WO2025256730 - GEKÜHLTE, HOHLE, OFFENE TURBINENSCHAUFEL UND GASTURBINE
National phase entry:
Publication Number
WO/2025/256730
Publication Date
18.12.2025
International Application No.
PCT/EP2024/066077
International Filing Date
11.06.2024
Title **
[German]
GEKÜHLTE, HOHLE, OFFENE TURBINENSCHAUFEL UND GASTURBINE
[English]
COOLED HOLLOW OPEN TURBINE BLADE, AND GAS TURBINE
[French]
AUBE DE TURBINE OUVERTE, CREUSE ET REFROIDIE ET TURBINE À GAZ
Applicants **
SIEMENS ENERGY GLOBAL GMBH & CO. KG
Inventors
AHMAD, Fathi
KURT, Nihal
RADULOVIC, Radan
MICK, York
SCHWARZ, Stephan
ROCHHAUSEN, Stefan
ÜCGÜL, Erhan
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
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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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| * | |
| * | |
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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.
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 1836 | |
| EPO | Filing, Examination, Granting | 8126 | |
| Japan | Filing, Examination, Granting | 2031 | |
| South Korea | Filing, Examination, Granting | 1727 | |
| USA | Filing, Examination, Granting | 7740 |
Total:
21,460
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Abstract[German]
Die Erfindung betrifft eine hohle, offene Turbinenschaufel (1', 1'', 1''', 1''''), die zumindest aufweist: einen Schaufelfuß (4', 4''), eine Schaufelplattform (7), ein Schaufelblatt (10), einen Hohlraum (16', 16''), wobei sich ausgehend von einer Unterseite (5', 5'') des Schaufelfußes (4', 4'') zumindest ein Kühlkanal (20, 21, 22) durch den Schaufelfuß (4', 4'') in den Hohlraum (16', 16'') erstreckt.[English]
The invention relates to a hollow open turbine blade (1', 1'', 1''', 1'''') which has at least: a blade root (4', 4''), a blade platform (7), a blade body (10) and a cavity (16', 16''), wherein at least one cooling channel (20, 21, 22) extends through the blade root (4', 4''), starting from the lower face (5', 5'') of the blade root (4', 4''), and into the cavity (16', 16'').[French]
L'invention concerne une aube de turbine (1', 1'', 1''', 1'''') ouverte et creuse comprenant au moins : un pied de pale (4', 4''), une plateforme de pale (7), un corps de pale (10) et une cavité (16', 16''), au moins un canal de refroidissement (20, 21, 22) s'étendant à travers le pied de pale (4', 4''), de la face inférieure (5', 5'') du pied de pale (4', 4''), jusque dans la cavité (16', 16'').