Road-marking material heating system

Liquid heaters and vaporizers – Friction generator

Patent

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Details

237 123R, 126247, F22B 902

Patent

active

045761221

ABSTRACT:
A mechanical heat-generating system for heating a road-marking material being sprayed onto a road surface from a vehicle is disclosed. The system includes a heat exchanger for placing the road-marking material in indirect contact with a heat exchange fluid at an elevated temperature to raise the temperature of the road-marking material. The heat exchange fluid is stored in a tank which functions as a controlled heat source. A heat generator mechanically heats the heat exchange fluid during the passage of the fluid through the generator. A pump mechanism pumps the fluid through conduits connecting the heat exchanger, storage tank and heat generator.

REFERENCES:
patent: 3092325 (1963-06-01), Brown, Jr. et al.
patent: 3813036 (1974-05-01), Lutz
patent: 3820718 (1974-06-01), Ammon
patent: 4060194 (1977-11-01), Lutz
patent: 4190205 (1980-02-01), Mitchell
patent: 4293092 (1981-10-01), Hatz et al.
patent: 4372254 (1983-02-01), Hildebrandt
patent: 4381762 (1983-05-01), Ernst
patent: 4387851 (1983-06-01), Dick

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