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:
Nov. 28, 2023
Filed:
Mar. 07, 2019
Applicant:
Casale SA, Lugano, CH;
Inventors:
Cristiano Caselli, Como, IT;
Luca Redaelli, Drezzo, IT;
Assignee:
CASALE SA, Lugano, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28D 7/12 (2006.01); F28D 7/06 (2006.01);
U.S. Cl.
CPC ...
F28D 7/12 (2013.01); F28D 7/06 (2013.01);
Abstract
A shell and tube apparatus () includes an outer shell (); a first tube bundle () and a second tube bundle () coaxial with each other; a first inner shell () and a second inner shell (); the first inner shell surrounds the first tube bundle and is arranged between the two tube bundles; the second inner shell surrounds the second tube bundle and is arranged in the space between the second tube bundle and the outer shell (); the first tube bundle () operates as a preheater; the second tube bundle () operates as a boiler; the coaxial inner shells () define a counterflow path for a hot fluid which passes through the shell side.