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Tyre inflation/deflation device

  • US 8,443,852 B2
  • Filed: 05/11/2012
  • Issued: 05/21/2013
  • Est. Priority Date: 05/13/2011
  • Status: Active Grant
First Claim
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1. A device (1) for effecting automatic nitrogen filling from a nitrogen source, or nitrogen-for-air substitution, for the simultaneous inflation/deflation of a plurality of vehicle tyres, comprising:

  • multiple controllers (17), each of said controllers adapted to deliver nitrogen to at least one of the tyres based at least partially on a pressure within that tyre, each controller including a processor located on a PCB and each controller being in communication with each of the following;

    an individual display (8) for displaying the pressure in the tyre;

    a pressure sensor (9) for sensing the pressure in the tyre;

    an inflation valve (4) for receiving nitrogen from the nitrogen source and delivering the nitrogen to the tyre;

    a deflation valve (11) for releasing pressure from the tyre; and

    means for enabling simultaneous setting of a target pressure by linking two of the multiple controllers via an interface link between the processors;

    whereby the plurality of vehicle tyres may be inflated/deflated simultaneously, with user input interfaces (10) for pressure setting adjustments.

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