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:
Oct. 05, 2010
Filed:
Jun. 26, 2006
Shinji Sadakane, Susono, JP;
Motoki Ohtani, Toyota, JP;
Kazutaka Fujioka, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
An engine ECU executes a program including the steps of: detecting an engine speed NE, engine load, and engine coolant temperature (S, S, S); when determination is made of being in an idle region (YES at S), determining whether in a cold idle region, a transitional region, or a warm idle region (S); injecting fuel from an intake manifold injector alone when in the cold idle region (S); injecting fuel from the intake manifold injector and injecting fuel from an in-cylinder injector at the feed pressure when in the transitional region (S); and injecting fuel from the in-cylinder injector at the feed pressure when in the warm idle region (S).