Flow Control Using Electric Means TRIZ Cases

Feedback control uses upstream pressure and a gradual exponential target to cut gas-flow undershoot while keeping fast response.

Pressure-differential flow sensing measures pipe flow accurately near bends and restrictions without complex spacing or metal fasteners.

Centralized graphic monitoring combines sensorless pump control with real-time operating data to improve energy management and maintenance visibility.

Automatic valve timing and mobile app scheduling shut water off after set periods, reducing faucet waste and lowering water bills.

A diaphragm and transducer flow sensor helps dispensing equipment switch products with less reconfiguration by tracking fluid flow and container emptiness.

Recovered amplitude from clipped vortex signals is cross-checked with frequency-based velocity to reject noise and retune filters.

Ultrasonic transducers and adaptive filtering enable accurate valve flow measurement without a conduit, cutting assembly length, parts, and install effort.

A permanent cleaning station uses stored tube-opening patterns to automate water jet positioning, cutting setup time and operator risk.

Switching control between downstream and upstream valves cuts pressure loss while preserving fast, stable flow rate response.

Multiple chambers and pressure sensors cut noise and improve transient gas flow verification for mass flow controller testing.

Sensor mapping lets a remote indexer learn tube opening patterns and aim high-pressure water jets accurately with less setup time and operator exposure.

A pressure compensation chamber balances sensor casing pressure to prevent leakage and enable compact mass flow controllers.

Ultrasonic sensing and calibration maintain accurate flow measurement near pipe obstructions, enabling more compact irrigation flow layouts.

A downstream variable valve near the pressure sensor offsets backpressure, enabling fast low-flow control and accurate flow verification.

An indexed rotary lance aligns high-pressure water jets to heat exchanger tube openings, cutting setup time and reducing operator exposure.

A smart indexing controller learns tube opening patterns to align a rotary lance automatically, cutting setup time and operator exposure.

Pressure equalization and gas temperature estimation let an IV pump measure changing chamber volume and maintain accurate fluid flow.

Pressure sensing during automated peritoneal dialysis detects patient fullness and stops pumping to prevent overfilling and discomfort.

Independent airflow and metering timing helps offset booms cover transition zones fully while reducing particulate product loss.

Initialization sensor values and discharge thresholds filter wind-distorted seed tender weights to improve loading and unloading accuracy.

Pressure sensors and a movable valve body regulate bucket outlet area to keep firefighting drops steady while reducing turbulence and waste.

Real-time electrostatic voltage sensing at pumps and insulating lines enables parameter adjustment to limit ESD, particles, and ignition risk.

Uses pump source signals instead of pressure transducers to cancel pulsating flow noise, including high-frequency components, and stabilize control.

Pressure sensors and a laminar flow element enable stable gas flow splitting without thermal sensor drift or gas-property data.

A map overlay with GPS-based positioning lets users adjust irrigation zones and sprinklers more easily while tracking water usage on large properties.

Pressure sensing and vented pneumatic checks let automated peritoneal dialysis detect patient fullness and avoid fluid overfilling.

A one-piece HVAC valve integrates ultrasonic flow measurement and valve actuation to simplify assembly and improve continuous flow accuracy.

A dedicated programmable mass flow controller cuts host jitter to deliver fast gas pulses with higher repeatability in high-speed processes.

Motor variables are used to estimate pressure and flow, enabling adaptive hydronic pump control without flow meters or pressure sensors.

A unified node-and-mesh model simulates 1D and multi-dimensional fluid flow together, avoiding separate processing and result integration.

Relative RF signal strength from multiple light fixtures locates objects accurately while avoiding angle-based errors and heavy processing.

Upstream and downstream pressure across a flow restrictor estimates flow and flags flow meter faults before process disruption.

An adaptive DC canceller filter suppresses flow-signal noise from pulsating fluid flow, stabilizing proportional valve control as pump speed changes.

A dual-passage zipper bridge uses threaded flange adjustment and flow diverters to simplify frac tree hookup and reduce turbulence erosion.

A wax-actuated sensor shifts axial position to open coolant flow during overheating or pressure faults, adding fail-safe valve control.

A motion-sensor lid pairs with an atomized waterless mist to control waste-bin odors without the residue and slipping hazards of liquid air fresheners.

Using upstream absolute and downstream differential pressure sensing, this controller preserves flow accuracy and repeatability at low setpoints.

A single upstream pressure sensor estimates downstream pressure to measure non-critical flow accurately while reducing MFC sensor cost.

Historical flow sensor data is used to adjust run settings in real time, improving leak detection and water usage control.