DEVICE TO CLEAN POINT SWITCH FROM SNOW AND ICE Russian patent published in 2014 - IPC E01H8/02 

FIELD: construction.

SUBSTANCE: device for cleaning of a point switch from snow and ice comprises a system of nozzles with conical attachments, arranged between switch blades and frame rails of the point switch and connected by means of a supply manifold with a source of compressed air, serially connected a snow and ice sensor, installed on elements of the point switch between its switch blades, and a processing unit. The additional air manifold with help of three-way controlled valves is connected to the supply manifold on the area arranged in the close proximity to the point switch, the inlet of control of each valve is connected to the outlet of the processing unit.

EFFECT: invention makes it possible to clean a point switch depending on weather conditions, to reduce energy consumption, to increase efficiency of treatment and to increase the service life of the device itself.

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