DEVICE FOR CLEANING RAIL TRACK SWITCH FROM SNOW AND ICE COVER Russian patent published in 2000 - IPC

FIELD: railway track repair and maintenance machinery and equipment. SUBSTANCE: device has body 2 with nozzle 10 which are connected through supply line 1 to source of compressed air. Also provided is solenoid 3 with core 4 and through-passages 6. Their geometrical axes are parallel to axis of solenoid. Installed in central passage with possible displacement along axis of solenoid is spring-biased rod 7 made of ferromagnetic material with cone-shaped head-piece 8. Peak of head-piece is oriented towards nozzle for changing size of its through-hole. Nozzle is provided with flexible head-piece 11. Application of aforesaid embodiment of device allows for upgrading quality of cleaning due to possible adjustment of flow rate and range of heated air being discharged. EFFECT: higher efficiency. 1 dwg