Heat exchange – With alarm – indicator – signal – register – recorder – test or... – Remotely controlled inspection means
Patent
1973-12-28
1976-09-07
Davis, Jr., Albert W.
Heat exchange
With alarm, indicator, signal, register, recorder, test or...
Remotely controlled inspection means
73 69, 165 84, G01N 2900
Patent
active
039789152
ABSTRACT:
This application discloses an apparatus for detecting leaks or thin spots in condenser tubes by means of ultra-sonic radiations. A number of ultrasonic generators is placed within the chamber or enclosure of the tubes of a condenser, and the generators transmit ultrasonic waves to flood the chamber with energy. A detector sensitive to the frequency of the ultrasonic waves is scanned over the open ends of the condenser tubes. When the detector is at the end of a tube having a hole or thin spot, the intensity of vibrations picked up by the detector will be relatively high, and thus the defective tube is located. A condenser particularly adapted to testing of the tubes thereof by this method is also disclosed.
REFERENCES:
patent: 2514797 (1950-07-01), Robinson
patent: 2664274 (1953-12-01), Worn et al.
patent: 3042481 (1962-07-01), Coggeshall
patent: 3183967 (1965-05-01), Mettenleiter et al.
patent: 3312274 (1967-04-01), Sebald
patent: 3368610 (1968-02-01), Kartlube et al.
Davis Jr. Albert W.
E. F. I. Inc.
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