Temperature Control Without Auxillary Power TRIZ Cases

See how a temperature-sensitive valve diverts cooled water to alternative uses, reducing hot wa

See how integrated detection means lock fixing movement until correct valve position is reached

See how dynamic setpoint reduction during excess demand cycles prevents tank overheating, limit

See how a multistage thermal valve adjusts recirculation flow at normal and elevated temperatur

See how a thermostatic detection surface exposed to outside air controls coolant flow to improv

See how multiple humidity sensors with user-selectable priority improve HVAC response time to i

See how a motor controller calculates air volume from torque and rotational speed to maintain c

See how PWM-controlled electronic thermostat heating adjusts coolant temperature by driving con

See how a liquid metal actuator enables precise thermal switching with 600:1 rangeability by co

See how geo-fencing with probability-based arrival prediction enables HVAC systems to balance c

See how a temperature sensing flow control valve adjusts chilled water flow based on air temper

See how an adjustable bed gathers heart rate, breathing, and temperature signals to automate he

See how an open-basin thermal system with integrated volume measurement and user interface trac

See how a thermostatic valve maintains 1-10 L/h residual flow in closed state to prevent contro

See how a single aggregate current sensor with frequency-domain analysis replaces multiple disc

Manual temperature changes are learned as recurring patterns, enabling automatic setpoint scheduling without time or date programming.

A coaxial second valve core adds one-way refrigerant flow control without extra machining, reducing leakage risk and simplifying assembly.

A one-piece cylindrical valve and coaxial chamber layout cut wear, leakage, and manufacturing cost in gas cooking thermostats.

A preloaded counterforce cuts the motor force needed to move the radiator valve, extending battery life and enabling low-maintenance operation.

By running only the first pump during anti-freezing, this circulation layout cuts power use and avoids a switching valve.

Multiple tanks, mixing valves, and time-based setpoints help meet peak hot water demand while limiting standby heat loss and energy use.

A rotating insert and presetting element let the valve reverse flow direction while keeping the maximum flow setting unchanged.

A shield member plus porous mixing and inner-wall grooves break stratified refrigerant flow to suppress pulsation noise at low flow rates.

A one-way slip-clutch coupling secures valve actuator mounting while allowing rotational adjustment and tool-free demounting.

A mechanically linked valve reroutes hot water through both shower inlets for thermal disinfection without chemical damage or complex electronic controls.

A trigger-based duplex link lets an HVAC controller offload voice recognition to a remote server for hands-free, eyes-free building control.

Adjusting outside-air intake with a recirculation passage cuts filter clogging, extends filter life, and reduces server downtime.

Physiological and environmental sensing automates bed heating and wake-up timing to improve sleep comfort and reduce grogginess.

A thermal mass on the mixed water conduit delays sensor response to temperature spikes, preventing nuisance trips and preserving hot water supply.

A nested fine adjustment mechanism improves thermostatic temperature precision while preserving overtravel spring behavior and cartridge compactness.

Dual-stage backup cuts RF power use first, then switches to bimetallic heating to keep homes above freezing during outages.

A separate restriction element and bypass port maintain cooling pressure and continuous oil flow, reducing gear drive wear during temperature swings.

Maintaining heater output after preheat preserves radiant heat for short-bake foods, improving cooking uniformity and reducing cook time.

Direct sensing-element contact and an internal spring shrink thermostatic valve head length while preserving reliable operation and set-point monitoring.

A modified outdoor temperature lets building heating control work with thermostatic valves while cutting energy use and installation complexity.

A plastic valve top with snap connection cuts machining and assembly effort while keeping heat exchanger valve alignment stable under temperature changes.

A dynamic unit keeps valve pressure drop constant in either flow direction, preventing water hammer and simplifying heat exchanger valve installation.

A vortex tube and self-actuated flow valve route hot or cold air to keep process field device housings operable in extreme temperatures.

Nested inner and outer tanks with level-sensor valve control balance liquid levels during cyclic cooling while saving space and cost.

Far-infrared surface materials regulate indoor heating and cooling through thermal radiation, reducing airflow discomfort and energy loss.

Pressurized refrigerant jetting into the evaporator improves flow diffusibility and uniformity, raising air conditioning temperature control efficiency.

A deformed conical insert fixes into a refrigerant passage without press-fitting or screws, cutting debris, noise, and pressure fluctuation.

Electronic authentication and local server control secure wireless HVAC access while supporting accurate multi-zone temperature sensing.

Predefined occupied, asleep, and unoccupied states let the thermostat automate set-points across time periods, reducing programming effort and energy use.

A built-in check valve opens a bypass during reverse refrigerant flow, cutting pressure loss while preserving accurate normal-flow control.

Circulating fluid through semiconductor equipment and a natural heat carrier equalizes temperature while storing recovered waste heat for later release.

Integrated heating, wireless charging, and sensors let a dishwasher-safe mug hold liquids at a user-set temperature beyond the charging base.

An arcuate terminal block with equidistant, spring-secured terminals reduces wire bunching and allows closer wall mounting.

Predicted and actual indoor temperature changes are compared to verify HVAC shutdown during peak demand without extra hardware or hard cycling.