US Patent 7156623 Electric oil pump apparatus

Patent 7156623 was granted and assigned to Aisin Seiki on January, 2007 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Aisin Seiki

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

71566230

Patent Inventor Names

Isao Sakakibara0

Eiji Miyachi0

Date of Patent

January 2, 2007

Patent Application Number

103865120

Date Filed

March 13, 2003

Patent Primary Examiner

Patent abstract

An electric oil pump apparatus includes a pump housing a drive side communicating portion, a motor housing having a pump side communicating portion communicating with the drive side communicating portion, a bearing portion arranged at one of the drive side communicating portion and the pump side communicating portion, and a shaft rotatably supported by the bearing portion. A one end of the shaft extends in the pump housing and is provided with a drive rotor capable of feeding the oil in response to rotation of the shaft. The other end of the shaft extends in the motor housing and is provided with a permanent magnet.

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