Development of a J-T Micro Compressor

Cryogenic Engineering Conference 2015

材料科学;物理学

Champagne, P.^1 ; Olson, J.R.^1 ; Nast, T.^1 ; Roth, E.^1 ; Collaco, A.^1 ; Kaldas, G.^1 ; Saito, E.^2 ; Loung, V.^2

Advanced Technology Center, Lockheed Martin Space Systems Company, Palo Alto

CA

94304, United States^1

Santa Barbara Focalplane, Lockheed Martin Missiles and Fire Control, Goleta

CA

93117, United States^2

关键词: Flexure-bearing;    High pressure ratio;    High reliability;    Joule-Thomson;    Linear drives;    Lockheed Martin;    Piston compressor;    Pressure waves;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/101/1/012009/pdf
DOI  :  10.1088/1757-899X/101/1/012009

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

Lockheed Martin has developed and tested a space-quality compressor capable of delivering closed-loop gas flow with a high pressure ratio, suitable for driving a Joule-Thomson cold head. The compressor is based on a traditional "Oxford style" dual-opposed piston compressor with linear drive motors and flexure-bearing clearance-seal technology for high reliability and long life. This J-T compressor retains the approximate size, weight, and cost of the ultra-compact, 200 gram Lockheed Martin Pulse Tube Micro Compressor, despite the addition of a flow-rectifying system to convert the AC pressure wave into a steady flow.