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Title: Seal assembly with anti-rotation pin for high pressure supercritical fluids

Abstract

A seal assembly for sealing a machine with a first chamber and a second chamber is provided. A rotating shaft extends through the first and second chambers, and rotates therein. The seal assembly has a seal housing, a seal ring and a seal pin. The seal housing is positionable in the machine housing. The seal housing has a seal pocket extending into a fluid side thereof, and a housing receptacle extending into an inner diameter thereof at the seal pocket. The seal ring is positionable in the seal pocket of the seal housing for forming a seal therewith. The seal ring has a ring receptacle extending into an outer diameter thereof. The ring receptacle is positionable adjacent to the housing receptacle for defining a pin hole therebetween. The seal pin is loosely positionable in the pin hole whereby movement about the seal ring is accommodated while preventing rotation thereof.

Inventors:
;
Issue Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1150018
Patent Number(s):
8794634
Application Number:
12/882,492
Assignee:
Sandia Corporation (Albuquerque, NM)
Patent Classifications (CPCs):
F - MECHANICAL ENGINEERING F16 - ENGINEERING ELEMENTS AND UNITS F16J - PISTONS {
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Patent
Resource Relation:
Patent File Date: 2010 Sep 15
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Citation Formats

Wright, Steven A., and Fuller, Robert L. Seal assembly with anti-rotation pin for high pressure supercritical fluids. United States: N. p., 2014. Web.
Wright, Steven A., & Fuller, Robert L. Seal assembly with anti-rotation pin for high pressure supercritical fluids. United States.
Wright, Steven A., and Fuller, Robert L. Tue . "Seal assembly with anti-rotation pin for high pressure supercritical fluids". United States. https://www.osti.gov/servlets/purl/1150018.
@article{osti_1150018,
title = {Seal assembly with anti-rotation pin for high pressure supercritical fluids},
author = {Wright, Steven A. and Fuller, Robert L.},
abstractNote = {A seal assembly for sealing a machine with a first chamber and a second chamber is provided. A rotating shaft extends through the first and second chambers, and rotates therein. The seal assembly has a seal housing, a seal ring and a seal pin. The seal housing is positionable in the machine housing. The seal housing has a seal pocket extending into a fluid side thereof, and a housing receptacle extending into an inner diameter thereof at the seal pocket. The seal ring is positionable in the seal pocket of the seal housing for forming a seal therewith. The seal ring has a ring receptacle extending into an outer diameter thereof. The ring receptacle is positionable adjacent to the housing receptacle for defining a pin hole therebetween. The seal pin is loosely positionable in the pin hole whereby movement about the seal ring is accommodated while preventing rotation thereof.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {8}
}

Works referenced in this record:

Shaft sealing device for a butterfly valve
patent, September 1976


Seal-off mechanism for rotating turbine shaft
patent, February 1988


Floating seal arrangement
patent, May 1991


Labyrinth seal system
patent, July 1991


Balanced floating labyrinth seal
patent, April 1995


Turbine interfitting packing with cam adjustment
patent, January 1996


Rotary seal and/or bearing
patent, April 2001


Spring-backed abradable seal for turbomachinery
patent, April 2003


Integrated labyrinth and carbon seal
patent, February 2007


A Fluid Mechanics Approach to the Labyrinth Seal Leakage Problem
journal, April 1961