GAS TURBINE ENGINE EXHAUST MIXER WITH AERODYNAMIC STRUTS
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Sep 18, 2014
app pub date -
Mar 12, 2013
filing date -
Mar 12, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

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Abstract
An exhaust mixer for a gas turbine engine has a plurality of circumferentially distributed alternating inner and outer lobes, and a plurality of aerodynamic struts positioned and oriented between adjacent inner lobes in the core flow passage. The struts are configured for diverting a portion of the core flow radially outwardly in troughs formed by the outer lobes on the core flow side of the mixer.
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 | |
---|---|---|
PRATT & WHITNEY CANADA CORP | 1000 MARIE-VICTORIN (01BE5) LONGUEUIL QUEBEC J4G 1A1 |
International Classification(s)

- 2013 Application Filing Year
- F02K Class
- 252 Applications Filed
- 226 Patents Issued To-Date
- 89.69 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
BOUCHARD, RICHARD | SOREL-TRACY, CA | 15 | 159 |
# of filed Patents : 15 Total Citations : 159 | |||
CUNNINGHAM, MARK HUZZARD | MONTREAL, CA | 8 | 107 |
# of filed Patents : 8 Total Citations : 107 |
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Patent Citation Ranking
- 7 Citation Count
- F02K Class
- 11.58 % this patent is cited more than
- 11 Age
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- No Forward Cites to Display

Maintenance Fees
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 18, 2026 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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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