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:
Aug. 14, 2018
Filed:
Feb. 19, 2016
Ngk Spark Plug Co., Ltd., Nagoya-shi, Aichi, JP;
NGK SPARK PLUG CO., LTD., Nagoya, JP;
Abstract
An exhaust gas temperature control apparatus adjusts the temperature of exhaust gas in a stage before an exhaust gas purification unit disposed in an exhaust pipe passage of an internal combustion engine. The exhaust gas temperature control apparatus includes a heat reservoir which can store and radiate heat, a heating member which causes the heat reservoir to store heat, and a temperature control section which controls the temperature of the exhaust gas discharged from the exhaust gas temperature control apparatus by causing the heat reservoir to store heat or radiate heat in accordance with operation state of a vehicle on which the internal combustion engine is mounted.