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:
Apr. 20, 1993
Filed:
Nov. 17, 1989
Applicant:
Inventors:
Paul K Beatenbough, Medina, NY (US);
Kris J Meekins, Bemus Point, NY (US);
Clark E Stohl, Lakewood, NY (US);
Assignee:
Long Manufacturing Ltd., Oakville, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F / ; F28F / ; F28F / ;
U.S. Cl.
CPC ...
165 41 ; 165 51 ; 165167 ; 165916 ;
Abstract
The invention relates to an improved energy exchange structure, comprising generally parallel plates, joined to define a hollow passageway for the generally circular flow of fluid between an inlet and an outlet, said plates undulating in cross-structure to define obliquely disposed crossing opposing valleys, and comprising multiple sets of generally parallel valleys and an involute disposition of said valleys.