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Motor vehicle fuel-waste indicator

  • US 4,333,070 A
  • Filed: 02/06/1981
  • Issued: 06/01/1982
  • Est. Priority Date: 02/06/1981
  • Status: Expired due to Fees
First Claim
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1. The use of an electro-mechanical vibrator to signal the driver of a motor vehicle, said vehicle having an internal battery, a driver-operated gas pedal, and an internal combustion engine which produces a manifold-vacuum in the intake manifold, as to the state of said vacuum being above or below a pre-selected level, by mechanically coupling said vibrator to the gas pedal under the driver'"'"'s foot, coupling a sensing assembly to said vacuum, said sensing assembly providing means for connecting a suitable voltage from said battery to said vibrator when said vacuum is below said pre-selected level thereby actuating said vibrator, and for disconnecting said voltage when said vacuum is above said pre-selected level, thereby de-energizing said vibrator.

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