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:
Apr. 21, 2020
Filed:
Jul. 05, 2018
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Hidefumi Aikawa, Sunto-gun, JP;
Yoichi Ogura, Sunto-gun, JP;
Yuji Miyoshi, Susono, JP;
Masatoshi Yano, Hadano, JP;
Yu Ofune, Kariya, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Abstract
A control apparatus according to the invention is applied to a heat exchanging system comprising a connection system for connecting an engine water passage for heat exchanging water for cooling an internal combustion engine and the heater water passage for the heat exchanging water for heating a heater core to each other. The apparatus activates the connection system to connect the engine water passage to the heater water passage when a temperature of the heat exchanging water circulating through the engine water passage, is equal to or higher than the temperature of the heat exchanging water circulating through the heater water passage, and an interior of a vehicle is requested to be warmed up.