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    • 7. 发明申请
    • HEAVY DUTY VEHICLE REDUNDANT BRAKING SYSTEM
    • WO2019210956A1
    • 2019-11-07
    • PCT/EP2018/061314
    • 2018-05-03
    • VOLVO TRUCK CORPORATION
    • FARRES, LionelBLANC, Xavier
    • B60T13/68B60T8/32
    • Electronically controlled pneumatic brake system and method for an automotive vehicle, said system comprising a front axle brake module (FBM) for providing pneumatic control pressure to the left and right front pneumatic brake actuators (FW-L, FW-R), one or more rear axle brake module (RBM) for providing pneumatic control pressure to the left and right rear pneumatic brake actuators (RW-L,RW-R), an air production module (6) selectively providing air under pressure to said front and rear axles electronic brake modules via a first air supply circuit (AC1) for the rear axle, a second air supply circuit (AC2) for the front axle, first and second air reservoirs (R1,R2), respectively coupled to first and second air supply circuits, and a third reservoir (R3) and a third air supply circuit (AC3) connected to the third reservoir (R3), for providing a redundant pneumatic supply to the front and rear axle brake modules, the third air supply circuit (AC3) providing same braking performance as the first air supply circuit (AC1) for the rear axle and same braking performance as the second air supply circuit (AC2) for the front axle.
    • 8. 发明申请
    • HEAVY DUTY VEHICLE REDUNDANT BRAKING SYSTEM
    • WO2019210952A1
    • 2019-11-07
    • PCT/EP2018/061283
    • 2018-05-03
    • VOLVO TRUCK CORPORATION
    • FARRES, LionelHARRANG, Olivier
    • B60T13/68
    • An electronically controlled pneumatic brake system for a vehicle, with a normal brake operating mode (NOM) and a backup brake operating mode (BKM), said system comprising: - a front axle brake module (FBM) for providing pneumatic control pressure to the left and right front pneumatic brake actuators (FW-L, FW-R), one or more rear axle brake module (RBM) for providing pneumatic control pressure to the left and right rear pneumatic brake actuators (RW-L,RW-R), a trailer brake interface(5), - an air production module (6) selectively providing air under pressure to said axles electronic brake modules (FBM,RBM) via first and second air supply circuits (AC1,AC2), a trailer relay valve (1), wherein each of the front and rear axle brake modules (FBM,RBM) is controlled by an electrical control signal (NBC,ES1,ES2) under the normal brake operating mode (NOM) and is controlled by a pneumatic backup brake control line (BKC) under the backup brake operating mode (BKM), wherein the output (12) of trailer relay valve is connected to the trailer brake interface(5) under the normal brake operating mode (NOM), and the output (12) of trailer relay valve is connected to the pneumatic backup brake control line (BKC) under the backup brake operating mode (BKM).