Heating device for combusting a fuel-air mixture comprises an air outlet to a fan formed by a support arranged at right angles to the main axis of a suction tube and an air inlet formed by one or more openings of the suction tube

摘要

Heating device comprises an air outlet to a fan formed by a support (2) arranged at right angles to the main axis of a suction tube (1) and an air inlet formed by one or more openings of the suction tube lying on the common axis. The heating device has a lining (3) with a larger flow cross-section in one tube end for the air inlet than in the other tube end on the same axis. Preferred Features: The tube end shorter for the air inlet in relation to the support is closed on the outer side and a covering cap is arranged over the tube end.