The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 2022
Filed:
Nov. 20, 2019
Rolls-royce Plc, London, GB;
Rolls-royce Deutschland Ltd & CO KG, Dahlewitz, DE;
Luca Tentorio, Derby, GB;
Juan Carlos Roman Casado, Derby, GB;
Giacomo Di Chiaro, Derby, GB;
Jonathan Knapton, Derby, GB;
Filippo Zambon, Derby, GB;
Radu Irimia, Derby, GB;
Imon-Kalyan Bagchi, Derby, GB;
James Robins, Derby, GB;
Tomasz Stankowski, Derby, GB;
ROLLS-ROYCE plc, London, GB;
ROLLS-ROYCE DEUTSCHLAND LTD & CO KG, Dahlewitz, DE;
Abstract
A fuel spray nozzle including a primary atomizer to discharge a flow of swirled atomised fuel along and around a fuel spray nozzle axis. The primary atomiser includes outer air swirler disposed radially outwardly of a fuel pre-filmer channel. A secondary atomiser disposed around the primary atomiser includes secondary inner air swirler to swirl flow along an inner air channel. The secondary inner air swirler disposed radially inwardly of a secondary fuel pre-filmer channel of the secondary atomiser. A primary outer air channel defined between the primary outer swirler and the secondary inner swirler. The secondary inner air swirler include splitter wall to separate swirling flow in the secondary inner channel from the primary flow of atomised fuel. The secondary inner air swirler includes primary cap wall integral with and extending radially inwardly from the splitter wall to direct flow from the primary outer channel inwardly towards the fuel spray.