WO2026119457 - COMBUSTION SYSTEM HAVING MULTISTAGE BURNERS ARRANGED TO MIX AIR AND FUEL BASED ON FUEL PROPERTY AND ENGINE LOAD
National phase entry is expected:
Publication Number
WO/2026/119457
Publication Date
11.06.2026
International Application No.
PCT/EP2025/080086
International Filing Date
17.10.2025
Title **
[English]
COMBUSTION SYSTEM HAVING MULTISTAGE BURNERS ARRANGED TO MIX AIR AND FUEL BASED ON FUEL PROPERTY AND ENGINE LOAD
[French]
SYSTÈME DE COMBUSTION AYANT DES BRÛLEURS À ÉTAGES MULTIPLES AGENCÉS POUR MÉLANGER DE L'AIR ET DU CARBURANT SUR LA BASE D'UNE PROPRIÉTÉ DE CARBURANT ET D'UNE CHARGE DE MOTEUR
Applicants **
SIEMENS ENERGY GLOBAL GMBH & CO. KG
Inventors
FURI, Marc
Priority Data
2417716.4
03.12.2024
GB
Application details
| Total Number of Claims/PCT | * |
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International Searching Authority |
EPO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2442 | |
| EPO | Filing, Examination, Granting | 15371 | |
| Japan | Filing, Examination, Granting | 2618 | |
| South Korea | Filing, Examination, Granting | 2902 | |
| USA | Filing, Examination, Granting | 6540 |
Total:
29,873
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Abstract[English]
A combustion system for a gas turbine engine is provided. The combustion system includes a first burner stage (701-1), a second burner stage (701-2), and a third burner stage (701-3), where the first, second, and third burner stages (701) are radially and axially spaced apart from one another. The system offers superior engine operability (e.g., inhibiting NOx and CO emissions and thermoacoustic instabilities) by way of structural and/or operational relationships that permit distributing heat release axially and radially within the combustion system, while maintaining a compact system and involving relatively low mechanical complexity.[French]
L'invention porte sur un système de combustion pour un moteur à turbine à gaz. Le système de combustion comprend un premier étage de brûleur (701-1), un deuxième étage de brûleur (701-2) et un troisième étage de brûleur (701-3), les premier, deuxième et troisième étages de brûleur (701) étant espacés radialement et axialement l'un de l'autre. Le système offre une exploitabilité de moteur supérieure (par exemple, en inhibant les émissions de NOx et de CO et les instabilités thermoacoustiques) au moyen de relations structurelles et/ou opérationnelles qui permettent de distribuer la libération de chaleur axialement et radialement à l'intérieur du système de combustion, tout en maintenant un système compact et impliquant une complexité mécanique relativement faible.