Measuring and testing – Simulating operating condition – Marine
Patent
1982-12-10
1985-01-08
Caldwell, Sr., John W.
Measuring and testing
Simulating operating condition
Marine
165 95, 73168, G01M 1500
Patent
active
044921136
ABSTRACT:
An economical compact heat exchanger cleaning and testing device and a method of cleaning and testing heat exchangers using said device is disclosed. The device involves a T-shaped fitting, one end of the top portion of the "T" being adapted to be connected to a source of water under pressure and the other end being adapted to be connected to the hose leading to the heat exchanger. The other leg of the "T" is adapted to be connected to a source of air pressure and contains both an air pressure gauge and a modulating valve. By introducing water under pressure and alternately increasing and decreasing the air pressure, a shock wave is produced which tends to remove any accumulated scale in the heat exchanger. After the heat exchanger has been completely cleaned the heat exchanger can be filled with water under pressure and the air pressure can be increased up to a measured pressure to determine whether or not there are any leaks in the system.
REFERENCES:
patent: 1034301 (1912-07-01), Redeker
patent: 3034521 (1960-04-01), Greenfield
patent: 3296854 (1967-01-01), Morgan
patent: 4235100 (1980-11-01), Branchini
Caldwell Sr. John W.
Gray John L.
Harding, Jr. Ellwood G.
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