US 11,938,915 B2
Braking arrangement for a vehicle
Chidambaram Subramanian, Greensboro, NC (US); and Abram Mcconnell Bradley, IV, Colfax, NC (US)
Assigned to Volvo Truck Corporaton, Gothenburg (SE)
Filed by VOLVO TRUCK CORPORATION, Gothenburg (SE)
Filed on Mar. 17, 2021, as Appl. No. 17/249,884.
Prior Publication US 2022/0297651 A1, Sep. 22, 2022
Int. Cl. B60T 8/88 (2006.01); B60T 8/40 (2006.01); B60T 13/26 (2006.01); B60T 13/68 (2006.01); B60T 15/02 (2006.01); B60T 17/02 (2006.01)
CPC B60T 8/885 (2013.01) [B60T 8/4036 (2013.01); B60T 8/4095 (2013.01); B60T 13/26 (2013.01); B60T 13/683 (2013.01); B60T 15/027 (2013.01); B60T 17/02 (2013.01); B60T 2270/10 (2013.01); B60T 2270/402 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A braking arrangement for a vehicle, comprising:
a source of compressed air;
a drive axle for the vehicle;
a brake associated with the drive axle and connected to the source of compressed air by an air line;
an operator controlled valve in the air line between the source of compressed air and the brake;
a proportioning valve in the air line between the operator controlled valve and the brake;
a compressor driven by the drive axle and having an outlet connected to a control port of the proportioning valve;
a compressor driven by the drive axle and having an outlet connected to a control port of the proportioning valve;
an antilock brake system (ABS) associated with the brake;
a controller, and
means for determining whether the ABS is operating properly and adapted to send a signal to the controller, the controller being configured to start operation of the compressor upon receipt of the signal that the ABS is not operating properly.