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Retractable environmental sealA retractable environmental seal for use in sealing the opening of the exit cone for a rocket nozzle is described. A diaphragm-like cover having a central region adapted to be seated in sealing relation with the periphery of the opening is discussed. Radially extended failure zones for facilitating a pressure-induced rupture of the cover, and a plurality of angularly spaced tension springs connected with the peripheral portion of the cover are characterized.
Document ID
19790014303
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Dettling, J. R. (United Technologies Corp. Sunnyvale, Calif., United States)
Date Acquired
September 3, 2013
Publication Date
March 27, 1979
Subject Category
Mechanical Engineering
Report/Patent Number
Patent Number: NASA-CASE-MFS-23646-1
Patent Number: US-PATENT-4,146,180
Patent Application Number: US-PATENT-APPL-SN-891372
Accession Number
79N22474
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-MFS-23646-1|US-PATENT-4,146,180
Patent Application
US-PATENT-APPL-SN-891372

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