US Patent 7288060 Centrifugal separator

Patent 7288060 was granted and assigned to Hitachi on October, 2007 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Hitachi

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

72880600

Patent Inventor Names

Hiroyuki Takahashi0

Date of Patent

October 30, 2007

Patent Application Number

113368470

Date Filed

January 23, 2006

Patent Primary Examiner

‌

Charles E. Cooley

Patent abstract

A centrifugal separator is configured such that a switching unit adapted to be brought into electrical conduction or electrical nonconduction is electrically connected in a drive power supply line between a motor drive circuit of a control unit and a motor winding wire, and that the switching unit is controlled to be brought into nonconduction when a door is opened.