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Self-Adjusting Choke For NozzleSelf-adjusting choke for nozzle enables issuing stream of liquid to remain coherent, despite fluctuations in flow, along greater distance than possible with same nozzle without choke. Flexible membrane with slanted orifices deforms according to upstream pressure in flowing liquid. Advantageous for firefighting, making it possible to direct more concentrated flow of water at flame or hotspot. Also used in mining and for transferring liquids.
Document ID
19910000388
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Morrison, Andrew D.
(Caltech)
Date Acquired
August 14, 2013
Publication Date
August 1, 1991
Publication Information
Publication: NASA Tech Briefs
Volume: 15
Issue: 8
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
NPO-17625
Accession Number
91B10388
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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