Method of reducing the speed of a vehicle having a collision avo

Details Method of reducing the speed of a vehicle having a collision avo Method of reducing the speed of a vehicle having a collision avo

1996-12-12

1999-03-30

Lefkowitz, Edward

Communications: electrical

External condition vehicle-mounted indicator or alarm

Transmitter in another vehicle

340904, 340435, 340436, 180169, 180271, 367909, 701301, G08G 116

Patent

active

058894764

ABSTRACT:
A method of reducing the travelling speed of a vehicle which has a multi-cylinder, piston-type internal-combustion engine, a variably controllable valve drive and a collision avoidance system includes the following steps: continuously determining, by the collision avoidance system, an actual distance between the vehicle and a vehicle ahead and comparing the actual distance with a speed-dependent minimum safe distance; and braking the vehicle by switching over at least one of the engine cylinders to a compressor operation when the actual distance falls below a minimum safe distance.

REFERENCES:
patent: 4628317 (1986-12-01), Nishikawa et al.
patent: 5314037 (1994-05-01), Shaw et al.
patent: 5355118 (1994-10-01), Fukuhara
patent: 5629669 (1997-05-01), Asano et al.
patent: 5659304 (1997-08-01), Chakraborty
patent: 5670953 (1997-09-01), Satoh et al.

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