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Pipe-inspection system

  • US 7,143,659 B2
  • Filed: 12/17/2002
  • Issued: 12/05/2006
  • Est. Priority Date: 12/17/2002
  • Status: Expired due to Fees
First Claim
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1. A pipe-inspection system for the inspection of a pipeline, said system comprising:

  • four wheeled guidance units;

    a transmission unit flexibly coupled between first and second ones of said wheeled guidance units;

    a reception unit flexibly coupled between third and fourth ones of said wheeled guidance units, wherein said second wheeled guidance unit is flexibly coupled to said third wheeled guidance unit;

    a lead line coupled to said first wheeled guidance unit and configured to move said system through said pipeline in a forward direction; and

    a trail line coupled to said fourth wheeled guidance unit and configured to move said system through said pipeline in a reverse direction substantially opposite said forward direction.

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