Control system for changing the time period at which torque is i

Details Control system for changing the time period at which torque is i Control system for changing the time period at which torque is i

1997-04-28

1998-11-24

Ta, Khoi Q.

Interrelated power delivery controls, including engine control

Transmission control

Engine controlled by transmission

477110, 477111, F02D 4104

Patent

active

058399879

ABSTRACT:
A control system for an internal combustion engine for an automotive vehicle increases the output torque of the engine during an upshift of the automatic transmission so as to reduce a shock generated during the upshift. Time periods are measured over which respective speed clutches of the automatic transmission have been disengaged. The timing of increasing the output torque of the engine during the upshift of the automatic transmission is changed, based on one of the time periods measured over which one of the speed clutches of the automatic transmission to be selected for the upshift has been disengaged.

REFERENCES:
patent: 5058013 (1991-10-01), Iwatsuki et al.
patent: 5091854 (1992-02-01), Yoshimura et al.
Patent Abstracts of Japan, vol. 018, No. 143 (M-1574), 9 Mar. 1994 & JP 05 321707 A (Nippondenso Co Ltd), 7 Dec. 1993.
Patent Abstracts of Japan, vol. 009, No. 303 (M-434.sub.-, 30 Nov. 1985 & JP 60 139537 A (Honda Giken Kogyo KK), 24, Jul. 1985.

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