Gas turbine engine with exit flow discourager
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Sep 19, 2017
Issued Date -
N/A
app pub date -
Jan 10, 2014
filing date -
Jan 10, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A turbine stage for a gas turbine engine is disclosed. The turbine stage includes a turbine disk and a turbine diaphragm, forming a cavity there between. The turbine stage also includes an exit flow discourager comprised of at least two teeth. The teeth may be located radially apart from each other, each tooth including a length extending in the axial direction and a width extending in the radial direction. A channel is formed between the teeth and an axially adjacent surface. A recirculation region may be formed in between each pair of teeth.
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 | |
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SOLAR TURBINES INCORPORATED | 2200 PACIFIC HIGHWAY SAN DIEGO CA 92101 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Kim, Yong Weon | San Diego, US | 20 | 161 |
# of filed Patents : 20 Total Citations : 161 | |||
Lee, Kidon | Seoul, KR | 1 | 4 |
# of filed Patents : 1 Total Citations : 4 |
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Patent Citation Ranking
- 1 Citation Count
- F01D Class
- 19.76 % this patent is cited more than
- 8 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Mar 19, 2025 |
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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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Dec 20, 2018 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 12TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1553); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 12 |
Dec 10, 2014 | FPAY | FEE PAYMENT | year of fee payment: 8 |
Dec 03, 2010 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Jul 03, 2007 | I | Issuance | |
Jun 13, 2007 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jan 30, 2007 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:FUJIFILM HOLDINGS CORPORATION (FORMERLY FUJI PHOTO FILM CO., LTD.);REEL/FRAME:018904/0001 Owner name: FUJIFILM CORPORATION, JAPAN Effective Date: Jan 30, 2007 free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:FUJIFILM HOLDINGS CORPORATION (FORMERLY FUJI PHOTO FILM CO., LTD.);REEL/FRAME:018904/0001 Owner name: FUJIFILM CORPORATION,JAPAN Effective Date: Jan 30, 2007 |
Sep 16, 2004 | P | Published | |
Mar 12, 2004 | F | Filing | |
Mar 10, 2004 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:OHSHIMA, NAOTO;SATO, TADANOBU;INABA, TADASHI;REEL/FRAME:015086/0836 Owner name: FUJI PHOTO FILM CO., LTD., JAPAN Effective Date: Mar 10, 2004 |
Mar 13, 2003 | PD | Priority Date |

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