US Patent 7552908 Solenoid drive apparatus

Patent 7552908 was granted and assigned to Denso on June, 2009 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Denso

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

75529080

Date of Patent

June 30, 2009

Patent Application Number

115206350

Date Filed

September 14, 2006

Patent Primary Examiner

‌

John Bastianelli

Patent abstract

A solenoid drive apparatus for driving a driven member by a magnetic attractive force includes a tubular magnetic metallic body, a coil, a magnetic metallic plate, and a magnetic gasket. The tubular magnetic metallic body has an opening portion at one end. The coil is received in the body from the opening portion and provides a magnetic field when the coil is energized. The magnetic metallic plate closes the opening portion of the body. The magnetic gasket is held between the body and the plate.