NASA NTRS · 19940000467
Hermetically Sealed Compressor
Abstract
Proposed 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.
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Holtzapple, Mark T.. 1994-08-01. Hermetically Sealed Compressor. https://ntrs.nasa.gov/citations/19940000467
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