The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 31, 2012
Filed:
Apr. 27, 2009
Applicants:
Takashi Matsutani, Toyota, JP;
Koichi Aizawa, Anjo, JP;
Inventors:
Takashi Matsutani, Toyota, JP;
Koichi Aizawa, Anjo, JP;
Assignees:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Aisin Seiki Kabushiki Kaisha, Kariya-Shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 49/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A control system is provided with an electric water pump that has a sensorless-type brushless motor including a rotor that rotates so as to circulate a coolant between an internal combustion engine and a radiator, and a control device that issues an instruction to stop the brushless motor and prohibits a start of the brushless motor till the rotor stops rotating.