US Patent 11118842 Heat exchanger with a plurality of non-communicating gas vents
Patent 11118842 was granted and assigned to Rinnai on September, 2021 by the United States Patent and Trademark Office.
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Patent abstract
The heat exchanger (1) has a plurality of heat exchange units (10) stacked in a direction of a gas flow passage of combustion exhaust gas, each of the heat exchange units (10) includes an internal space (14) through which a fluid to be heated flows, a plurality of gas vents (13) penetrating the internal space (14) in a non-communicating state and through which the combustion exhaust gas passes, and an inwardly directed step portion (17) reducing a height of the internal space (14) between adjacent gas vents (13).
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Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
111188420
Date of Patent
September 14, 2021
0Patent Application Number
201907050
Date Filed
July 5, 2019
0Official Website
Edits on 25 Sep, 2022
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Infobox
Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
111188420
Date of Patent
September 14, 2021
0Patent Application Number
201907050
Date Filed
July 5, 2019
0Official Website
Edits on 6 Jun, 2022
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Edits on 18 Sep, 2021
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US Patent 11118842 Heat exchanger with a plurality of non-communicating gas vents
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
11118842
Date of patent
September 14, 2021
Patent application number
20190705
Date Filed
July 5, 2019
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