| 摘要 |
The invention relates to a device for heating air by combustion of a fuel, comprising a combustion chamber, a burner, a feed for a combustible mixture, a curved discharge duct for flue gases, with a discharge opening for flue gases, a passage, which exchanges heat with the discharge duct, for the air which is to be heated, with a feed opening for air which is to be heated and a discharge opening for heated air.
|
