System and method for warning of a tip over condition in a tractor trailer or tanker

  • US 6,452,487 B1
  • Filed: 02/14/2000
  • Issued: 09/17/2002
  • Est. Priority Date: 02/14/2000
  • Status: Expired due to Term
First Claim
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1. A system for warning of a tip over condition in a motor vehicle carrying a cargo load, wherein the motor vehicle has a left side and a right side, said system comprising:

  • at least one left side sensor for sensing a proportion of the cargo load carried on the left side of the motor vehicle;

    at least one right side sensor for sensing a proportion of the cargo load carried on the right side of the motor vehicle;

    a microprocessor coupled to said at least one left side sensor and said at least one right side sensor, wherein said microprocessor calculates a ratio of the cargo load borne by the left side of the motor vehicle and the right side of the motor vehicle, calculates a rate of change for said ratio over a period of time, and compares said rate of change to a threshold rate of change value, an alarm coupled to said microprocessor, wherein said microprocessor sounds said alarm when said rate of change exceeds said threshold rate of change.

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