NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Collections About News Help Login

Press Enter or click the Search button to begin your search.

Back to Results
Linear motion valveThe linear motion valve is described. The valve spool employs magnetically permeable rings, spaced apart axially, which engage a sealing assembly having magnetically permeable pole pieces in magnetic relationship with a magnet. The gap between the ring and the pole pieces is sealed with a ferrofluid. Depletion of the ferrofluid is minimized.
Document ID
19850020972
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Chandler, J. A. (NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Date Acquired
August 12, 2013
Publication Date
June 18, 1985
Subject Category
Mechanical Engineering
Report/Patent Number
Patent Number: US-PATENT-4,523,741
Patent Application Number: US-PATENT-APPL-SN-636465
Patent Number: NASA-CASE-MSC-20148-1
Accession Number
85N29284
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-4,523,741|NASA-CASE-MSC-20148-1
Patent Application
US-PATENT-APPL-SN-636465

Related Records

There are no records associated with this record.
No Preview Available