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. 26, 2022
Filed:
Apr. 21, 2021
Denso Corporation, Kariya, JP;
Ryohei Sano, Kariya, JP;
Ko Tanaka, Kariya, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A gas sensor is provided in an exhaust passage of an engine mounted on a vehicle. The gas sensor includes a sensor element and a heater. The sensor element detects a concentration of a specific component in exhaust gas. The heater is energized with electricity from a power source to heat the sensor element. The heater energization control device controls an amount of electricity supplied to the heater. An ambient temperature acquisition unit acquires an ambient temperature, which is a temperature of an environment surrounding the engine. An energization control unit controls the amount of electricity supplied to the heater based on the ambient temperature in temperature raising energization in which a temperature of the sensor element is raised to an active temperature when the engine is started.