Retarding control apparatus which operates on the basis of signa

Details Retarding control apparatus which operates on the basis of signa Retarding control apparatus which operates on the basis of signa

1994-01-21

1994-10-18

Black, Thomas G.

Boots, shoes, and leggings

3644241, 36443107, 123319, 477 92, F02D 4500, B60K 4106

Patent

active

053574443

ABSTRACT:
A retarding control apparatus for controlling operation of a retarder, which is connected to an automatic transmission, by operating a retarder actuating device by manipulation of a retarder changeover switch includes control unit, to which are inputted a shift position signal, a throttle opening signal and a changeover signal from the retarder changeover switch, for outputtig an operating signal to the retarder actuating device. When the control unit receives the changeover signal from the retarder changeover switch for actuating the retarder and decides that a manual downshift has taken place based upon the shift position signal and throttle opening signal, the control unit diminishes the operating signal to the retarder actuating device in such a manner that braking force produced by the retarder is reduced by a prescribed value.

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