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    • 10. 发明授权
    • HOT AIR GENERATOR
    • 热空气发生器
    • EP1563231B1
    • 2007-12-05
    • EP03758692.2
    • 2003-09-30
    • TECNOCLIMA S.p.A.
    • VESCOVI, Alfonso
    • F24H3/10F23D14/10
    • F24H3/105F23D14/105
    • The hot air generator comprises a combustion chamber, a liquid or gas fuel burner, an air-flue gas heat exchanger, a fan providing for the forced circulation of the combustion products and a fan providing for the forced circulation of the combustion products and a fan providing for the forced circulation of the air to be heated and is characterized in that the burner has an external surface having a curricular cross-section and a series of holes arranged on an upper semicircular arc of the external surface of the burner and having variable diameter in order to generate flames having decreasing heights from the end of the semicircular arc to the upper midpoint, and the heat exchanger is formed by arrays in series of plates connected one another in parallel, the number and distance between the plates forming each array being proportional to the inverse the temperature of the combustion products flowing into the heat exchanger, so as to keep the flow velocity of the combustion products constant.