×

Multiple-stage collision avoidance braking system and method

  • US 10,124,777 B2
  • Filed: 02/22/2017
  • Issued: 11/13/2018
  • Est. Priority Date: 02/22/2017
  • Status: Active Grant
First Claim
Patent Images

1. A method of automatic braking, collision avoidance for vehicle air brake systems in vehicles having a driver brake pedal (21), including the steps of:

  • detecting an impending collision condition with a collision warning device (11);

    pressurizing a rear relay valve (51) with a source air pressure of about 40 psi when said impending collision condition is detected, wherein said pressurizing is actuated automatically by activating an automatic braking control system, said automatic braking control system comprising an actuation apparatus (13);

    pressurizing a front connector gate (36) when the air pressure at the rear relay valve (51) has risen to about 20 psi, wherein said pressurizing is actuated automatically with said actuation apparatus (13); and

    maintaining an air pressure of 40 psi at the rear relay valve (51) and 20 psi at the front connector gate (36) with said actuation apparatus (13) to slow or stop the vehicle; and

    wherein pressing the driver brake pedal (21) deactivates the automatic braking control system.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×