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Title: Expanding hollow metal rings

Abstract

A sealing device that may expand more planar dimensions due to internal thermal expansion of a filler material. The sealing material is of a composition such that when desired environment temperatures and internal actuating pressures are reached, the sealing materials undergoes a permanent deformation. For metallic compounds, this permanent deformation occurs when the material enters the plastic deformation phase. Polymers, and other materials, may be using a sealing mechanism depending on the temperatures and corrosivity of the use. Internal pressures are generated by either rapid thermal expansion or material phase change and may include either liquid or solid to gas phase change, or in the gaseous state with significant pressure generation in accordance with the gas laws. Sealing material thickness and material composition may be used to selectively control geometric expansion of the seal such that expansion is limited to a specific facing and or geometric plane.

Inventors:
 [1];  [2]
  1. Evans, GA
  2. Grovetown, GA
Issue Date:
Research Org.:
WESTINGHOUSE SAVANNAH RIVER CO
Sponsoring Org.:
USDOE
OSTI Identifier:
986366
Patent Number(s):
7,503,594
Application Number:
10/937,093
Assignee:
Westinghouse Savannah River Company (Aiken, SC)
DOE Contract Number:  
AC09-96SR18500
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Peacock, Harold B, and Imrich, Kenneth J. Expanding hollow metal rings. United States: N. p., 2009. Web.
Peacock, Harold B, & Imrich, Kenneth J. Expanding hollow metal rings. United States.
Peacock, Harold B, and Imrich, Kenneth J. Tue . "Expanding hollow metal rings". United States. https://www.osti.gov/servlets/purl/986366.
@article{osti_986366,
title = {Expanding hollow metal rings},
author = {Peacock, Harold B and Imrich, Kenneth J},
abstractNote = {A sealing device that may expand more planar dimensions due to internal thermal expansion of a filler material. The sealing material is of a composition such that when desired environment temperatures and internal actuating pressures are reached, the sealing materials undergoes a permanent deformation. For metallic compounds, this permanent deformation occurs when the material enters the plastic deformation phase. Polymers, and other materials, may be using a sealing mechanism depending on the temperatures and corrosivity of the use. Internal pressures are generated by either rapid thermal expansion or material phase change and may include either liquid or solid to gas phase change, or in the gaseous state with significant pressure generation in accordance with the gas laws. Sealing material thickness and material composition may be used to selectively control geometric expansion of the seal such that expansion is limited to a specific facing and or geometric plane.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2009},
month = {3}
}

Patent:

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