Level Control TRIZ Cases

Hydrostatic pressure sensing through an airtight tube enables continuous tub water level detection across materials while supporting overflow and temperature control.

A liquid-filled annular channel and immersed lip seal nacelle-tower gaps airtight while allowing yaw movement and easier maintenance.

Modular pump, UV filtration, and water recirculation keep pet drinking water clean while making the dispenser easier to clean and maintain.

A vertical member and rolling member let one gauge show both inclination angle and direction at the same time for faster leveling.

An ISO container frame, low-pressure nozzles, and telescoping legs cut tower height and pump power while enabling dense stacked placement.

Liquid shifts between rover tanks based on radiation direction, concentrating shielding where needed while cutting overall mass.

Variable steam and coordinated level control keep reclaimer temperature stable, improving amine recovery while limiting thermal degradation.

Feed-forward and PID valve control uses inlet pressure and flow sensing to stabilize filling, cut waste, and improve package weight accuracy.

Sensors and a CAN-linked ECU send grain loss, fuel use, and productivity data to the cloud for real-time harvest transparency.

Selective shutter opening supplies water only to planted shelf seats, keeping empty areas dry and reducing mold, algae, and contamination.

Flow sensors verify actual tank discharge before blowdown and dosing, preventing valve-related errors and unstable cooling-water chemistry.

A staged anode purge strategy separates water drainage from gas venting to protect stack performance while limiting fuel loss and valve wear.

Electrical resistance sensing detects immersion fluid depletion during sample movement and triggers replenishment to avoid imaging delays.

Virtual pressure estimation lets a filling valve handle flow and pressure disturbances without a pressure sensor, improving package fill stability.

Automatic sensor-driven pump or valve control keeps wet test meter packing fluid at the required level to preserve gas flow accuracy.

By comparing live and reference valve curves, the control unit distinguishes filling-point faults from process errors without external test equipment.

A self-cleaning spray wand uses reverse rinsing and UV disinfection to reduce manual cleaning in toilet seat assemblies.

Measured water volume is used to adjust valve timing or flow rate, keeping building water control devices effective despite pressure changes, leaks, or blockages.

Ultrasonic level sensing and a solenoid ball valve enable continuous rainfall measurement without manual emptying in automated weather stations.

Historical flow-rate data corrects noisy real-time measurements, improving filled-volume accuracy under fluctuating or particle-rich flow.

A float-based level sensor and control unit detect maximum tank fill and trigger alerts or valve action to prevent spills and overpressure.

Distributed sewer and environmental sensors capture overflow start, stop, volume, rain effects, and debris trends for remote CSO monitoring.

Separating liquid and vapor in a fertilizer vessel lets controlled venting keep outlet flow liquid-only, reducing misapplication and strainer maintenance.

Radiant energy triggers an exothermic coating to sinter powder layers faster and more precisely, avoiding slow linear binder curing.

Automated level sensing, flow measurement, and valve control keep frac tanks supplied while reducing overflows, labor, and human error.

Multiple ground rods replace a coaxial tube to limit build-up and improve guided wave radar interface measurement in viscous fluids.

Tempered spa water is diverted to irrigation while fresh refill maintains water quality, reducing harsh sanitizer use and water waste.

Bed position and nutrient level sensing adjust solution supply to prevent overflow and keep light and feeding conditions consistent.

Real-time tank level checks authorize waste oil pumping only when capacity is available, preventing overflow and missed transfers.

Periodic setpoint adjustment tracks the lowest tank level to balance hot or chilled water availability against heat loss and excess storage.

Porous screens, sump level sensing, and pump-speed feedback separate gas from froth to keep fluid supply stable and level readings accurate.

A two-step water-out check adapts to therapy mode and flow rate to reduce false humidifier alarms without missing low water conditions.

Water weight tips a hinged bucket and extension arm to divert runoff automatically, avoiding manual repositioning and ground obstruction.

A sensor-equipped fluid container syncs intake data wirelessly and triggers LED, voice, or vibration reminders to improve hydration adherence.

Gulp compensation logic corrects raw APU oil sensor readings across startup, running, and shutdown to maintain stable oil quantity indication.

A lathe-friendly symmetrical base body and separate electronics cut oil regulator manufacturing cost, material loss, and assembly complexity.

A float valve and sieve keep trough water at a set level while blocking feed and saliva contamination and improving drinker portability.

Artificial time-delay control with IMC feedback stabilizes conical tank liquid levels under disturbances without needing disturbance bounds.

A second pressure sensor and periodic decay checks let a mass flow controller correct flow errors when downstream pressure rises too high.

Multi-point sewer sensors track overflow start, stop, duration, and volume in real time while accounting for rain and debris.

UWB anchors track a floating RF tag to measure fluid level with centimeter-level accuracy while avoiding clogging and mechanical failure.

Direction-dependent response curves compensate rising and falling actuator hysteresis paths to keep output behavior consistent and predictable.

A cap-integrated radial electrode sensor measures immersion medium around the objective exit to keep the beam path air-free and imaging stable.

A floating siphon intake keeps constant depth and vacuum to drain batch reactors at low fluid levels while reducing clogging, energy use, and downstream contamination.

Redundant controllers and water level sensors keep sump pumps operating, detect faulty sensors, and improve remote monitoring against water damage.

A flexible planar T-resonator tracks resonance shifts to detect small fluid level changes and compensate for container tilt.

Fluid-level sensing and wireless pump control enable faster sewer maintenance response while reducing overflow and leakage risk.

An airtight tube and pressure sensor enable continuous bathtub water level detection across materials while resisting obstructions, temperature shifts, and water hammer.

A float valve uses container liquid level and a return line to regulate flow automatically without electricity or manual adjustment.

Real-time tank level feedback lets the controller authorize waste oil transfers only when capacity is available, preventing incomplete fills and overflow.