Automotive|Heat management|Mechanical water pump

Fully variable water pump ECF

Companies handling the product:Nidec GPM

The professional in demand recognition

In addition to switching the coolant flow on and off this fully variable ECF (Electro hydraulically Controlled Flow) - water pump can regulate the flow rate in between with a modulated hydraulic pressure generated by an electrically initiated and pulsing solenoid valve. For completing the control loop NGPM uses a constant feedback of the control slider’s position by magnet and sensor.

This concept supports NGPMs main goal to reduce the CO2-emissons due to a coolant flow perfectly adjusted to the engine’s demand.
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Product data

Product specifications

Flow rate 250 l/min at 6240 rpm
Operating pressure: 1,5 bar at 6240 rpm
Temperature range -40°C to +110°C
Speed: 0-7488 rpm

Special features

• On demand coolant heat management / flow regulation, Fast engine heating causes a reduction of fuel consumption and emissions, Independent from vacuum, In comparison to constant pump no increase of installation space, Power reserves of Axial Piston Pump when controlling, Fail-safe function: a full delivery is guaranteed even if there is a control failure

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