Line switch part snow melting device
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United States of America Patent
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Dec 16, 2003
Grant Date -
N/A
app pub date -
Aug 7, 2002
filing date -
Oct 19, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A thawing device for railway track points is constituted by connecting a heating coil (1a) wound around a floor plate (2) for heating the floor plate (2) by induction to an inverter device (5) for supplying high-frequency current to the heating coil (1a), via a connection cable (4); and providing a protection against magnetism (9, 10a-10c, 11a-11c , 12a, 12b) about the periphery of the heating coil (1a) and the connection cable (4).
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