US Patent 8257044 Steam turbine rotor blade assembly
Patent 8257044 was granted and assigned to Hitachi on September, 2012 by the United States Patent and Trademark Office.
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Patent abstract
The present invention is a steam turbine rotor blade assembly including: an airfoil; a shroud provided at a tip of the airfoil; a blade root (dovetail) projecting toward a radially internal circumferential side of a turbine rotor and fitted to a root attachment provided on an outer circumferential portion of the turbine rotor; a platform provided between the airfoil and the blade root; a pin provided between the blade root and the root attachment; a bore formed between respective surfaces of the shrouds facing each other and included in the respective adjacent rotor blades; and a bar-like member provided in the bore.
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US Patent 08257044 Steam turbine rotor blade assembly US Patent 8257044 Steam turbine rotor blade assembly
Infobox
Patent Number
0825704400
Patent Number
825704400
Edits on 24 Mar, 2023
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
082570440
Date of Patent
September 4, 2012
0Patent Application Number
122079010
Date Filed
September 10, 2008
0Patent Primary Examiner
Edits on 24 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
082570440
Date of Patent
September 4, 2012
0Patent Application Number
122079010
Date Filed
September 10, 2008
0Patent Primary Examiner
Edits on 15 Dec, 2021
Golden AI
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Infobox (+8 properties)
US Patent 08257044 Steam turbine rotor blade assembly
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
08257044
Date of patent
September 4, 2012
Patent application number
12207901
Date Filed
September 10, 2008
Patent primary examiner
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