External Parameter TRIZ Cases

Controller computes downhole dynamometer cards using Fourier Series and Finite Difference methods.

A compressor regulation method correlates mutual temperature dependence between adjacent components to determine precise switch-on and switch-off thresholds.

A control system monitors power capacity and pump usage to prevent blackouts.

Electronic application executes downlink sequences and verifies compliance by comparing target output values against measured mud pump data.

Replacing pneumatic circuits with an electric inlet valve eliminates water freezing issues and reduces idle fuel consumption.

A compressor control system adjusts switch-on duration based on operating temperature to estimate remaining service life.

A control circuit initiates compressor operation at low rotational frequency before switching to variable frequencies based on pressure sensor feedback.

A variable stroke piston pump uses a movable cam to adjust displacement volume.

A pump controller locks maximum and minimum flow rates to maintain programmed settings during operation.

Discrete logic control circuit manages submersible pump activation to prevent overflow and reduce wear without microprocessor software reliability issues.

Sealed chamber housing electronic components protects sensors from wellbore pressure and temperature extremes.

A compressor maintenance system tracks run hours using vibration and electrical impulse sensors to generate timely service alerts.

Novelty scoring thresholds flag progressing cavity pump anomalies, reducing downtime and safety risks from unattended remote operations.

Optical sensor detects fluid in peristaltic pump reservoir, triggering valve to prevent accumulation.

A pressure regulating device uses a suction pump to maintain negative pressure in semiconductor production pipes.

A fuel pump data evaluation system updates performance metrics to detect alarm conditions based on predefined thresholds.

A dual-mode computational model calculates actual gas flow rates and optimal unloader settings for reciprocating compressors.

A capacitor-based backup power system sustains remote telemetry units during outages.

A multi-pump sump system uses an energy reservoir to convert high voltage AC power into low voltage DC for emergency operation.

A current value determination device calculates capacitor current using inverter input voltage and motor revolution speed to maintain safe operating limits.

Modular monitoring of hydraulic, power, and gearbox assemblies enables on-demand maintenance for plunger pumps.

A compressor switches between high and low volume modes during compression strokes to simulate higher power output.

A compressor valve health monitor uses high-frequency stress wave analysis to detect individual valve leakage.

An integrated polished rod sensor detects absolute rotation via magnetic field sensing, resolving installation complexity from external sensors.

A method evaluates virtual rearrangements of pressurized fluid piping networks to calculate potential financial savings from optimized pressure management.

A pump driving method evaluates operational state using pressure detection and atmospheric equalization.

Segmented pump assemblies measure current draw to adjust operating speeds, resolving delays in single-drive systems that cause inconsistent adhesive dispensing.

Integrated path and torque sensors enable closed-loop control that reduces pulsation and improves dosing accuracy in coating agent pumps.

Segmented mounting bracket enables quick installation of the compressor in cramped spaces.

An automatic air replenishing pump maintains constant pressure in inflatable devices by activating based on time thresholds.

A compressor calculation unit adjusts maintenance timing by weighting temperature data against fluid pressure and operating rate.

A variable displacement reciprocating piston unit generates stroke speed and length signals using a sensor probe and target to measure movement timestamps.

Swirling airflow generated by a nozzle and air deflector cleans the inner casing during ejection cycles, eliminating contaminant buildup.

Monitoring static head pressure enables dynamic lift cycle initiation that maximizes fluid unloading rates while maintaining manageable control complexity.

A closed-loop control system manages wireline speed and pump rate to position downhole tools accurately.

Variable deactivation thresholds adapt to atmospheric pressure, preventing continuous pump operation at high altitude and reducing energy consumption.

A servo-driven gerotor pump regulates hydraulic pressure through electronic speed control.

Acoustic alarm replaces mechanical safety valve to alert users of overpressure conditions, preventing damage from overinflation and overheating.

Hydraulic pressure control device detects circuit abnormalities using motor current variations and speed command values.

A pressurized piping network adjusts inlet pressure based on measured outlet overpressures to minimize energy costs.

An intermediary duct transmits pressure variations from the nozzle to a sensor, enabling reliable detection at low flow rates.

Direct downhole measurement of acceleration and load replaces inaccurate surface wave equation models to resolve precision errors in highly-deviated wells.

A paint sprayer features a moveable door on the end bell that allows direct access to the pump assembly for maintenance.

Electronic controller anticipates high-G maneuvers by pre-pressurizing the fuel line, preventing vaporization and ensuring continuous engine supply.

A control system calculates a function of motor electrical current and speed to detect dry-state operation in liquid ring pumps.

An auxiliary dry chamber collects leaked fluid from the pumping section, enabling reliable infrared detection while preventing lubricant drainage.

Asymmetric retainer tabs guide tubing insertion into elongated pump channels, preventing incorrect installation and operational failures.

A controller generates a current signal to adjust compressor displacement based on speed and ambient temperature.

Segmented base structures with projecting portions isolate MEMS sensors from noise, improving degradation diagnosis accuracy.