System and method of controlling idle-stop vehicle

Details System and method of controlling idle-stop vehicle System and method of controlling idle-stop vehicle

2007-07-24

2007-07-24

Lewis, Tisha (Department: 3681)

Interrelated power delivery controls, including engine control

Transmission control

Control by sensed ambient condition, pattern indicia,...

C477S181000

Reexamination Certificate

active

11174609

ABSTRACT:
A system for controlling an idle-stop vehicle includes an ECU which carries out idle stop when the idle-stop permission conditions are established, and engine restart and engagement of a forward clutch when the idle-stop release conditions are established after engine stop. The ECU is so programmed as to estimate a heat generation amount of the forward clutch at engine restart after idle stop, permit next idle stop when the heat generation amount is smaller than a first set value, permit next idle stop, after a lapse of a predetermined time, when the heat generation amount is equal to or greater than the first set value and equal to or smaller than a second set value which is greater than the first set value, and prohibit next idle stop when the heat generation amount is greater than the second set value.

REFERENCES:
patent: 6123645 (2000-09-01), Hopper
patent: 6881167 (2005-04-01), Inada
patent: 2006/0184304 (2006-08-01), Katou et al.
patent: 2006/0189436 (2006-08-01), Nakashima et al.
patent: 2006/0194672 (2006-08-01), Ochi et al.
patent: 2003-227565 (2003-08-01), None

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