Method and apparatus for controlling the start of an intermitten

Details Method and apparatus for controlling the start of an intermitten Method and apparatus for controlling the start of an intermitten

1979-11-21

1982-01-19

Freeh, William L.

Pumps

Condition responsive control of pump drive motor

Having timer or delay means

417 45, 417 53, F04B 4900

Patent

active

043114385

ABSTRACT:
Renewed starting of an intermittently operating pump is controlled in that the running time of the pump from the last start thereof is measured by means of a running time gauge the measuring value of which is maximized, and in that the pause time commencing at the end of the running time is controlled by start delaying means in dependence on the duration, measured by the running time gauge, of the preceding running time such that a long running time gives a short pause time and a short running time gives a long pause time.

REFERENCES:
patent: 3191114 (1965-06-01), Reed
patent: 3283236 (1966-11-01), Legg
patent: 4171932 (1979-10-01), Miller
patent: 4201517 (1980-05-01), Ferguson

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