Shielding Gas Supply/Evacuation Devices TRIZ Cases

See how a wearable fume inlet on a welding glove follows the welder's movements to improve extr

See how independently controlled positive pressure manifolds around a negative pressure conduit

See how a segmented ventilation nozzle with beveled tabs and adjustable length removes welding

See how attaching fume inlets to welding gloves or jackets improves collection efficiency by mo

See how a segmented ventilation nozzle with beveled tabs and flexible conduit improves smoke re

See how a baffle separates debris from the filter element to prevent blower re-uptake, extendin

See how a downdraft table combines suction and positive-pressure air curtains to entrain and ca

See how a downdraft table combines negative-pressure suction with positive-pressure air curtain

Segmented positive-pressure manifolds around a suction conduit expand the fume capture zone and adapt extraction to confined workspaces.

See how segmented positive pressure manifolds around a negative pressure conduit expand capture

See how a flow control unit reduces relative humidity in welding wire cartridges by pressure di

See how combining positive pressure airflow with suction in a nested hood extends fume extracti

See how a hood design combines positive and negative pressure air streams to expand fume extrac

Air passage channels at the hood edge draw secondary airflow inward, reducing turbulence and extending particle detection without higher air output.

See how pressure-relief dehumidification in a welding wire cartridge reduces moisture using com

See how concentric positive and negative pressure conduits in a rotating arm expand fume extrac

See how a segmented ventilation nozzle with beveled geometry and adjustable coupling removes we

See how a single-blower extractor splits airflow into positive and negative pressure streams to

See how combining positive and negative airflow with adjustable flow rates extends fume capture

See how a baffle separates debris from the filter element using gravity, preventing blower re-u

Positive-pressure air paired with suction extends fume capture distance and volume while reducing head loss and power demand.

Combined positive and negative airflow with an annular hood expands fume and smoke capture distance and coverage in metalworking areas.

A push-pull airflow layout with fewer flow-path bends expands fume capture range while lowering head requirements and power use.

Combining positive and negative airflow in an annular hood extends fume and smoke capture distance and volume without relying on suction alone.

Combined positive and negative airflow with fewer flow-path bends extends fume capture distance and volume while lowering head and power demand.

Spring-loaded contacts and bearings let the torch rotate under welding current, reducing cable torque, wear, and unicable failure.

A built-in rotating connector lets the torch power pin turn at the wire feeder, reducing cable twist, liner wear, and replacement downtime.

A built-in rotating connector lets the torch power pin turn at the wire feeder, reducing cable twist, liner wear, and replacement downtime.

An RPC with multiple current paths and infinite rotation maintains conductivity, reduces power loss, and simplifies torch maintenance.

A rotary power connector lets the welding gun handle rotate relative to the cable, easing wrist strain and reducing heat transfer during use.

Spring-loaded contact rings and needle bearings keep high-current torch power connected while relieving cable twist and wear.

A built-in phase-reversing switch lets a portable three-phase fume extractor correct blower rotation without rewiring or technician support.

Reversing torch gas flow removes metal dust from the weld zone, cutting protective gas use and reducing fire risk in chamber welding.

Closing a proportional valve before the solenoid valve equalizes flow-path pressure and prevents gas surges in welding operations.

Optical coupling lets an external oxygen sensor read shielding gas in the welding chamber without heat damage or suction delay.

A modular torch attachment places suction near the welding arc to capture fumes at the source without requiring a dedicated integrated system.

A coaxial extraction and shielding gas nozzle removes welding fumes through the torch body, avoiding bypass hoses and preserving torch interchangeability.

Coordinated closure of a proportional valve and solenoid valve equalizes welding gas pressure to ambient, preventing surge on the next cycle.

A multiway valve near the plasma torch speeds gas transitions and vents excess gas upstream to reduce pressure decay and electrode wear.

Inflatable seals, extendable arms, and inert gas control let a robotic crawler create low-oxygen pipe weld zones with real-time monitoring.

Real-time pressure and flow sensing helps welders switch gas supplies, track remaining fluid, and avoid interruptions from depletion.

Electrically controlled proportional valves mix fluids inside welding equipment, replacing manual adjustment and external mixers for stable ratios.

Inflatable bladders and multi-point diffusers seal pipe sections, cutting purge gas mixing, purge time, and gas use during welding.

Flexible tubes and retainers keep extraction close to the welding torch while preserving robotic arm rotation and compatibility.

Flexible tubes retained near the welding torch capture fumes at the source without restricting robotic arm movement or requiring torch modification.

Multi-axis GTAW with wire feed and cloud monitoring keeps flexible hoses aligned for precise, consistent welds despite curvature and movement.

A larger fume channel placed forward of the grip cuts flow resistance and improves extraction without making the welding torch handle bulkier.

A forward fume channel enlarges flow area inside the torch handle, cutting resistance while preserving grip comfort and extraction performance.

A detachable suction nozzle improves welding fume removal while simplifying consumable replacement and lowering extraction power demand.

Sensor-guided extraction adjusts fume flow to torch position, improving weld quality, saving energy, and preserving shielding gas coverage.

A diffusion plate with multiple openings and a hose enables compact welding fume capture with lower noise and flexible placement.

A split-shell purge chamber uses diffusers and laminar inert gas flow to isolate titanium and zirconium welds while cutting gas waste.

A self-centering pipe sealing assembly uses slots, an annular ring, and urging force to prevent seal misalignment and ease insertion.

Remote pressure and flow monitoring lets welding operators switch gas supplies, adjust flow, and avoid downtime from tank checks.

A sealed, flexible rotating torch connection prevents electrical contamination, reduces breakage, and improves fume extraction hose placement.

Dual shield-gas channels and water cooling protect the TIG electrode while improving weld penetration and access in confined weld areas.

Annular screens in the torch turn shielding gas into laminar flow, cutting turbulence, porosity, and gas use in welding and metal AM.

Cooling the shielding gas and conductive nozzle suppresses ionization and arc bypassing in ultra-narrow gap welding, improving joint fusion.

Recirculated process gas in a flexible WAAM enclosure improves heat exchange, shortens layer waiting time, and keeps weld seams free of soot.

A direct shielding gas channel shortens flow paths, enabling soot protection and effective MIG welding in tight flange spaces.

A remote gas-sampling layout lets one oxygen sensor check purge and shielding gas before welding, improving handling and weld reliability.

Coordinated closure of a proportional valve and solenoid valve equalizes pressure and prevents gas surges in welding flow paths.

A two-stage locking tip and nozzle assembly enables tool-free contact tip changes while maintaining secure retention and reducing welding downtime.

A modified TIG collet replaces separate collet bodies and gas lenses to maintain shielding gas flow with fewer parts and easier assembly.

Two electrically isolated contact tips preheat the electrode wire before welding, improving arc initiation, stability, and weld quality.

A modular attachment adds near-nozzle fume capture to standard welding torches, improving extraction efficiency with existing vacuum systems.

Sensors track torch position and orientation to adjust suction in real time, removing fumes without stripping shielding gas and causing porosity.

Electrical contact with a table-mounted conduction block pinpoints the wire tip quickly, improving additive deposition and follow-up cutting accuracy.

By embedding power, gas, and coolant lines into one torch assembly, this case cuts part count, assembly steps, and manufacturing complexity.

Axial-force locking and nozzle coupling enable tool-free contact tip replacement while maintaining secure mechanical and electrical retention.

Remote oxygen data transmission, audible alarms, and off-device logging let weld-zone purging continue without missed alerts or lost records.

Routing process compressed air past power conversion circuitry removes heat in welding systems without adding separate cooling hardware.

A bladder-sealed multi-stage diffuser purges welded pipes faster with less gas while maintaining a stable low-oxygen atmosphere.

Shielding gas is routed across the welding torch contact tip to remove heat, reduce wear, and extend tip life without added cooling hardware.

Sector-controlled nozzle channels adapt shielding gas flow to weld path geometry, cutting gas use while protecting oxidation-sensitive weld areas.

Automatic inert-gas purging and valve control cut stud welding wait time and gas use while improving connection consistency.

Travel-speed-based parameter setting helps welders keep acceptable speed ranges and maintain consistent weld quality on thin materials.

Radially and axially offset shielding-gas and extraction channels capture welding fumes near the arc while preserving torch handling.

Flattened, bent gas channels and a distributor chamber improve shielding-gas uniformity in welding while reducing interfering flow contours.

Directed shielding gas cools the welding torch contact tip through diffuser channels, reducing heat wear and extending tip life.

A monolithic strip gas nozzle with a replaceable cover simplifies welding adaptation, improves stability, and lowers manufacturing cost.

Radio signals travel through the welding gas line to link system components reliably without extra cables, reducing bulk and interference.