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Tire pressure monitoring device

  • US 6,629,454 B2
  • Filed: 11/21/2001
  • Issued: 10/07/2003
  • Est. Priority Date: 11/21/2000
  • Status: Expired due to Fees
First Claim
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1. A tire pressure monitoring device for monitoring tire pressure, said monitoring device comprising:

  • a housing having a first pressure chamber, a second pressure chamber; and

    a flexible membrane, wherein said first and second pressure chambers are separated by a flexible membrane, wherein the first pressure chamber is calibrated with air from a tire; and

    a signaling means for emitting a warning signal when a pressure within the first pressure chamber is greater than a pressure within the second pressure chamber;

    wherein the housing is adapted to be mounted onto a tire stem.said housing having a first pressure chamber, a second pressure chamber, and a flexible membrane, wherein said first and second pressure chambers are separated by a flexible membrane; and

    a signaling means located within said housing, wherein said signaling means emits a warning signal when a pressure within the first pressure chamber is greater than a pressure within the second pressure chamber.

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