EDDY CURRENT METHOD FOR THE CHARACTERIZATION OF BROACHED TUBE SUPPORT PLATE BLOCKAGE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Sep 11, 2014
app pub date -
May 22, 2014
filing date -
Jul 24, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for determining tube support plate blockage of a steam generator includes the following steps: measuring at least five different eddy current values per tube support intersection; calculating a nominal clean fit radius of flow hole; determining a center signal response; converting the center signal response to a deposit thickness; determine an edge reduction; converting the edge reduction to an edge thickness; calculating the resulting flow hole radius; verifying the reasonableness of the resulting flow hole radius; and determining a virtual calibration range.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
AREVA INC | LYNCHBURG VA 24501 |
International Classification(s)

- 2014 Application Filing Year
- G01N Class
- 10055 Applications Filed
- 7887 Patents Issued To-Date
- 78.44 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Fleck, Jeffrey M | Forest, US | 5 | 16 |
# of filed Patents : 5 Total Citations : 16 | |||
Griffith, John C | Lynchburg, US | 9 | 86 |
# of filed Patents : 9 Total Citations : 86 | |||
Pop, Mihai GM | Alexandria, US | 17 | 52 |
# of filed Patents : 17 Total Citations : 52 | |||
Wyatt, Joseph R | Lynchburg, US | 5 | 15 |
# of filed Patents : 5 Total Citations : 15 |
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Patent Citation Ranking
- 0 Citation Count
- G01N Class
- 0 % this patent is cited more than
- 11 Age
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 11, 2026 |
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