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. 31, 2002
Filed:
Feb. 15, 2002
Applicant:
Inventors:
Jeffery Tawney, St. Petersburg, FL (US);
Eric Bright, Clearwater, FL (US);
Assignee:
AquaCal, St. Petersburg, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F28D 7/12 ;
U.S. Cl.
CPC ...
F28D 7/12 ;
Abstract
A tube and shell heat exchanger is formed by a shell enclosing an internal sidewall which in turn receives an internally located flow controller outer and inner heat exchange cavities are formed between the outer shell and the internal shell and the internal shell and the flow controller, respectively. Helical convolutions of the conduit are provided in each of the heat exchange cavities for counter concurrent flow of fluid medium from one cavity to another. A bottom wall closes off the outer shell.