Gas turbine combustor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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May 30, 2017
Issued Date -
N/A
app pub date -
Nov 27, 2013
filing date -
Jun 2, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An annular type gas turbine combustor having a plurality of fuel nozzle assemblies (10) on a circumference includes a pilot nozzle unit (12) for spraying a fuel for diffusive combustion from a pilot outer peripheral nozzle (34) into a combustion chamber (8), a main nozzle unit (14) provided so as to surround the pilot nozzle unit (12) for spraying a fuel for premix combustion, and a flow guide (27) disposed on a downstream side of each of the fuel nozzle assemblies (10) and having a sectional area of a passage for air and air-fuel mixture from each of the fuel nozzle assemblies (10), which gradually increase in a downstream direction.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
KAWASAKI JUKOGYO KABUSHIKI KAISHA | 1-1 HIGASHIKAWASAKI-CHO 3-CHOME CHUO-KU KOBE-SHI HYOGO 650-8670 | |
JAPAN AEROSPACE EXPLORATION AGENCY | 7-44-1 JINDAIJI HIGASHI-MACHI CHOFU-SHI TOKYO 182-8522 |
International Classification(s)

- 2013 Application Filing Year
- F23R Class
- 296 Applications Filed
- 256 Patents Issued To-Date
- 86.49 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Fujiwara, Hitoshi | Chofu, JP | 73 | 933 |
# of filed Patents : 73 Total Citations : 933 | |||
Horikawa, Atsushi | Akashi, JP | 25 | 261 |
# of filed Patents : 25 Total Citations : 261 | |||
Kobayashi, Masayoshi | Kobe, JP | 123 | 1688 |
# of filed Patents : 123 Total Citations : 1688 | |||
Matsuyama, Ryusuke | Akashi, JP | 17 | 214 |
# of filed Patents : 17 Total Citations : 214 | |||
Oda, Takeo | Kobe, JP | 31 | 440 |
# of filed Patents : 31 Total Citations : 440 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 5 Citation Count
- F23R Class
- 19.35 % this patent is cited more than
- 8 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 30, 2024 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 30, 2028 |
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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Nov 13, 2024 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8 |
Sep 14, 2020 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
May 30, 2017 | I | Issuance | |
May 10, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Mar 27, 2014 | P | Published | |
Nov 27, 2013 | F | Filing | |
Nov 27, 2013 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KOBAYASHI, MASAYOSHI;ODA, TAKEO;MATSUYAMA, RYUSUKE;AND OTHERS;SIGNING DATES FROM 20130926 TO 20131029;REEL/FRAME:031685/0057 Owner name: KAWASAKI JUKOGYO KABUSHIKI KAISHA, JAPAN free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KOBAYASHI, MASAYOSHI;ODA, TAKEO;MATSUYAMA, RYUSUKE;AND OTHERS;SIGNING DATES FROM 20130926 TO 20131029;REEL/FRAME:031685/0057 Owner name: JAPAN AEROSPACE EXPLORATION AGENCY, JAPAN |
Jun 02, 2011 | PD | Priority Date |

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