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. 15, 2008
Filed:
Dec. 29, 2005
Masatoshi Basaki, Nukata-gun, JP;
Tatsushi Nakashima, Anjo, JP;
Fumikazu Satou, Toyota, JP;
Motoki Ohtani, Toyota, JP;
Masatoshi Basaki, Nukata-gun, JP;
Tatsushi Nakashima, Anjo, JP;
Fumikazu Satou, Toyota, JP;
Motoki Ohtani, Toyota, JP;
Nippon Soken, Inc., Nishio, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
An engine ECU executes a program including the steps of: detecting an engine speed NE, a throttle angle THA and an amount of intake air GA; estimating an amount of intake air GAINI from the engine speed NE and the throttle angle THA; if the estimated amount of intake air GAINI minus the detected amount of intake air GA is larger than a predetermined deviation ΔGA(0) (YES at S), then causing an intake manifold injector to inject fuel to clear a deposit, as controlled, at the exhaust stroke when an intake valve is closed and at the intake stroke when the intake valve is opened and an exhaust valve is closed.