Efficient Regulation Technologies TRIZ Cases

See how a heat medium relay unit with separate housings shortens circulation paths, reduces ref

See how a refrigerant-to-refrigerant heat exchanger in series with a condenser enables sub-ambi

See how compressor speed thresholds dynamically switch cooling and dehumidifying modes to balan

See how a dual-speed circulatory pump maintains hot water line temperature below the tankless h

See how a refrigeration controller alternates between low-power and tight-control modes based o

See how dynamic fan speed adjustment based on human presence reduces refrigeration noise while

See how iterative compressor and condenser selection with VFD fan control meets design capacity

See how dynamic compressor and fan speed adjustment based on discharge superheat feedback preve

See how a refrigeration cycle controller isolates abnormality sources by changing one element d

See how one variable frequency drive selectively switches two compressors between variable and

See how defrost timing uses inverter frequency and compressor run time to prevent overestimatio

See how adaptive fan power control reduces compressor and condenser size by managing refrigeran

See how dynamic condenser fan speed control and compressor coordination minimize total power co

See how an additional temperature sensor enables autonomous rotational speed adaptation in vari

See how dynamic fan speed control uses compressor load and ambient temperature feedback to bala

See how dynamic speed-range calculation protects variable-speed compressors from resonance and

See how threshold-based heat pump control adjusts power consumption to follow photovoltaic surp

See how discharge temperature mapping and smooth valve control eliminate pressure sensors in va

Dynamic heat pump power tracking follows surplus solar generation while limiting abrupt load changes and reverse power to support grid stability.

Calculates condenser pressure and temperature from evaporator signals, power, and speed data to prevent compressor overheat and floodback.

Staggered PWM on/off flow control balances underfloor heating loops automatically, cutting control complexity, installation time, and cost.

Dynamic V/f adjustment uses motor current and frequency to cut compressor heat, improve efficiency, and widen HVAC&R operating range.

A rotation sensor triggers higher motor torque to free ice- or debris-blocked AC fan blades, reducing shutdowns and service calls.

By splitting the refrigerant circuit into portions, this case enables accurate charge judgment with low calculation load on microcomputers.

Humidity-triggered switching from dehumidification to power-saving control cuts compressor runtime while keeping interior temperature within range.

Balances chiller, pump, and fan power by lift sensitivity to cut plant energy use while maintaining performance across varying conditions.

Small pumps and temperature-based control let each floor run heat-pump cooling only when needed, cutting pump energy waste.

Fan speeds shift with human presence and cabinet temperature to cut retail refrigeration noise without sacrificing cooling capacity or efficiency.

Using inverter power and speed feedback, the control module estimates evaporator and condenser states to prevent overheat, floodback, and energy loss.

Two-way control and temperature monitoring shift water heating to off-peak periods while preserving hot water availability and verifying load response.

Priority-based radiator flow adjustment balances room comfort with lower mixed return temperature to cut heating energy waste.

Fan-timed evaporator control collects refrigerant and uses residual cool air without pump-down, cutting power waste and liquid compression risk.

Variable-speed fan staging smooths cooling steps in air-cooled heat exchangers, improving refrigerant temperature control and efficiency.

A CVT lets a constant-speed motor vary compressor capacity without costly VSDs, improving large-tonnage chiller power management.

Temperature sensing lets the air conditioner detect insufficient refrigerant and automatically top up charge without full refrigerant removal.