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:
Jun. 26, 2018
Filed:
Apr. 22, 2015
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Yosuke Matsumoto, Susono, JP;
Yasuhiro Kuze, Numazu, JP;
Noriyasu Adachi, Numazu, JP;
Yusuke Saito, Susono, JP;
Satoru Tanaka, Odawara, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, JP;
Abstract
A time point trepresents a time point when a turbocharged engine is brought into a decelerating state, and an opening degree of a throttle valve is decreased. A time point trepresents a time point when an opening command to an ABV is issued. When the ABV has an abnormality, and when a WGV is stuck open, a turbocharging pressure before the time point tshows a tendency to fall below a target turbocharging pressure, and a turbocharging pressure after the time point treduces slowly to approach a predetermined pressure. When the WGV is stuck closed, a turbocharging pressure before the time point tshows a tendency to exceed the target turbocharging pressure, and the turbocharging pressure after the time point treduces with vigor to approach the predetermined pressure.