K. Cronin
Patent abstract

A coil driving a contact of an ignition and injection relay is connected to a connection line of a main relay and an ECU. When an ignition switch is turned off, the ECU drives an ignition device and an injection device for a prescribed period thereafter. Then, the ECU turns off a main relay to perform self-shutting-off, and the ignition and injection relay is turned off interlocked with an operation of the main relay being turned off.

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