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Diffuser/ejector system for a very high vacuum environmentTurbo jet engines are used to furnish the necessary high temperature, high volume, medium pressure gas to provide a high vacuum test environment at comparatively low cost for space engines at sea level. Moreover, the invention provides a unique way by use of the variable area ratio ejectors with a pair of meshing cones are used. The outer cone is arranged to translate fore and aft, and the inner cone is interchangeable with other cones having varying angles of taper.
Document ID
19840019681
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Riggs, K. E. (Lockheed Missiles and Space Co. Huntsville, Ala., United States)
Wojciechowski, C. J. (Lockheed Missiles and Space Co. Huntsville, Ala., United States)
Date Acquired
September 4, 2013
Publication Date
June 19, 1984
Subject Category
Research And Support Facilities (Air)
Report/Patent Number
Patent Number: NASA-CASE-MFS-25791-1
Patent Number: US-PATENT-4,454,753
Patent Application Number: US-PATENT-APPL-SN-409678
Accession Number
84N27749
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-MFS-25791-1|US-PATENT-4,454,753
Patent Application
US-PATENT-APPL-SN-409678

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