Brake device for vehicle

Details Brake device for vehicle Brake device for vehicle

1989-04-19

1990-10-09

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

192 33, 192 358, F16D 3300, B60K 4128

Patent

active

049614843

ABSTRACT:
A brake device includes a controller for inputting detection signals from an engine speed sensor, vehicle speed sensor, shift lever position sensor and engine exhaust brake sensor. When a vehicle speed upon application of engine exhaust brake is lower than a low speed set value of an effective vehicle speed corresponding to a shift lever position, a lockup clutch of a torque converter is disengaged by the controller; and when the vehicle speed is in a range from the low speed set value to a high speed set value of the effective vehicle speed, the lockup clutch is engaged by the controller; and when the vehicle speed exceeds the high speed set value, the lockup clutch is disengaged, and a transmission is down-shifted to a just lower gear range by the controller.

REFERENCES:
patent: 3805640 (1974-04-01), Schneider et al.
patent: 4027554 (1977-06-01), Ito et al.
patent: 4463842 (1984-08-01), Redzinski
patent: 4478322 (1984-10-01), Carlson et al.

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