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Spool valve cycles at controlled frequencySpool valve accurately controls the cycle of a pneumatically-actuated system over long periods. Regulation of pressure from the external source, positioning of the adjusting plugs, and magnet selection, together afford wide variation in cyclic timing and speed of closure in either direction.
Document ID
19660000493
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Charlton, K. W.
Van Arnam, D. E.
Date Acquired
August 3, 2013
Publication Date
November 1, 1966
Subject Category
Mechanics
Report/Patent Number
MSC-143
Accession Number
66B10495
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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