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, 2025
Filed:
Aug. 17, 2023
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Kazuya Miyaji, Okazaki, JP;
Teruhiko Miyake, Suntou-gun, JP;
Tomoyuki Tsuji, Nagakute, JP;
Yusuke Joh, Toyota, JP;
Yoshifumi Matsuda, Toyota, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A removal determination device that accurately determines a removal of an exhaust gas purification device from an exhaust pipe. The removal determination device comprises: an input temperature sensor detecting a temperature at an upstream side of casing; an output temperature sensor detecting a temperature at a downstream side of the casing; an engine stop time collector measuring a time period from an inactivation of an engine to a startup of the engine; and a determiner determining a presence of the exhaust gas purifying device based on the input temperature and the output temperature, in a case that the time period is equal to or longer than a predetermined time.