| 摘要 |
PROBLEM TO BE SOLVED: To provide a hot air heater blowing out two hot air flows toward a hot air outlet without shifting the temperature. SOLUTION: The hot air heater comprises a rectangular tubular combustion chamber opening downward to a burner surrounded by a combustion tube 2 having one upper longitudinal side provided with an opening from the upper end to a specified position and the other longitudinal side projecting to the outside of the rectangle while covering the upper part with a guide plate 1b extending in front of the opening from the projecting part, a propeller fan 4 rotating clockwise when viewed rearward from the combustion chamber to feed the air thereto, and an air duct 7 having a hot air outlet 6 arranged in front of the combustion chamber and coupled with the propeller fan 4 and the hot air outlet 6 while surrounding the combustion chamber wherein the combustion chamber 1 is arranged such that the interval to the air duct 7 is increased on the left side when viewed from the hot air outlet 6. |
