Interrelated power delivery controls – including engine control – Transmission control – Continuously variable friction transmission
Reexamination Certificate
2007-02-20
2007-02-20
Le, David D. (Department: 3681)
Interrelated power delivery controls, including engine control
Transmission control
Continuously variable friction transmission
C477S044000, C477S045000, C477S050000, C477S107000, C477S110000, C477S906000
Reexamination Certificate
active
11092037
ABSTRACT:
A transmission controller commands a demand torque of an engine to an engine controller according to an actual secondary pulley pressure that is detected by a secondary pulley pressure sensor when a vehicle speed is 0 km/h and a state wherein gear ratio is equal to or higher than a predetermined gear ratio is continued for a first predetermined time or more. Thereby, since an input torque corresponding to a secondary pulley pressure which is actually generated is inputted to a primary pulley even when a failure occurs in the secondary pulley rotation sensor, engine performance of a vehicle can be ensured.
REFERENCES:
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patent: 7029410 (2006-04-01), Sawada et al.
patent: 2004/0133318 (2004-07-01), Kang et al.
patent: 2004/0209719 (2004-10-01), Ochiai et al.
patent: 2005/0192153 (2005-09-01), Jozaki et al.
Specification and Claims of related co-pending U.S. Appl. No. 11/092,044.
Specification and Claims of related co-pending U.S. Appl. No. 11/092,537.
Abe Kousuke
Inoue Takuichiro
Oshita Hideki
Tanaka Hiroyasu
Yamamoto Masahiro
Jatco Ltd
Le David D.
Rossi Kimms & McDowell LLP
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