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Hermetically Sealed CompressorProposed hermetically sealed pump compresses fluid to pressure up to 4,000 atm (400 MPa). Pump employs linear electric motor instead of rotary motor to avoid need for leakage-prone rotary seals. In addition, linear-motor-powered pump would not require packings to seal its piston. Concept thus eliminates major cause of friction and wear. Pump is double-ended diaphragm-type compressor. All moving parts sealed within compressor housing.
Document ID
19940000467
Document Type
Other - NASA Tech Brief
Authors
Holtzapple, Mark T. (Texas A&M Univ.)
Date Acquired
August 16, 2013
Publication Date
August 1, 1994
Publication Information
Publication: NASA Tech Briefs
Volume: 18
Issue: 8
ISSN: 0145-319X
Subject Category
Machinery
Report/Patent Number
MSC-21427
Accession Number
94B10467
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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