Title:
FUEL INJECTOR AND GAS TURBINE
Document Type and Number:
WIPO Patent Application WO/2018/199289
Kind Code:
A1
Abstract:
A fuel injector (1) comprises: a fuel supply tube (8); a plurality of premixing tubes (2); a support plate (3) that supports the fuel supply tube (8) and the plurality of premixing tubes (2); a board (4) that supports downstream-side ends of the plurality of premixing tubes (8); a cylindrical outside wall (5) that forms a plenum (P) in an interior thereof; a partition wall (6) that demarcates the plenum (P) into a fuel plenum (PF) and a cooling air plenum (PA); a baffle (7) which demarcates the cooling air plenum (PA) into an upstream cooling air plenum (PA1) and a downstream cooling air plenum (PA2) and in which a plurality of cooling holes (11) are formed; and a cooling air supply tube (9) for supplying cooling air to the upstream cooling air plenum (PA1). The downstream-side end of the fuel supply tube (8) is opened inside the fuel plenum (PF), and fuel introduction holes (12) that penetrate through the premixing tubes (2) between the inside and the outside thereof are formed at portions of the premixing tubes (2) located in the fuel plenum (PF).
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Inventors:
TADA KATSUYOSHI (JP)
INOUE KEI (JP)
TANIMURA SATOSHI (JP)
SAITO KEIJIRO (JP)
INOUE KEI (JP)
TANIMURA SATOSHI (JP)
SAITO KEIJIRO (JP)
Application Number:
PCT/JP2018/017189
Publication Date:
November 01, 2018
Filing Date:
April 27, 2018
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
F23R3/28; F02C7/18; F23R3/32
Foreign References:
| JP2013250046A | 2013-12-12 | |||
| JP2013139993A | 2013-07-18 | |||
| JP2015222023A | 2015-12-10 | |||
| JP2011069602A | 2011-04-07 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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