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US 7,174,721 B2Granted
Cooling load enclosed in pulse tube cooler
OwnerMatthew P. Mitchellinventor
Life of this patent
Estimating the term…
Abstract
A cooling load 90 is enclosed within the envelope of the pressure vessel that contains the working fluid in a pulse tube cooler in a load space 95 adjacent to a regenerator 58 of that pulse tube cooler. Flow-smoothing means 63, which include stacked screens and perforated plates, or diffuser nozzle 104 or diffuser cone 106, spreads the flow of fluid that enters the cold end of pulse tube 66.
Claims14
A pulse tube cooler in combination with a cooling load wherein
- said cooling load is enclosed by the pressure vessel of said pulse tube cooler, and wherein
- said cooling load is in direct contact with the working fluid of said pulse tube cooler, and wherein
- flow distributer means are interposed between said cooling load and the pulse tube of said pulse tube cooler.
A pulse tube cooler in combination with a cooling load wherein
- said cooling load is contained within the envelope of the pressure vessel of said pulse tube cooler, and wherein
- flow distributer means are interposed between said cooling load and the pulse tube of said pulse tube cooler and wherein
- said cooling load comprises an electro-optical device, and wherein
- said envelope of said pressure vessel of said pulse tube cooler contains a transparent window.
1 more element
Dependencies are inferred from the claim text.