Flow Control Using Electric Means TRIZ Cases

A flow-estimation processor calculates liquid rates from depth measurements using the Manning formula.

Segments reservoir simulations into discrete zones and applies preliminary calculations to reduce computation time while maintaining constraint compliance.

A mass flow controller uses a second flow meter to verify setpoint accuracy during operation.

A multi-hole orifice plate divides a single opening into multiple smaller apertures to maintain critical expansion conditions.

An irrigation control circuit board uses a voltage boosting circuit and power mitigation to prevent current spikes, ensuring reliable valve actuation.

A dual-sensor mass flow controller switches between thermal and pressure meters to maintain measurement accuracy across varying flow rates.

A flow rate controller detects orifice clogs by comparing preset and measured flow rates using a differential pressure meter.

A pressure-type flow rate control device computes upstream and downstream sensor differences to detect malfunction.

A fluid control unit adjusts valve aperture operation amounts to stabilize flow rates during state transitions.

A controller adjusts branch line control valves using real-time flow meter feedback to maintain precise gas distribution ratios.

A purge device detects container internal states before processing to determine optimal flow rates and supply times.

A cluster mass flow device regulates gas delivery through integrated control valves and sensors.

A multivariable fluid flow measurement device computes process fluid flow values using lookup tables for discharge coefficients.

Build-down system flow monitoring unit detects pressure changes to compute real-time gas flow rates without interrupting supply.

Aerial thermal imagery calculates stem water potential to resolve labor-intensive measurement bottlenecks.

A controller adjusts liquid flow rate cycles based on measurement results to extend mechanism life.

A signal processor uses velocity profile measurements to control a diverter for bitumen recovery.

A flow rate control apparatus uses parallel orifices and switching valves to manage fluid passages across different flow quantities.

A thermal mass flow meter applies temperature and pressure coefficients to correct measured fluid flow rates.

Calibrate variable flow restricting orifices using pressure sensors to eliminate manual adjustment errors and ensure accurate ammonia applicator flow rates.

A fuel cell control unit detects hydrogen concentration in the stack enclosure to manage purge valve operation.

A mass flow controller system selects optimal conversion factors for sample gas flow rates to maintain high accuracy.

Matching flow channel lengths and diameters stabilizes fluid temperature before sensor detection, suppressing measurement errors from rapid thermal changes.

A gas delivery system uses three-way valves to purge lines and reduce flow overshoot in mass spectrometers.

Replacing passive regulators with an active rotary pump eliminates hysteresis and enables zero flow reversal for reliable small-volume regulation.

An LED bar graph interface replaces expensive LCD displays to reduce pump system costs while maintaining precise motor control.

A flow rate signal correction method generates a secondary signal using current and past primary values to stabilize output.

A spray head uses a rotating disk with equi-angularly spaced openings to intermittently pulse fluid flow through the nozzle.

Variable frequency drive limits pump speed using motor electrical data to infer flow rate, preventing energy waste from oversized pumps.

A diverter valve directs polymer melt to pelletizing heads of varying throughput capacities during startup and steady-state operation.

Signal processing converts sensor data into diagnostic indicators for maintenance scheduling, resolving inefficiencies from indirect service hour tracking.

A purging device divides inner space into working and non-working areas to halt purge gas supply locally.

Pressure sensors across a flow restriction member determine precursor gas flow rate, solving mass sensor failures at high temperatures.

A raw material gas supply device adjusts container internal pressure to stabilize vaporization flow rates.

Cascaded adaptive filters separate noise components from pulsating flow signals, resolving measurement accuracy trade-offs caused by variable pump speeds.

Dynamic flow rate control maintains optimal silicon concentration in phosphoric acid, enabling precise etch selectivity adjustments for silicon nitride films.

Acoustic wave flow measurement replaces mechanical oscillation with intersecting sound waves to resolve complexity and accuracy trade-offs in fuel dispensing.

Inspecting flow rate measuring systems using volume comparison and temperature sensors to ensure accurate gas delivery.

A control unit adjusts pump curves automatically based on measured flow values to regulate fluid pressure in distribution networks.

A water purification system uses a closed recirculation loop with two independent solenoid valves to distribute purified water at precise volumetric rates.

Linearizing nonlinear pressure drop relationships reduces computational complexity while satisfying energy consumption and pressure constraints.

Capillary tube thermal sensor with paired upstream and downstream elements generates flow signals unaffected by external thermal gradients.

A monitoring component aggregates status data from multiple fire pump room devices and transmits indications to subscribing parties via a wireless network interface.

A piezoelectric oscillator measures gas density via resonant frequency shifts to regulate mass flow through an electronic valve.

Electromagnetic wave analysis replaces subjective visual inspection to objectively measure fuel adulteration levels and prevent engine damage.

An automated reticle purging system integrates pod opening, transport, and optical inspection to clean photomasks without manual handling.

Dynamic pump speed adjustment prevents vacuum-induced air ingress into storage tanks, protecting downstream equipment from oxygen corrosion and safety hazards.

Dynamic control of the bypass nozzle arrangement prevents sheet fluttering and image smearing across varying paper weights.

A shower control system coordinates water and steam subsystems for a spa experience.

External thermistor positioning combined with detected value correction compensates for valve body temperature gradients to maintain ±1.0% F.S. accuracy.