Control device for hydraulic automatic transmission for vehicle

Details Control device for hydraulic automatic transmission for vehicle Control device for hydraulic automatic transmission for vehicle

2008-04-29

2008-04-29

Lewis, Tisha (Department: 3681)

Interrelated power delivery controls, including engine control

Transmission control

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

Reexamination Certificate

active

11246101

ABSTRACT:
A control device for a hydraulic automatic transmission for a vehicle, including start control device for supplying a hydraulic pressure to a first hydraulic engaging element for a low-speed position and a second hydraulic engaging element for a high-speed position in performing in-gear control by a select operation from a nonforward range to a forward range, thereby first setting a shift position to the high-speed position and next switching the high-speed position to the low-speed position; temperature detecting device for detecting the temperature of a power train; and high-speed position setting operation inhibiting device for inhibiting a high-speed position setting operation by the start control device in the case that the temperature detected by the temperature detecting device is greater than or equal to a predetermined value.

REFERENCES:
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patent: 6915681 (2005-07-01), Kaigawa et al.
patent: 7-71584 (1995-03-01), None
patent: 8-247275 (1996-09-01), None
patent: 8-277922 (1996-10-01), None
patent: 10205616 (1998-08-01), None
patent: 3266320 (2002-01-01), None

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