US 7,513,847 B2
Control device for vehicular drive system
Atsushi Tabata, Okazaki (Japan); and Yutaka Taga, Aichi-gun (Japan)
Assigned to Toyota Jidosha Kabushiki Kaisha, Toyota-shi (Japan)
Filed on Sep. 17, 2007, as Appl. No. 11/898,851.
Application 11/898851 is a division of application No. 11/092819, filed on Mar. 30, 2005, granted, now 7,396,316.
Claims priority of application No. 2004-132029 (JP), filed on Apr. 27, 2004; application No. 2004-165807 (JP), filed on Jun. 03, 2004; and application No. 2005-040653 (JP), filed on Feb. 17, 2005.
Prior Publication US 2008/0200303 A1, Aug. 21, 2008
Int. Cl. H02P 17/00 (2006.01); B60W 10/04 (2006.01); B60W 10/10 (2006.01)
U.S. Cl. 477—15  [477/37; 477/41; 903/930; 903/940] 18 Claims
OG exemplary drawing
 
1. A control device for a vehicular drive system comprising (a) a continuously-variable transmission portion including a differential mechanism having a first element connected to an engine, a second element connected to a first electric motor and a third element connected to a power transmitting member, and further including a second electric motor disposed in a power transmitting path between said power transmitting member and a drive wheel of a vehicle, said continuously-variable transmission portion functioning as an electrically controlled continuously variable transmission, and (b) a transmission device constituting a portion of said power transmitting path, said control device comprising:
a continuously-variable shifting control portion operable during a shifting control of said transmission device, for implementing a shifting control of said continuously-variable transmission portion in synchronization with said shifting control of said transmission device, such that a speed ratio defined by said continuously-variable transmission portion and said transmission device is continuously changed.