Withdrawing Sample Devices TRIZ Cases

Flow interruption traps sampled air for signal averaging, reducing random errors from continuous airflow and forced exhalation.

A telescopic handle with an articulating joint allows users to collect water samples from a standing position, eliminating bending risks.

A trapezoidal protrusion and cavity design ensures secure mating between portable sampling devices and analytical instruments.

Acetone re-dissolves precipitated sample residue to eliminate uneven distribution and improve evaluation reproducibility.

A wet gas sampling probe uses a capillary slot to capture linear fluid samples, maintaining compositional integrity for accurate BTU analysis.

Autonomous robotic system analyzes soil nutrients via AI-driven zone mapping, reducing time loss while improving spatial precision.

A battery-powered personal air sampler uses a closed loop control circuit to adjust pump power for stable airflow.

A variable volume capture device uses a linear actuator to control fluid displacement within a syringe barrel.

Automated filtration system separates solids from slurry to deliver liquid samples for precise instrumental analysis.

Integrated suction housing absorbs bioaerosols directly onto sample plates, eliminating manual concentration steps.

Adjustable sleeve and plug set accommodate varying core diameters for secure mechanical engagement.

A radio frequency gas sensor transmits microwave signals into gaseous samples to determine molecular makeup and concentration levels.

Motorized lead screws in a portal frame maintain piston rod coaxiality, preventing jamming during simultaneous multi-channel liquid suction and injection.

A movable plunger adjusts the optical path length within an analysis cell to measure liquid samples.

Concentric electrodes create a divergent electric field to direct dielectric samples, resolving transfer reliability issues in laser microdissection.

A soil sampling apparatus uses a vertically oriented chain bar to mix and macerate extracted cores into uniform shavings for collection.

Oblique laser scan sequencing against gas flow equalizes scribe line quality, reducing kerf width variability for higher circuit density.

Labyrinth baffle structure separates liquid oil particles from aerosol flow using centrifugal forces and gravity drainage paths.

Disposable capillary tubes replace expensive cuvettes to reduce sample volume and cleaning costs while maintaining measurement precision.

Oscillating nozzle prevents material hang-up and resolves centrifugal disruption errors during high-speed sample distribution.

A histological cooling plate incorporates a phase change material chamber to maintain specimen temperatures.

Segmented pipelines transport test liquids independently to the testing assembly, preventing cross-contamination from residual samples.

Variable flow path depth controls capillary resistance against centrifugal force, enabling reliable biological sample transfer without complex width variations.

A digital holographic imaging system captures interference patterns from airborne particles on a reusable substrate for automated analysis.

Replacing mechanical pumps with air pressure eliminates physical stress on large multi-cellular organisms during real-time fluorescence measurement.

Sampling bags featuring agile walls and shape memory components return to their initial configuration without external power sources.

Dual-chamber design enables on-site moisture testing without depressurizing the unit, preventing propellant leakage and reducing powder waste.

A personal nanoparticle sampler uses a cyclone pre-classifier and nozzle to collect nanoparticles at low flowrates.

A sampling apparatus extracts rock material directly from a drilling dust removal pipe using suction and cyclone separation mechanisms.

Segmented channels in the probe divert contaminants away from the sampling path, resolving extraction purity trade-offs.

Segmented resin samplers and self-service sensors track contaminants in soil without complex equipment, reducing monitoring energy use.

A mobile detection apparatus integrates air collection and nucleic acid analysis for autonomous pathogen monitoring.

Contact-triggered vibration enables high-precision manual powder metering, resolving the trade-off between dosing speed and measurement accuracy.

A handheld instrument with a telescopic guide and drill needle assesses wood conditions through axial penetration resistance.

Grab sample collection trains capture exhaust gas across pressure ranges to characterize air emissions during pig receiver depressurization.

A bio sample collection device integrates a detachable cap with an internal liquid storage unit that breaks upon assembly to mix processing fluid.

Water circulation maintains hydrostatic pressure while a PVC sleeve protects weak planes, preserving fracture networks for accurate mechanical testing.

Advanceable test strip navigates uni-directional seals to prevent contamination risks during on-site biological specimen analysis.

A fenestrated sample chamber compresses fatty tissue to yield lymph nodes for histopathological evaluation.

Low-permeation seals on optical windows prevent water condensation, eliminating vacuum pumps and reducing cryostat size.

A nozzle liquid storage portion retains excess fluid within the dispensing structure.

Shielded covers on the reaction container prevent aerosol scattering and cross-contamination while segmented removal stages ensure complete chemical clearance.

A crude oil sampling device uses a double actuation syringe to feed samples into a spectroscopic measurement cell for online property analysis.

An inclined guide rail converts vertical sample boat motion into horizontal cover movement, eliminating dedicated drive mechanisms.

An automated flow regulation device uses a real-time meter and three-way valve to achieve precise pre-set volumes, eliminating manual calibration errors.

Integrated pressure and temperature sensors determine liquid characteristics within the original container, eliminating external sample preparation steps.

Thick acrylic adhesive films maintain optical flatness to resolve capture efficiency versus shelf life trade-offs.