Interrelated power delivery controls – including engine control – Clutch control – Condition responsive control
Patent
1995-01-26
1997-03-11
Ta, Khoi Q.
Interrelated power delivery controls, including engine control
Clutch control
Condition responsive control
477175, 477176, 477906, F16H 6114, F16H 4706
Patent
active
056095520
ABSTRACT:
A method and apparatus for use with an automotive vehicle having an automatic transmission operable with a working fluid. The automatic transmission is coupled to an engine through a torque converter operable in a lockup mode where a mechanical connection is completed between the engine and the automatic transmission in response to a lockup command signal. A degree to which the working fluid is degraded is detected while the torque converter is operating in response to the lockup command signal which is produced when the vehicle speed exceeds a reference value. When the detected degree exceeds a predetermined value, the reference vehicle speed value is increased.
REFERENCES:
patent: 4969099 (1990-11-01), Iwatsuki et al.
patent: 5016174 (1991-05-01), Ito et al.
patent: 5046175 (1991-09-01), Lentz et al.
patent: 5425687 (1995-06-01), Taga et al.
patent: 5475590 (1995-12-01), Palansky et al.
Furuya Masayuki
Michioka Hirofumi
Nissan Motor Co,. Ltd.
Ta Khoi Q.
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