Shielding Gas Supply/Evacuation Devices TRIZ Cases

An annular gas path and dispersing member spread shielding gas evenly around the torch to protect titanium welds across wider welding directions.

Routing process compressed air through welding components removes heat from power circuitry, cutting weight, cost, and thermal stress.

Controlled oxidation of ejected metal drops creates support structures that separate easily from 3D printed parts without machining.

Arc oscillation stirs the aluminum weld pool to improve liquid metal flow, refine microstructure, and suppress hot crack formation.

Variable channel sizing in a protective gas bell evens shielding flow around the stud weld, limiting oxidation and improving weld quality.

A constricted nozzle and conductive electrode nozzle stabilize arc length, prevent short circuits, and improve TIG spot welding on copper and aluminum.

Cryogenic shielding in wire arc additive manufacturing limits nozzle spatter buildup while rapidly cooling the weld pool and printed parts.

An external optical oxygen sensor reads the shielding gas chamber directly, avoiding heat damage and suction-related measurement delay.

Wireless sensors, IoT links, and real-time analytics improve welding control, operator safety, and process efficiency.

A path-switching ejector alternates suction and compressed-gas blowout to collect welding fumes and dust while simplifying cleaning and maintenance.

A suction nozzle removes moisture from seamed flux-cored wire during welding, lowering diffusible hydrogen and cracking risk in high-strength steel.

Real-time sensors and a proportional valve cut welding gas waste while tracking flow, arc time, and production data online.

A coaxial extraction channel routes welding fumes through the torch body and handle, improving flow capacity without restricting torch handling.

Shielding gas routed through diffuser and retention channels cools the welding contact tip, reducing thermal wear and extending service life.

Remote pressure and flow monitoring lets welding operators switch gas supplies faster, reduce downtime, and maintain stable weld quality.

A flexible, rotatable torch fume connection and seal improve hose positioning while protecting machine-side electrical connections from contamination.

An accumulator and vent-hole gas channel smooth pulsating discharge, keeping welding fumes out of the optical path for stable sensing.

Long, dimensioned gas channels laminarize shielding flow, improving weld protection while keeping gas use and nozzle complexity low.

Stacked apertured purge plates hold purge gas against bidirectional pressure swings and then dissolve quickly during pipe flushing or hydrostatic testing.

Recirculated process gas in a flexible DED enclosure improves heat removal, cuts layer waiting time, and filters soot near the melt pool.

A three-path shielding gas flow uses a slower intermediate layer to suppress circular vortices and keep workpiece surface protection stable.

Coordinated closure of a proportional valve and solenoid valve equalizes welding gas pressure and prevents surge on the next cycle.

Adjustable nozzle segments match straight or curved weld seams to maintain uniform trailing gas coverage across different tube diameters.

Ring-shaped inlet and offset outlet channels create uniform inert gas flow that displaces oxygen and protects stud weld quality.

Arc-triggered speed control lets a welding fume extractor run only as needed, cutting energy use, noise, and filter wear.

A nozzle-stock insert creates a smooth flow space that evens shielding gas delivery, cuts dirt buildup, and improves heat transfer in welding.

Varying channel cross-sections in the gas cover equalizes shielding flow around the weld point, limiting oxidation and improving stud bonding.

A moving slave wagon localizes inert gas around the fusion zone to limit leakage and keep both sides of pipe welds oxide-free.

Electronic flow control sets shielding gas by nozzle size and maintains laminar coverage during welding despite pressure changes.

Electrically controlled proportional valves inside the welding power supply maintain consistent multi-fluid flow without external mixers.

A double-layer extraction cover and rotating brush collect welding fumes and debris together, improving flexibility while purifying smoke and recycling residues.

A housing-mounted oxygen sensor with switchable measurement points simplifies shielding gas and chamber oxygen checks for weld quality control.

A sealed ring-like gas path and tapered flow wall extend shield gas laminar flow, reduce vortex drift, and improve welding quality.

Distance-based suction control balances fume extraction with protective gas stability in welding and brazing with integrated extraction.

A sealed dual ring-like gas path and tapered wall suppress shield gas vortices, extend laminar flow, and improve weld shielding.

Local inert gas shielding and induction heating-cooling enable large 3D metal weld builds with less oxidation, distortion, and chamber limits.

A suction nozzle and shielding gas nozzle layout removes hydrogen sources during arc welding, reducing cracking, pore defects, and preheating demand.

A segmented positive pressure head around a suction conduit expands the fume capture zone and improves extraction in confined workspaces.

Custom 3D-printed seals and detachable cylindrical holders improve forming gas sealing on welded pipes across varying diameters.

Electrical contact with a table conduction block locates and corrects wire tip position, improving deposition shape and cutting accuracy.

Electronic shielding gas control uses nozzle size and feedback to hold laminar flow despite pressure changes, improving weld quality.

Axial diffuser and nozzle channels route shielding gas across the welding contact tip to limit heat wear and extend service life.

A rotating manifold and flexible duct capture welding fumes near the nozzle while reducing collision risk and installation downtime.

Automatic start-position adaptation and spring-based positioning improve stud welding consistency on curved or irregular substrates.

Inside a nuclear tube, controlled low-heat weld droplet build-up repairs thin irradiated defects while limiting cracking, deformation, and replacement.

A porous, flame-resistant purge plug seals tubes during welding while venting exhaust gas to prevent pressure buildup and cut gas use.

Automatic plunge-position setting and real-time weld feedback reduce manual parameter tuning and improve stud-to-substrate bond consistency.

A copper-backed Hyper-TIG electrode and dual gas flow layout improve penetration while limiting oxidation, wear, and arc widening.

A proximal fume boot and vacuum hose capture welding fumes without restricting robotic torch rotation or nearby tooling.

Flow grooves and sensor openings capture welding fumes near the arc while limiting shielding gas disturbance to preserve weld quality.