Forklift Hydraulic Flow Sensor Calibration for Viscosity Drift

The patent implements a feedback mechanism where the electronic control device continuously monitors the volume flow sensor signals and compares them against expected values based on pump operating conditions. When deviations are detected that indicate viscosity-related measurement errors, the system automatically adjusts the pump control parameters to compensate, thereby maintaining measurement precision without changing the physical sensor structure.

The patent changes the operational parameters of the measuring turbine by adjusting its rotational speed range and measurement scaling factors based on detected hydraulic fluid viscosity conditions. The electronic control device modifies the evaluation parameters of the sensor signals dynamically, allowing the same physical sensor to maintain precision across varying viscosity conditions caused by temperature changes or fluid aging.

The patent transitions from a static pump delivery volume setting to a dynamic adjustment system. The electronic control device continuously adapts the pump's delivery volume based on real-time sensor feedback about actual consumer demands and hydraulic fluid conditions. This dynamic approach allows the system to maintain reliable supply by matching pump output precisely to consumer needs, eliminating the need for excessive energy provision and associated throttling losses.

The hydraulic system implements self-service through automatic regulation. The electronic control device uses feedback from volume flow sensors and consumer status sensors to autonomously adjust pump operation without external intervention. This self-regulating mechanism ensures consumers are supplied with exactly the hydraulic energy they require, preventing both over-supply (which causes energy loss) and under-supply (which compromises reliability).