SEALING ASSEMBLY FOR USE IN TURBOMACHINE AND METHOD OF ASSEMBLING THE SAME

Title:

SEALING ASSEMBLY FOR USE IN TURBOMACHINE AND METHOD OF ASSEMBLING THE SAME

Document Type and Number:

Japanese Patent JP2012112525

Kind Code:

A

Abstract:

To provide a sealing assembly for use in a turbomachine.

The turbomachine 100 includes a rotatable element 140. The rotatable element includes an end portion. The end portion defines an outer surface. The turbomachine also includes stationary portions 108/110/114/116 that partially extend circumferentially about the rotatable element such that the stationary portion and the rotatable element at least partially define a rotor shaft cavity therebetween. The end portion of the rotatable element extends through at least a portion of the rotor shaft cavity. The turbomachine further includes at least one sealing assembly that includes sealing elements 130/132 formed across the end portion of the rotatable element. The sealing element defines a plurality of grooves partially extending circumferentially about a portion of the outer surface of the end portion of the rotatable element.

Inventors:

NEELI SUDHAKAR
JOHN JOSHY

Application Number:

JP2011251178A

Publication Date:

June 14, 2012

Filing Date:

November 17, 2011

Export Citation:

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Assignee:

GEN ELECTRIC

International Classes:

F16J15/447; F01D11/02; F02C7/28

Domestic Patent References:

JP2007303463A	2007-11-22
JPH09287667A	1997-11-04

Foreign References:

WO1995034745A1	1995-12-21
WO1995034745A1	1995-12-21

Attorney, Agent or Firm:

Arakawa Satoshi
Hirokazu Ogura
Toshihisa Kurokawa

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