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Diagnosis apparatus for air transfer apparatus and method thereof

  • US 20050089407A1
  • Filed: 09/17/2004
  • Published: 04/28/2005
  • Est. Priority Date: 09/22/2003
  • Status: Active Grant
First Claim
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1. A diagnosis apparatus for an air transfer apparatus which includes an air pump transferring air to a shielded section and a check valve disposed in a transfer passage between said shielded section and said air pump, comprising:

  • a drive unit that drives said air pump under a condition where said check valve is held in a closed state;

    a transfer state detector detecting a transfer state of the air by said air pump; and

    a diagnosis unit that diagnoses whether or not a failure occurred in said air transfer apparatus based on the transfer state of the air detected by said transfer state detector, when said air pump is driven by said drive unit.

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