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Apparatus and method for determining the best position for inner and outer members in a rotary machine

  • US 5,513,539 A
  • Filed: 06/30/1994
  • Issued: 05/07/1996
  • Est. Priority Date: 06/30/1994
  • Status: Expired due to Fees
First Claim
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1. A method of determining the best position for an inner member relative to an outer member within a rotary machine comprising the steps of:

  • (a) rotating the inner and outer members relative to one another through at least one revolution;

    (b) obtaining a series of measurements through said at least one revolution representing the spacing between at least one location on said inner member and a plurality of angularly spaced locations on said outer member;

    (c) obtaining a series of measurements through said at least one revolution representing the spacing between at least one location on said outer member and a plurality of angularly spaced locations on said inner member;

    (d) processing said measurements between said at least one location on said inner member and said plurality of angularly spaced locations on said outer member to determine a best center for said outer member; and

    (e) processing said obtained measurements between said at least one location on said outer member and said plurality of angularly spaced locations on said inner member to determine a best center for said inner member, said best position for one of said inner and outer members relative to the other of said inner and outer members comprising a position wherein said best center for said inner member intersects said best center for said outer member.

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