Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Christian Cannas0
Date of Patent
November 23, 2010
Patent Application Number
11702174
Date Filed
February 5, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A heat exchanger for a gas boiler for producing hot water is provided with a casing extending along a first axis and through which combustion fumes flow; a tube forming a plurality of turns along which water flows arranged inside the casing so as to form gaps between adjacent turns; a disk for guiding said fumes trough the gaps; and teeth integrally made with the tube for spacing adjacent turns apart and forming said gaps.
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