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:
Aug. 04, 2009
Filed:
Jun. 02, 2005
Yasushi Kusaka, Susono, JP;
Shuichi Ezaki, Susono, JP;
Toshiaki Asada, Mishima, JP;
Kimitoshi Tsuji, Susono, JP;
Yasushi Kusaka, Susono, JP;
Shuichi Ezaki, Susono, JP;
Toshiaki Asada, Mishima, JP;
Kimitoshi Tsuji, Susono, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A valve driving device (), that converts rotational motion outputted from a valve-driving source to linear motion through cam mechanisms () provided to respective cylinders () and drives valves () in respective cylinders through the linear motion, the valve driving device is equipped with electric motors () that are shared as the valve-driving source in a group of cylinders comprising a plurality of cylinders in which open-valve periods of the valves do not overlap; and motion-transmission mechanisms () that transmit rotational motion of the electric motors () to cams () in respective cam mechanisms () in the group of cylinders.