Patent ID: 6270020
Filing Date: 2001-08-07
Classification: E01H

Abstract:
A roadway deicing system comprising:a deicer storage container containing a liquid deicer;a pressurized gas storage container;a dispenser coupled to the deicer storage container and the pressurized gas storage container, said dispenser powered by pressurized gas from the pressurized gas storage container to propel deicer from the deicer storage container onto a roadway;said dispenser comprising a nozzle mounted and oriented to direct deicer from the storage container onto the roadway;a controller operative in response to a command signal to cause the dispenser to propel deicer from the deicer storage container onto the roadway for a brief time; anda command signal generator operative to generate the command signal in response to at least one of the following: a timer, a radio signal, a telephone signal, and temperature and humidity conditions that indicate a danger of icing conditions.