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. 23, 2016
Filed:
Dec. 12, 2011
Koji Hayashi, Aichi-gun, JP;
Masato Terashima, Toyota, JP;
Hiroyasu Harada, Toyota, JP;
Tomohito Ono, Gotenba, JP;
Hiroyuki Ishii, Nisshin, JP;
Koji Hayashi, Aichi-gun, JP;
Masato Terashima, Toyota, JP;
Hiroyasu Harada, Toyota, JP;
Tomohito Ono, Gotenba, JP;
Hiroyuki Ishii, Nisshin, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-ken, JP;
Abstract
A drive control device for a hybrid vehicle is provided with: a first differential mechanism having a first rotary element connected to a first electric motor, a second rotary element connected to an engine, and a third rotary element connected to an output rotary member; a second differential mechanism having a first rotary element connected to a second electric motor, a second rotary element, and a third rotary element, one of the second rotary element and the third rotary element being connected to the third rotary element of said first differential mechanism; a clutch configured to selectively couple the second rotary element of said first differential mechanism, and the other of the second and third rotary elements of said second differential mechanism which is not connected to the third rotary element of said first differential mechanism, to each other; and a brake configured to selectively couple said other of the second and third rotary elements of said second differential mechanism which is not connected to the third rotary element of said first differential mechanism, to a stationary member, the drive control device comprises: a resonance point change control portion configured to switch an operating state of at least one of said clutch and said brake when a resonance of a power transmitting system in said hybrid vehicle has been detected or forecasted.