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:
Dec. 30, 2008
Filed:
Oct. 26, 2006
Makoto Iwanaka, Anjo, JP;
Shigeki Takami, Anjo, JP;
Ryuji Ibaraki, Nishikamo-gun, JP;
Tooru Matsubara, Toyota, JP;
Hiroyuki Shibata, Toyota, JP;
Makoto Iwanaka, Anjo, JP;
Shigeki Takami, Anjo, JP;
Ryuji Ibaraki, Nishikamo-gun, JP;
Tooru Matsubara, Toyota, JP;
Hiroyuki Shibata, Toyota, JP;
Aisin AW Co., Ltd., Anjo, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
An electric vehicle drive control device includes a first electric motor and a second electric motor; a differential device that includes first, second and third rotational elements, wherein the first rotational element is connected with the first electric motor, the second rotational element is connected with the second electric motor, and the third rotational elements is connected with the engine; a transmission that is connected with the second electric motor via a transmission shaft, and that shifts a speed of a rotation transferred from the transmission shaft; and a controller that: judges whether an engine start request for starting the engine is generated and whether a downshift request is generated; and starts, if the engine start request and the downshift request are generated, one of an engine start control and a downshift control when the other of the engine start control and the downshift control is executed.