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

Patent ·
OSTI ID:1150018
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.
Research Organization:
SNL-A (Sandia National Laboratories, Albuquerque, NM (United States))
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
Sandia Corporation (Albuquerque, NM)
Patent Number(s):
8,794,634
Application Number:
12/882,492
OSTI ID:
1150018
Country of Publication:
United States
Language:
English

References (1)

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

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