Heat exchange – With cleaning means for heat exchanger
Patent
1977-04-25
1979-07-24
Lazarus, Ronald H.
Heat exchange
With cleaning means for heat exchanger
123 4114, 123198R, 134 24, 134 98, 134103, 134169A, F28G 900
Patent
active
041619790
ABSTRACT:
A two-cycle method for flushing an automobile cooling system and apparatus associated therewith. The method comprises cutting a hose between a water pump and a heater of a standard automobile cooling system. A pressurized air and water mixture is then introduced into the heater end of the cut hose, and after circulating through the cooling system, it exits through an opening in the top of a radiator which is normally sealed by a radiator cap. When this exiting water becomes clear, the second cycle is begun. The air and water mixture is introduced into the radiator opening and it circulates through the system in the opposite direction eventually exiting from the heater end of the cut hose. The apparatus of this invention includes a flow-through radiator cap which replaces the standard radiator cap, a plug which seals the water pump end of the cut hose and an "X" connector which by means of a pair of diverter valves directs the flow of the air and water into either the cut hose or the radiator opening. A mixer chamber is also provided which combines the pressurized air and water obtained from separate sources.
REFERENCES:
patent: 2222516 (1940-11-01), Powell et al.
patent: 2681657 (1954-06-01), Griffith
patent: 3115145 (1963-12-01), Monteath
patent: 3409218 (1968-11-01), Moyer
patent: 4083399 (1978-04-01), Babish et al.
LaTulip Margaret
Lazarus Ronald H.
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