Interrelated power delivery controls – including engine control – Transmission control – Continuously variable friction transmission
Patent
1999-07-19
2000-08-01
Wright, Dirk
Interrelated power delivery controls, including engine control
Transmission control
Continuously variable friction transmission
477901, B60K 4112
Patent
active
060959428
ABSTRACT:
In a continuously variable transmission, a speed change control device includes a vehicle speed sensor, a brake sensor, a release vehicle speed memory which, when the brake is operated, renews and stores the brake release vehicle speed, and a gradient sensor for detecting a running road gradient. When, in an engine brake running state, the present vehicle speed is higher than the brake release vehicle speed stored in the release vehicle speed memory, a speed change target value is obtained according to the difference between the present vehicle speed and the brake release vehicle speed and to the road gradient. And, when, in the same state, the present vehicle speed is lower than the brake release vehicle speed, the speed change target value is obtained according to the road gradient. The speed change control is carried out so as to obtain the speed change target value.
REFERENCES:
patent: 4671138 (1987-06-01), nobumoto et al.
patent: 5611748 (1997-03-01), Kashiwabara
patent: 5669847 (1997-09-01), Kashiwabara
patent: 5913746 (1999-06-01), Bauerle
Inoue Hirotoshi
Kitsutaka Eiji
Teshima Daihei
Yamaguchi Masaaki
Honda Giken Kogyo Kabushiki Kaisha
Wright Dirk
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