Park Brake Automatic Application System (PBAAS) for a vehicle includes at least one electronically controlled air valve (ECAV) and an electronic controller. The electronic controller is responsive to at least one input signal to generate a control signal which controls the ECAV when the PBAAS is activated. The ECAV is responsive to the control signal to interrupt a flow of pressurized air to the supply port of a park brake valve by closing a normally open port. Concurrent with the closing, the ECAV opens a normally closed port to provide a flow path to cause pressurized air to be exhausted from a park brake air chamber.
PARK BRAKE ELECTRICAL ACTUATION COMPLEMENTING DRIVE SHAFT RETARDERS
2017-09-21
Patent
Electronic Resource
English
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
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