SHIFT CONTROLLER FOR CONTINUOUSLY VARIABLE TRANSMISSION

申请公布号：JPH02169334(A)

申请号：JP19880324666

申请日期：1988.12.21

申请公布日期：1990.06.29

申请人：

FUJI HEAVY IND LTD

发明人：MIYAMA HIDEJI

分类号：B60W10/04;B60W10/02;B60W10/06;B60W10/10;B60W10/101;F02D29/00;F16H9/00;F16H59/18;F16H61/00;F16H61/02;F16H63/40;F16H63/50

主分类号：B60W10/04

摘要：PURPOSE:To aim at a shock reduction at time of a fuel cut by compensating a fuel injection quantity for decrement as delaying an up-shift at time of release form an accelerator operated state, in a driving system which combines an engine, controlling its fuel injection by means of a D jetronic method, together with a continuously variable transmission. CONSTITUTION:A continuously variable transmission 4 is connected to an output shaft of an engine 1 via an electromagnetic clutch 2 of a magnetic dust type or the like and a forward-backward selector 3, while the output is made so as to be transmitted to driving wheels 9 via a differential gear 7 or the like, and the engine 1 is made up of installing a D jetronic fuel injection control system to find a fuel injection quantity on the basis of intake negative pressure and engine speed. In a suchlike driving system, when an accelerator is open, namely, at the time of deceleration judgement, the judging signal is inputted into an up-shift delaying part, and an up-shift is started after being delayed as long as the specified time. At this deceleration judgement, the fuel injection quantity is controlled so as to decreased according to the intake negative pressure. With this constitution, any shock at time of a fuel cut is made reducible.

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