Volume Measurement Apparatus/Methods TRIZ Cases
- Check Valve Flow Detection via Integrated Optical Sensor
An integrated optical sensor detects check valve position changes to measure fluid flow rates.
- Aircraft Fuel Gauging Using Pressure Differentials
Vertical pressure sensor spacing calculates fuel levels without capacitive probes, eliminating electrical hazards and weight.
- Infusion Pump Flow Control with Variable Pressure and Resistance
Variable pressure and inline resistance control fluid flow, resolving sensitivity and power consumption trade-offs in infusion pumps.
- Cylindrical Multipass Cell for Compact IR Monitoring
A multipass cell assembly uses inwardly facing mirrors to extend optical path length within a compact cylindrical volume.
- Pump-Based Fluid Flow Meter for Wide Dynamic Range Accuracy
A pump displaces known fluid volumes per cycle to estimate total flow volume using sensor-triggered pumping sequences.
- Electromagnetic Slosh Detection in Propellant Tanks
Electromagnetic sensing replaces mechanical baffles to reduce sloshing force uncertainty, enabling lighter counteracting components for spacecraft guidance.
- Magnetoinductive Flowmeter Low Conductivity Signal
A magnetoinductive flowmeter uses segmented feedback plates and high-frequency magnetic fields to induce measurable voltage signals in low conductivity media.
- Volume Gauge Using Pressure Sensing for HTS Accuracy
A volume gauge uses pressure sensing to measure substance levels in containers without physical contact.
- Fuel Volume Measurement Using Hydrostatic Pressure Sensors
Hydrostatic pressure sensors measure fuel depth to calculate volume, replacing complex mechanical floats that cause installation difficulties and high costs.
- Piston Pump Leakage Compensation via Hall Sensor Feedback
Hall sensors measure piston position to calculate leakage correction factors, ensuring accurate adhesive delivery despite seal wear.
- Gas Cushion Microfluidic Flow Measurement
Enclosed gas compression allows accurate volume flow rate determination without direct sensor contact, eliminating pump pulsation and fouling risks.
- Nebulizer Aerosol Detection via Light Attenuation
An optical sensor monitors aerosol generation to stop vibration when liquid depletes, preventing module damage from dry running.
- Container Fill Level Monitoring via Gas Pressure Sensing
A container uses an internal pressure sensor to detect gas pressure changes during material removal for decentralized fill level determination.
- Ultrasonic Sensor for Liquid Level Detection
An automated sensor measures liquid levels using ultrasonic time-of-flight, replacing manual inventory checks.
- External Pressure Sensors for Aircraft Fuel Measurement
A fuel measurement device uses external pressure sensors to calculate liquid quantity without internal components.
- Work Machine Implement Vertical Position Control
A work machine control system determines implement vertical position using integrated force and position sensors.
- Fuel Tank Level Detection via Pneumatic Pressure Timing
A pneumatic system determines fuel tank filling levels by measuring the time required for an air pump to reach a pressure threshold.
- Liquid Analysis Monitor Using Weight Variation Detection
A liquid analysis monitor measures container weight variations to determine fluid consumption and verify correct usage.
- Pulse Radar Fill Level Measurement with Frequency-Varying Antenna
A pulse radar fill level measuring device transmits microwave pulses at varying center frequencies to distinguish material surface reflections from lateral interferers.
- Capacitance-Based Microfluidic Flow Monitoring
Integrated electrodes measure capacitance changes to detect air bubbles and clogging, ensuring reliable point-of-care diagnostics.
- Liquid Chromatography Dwell Volume Determination via Pressure Trace
A liquid chromatography system determines dwell volume by measuring pressure traces during solvent gradient formation.