192 clutches and power-stop control – Vortex-flow drive and clutch
Reexamination Certificate
2006-06-08
2009-06-09
Bonck, Rodney H (Department: 3655)
192 clutches and power-stop control
Vortex-flow drive and clutch
C477S098000, C701S051000
Reexamination Certificate
active
07543693
ABSTRACT:
The temperature of a friction engagement device of an automatic transmission is estimated, and the target speed ratio of a torque converter increases as the estimated temperature of the friction engagement device increases. The engagement load of the friction engagement device is then controlled so as to achieve the increased target speed ratio of the torque converter.
REFERENCES:
patent: 2004/0242360 (2004-12-01), Nakayashiki et al.
patent: 2005/0222734 (2005-10-01), Akaike
patent: 2004-353844 (2004-12-01), None
Nakayashiki Makoto
Watanabe Kazuyuki
Bonck Rodney H
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Toyota Jidosha & Kabushiki Kaisha
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