Airblast injectors for multipoint injection and methods of assembly

(19)

(11)

EP 2 589 866 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	25.01.2017 Bulletin 2017/04

(43)	Date of publication A2:
	08.05.2013 Bulletin 2013/19

(21)	Application number: 12191139.0

(22)	Date of filing: 02.11.2012

(51)

International Patent Classification (IPC):

F23D 11/10^(2006.01)

F23R 3/28^(2006.01)

(84)	Designated Contracting States:
	AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
	Designated Extension States:
	BA ME

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Priority:

03.11.2011 US 201161555363 P
31.10.2012 US 201213665568

(71)	Applicant: Delavan Inc.
	West Des Moines, IA 50265 (US)

(72)	Inventors:
	Prociw, Lev Alexander Johnston, IA Iowa 50131 (US) Ryon, Jason A.. Carlisle, Iowa 50047 (US)

(74)	Representative: Hall, Matthew Benjamin et al
	Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)

(54)	Airblast injectors for multipoint injection and methods of assembly

(57) A method of assembling an airblast injector (100) includes forming a fluid passage (128) on an internal conical surface (127) of a first nozzle component (102) and/or on an outer conical surface of a second nozzle component (104) configured and adapted to mate with the first nozzle component to form at least a portion of a fluid circuit (120) therebetween. The fluid passage is configured and adapted to provide passage for fluid in the fluid circuit between the first and second nozzle components. The method also includes joining the first and second nozzle components together by engaging the second nozzle component within the first nozzle component.

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