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Lateral acceleration sensing system

  • US 3,895,683 A
  • Filed: 07/05/1972
  • Issued: 07/22/1975
  • Est. Priority Date: 07/05/1972
  • Status: Expired due to Term
First Claim
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1. An automatic stability control system for a vehicle to prevent swerving and swaying of said vehicle, said system comprising means for sensing lateral acceleration forces acting upon said vehicle to provide low level electrical acceleration signals representative of the magnitude of said forces, means for amplifying said low level acceleration signals to provide large amplitude brake control signals proportional to the magnitude of the forces, and brake means associated with said vehicle including right and left brakes and responsive to said brake control signals to simultaneously actuate said right and left brakes in equal, gradual and continuous mode to prevent swaying and swerving of said vehicle, said sensing means including a pair of pendulums oriented to sense only left and right acceleration, respectively, each of said pendulums including adjustable stop means positioning the pendulum in a predetermined angular at rest position for varying the minimum lateral acceleration force necessary to effect movement of each pendulum, each of said pendulums being operatively associated with a potentiometer to provide low level electrical lateral acceleration signals proportional to the magnitude of movement of the pendulums such that instantaneous response is provided upon movement of a pendulum.

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