Solution for cleansing a cooling system

Details Solution for cleansing a cooling system Solution for cleansing a cooling system

1985-01-03

1986-02-11

Lieberman, Paul

Compositions

Dust suppressants for bulk materials, or processes of...

134 3, 134 34, 134 41, 252 792, 252 794, 252 81, 252 87, 252136, 252142, 252146, 252147, C02F 508, C23G 102

Patent

active

045697795

ABSTRACT:
The present invention provides a chemical solution and method which, when introduced into the cooling system of a liquid cooled engine, removes oxidized material such as sludge and rust by chemical reduction without draining or flushing the cooling system. The solution comprises a liquid carrier, such as water, which is miscible with the liquid of the cooling system, phosphoric acid and zinc oxide. The carrier constitutes about 70 percent by weight of the chemical solution, the phosphoric acid constitutes about 26-27 percent by weight of the solution and the zinc oxide constitutes about 3-4 percent by weight of the solution.

REFERENCES:
patent: 1765331 (1930-06-01), Gravell
patent: 2662814 (1953-12-01), Swihart
patent: 2873256 (1959-02-01), Hatch

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