Importance

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Abstract

There is disclosed an electronic control means for a pump, the control means comprising: input means, for accepting input signals, the input signals being indicative of the values of variable quantities which determine a desired flow rate of a fluid which, in use, is to be supplied by a pump; an electronic memory, comprising a plurality of memory locations, each memory location corresponding to a particular combination of values of the variable quantities and containing a stored control signal corresponding to the desired fluid flow rate determined by those values; and output means, for supplying the control signal, in use, to the pump. More specifically, there is disclosed equipment suitable for distributing a fluid over an area of land, the equipment comprising distribution means, to which fluid is supplied by a pump driven by an electric motor, the delivery rate of the fluid from the pump being a function of the operating speed of the pump, the equipment further comprising such control means.

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First Claim