| 摘要 |
A radiant tube heater assembly includes a housing (1) containing a blower (9) and a burner (12), which is aligned with an opening (2) in the housing (1) through which a flame and products of combustion flow into a U-shaped burner tube (4).
The closed downstream end (19) of the burner tube (4) is in close proximity to the housing (1). In order to prevent or reduce the likelihood of the products of combustion entering the blower (9), an exhaust tube (20) is mounted in a downstream leg (21) of the burner tube (4) and extends outwardly through the U-shaped outer end (18) of the tube (4) remote from the housing (1). |
