Press-fitting corrosion resistant liners in nozzles and casings
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Nov 28, 2017
Issued Date -
N/A
app pub date -
Oct 29, 2013
filing date -
Mar 24, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An apparatus and method for protecting an inner radial surface of a radial member of a turbomachine from corrosion are provided. The method may include shaping the inner radial surface of the radial member and a corresponding outer radial surface of a corrosion-resistant liner. The method may also include heating the radial member to increase a diameter of the inner radial surface of the radial member, and inserting at least a portion of the corrosion-resistant liner into the radial member. The method may further include attaching the corrosion-resistant liner to the inner radial surface of the radial member to thereby protect the inner radial surface of the radial member of the turbomachine from corrosion.
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 | |
---|---|---|
DRESSER-RAND COMPANY | PAUL CLARK DRIVE OLEAN NY 14760 |
International Classification(s)
- F16L:PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR ....
- F02K:JET-PROPULSION PLANTS
- B21K:MAKING FORGED OR PRESSED PRODUCTS, e.g. HORSE-SHOE....
- B23K:SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLA....
- F02C:GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION....
- F01D:NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g....

Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Mohr, Byron L | Olean, US | 7 | 11 |
# of filed Patents : 7 Total Citations : 11 | |||
Seib, David C | Olean, US | 8 | 30 |
# of filed Patents : 8 Total Citations : 30 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | May 28, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 28, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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