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Fault diagnosis apparatus

  • US 7,174,264 B2
  • Filed: 07/13/2004
  • Issued: 02/06/2007
  • Est. Priority Date: 07/14/2003
  • Status: Expired due to Fees
First Claim
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1. A fault diagnosis apparatus for diagnosing a fault that occurs in an apparatus having a drive mechanism including a plurality of elements that include a driving component activated by current supply and a power transmission component that transmits a driving force of the driving component to another component, comprising:

  • a first signal detection unit that detects a first signal indicating an operation state of the drive mechanism within a predetermined period; and

    a fault diagnosis unit that executes a fault diagnosis on each element of the drive mechanism based on a deviation of the first signal detected by the first signal detection unit from a normal range.

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