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US 6,474,951 B2Granted
Controller for pump and valve
AssigneeWilo SE
InventorsWaldemar Stephan, Albert Genster
Life of this patent
Estimating the term…
Abstract
The invention relates to an apparatus including a pump 1 driven by an electronically controlled electric motor 3 with a pump controller 4 and a valve 2 operated by an electronically controlled drive 10 with a valve controller 11, the valve controller 11 being partially or fully integrated in the pump controller 4.
Claims8
A pumping apparatus comprising:
- a pump connectable in a fluid path;
- an electronically-controlled electric motor connected with said pump for controlling same;
- a valve in said fluid path;
- an electronically-controlled drive connected to said valve for controlling same;
- an electronic pump controller connected to said electric motor and comprising a power circuit component, a processor component and a communication module component connectable with a master controller for operating said electric motor and said pump;
- and
- a valve controller for said drive and including at least one of said components of said pump controller, whereby said valve controller is at least partially integrated in said pump controller.
4 more elements
Dependencies are inferred from the claim text.