Combustion Regulation TRIZ Cases

See how a bus bar replaces daisy-chained burner wiring with parallel connections, simplifying w

Compensates flame temperature sensor drift by scaling off-state resistance, enabling stable combustion air ratio control in hydrogen heaters.

A modulated carrier and bandpass filter let a photodiode flame detector self-test its evaluation circuit and reject false positives.

By adjusting the furnace’s initial stage from prior cycle duration, the control approach cuts energy waste and improves heating response.

Flow-rate analysis during startup detects irregular burner ignition from target-flow deviation and recovery time, helping prevent damage and noise.

Moisture in the combustion cabinet can trigger false flame signals, so airflow purges it before ignition to verify reliable sensing.

Integrated and detachable CO sensing keeps HVAC technicians continuously protected during furnace flue testing while supporting diagnostics.

A supervision test enriches the fuel mixture and checks loop stability and CO levels to catch sensor drift before shutdowns or excess heat.

High-frequency regulated power stabilizes flame current sensing for faster, more reliable flame detection with lower bulk and hazard risk.

Placing the oxygen sensor before the heat exchanger speeds flue-gas feedback for automatic gas-family switching with lower CO and flame loss.

Pressure sensing and threshold counting distinguish benign ignition pulses from dangerous events, reducing unnecessary shutdowns while protecting the exhaust system.

Small flame currents become analog and digital signals, enabling gas appliances to detect weak flames and sensor degradation earlier.

Sound propagation time and noise patterns reveal flame presence and temperature in hydrogen-capable heating appliances.

A heating device infers flame ignition from rapid blower-speed changes, adding redundant detection without extra sensors.

This case combines heating-circuit flow and flame ionization limits to detect exhaust blockage and maintain safe heater operation.

A burner-proximate sensor and a distal chamber sensor calculate a positive temperature difference for faster, lower-cost flame proving.

A control unit compares combustion-air flow before and after gas admission to support safe, repeatable hydrogen heater startup.

A UV sensor detects ignition spark emissions to prevent unburned gas accumulation and deflagration risks in hydrogen heaters.

High-frequency alternating voltage heats plasma to regenerate ionization electrodes in burner flame areas.

A gas furnace controller extends induced draft blower operation after heating cycles to cool exhaust gases below filter melting points.

A burner control unit monitors operating parameters to optimize ignition processes.

Dual temperature sensors track combustion chamber thermal profiles to detect hydrogen flame states.

An adjustable AC voltage source generates pulsed signals to control detector sensitivity in flame monitoring systems.

A flame ionization detection circuit uses a pulse-width-modulated bypass to adjust amplifier input sensitivity independently of the measured current.

A burner control facility adjusts the air coefficient to calculate ionization signal target values for precise combustion regulation.

A photodiode flame scanner uses signal conditioning to emulate ultraviolet tube outputs.

A flame monitoring device uses dynamic feedback signals to evaluate operational integrity of safety-critical components.

A fan-assisted gas burner determines exhaust pipe status using temperature and ionization current measurements.

Varying the bias level of a flame sensing circuit via a microcontroller identifies parasitic leakage currents that cause false flame detection.

A flame rod measuring arrangement switches between low and high impedance circuits to detect ionization current and thermionic voltage.

Generating a test volume flow greater than ignition requirements enables reliable detection of partial exhaust blockages, preventing hazardous gas accumulation.

Switching ignition modes reduces electrode thermal stress and energy consumption while maintaining reliable flame stability.

Shaped lens directs flame radiation to segmented fiber bundles, enabling accurate tracking of moving flame fronts during extreme throttle operations.

Low impedance powering circuits separate parasitic currents from flame signals using periodic voltage waveforms, ensuring reliable combustion control.

A heating system sensor unit uses a bridging valve to equalize pressure, eliminating wind distortion during automated checks.

A flame sensing circuit supplies high-frequency alternating current to a conductive flame sensor for reliable burner ignition monitoring.

A gas burner uses an electronic sensor to detect backflow and reverses the fan direction during off phases.

High-frequency ionization voltage enables rapid low-pass filtering, resolving slow response times and false shutdowns in burner monitoring.

Magnetic coupling transfers thermocouple signals to bypass amplification needs, enabling precise flame intensity control.

A heating appliance method divides air mass flow into partial flows to mix with fuel gas for real-time sensor detection of material properties.

A burner controller manages message exchanges between system devices to ensure operational integrity.

A thermocouple assembly integrates a solid-state circuit breaker directly on the sensor cable to drive an electromagnetic gas valve.