Creep control device for vehicle

Details Creep control device for vehicle Creep control device for vehicle

2007-10-24

2010-10-19

Pang, Roger (Department: 3655)

Interrelated power delivery controls, including engine control

Transmission control

Including fluid drive

C477S176000, C477S901000, C477S904000

Reexamination Certificate

active

07815543

ABSTRACT:
A creep control device for a vehicle having an automatic transmission including a torque converter with a lock-up clutch. The creep control device includes a throttle angle sensor for detecting a throttle angle, a vehicle speed sensor for detecting a running speed of the vehicle, a slope sensor for detecting a road surface slope, and a lock-up clutch engagement control unit for controlling the degree of engagement of the lock-up clutch. When the throttle angle is detected to be nearly zero by the throttle angle sensor and the running speed is detected to be vary small or zero by the vehicle speed sensor in the condition where the shift position is in a running range, the degree of engagement of the lock-up clutch is controlled to decrease with an increase in the road surface slope by the lock-up clutch control unit.

REFERENCES:
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patent: 6056667 (2000-05-01), Sasaki
patent: 7044890 (2006-05-01), Kojima et al.
patent: 7530924 (2009-05-01), Brevick
patent: 2006/0094564 (2006-05-01), Ilda et al.
patent: 2008/0182721 (2008-07-01), Saitou et al.
patent: 2001-116067 (2001-04-01), None
patent: 2007192276 (2007-08-01), None

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