Patent ID: 6935052

Claim:
A dryer for objects, in particular for vehicle bodies, with a) an insulated housing; b) a dryer tunnel arranged within the housing, in the side walls of which a plurality of inlets are arranged, via which hot circulating air can be directed towards the objects; c) at least one suction aperture in the region of the dryer tunnel situated below the objects, via which the circulating air emerges from the dryer tunnel; d) at least one air space arranged to the side of the dryer tunnel, via which the circulating air is drawn upwards with the aid of a blower; e) at least one air-diffusing space bordering the side wall of the dryer tunnel, which communicates with the pressure side of the blower and from which the circulating air reaches the space of the dryer tunnel via the nozzles; f) a piping system located in the interior space of the housing, through which hot primary gases flow and which is in heat-exchange relationship with the circulating air, characterised in that g) the piping system comprising a plurality of pipe sections in direct communication with each other wherein the circulating air vertically flows around the plurality of pipe sections and further wherein the piping system is arranged in substantially vertical orientation in the air space which, as a result, is configured as a heating space ( 13 ).