×

Air brake monitoring and safety system

  • US 5,572,187 A
  • Filed: 05/23/1994
  • Issued: 11/05/1996
  • Est. Priority Date: 05/23/1994
  • Status: Expired due to Fees
First Claim
Patent Images

1. An air brake monitoring and safety system for monitoring the operation of an air brake system of a vehicle, the air brake system including parking and foot brakes, and for providing indication of the operation of the air brake system, the monitoring and safety system comprising first sensor means operably connected to each air operated parking brake actuator in said air brake system and responsive to movement thereof for providing a first output signal when respective said parking brake actuator moves in a predetermined manner as established by said first sensor means, first alarm circuit means having an alarm within a driver'"'"'s compartment of a vehicle operably connected to each said first sensor means and responsive to each said first output signal for providing a first alarm output signal in response to a respective said first output signal, second sensor means responsive to the air pressure in each said parking brake actuator for providing a second output signal when the air pressure in any said parking brake actuator is less than a first value as established by each said second sensor means said second sensor means blocks a corresponding said first output signal when air pressure in a corresponding said parking brake actuator is less than said first value.

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