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:
Dec. 06, 2016

Filed:

Aug. 19, 2015
Applicant:

Mazda Motor Corporation, Aki-gun, Hiroshima, JP;

Inventors:

Kotaro Takahashi, Hiroshima, JP;

Nobuo Yunoki, Aki-gun, JP;

Masahiro Naito, Hiroshima, JP;

Assignee:

Mazda Motor Corporation, Hiroshima, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/02 (2006.01); F01N 3/10 (2006.01); F02M 25/07 (2006.01); F01P 7/14 (2006.01); F01P 3/20 (2006.01);
U.S. Cl.
CPC ...
F01P 7/14 (2013.01); F01P 3/20 (2013.01); F02M 25/0703 (2013.01); F02M 25/0709 (2013.01); F02M 25/0728 (2013.01); F02M 25/0738 (2013.01); F01P 2060/16 (2013.01);
Abstract

A cooling system for an engine is provided. The cooling system includes an EGR device including an EGR passage for recirculating exhaust gas into an intake passage, an EGR valve for adjusting a flow rate of the recirculating exhaust gas, and an EGR cooler for cooling the recirculating exhaust gas, an EGR valve controller for controlling the EGR valve, coolant flow paths including a first flow path and a second flow path and where coolant circulates, a coolant pump for circulating coolant within the coolant flow paths, a flow rate control valve for adjusting a flow rate of the coolant through the second flow path, a temperature detector for detecting a coolant temperature within the first flow path, and a valve controller for adjusting a flow rate control valve opening based on the detected temperature.


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