Invention Grant
- Patent Title: Staged radial air swirler with radial liquid fuel distributor
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Application No.: US15381609Application Date: 2016-12-16
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Publication No.: US10527286B2Publication Date: 2020-01-07
- Inventor: Lev Alexander Prociw , Jason A. Ryon
- Applicant: Delavan Inc
- Applicant Address: US IA West Des Moines
- Assignee: DELAVAN, INC
- Current Assignee: DELAVAN, INC
- Current Assignee Address: US IA West Des Moines
- Agency: Locke Lord LLP
- Agent Scott D. Wofsy; Joshua L. Jones
- Main IPC: F23R3/14
- IPC: F23R3/14 ; F23R3/34 ; F23D14/24 ; F02C7/22 ; F23D11/38 ; F23D11/10

Abstract:
A nozzle includes a nozzle body with an inner air passage fed by a first radial swirler and a second radial swirler axially downstream of the first radial swirler. A first fuel circuit is axially between the first and second radial swirlers. A second fuel circuit is axially downstream of the second radial swirler, wherein each of the first fuel circuit and the second fuel circuit extends from a respective fuel circuit inlet to a respective annular fuel circuit outlet. An outer air passage is defined between a fuel circuit outer wall of the second fuel circuit and an outer air passage wall, wherein the outer air passage is a converging non-swirling air passage. An intermediate air passage can be defined between an intermediate wall and the second radial swirler, wherein the intermediate air passage is a converging non-swirling air passage.
Public/Granted literature
- US20180172272A1 STAGED RADIAL AIR SWIRLER WITH RADIAL LIQUID FUEL DISTRIBUTOR Public/Granted day:2018-06-21
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