B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
303/81
B60T 7/12 (2006.01) B60T 7/22 (2006.01)
Patent
CA 1296036
ABSTRACT The present invention relates to an arrangement in vehicle hydraulic service brake systems for acti- vating at least one (1) of two conventional braking circuits included in the brake system when an obstacle is detected, by means of a sensor (16), in the direction in which the vehicle is travelling. The novel matter of the invention resides in that a pressure accumula- tor (13) is connected to the brake circuit (1) via a valve unit (10, 14) which is adapted, in normal position, to establish free communication between the vehicle main cylinder (4) and the vehicle wheel brakes (9), and to permit pressure build-up of the pressure accumulator (13) upon depression of the vehicle brake pedal (6). The sensor (16) is adapted, upon actuation, to activate the valve unit (10, 14), whereby the communication between the vehicle wheel brakes (9) and the vehicle main cylinder (4) is interrupted, and the pressure accumulator (13) is connected with the wheel brakes for application thereof.
521050
Andersson Lars
Kamph Bengt
Andersson Lars
Fetherstonhaugh & Co.
Kamph Bengt
LandOfFree
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