Invention Grant
US08998581B2 Composite shroud and methods for attaching the shroud to plural blades
有权
复合护罩和将护罩连接到多个叶片的方法
- Patent Title: Composite shroud and methods for attaching the shroud to plural blades
- Patent Title (中): 复合护罩和将护罩连接到多个叶片的方法
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Application No.: US13319493Application Date: 2010-05-07
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Publication No.: US08998581B2Publication Date: 2015-04-07
- Inventor: Iacopo Giovannetti , Massimo Giannozzi , Dino Bianchi , Leonardo Tognarelli , Manuele Bigi , Andrea Massini
- Applicant: Iacopo Giovannetti , Massimo Giannozzi , Dino Bianchi , Leonardo Tognarelli , Manuele Bigi , Andrea Massini
- Applicant Address: IT Florence
- Assignee: Nuovo Pignone S.p.A.
- Current Assignee: Nuovo Pignone S.p.A.
- Current Assignee Address: IT Florence
- Agency: GE Global Patent Operation
- Agent Joanna M. Dombrowski
- Priority: ITMI2009A0781 20090508
- International Application: PCT/EP2010/056289 WO 20100507
- International Announcement: WO2010/128153 WO 20101111
- Main IPC: F01D5/22
- IPC: F01D5/22 ; B23P15/04 ; F01D1/02 ; F01D5/14 ; F04D29/02 ; F04D29/22 ; F04D29/28
Abstract:
An impeller for a turbo-machine and is provided. The impeller includes a metallic base having a central hole, a back surface and a front surface opposite to the back surface; at least one blade extending on the front surface of the metallic base; a composite shroud attached to the at least one blade such that plural closed paths or vanes are formed by the front surface of the metallic base, the at least one blade and the composite shroud; and a connector configured to attach the composite shroud to the metallic base or the at least one blade.
Public/Granted literature
- US20120141261A1 COMPOSITE SHROUD AND METHODS FOR ATTACHING THE SHROUD TO PLURAL BLADES Public/Granted day:2012-06-07
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