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.

Date of Patent:
Jan. 20, 2004

Filed:

May. 17, 2002
Applicant:
Inventors:

Hiromichi Murakami, Nishikasugai, JP;

Daisuke Yamamoto, Komaki, JP;

Hiroshi Suwahara, Toyota, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01P 7/14 ;
U.S. Cl.
CPC ...
F01P 7/14 ;
Abstract

An engine cooling system controls a cooling degree of an engine according to an operating condition thereof by circulating cooling water through the engine. This system is provided with a flow rate regulating valve for regulating a circulation flow rate of the cooling water. An electronic control unit (ECU) controls the valve to open at a predetermined opening when determining the engine as being stopped. In this opening control, the ECU controls to bring a valve element into contact with a valve body once and then move the valve element to determine the predetermined opening with reference to a full-closed position of the valve element.


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