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:
Sep. 16, 2008
Filed:
Sep. 18, 2006
Fumio Takamiya, Toyota, JP;
Shinji Sadakane, Susono, JP;
Toshio Imamura, Okazaki, JP;
Motoki Ohtani, Toyota, JP;
Fumio Takamiya, Toyota, JP;
Shinji Sadakane, Susono, JP;
Toshio Imamura, Okazaki, JP;
Motoki Ohtani, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
In a V-type 8-cylinder engine in which the torque for rotating an intake camshaft is higher when intake valves of a #1 cylinder and a #3 cylinder in a left bank are closed, respective noses of a cam for opening and closing the intake valve of the #1 cylinder and a cam for opening and closing the intake valve of the #3 cylinder are each formed at a phase position displaced by X° (X>0) in the advance direction further from the phase position displaced in the advance direction by 90° with respect to the nose of a cam for opening and closing the intake valve of a cylinder fired after a delay of 180° in crank angle.