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:
Oct. 01, 2019
Filed:
Mar. 26, 2018
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Yoshio Hasegawa, Toyota, JP;
Yuji Miyoshi, Susono, JP;
Tomohiro Shinagawa, Sunto-gun, JP;
Yoshiharu Hirata, Sunto-gun, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Abstract
The cooling apparatus of the engine according to the invention supplies the cooling water directly to the cylinder block water passage from the cylinder head water passage when the engine temperature is between first and second temperatures, and a supply of the cooling water to the heat exchanger is not requested. The first and second temperatures are lower than the engine completely-warmed temperature. The apparatus supplies the cooling water discharged from the cylinder block and head water passages, to the water passages through the heat exchanger when the engine temperature is between the second temperature and the engine completely-warmed temperature, and the supply of the cooling water to the heat exchanger is not requested.