Pressure responsive fluid pump shut off and alarm system

Details Pressure responsive fluid pump shut off and alarm system Pressure responsive fluid pump shut off and alarm system

1990-11-26

1991-11-12

Bertsch, Richard A.

Pumps

Condition responsive control of pump drive motor

By stopping pump in response to leakage into or from system

417 12, 417 18, 417 38, 417 44, 417 53, 417 63, F04B 4908

Patent

active

050643479

ABSTRACT:
A pump supply system for furnishing well water or the like which is sensitive to and operates within a range defined by a pressure switch to supply water when pressure in the system falls below a preset minimum pressure and shut off the pump when the pressure reaches a predetermined value. Timing means is employed in the system and preset to time out after a predesignated interval of operation of the pump. The system will retime the next pumping cycle, if that interval of operation is not exceeded. If the pump seeks to operate beyond the predesingated time period, the timing circuit is disabled, the pump is shut down, and an alarm is activated.

REFERENCES:
patent: 2430257 (1947-11-01), Teeson
patent: 4290735 (1981-09-01), Sulko

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