Specific Gravity By Measuring Pressure Differences TRIZ Cases
- Methods and systems for determining phase state or subcooling state
See how pressure differential measurement across a metering device determines refrigerant phase
- Gas Density Relay Calibration Without Disassembly or SF6 Leakage
Temperature-based calibration triggers relay contact action and computes gas density without disassembly, extra valves, or SF6 leakage.
- Gas Density Relay Self-Calibration for SF6 Contact Signal Accuracy
Automated pressure regulation and contact sampling enable remote SF6 gas density relay calibration without risky on-site maintenance.
- Gas Density Relay Self-Calibration Using Temperature Compensation
Temperature-driven self-calibration lets a gas density relay verify contact action online, reducing manual checks and power operation disruption.
- Hydrogen Reservoir Sensor Cross-Check via Gas Density Comparison
Gas density during filling and supply is compared to detect abnormal pressure sensors in a fuel cell hydrogen reservoir more reliably.
- Gas Density Relay Online Calibration Using Isolated Pressure Control
Valve isolation and pressure regulation let gas density relays be calibrated online without shutdowns, improving grid equipment reliability.
- Gas Density Relay Self-Checking for Remote Contact Verification
Integrated pressure, temperature, and force sensing enables remote gas density relay self-checks without on-site SF6 handling.
- Gas Density Relay Self-Checking for Remote SF6 Contact Verification
Automated pressure and contact-signal checking verifies SF6 gas density relay action values without on-site high-voltage maintenance.
- Gas Density Monitor Using Low-GWP Reference Gas and Spring Compensation
A low-GWP reference gas and spring-balanced partition wall maintain accurate gas density monitoring without relying on SF6.
- Gas Density Relay Online Self-Check via Temperature Compensation
Temperature-driven contact testing lets a gas density relay verify switching values online, reducing manual checks in high-voltage equipment.
- Gas Density Relay Online Self-Check for SF6 Pressure Signal Verification
Pressure regulation and contact signal sampling let SF6 gas density relays verify alarm and blocking thresholds online without manual checks.
- Gas Density Relay Sealed Cabin for Anti-Vibration Accuracy
A sealed display cabin with anti-vibration oil or gas improves gas density relay accuracy while preventing leakage under vibration.
- Gas Density Relay Online Verification for SF6 Switchgear
Remote pressure regulation and contact sampling verify SF6 gas density relays online without site visits, reducing O&M cost and outage risk.
- Temperature-Driven Gas Density Relay Checking Without Disassembly
By heating and cooling the relay’s temperature compensation element, contact action can be checked without added valves, disassembly, or gas leakage.
- Electrode Ink Aggregate Detection for Pre-Coating Quality Control
Hydrostatic pressure changes reveal primary and secondary aggregates in electrode ink, enabling pre-coating quality checks and fewer coating defects.
- Gas Density Monitor Sealing for Anti-Vibration Accuracy
A sealed oil- or gas-filled display compartment dampens vibration, prevents leakage, and keeps gas density monitoring accurate in harsh conditions.
- Integrated Climate Module for Precise Formula Dosing
Real-time pressure, humidity, and temperature sensing lets the dosing scale adjust mixing ratios and maintain recipe accuracy.
- Removable Climate Module for Air-Buoyancy-Corrected Mass Comparison
Integrated pressure, humidity, and temperature sensing enables direct air buoyancy correction for more accurate mass comparison with less calibration effort.
- Precision Balance Climate Module for In-Scale Uncertainty Detection
Integrated pressure, humidity, and temperature sensing lets the balance calculate weighing uncertainty directly and avoid external PC entry errors.
- Removable Climate Module for Precision Scale Buoyancy Correction
Built-in pressure, humidity, and temperature sensing enables automatic air-density correction in precision scales without external sensors.
- Pipette Calibration Balance With Real-Time Evaporation Correction
Real-time pressure, humidity, and temperature sensing lets a pipette calibration balance correct evaporation losses and improve small-volume accuracy.
- Subsoil Sensor Prediction of Soil Density and Crop Yield
Acoustic subsoil sensing and machine learning predict soil density and crop yield, enabling robot-led maintenance to prevent congestion.
- Pressure Flow Controller Gas Concentration Detection by Pressure Drop
Pressure-drop sensing after valve closure lets a pressure flow controller detect mixed-gas concentration without a separate analyzer.
- Bypass MEMS Density Verification for In-Process Viscosity Meters
A bypass MEMS master meter verifies density and viscosity readings during live process flow, avoiding waste, special equipment, and manual checks.
- U-Bend Differential Pressure Metering for Multiphase Flow
Multiple differential pressure readings across a pipe and U-bend estimate multiphase density and phase flow rates without radioactive sources.
- Fuel Densimeter Using Differential Pressure for Mass Flow Control
Differential pressure and volumetric flow through an orifice are used to calculate fuel density and keep gas turbine mass flow accurate.
- U-Bend Flowmeter With Differential Pressure Sensing for Multiphase Rheology
Multiple differential pressure sensors in a U-bend calculate density, flow rate, viscosity, and rheology without manual sampling.
- Centrifugal Pump Fuel Density Measurement via Pressure Differential
A centrifugal pump calculates aircraft fuel density using rotational frequency and differential pressure measurements between radial points.
- Integrated Beverage Analyzer Using Miniature Pressure Cell
A compact measuring apparatus combines density, speed of sound, and temperature sensors within a single housing for simultaneous beverage analysis.
- Vibronic Density Meter Compressibility Measurement
Dual pressure measurements via a throttle element enable accurate compressibility calculation for gas-laden fluids.