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:
Jul. 03, 2018
Filed:
Jan. 02, 2015
Applicants:
Joseph J. Franzino, Redding, CT (US);
George M Cruz, Norwalk, CT (US);
Inventors:
Joseph J. Franzino, Redding, CT (US);
George M Cruz, Norwalk, CT (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 9/032 (2006.01); F28G 9/00 (2006.01); B08B 9/027 (2006.01); C23G 1/02 (2006.01); C23G 1/14 (2006.01); C23G 3/04 (2006.01); F28G 15/00 (2006.01); C11D 11/00 (2006.01);
U.S. Cl.
CPC ...
F28G 9/00 (2013.01); B08B 9/027 (2013.01); B08B 9/032 (2013.01); C23G 1/02 (2013.01); C23G 1/14 (2013.01); C23G 3/04 (2013.01); F28G 15/003 (2013.01); C11D 11/0041 (2013.01);
Abstract
A system for descaling heat exchanger surfaces using a varying concentration of either an acidic or alkaline solution, selecting an optimum pH value for descaling a heat exchanger according to the level of cleaning the heat exchanger requires, monitoring pH value of descaling solution during circulation through a heat exchanger, and adding chemical solution to achieve coincidence of optimum and monitored pH values during descaling operation.