PAVEMENT HEATING METHOD Russian patent published in 2009 - IPC E01C11/26 

FIELD: construction, road construction.

SUBSTANCE: patent application concerns a pavement heating system, which includes arrangement of main supply and return pipelines installed under the pavement and carrying the coolant, heating source and pump, and also heating units installed under the pavement area to be heated and connected to the supply and return pipelines, and also actuators and control equipment. The system is equipped with an underground reservoir with heat-retaining substance; an additional pipeline with a heat exchanger is inserted into the reservoir, the pipeline inlet is connected to the return pipeline and output - to the supply pipeline, and the heat exchanger is located in the said reservoir, the system is also fitted with additional cocks, one pair of which is installed in the additional pipeline and the second pair of additional cocks is installed in the supply and return pipelines, with the pump installed in the return pipeline upstream the cock installed in the pipeline.

EFFECT: ensured pavement heating.

2 cl, 1 dwg