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:
Mar. 23, 1993
Filed:
Nov. 14, 1990
Applicant:
Inventors:
Pierre Le Goff, Nancy, FR;
Bertrand Clauzade, Lempdes, FR;
Assignee:
Pechiney Recherche, Courbevoie, FR;
Primary Examiner:
Int. Cl.
CPC ...
F28F / ;
U.S. Cl.
CPC ...
165115 ; 165118 ; 165184 ; 165914 ; 159 133 ; 159 274 ; 159D / ; 122 39 ;
Abstract
An apparatus for heat exchange between a fluid circulating in a tube of heat conductive material and a flow of liquid in a thin layer circulating by gravity in a channel of heat conductive material, in thermal contact with the tube and disposed in the manner of a helix around the tube. The invention has application to evaporation, desorption, condensation, and absorption in chemical and physico-chemical reactors, and especially in air conditioning and refrigeration systems.