The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 10, 1996
Filed:
Dec. 27, 1994
Applicant:
Inventor:
James G Davidson, Paris, TN (US);
Assignee:
Ecometrics Corp., Paris, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F17C / ;
U.S. Cl.
CPC ...
62 502 ; 62 504 ; 165D / ;
Abstract
A liquid nitrogen capillary tube heat exchanger comprises a vertical array of alternating vaporization chambers and pressure control chambers connected together in series. The vaporization chambers each have a plurality of capillary tubes mounted in exterior loops along the exterior of the chamber in communication with liquid nitrogen in the chamber. The capillary tubes provide a contolled rate of vaporization of the liquid nitrogen and increased exterior surface area to facilitate refrigeration. The pressure control chambers are filled with copper filings and a dessicant.