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System and method for providing compliant rotating seals

一种旋转密封、柔性的技术，应用在机械涡轮领域

Inactive Publication Date: 2010-08-04
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A uniquely challenging form of these seals is sealing a moving or rotating surface (eg, relative to a stationary surface)

Method used

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  • System and method for providing compliant rotating seals
  • System and method for providing compliant rotating seals
  • System and method for providing compliant rotating seals

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Embodiment Construction

[0013] In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of various embodiments. However, the embodiments may be practiced without these specific details. In other instances, well-known methods, procedures, and components have not been described in detail.

[0014] Furthermore, various operations are described as multiple discrete steps performed in a manner that is helpful in understanding the embodiments of the invention. However, the order of description should not be construed as to imply that these operations need to be performed in the order presented, or that they are even order dependent. Also, repeated use of the phrase "in one embodiment" does not necessarily refer to the same embodiment, although it might be. Finally, the terms "comprising," "including," "having," etc., as used in this application, are intended to be synonymous unless otherwise indicated.

[0015] Exemplary embodiments of t...

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Abstract

The present invention provides a system and method for providing compliant rotating seals, concretely provides a system for providing compliant rotating seals (100). The system includes a rotating portion (102) that has a plurality of teeth (104) extending radially from it, and a stationary portion (106) that has a plurality of bristles (108) extending radially from it. The plurality of teeth (104) rotatively engage the plurality of bristles (108) creating a tortuous path between them that resists a leakage of gas or fluid through them.

Description

technical field [0001] The subject matter disclosed herein relates generally to mechanical turbines and, more particularly, to systems and methods for providing compliant rotary seals. Background technique [0002] Mechanical turbines, such as gas turbines or steam turbines, include numerous surfaces that include seals, for example, to reduce or prevent undesired escape of combustion gases or steam. A uniquely challenging form of these seals is sealing a moving or rotating surface (eg, relative to a stationary surface). For example, a turbine includes a rotating surface, such as a shaft, rotor, etc., that includes a seal between it and an adjacent stationary surface, such as a stator, shroud, or the like. A labyrinth seal is a common form of rotary seal for this purpose that consists of tight-fitting portions (eg, straight thread extensions or "teeth" that are fixed and / or movable during operation) The flow of gas or fluid is mechanically repelled by creating an effective ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D11/08
CPCF01D11/001F01D11/00F01D11/02F16J15/4472F05D2240/56F16J15/3288
Inventor A·R·克尼兰德E·D·劳什
Owner GENERAL ELECTRIC CO
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