Power plants – Combustion products used as motive fluid
Patent
1998-05-18
2000-11-07
Kim, Ted
Power plants
Combustion products used as motive fluid
60737, 60748, 239400, 239403, 431173, F02C 720
Patent
active
061419540
ABSTRACT:
A premixing fuel injector for an industrial gas turbine engine includes an axially extending centerbody (58) and a pair of radially offset scrolls (18) bounding a mixing chamber (24). The leading end (28) of each scroll cooperates with the trailing end (34) of the neighboring scroll to define an intake slot (42) for admitting a stream of primary combustion air (44) tangentially into the mixing chamber. Fuel injection passages extend along each intake slot for injecting jets (76a, 76b) of primary fuel into the incoming airstream (44). The injector is operable in a prescribed or normal state, and in a degraded state associated with the presence of undesirable combustion inside the mixing chamber. The fuel injection passages are oriented and positioned so that the fuel jets issuing therefrom are ineffective at sustaining the undesirable combustion for more than a limited interval of time. In one embodiment of the invention, the injection passages are positioned so that the trailing end (34) of the neighboring scroll acts as a physical barrier to limit radial penetration of the fuel jets when the injector operates in the degraded state.
REFERENCES:
patent: 4781030 (1988-11-01), Hellat et al.
patent: 4932861 (1990-06-01), Keller et al.
patent: 5169302 (1992-12-01), Keller
patent: 5193995 (1993-03-01), Keller et al.
patent: 5307634 (1994-05-01), Hu
patent: 5461865 (1995-10-01), Snyder et al.
patent: 5479773 (1996-01-01), McCoomb et al.
patent: 5489203 (1996-02-01), Dobbeling et al.
patent: 5671597 (1997-09-01), Butler et al.
patent: 5761897 (1998-06-01), Kramer
patent: 5791562 (1998-08-01), Kramer et al.
patent: 5791894 (1998-08-01), Dobbeling et al.
patent: 5896739 (1999-04-01), Snyder et al.
patent: 5899076 (1999-05-01), Snyder et al.
patent: 5921766 (1999-07-01), Dobbeling et al.
patent: 5921770 (1999-04-01), Sattelmayer
European Search Report for EP 99 30 3826.
Chiappetta Louis M.
Kendrick Donald W.
Sowa William A.
Baran Kenneth C.
Kim Ted
United Technologies Corporation
LandOfFree
Premixing fuel injector with improved flame disgorgement capacit does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Premixing fuel injector with improved flame disgorgement capacit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Premixing fuel injector with improved flame disgorgement capacit will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1630178