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:
Jan. 18, 2022
Filed:
Mar. 24, 2020
Applicant:
Paloma Co., Ltd., Nagoya, JP;
Inventor:
Tsuyoshi Kawada, Nagoya, JP;
Assignee:
PALOMA CO., LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24H 1/12 (2006.01); F24H 1/14 (2006.01); F24H 9/18 (2006.01); F24H 9/14 (2006.01); F24H 9/06 (2006.01); F28F 9/02 (2006.01); F28F 9/00 (2006.01);
U.S. Cl.
CPC ...
F24H 1/124 (2013.01); F24H 1/145 (2013.01); F24H 9/06 (2013.01); F24H 9/146 (2013.01); F24H 9/1836 (2013.01); F28F 9/001 (2013.01); F28F 9/02 (2013.01);
Abstract
A secondary heat exchanger includes a case and a first heat transfer tube portion. The case includes a box body and a first closing member. The box body is provided with a second opening on one side in a third direction. A first assembly in which the first heat transfer tube portion and the first closing member are assembled integrally is mounted to the box body so that a plurality of first heat transfer tubes are is inserted into the box body from the second opening and so that the second opening is closed by the first closing member.