Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1991-12-16
1993-08-17
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
340605, 340608, 417 63, G08B 2100
Patent
active
052373100
ABSTRACT:
A monitor (10) includes a transducer (20) registered with a pump (22) for generating electrical signals reflecting the status of the pump (22). The output of the transducer (20) is conditioned by a pump monitor circuit (16) to indicate the status (18) of the pump (22) and for subsequent delivery to an alarm processing unit (C) and alarm condition (D). The monitor (10) reports both normal and abnormal pump (22) conditions.
REFERENCES:
patent: 3739367 (1973-06-01), Fathauer
patent: 3855480 (1974-12-01), Striker et al.
patent: 4321461 (1982-03-01), Walter, Jr. et al.
patent: 4595342 (1986-06-01), Christlieb et al.
patent: 4642614 (1987-02-01), Cook
Inco Limited
Steen Edward A.
Swann III Glen R.
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