Interrelated power delivery controls – including engine control – Transmission control – Transmission controlled by engine
Patent
1998-07-24
1999-09-28
Ta, Khoi Q.
Interrelated power delivery controls, including engine control
Transmission control
Transmission controlled by engine
477117, 477158, F16H 6120
Patent
active
059578084
ABSTRACT:
A neutral control device of an automatic transmission of a motor vehicle is provided in which a neutral control condition is satisfied when an accelerator pedal is released while a forward drive range is being selected, and a hydraulic oil pressure applied to a forward drive engaging element that is to be engaged in the forward drive range is controlled using a line pressure as an original pressure, so that the forward drive engaging element has no engaging capacity when the neutral control condition is satisfied. In this neutral control device, the neutral control condition is determined to be failed when the accelerator pedal is depressed during neutral control so as to start the vehicle, and vehicle control means is provided for controlling the line pressure in a control mode different from a normal line pressure control mode, during a period that extends from a point of time when it is judged that the neutral control condition fails to be satisfied, to a point of time when the forward drive engaging element has a sufficient engaging capacity. This results in reduction of shocks when the vehicle is started immediately after cancellation of neutral control for preventing creeping of the vehicle.
REFERENCES:
patent: 4800497 (1989-01-01), Koori et al.
patent: 4930080 (1990-05-01), Suzuki
patent: 5107723 (1992-04-01), Yamashita et al.
patent: 5329830 (1994-07-01), Kitagawa et al.
patent: 5385511 (1995-01-01), Iizuka
patent: 5690581 (1997-11-01), Nadayoshi et al.
patent: 5707316 (1998-01-01), Tanahashi et al.
patent: 5749802 (1998-05-01), Tanahashi et al.
patent: 5842950 (1998-12-01), Tsutsui et al.
Jatco Corporation
Ta Khoi Q.
LandOfFree
Neutral control device of automatic transmission does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Neutral control device of automatic transmission, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Neutral control device of automatic transmission will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-696333