Pump bearing overheating detection device and method

Details Pump bearing overheating detection device and method Pump bearing overheating detection device and method

1991-07-03

1992-09-08

Smith, Leonard E.

Pumps

Condition responsive control of pump drive motor

Responsive to pump or pump fluid temperature

417 13, 417 63, 184 64, 374153, F04B 4902

Patent

active

051453223

ABSTRACT:
A deep well water pump system has a temperature probe (17) in the air space above the top bearing (12), preferably in the oil inlet chamber (26), and provides means for signalling abnormal temperatures to warning and system shutdown means. A method of detecting bearing overheating indirectly by sensing the shaft temperature and/or the temperature in the enclosed air space above the bearing is disclosed.

REFERENCES:
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patent: 3248938 (1966-05-01), Hill et al.
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patent: 3548396 (1970-12-01), Roberts
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patent: 3824579 (1974-07-01), Waseleski, Jr.
patent: 3926053 (1975-12-01), Schurrer
patent: 4074575 (1978-02-01), Bergman et al.

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