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:
Aug. 24, 1976
Filed:
Jul. 30, 1975
Applicant:
Inventors:
Denis G Csathy, Minneapolis, MN (US);
Wendell L Hung, Minneapolis, MN (US);
Jon M Heath, New Brighton, MN (US);
Assignee:
Deltak Corporation, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F22B / ; F22B / ;
U.S. Cl.
CPC ...
122 / ; 122114 ;
Abstract
A vertical firetube boiler in which the upper tube sheet has a dished formation to coact with an annular baffle spaced down from the peripheral portion of the upper tube sheet, to cause the circulating steam-water mixture in the boiler to flow radially outward along the underside of the upper tube sheet to a circular row or belt of holes that open to an annular steam collecting chamber.