Withdrawing Sample Devices TRIZ Cases

A filtration method concentrates microorganisms on a filter membrane using a disposable closed unit.

Spiral gas flow prevents powder retention in the inspection chamber, maintaining measurement precision.

A sampling cylinder uses a movable piston and isolated heat exchanger to collect liquefied natural gas samples in liquid state.

A sample collection box descends into seabed sediment using a vertical operation member.

A soil probe integrates sensors to extract consistent samples.

Secondary particulate detectors use optical scattering to identify air particles near sampling points, reducing detection time and pinpointing source locations.

A breathalyzer calculates reference values using user metabolism rate and alcohol consumption data to enable field calibration.

Laser-induced photoablation of ultrathin cyclic olefin copolymer films enables automated crystal extraction while eliminating background X-ray scattering.

A channel pump controller detects pressure differences in conduits to adjust pipetting periods and compensate for fluid backflow.

Passive autonomous components replace active pumps to resolve fabrication complexity trade-offs while creating integrated digital circuit capabilities.

Rapid chilled sampler eliminates mechanical grinding by producing oxide-free solidified steel strips via controlled phase transitions and inert gas purging.

A substrate with regions transparent to different radiation types enables simultaneous multi-technique material analysis.

Dynamic pipette chip suction minimizes bubble formation and prevents positional deviation during biochemical reactions.

A sampling device uses a flexible sealing film to enclose the element before piercing the container surface.

An electrokinetic device creates a potential well to precipitate charged aerosol particles onto a removable electrode surface.

A circumferential ring tubing with air nozzles directs targeted airflow to push scent particles and vapor toward a collection receptacle.

Selective zero gas introduction eliminates offset drift and ambient contamination to maintain measurement precision.

A sensor system maintains controlled temperature and humidity levels during gas sampling, preventing aroma chemical loss caused by desiccant interaction.

Frangible seals in a segmented cartridge release reagents to process blood samples, reducing contamination risks while maintaining manageable device complexity.

An illuminated mouthpiece resolves poor visibility positioning challenges by projecting colored operational status indicators through a glass fiber light guide.

An adjustable volume sampling system controls sample size by moving a dip tube within a sealed container, preventing contamination during retrieval.

A personal bioaerosol sampler uses a swab receiving element and cyclone to capture airborne particles for direct analysis.

Segmented crushing isolates ductile metals from other components to achieve uniform pulverization and accurate analysis samples.

A bypass flow path branches upstream and merges downstream of a filter to adjust separation flow rates for accurate particulate matter measurement.

A capacitive valve stores solid particles in a dedicated cavity to protect sealing surfaces from erosive contact.

A sampling tower with a flexible nozzle extracts aerosol streams from an enclosure to capture particles for analysis.

A vacuum system controller calculates dynamic pressure thresholds using real-time sensor data.

Piezoelectric actuator creates pressure gradient for high-speed gas flow, while protective films filter moisture and dust to prevent component damage.

Synchronized bidirectional pumps divide inhomogeneous samples into representative sub-samples while maintaining chemical composition stability.

A duct probe uses a compensation channel to stabilize partial flow rates via jet dynamics.

Capillary suction and siphonic action draw biological samples into a communicating space, preventing personnel contamination during inspection.