Pump Control TRIZ Cases

A multi-fan system uses a single input terminal to decode identification codes from a driving signal string for fan and light control.

Elevated secondary pumps prevent basement flooding when main units fail, while periodic testing maintains battery reliability.

Segmented flow paths and nested return assemblies increase mechanical energy conversion by re-circulating fluid through multiple blade subsets.

An inverted cup with a sealed top and open bottom defines an inner air space connected to a pressure transducer for accurate fluid level detection.

A double pump check valve uses a spoiler inflow surface to apply oblique closing force, preventing short-circuit currents at high flow rates.

A hydraulic safety valve switches configurations to connect enclosures during cylinder capacity transitions.

Comparing vibration signals from multiple sensor locations allows the system to distinguish internal mechanical faults from external noise sources.

A vacuum device unifies mechanical mounting and electrical contact into a single axis interface for accessory units.

A gas estimation device estimates flow rate and type using motor current values.

A vacuum pump controller distinguishes analog and digital signals at the interface to activate interference suppression devices.

Inlet valve with movable element and spring regulates vacuum pump pressure, preventing thermal overload and oil emissions.

A centrifugal pump monitoring system uses vibration and temperature sensors with local processing for real-time anomaly detection.

Integrating the pressure switch and run capacitor into one unit reduces installation complexity and troubleshooting difficulty.

A liquid chemical supply system uses multiple pressure detectors with different ranges to enable adaptive pressure feedback control for precise discharge flow rate management.

Encoding setting parameters into a single code prevents manual configuration errors and ensures accurate implementation of planner specifications.

System compares process parameter measurements against baseline to validate instrument sensitivity, enabling early detection of faulty indicators.

A double piston pump uses a non-positive motor connection that engages only when working-side pressure falls below a target level.

A third control aperture and first channel reduce pressure between housing spaces, preventing cavitation-induced wear on the control plate.

Electronic synchronization of multiple oscillating displacement pumps eliminates pressure pulsations and removes the need for mechanical dampers.

Dual electrical control valves regulate refrigerant flow between high-pressure and crank chamber regions to resolve no-load efficiency contradictions.

Frequency converter estimates pump operating points using electrical parameters to detect wear without additional sensors.

Segmented pressure chambers maintain overpressure against ambient water, protecting slip rings and converters from corrosion while managing device complexity.

A drainage pump adjusts operational speed via snoring detection to maintain efficient fluid removal.

A water booster control system uses a graphical interface to enable real-time adjustment of pump parameters and remote alarm monitoring.

A hand air pump integrates large and small pumping chambers with a slider switch mechanism for mode selection.

Segmented concentric pistons with independent locking mechanisms reduce vibration and noise by inhibiting unnecessary motion.

An integrated slide switch adjusts motor speed within the terminal box, reducing device complexity and space requirements.

A water cleaner machine uses a single pressure switch to control two parallel electric pumps and a three-way manual switch for dispensing high-pressure water.

Cross-sectional constrictions in connecting lines balance gas loads across identical backing pumps, reducing energy consumption and cooling requirements.

Controller manages fan motor restart after inverter trip to maintain compressor operation.

Synchronized valve control compensates displaced volumes between pumps, eliminating pressure fluctuations and ensuring consistent slurry flow.

Microprocessor control system maintains compressor rotation to preserve lubricating oil film integrity under high compression and low speed conditions.