Combination Devices TRIZ Cases

See how a pressing member with air-passage holes and a fixing member prevent dust backflow whil

See how a segmented vent design uses nested cover, grate, and filter layers to maintain airflow

See how nested second cyclonic separators inside a first separator reduce device height and vol

See how a reusable metal support frame protects disposable fiber filter pads from flame and hea

Angled cyclonic entry, swirl vanes, and a coalescing filter cut oil re-entrainment in compressed air and improve oil reuse quality.

An airtight lid and seal simplify isolator filter replacement while supporting leak testing, aseptic airflow, and chemical containment.

A spaced cyclone-barrel opening lets large lightweight inclusions bypass the filter, reducing blockage and improving dust collection reliability.

Bottom air intake and spiral flow keep dust away from the central filter, improving cyclone separation and reducing cleaning frequency.

A partial helical guide surface directs hair and fluff into the collection chamber while limiting debris flow-back and clogging in cyclonic separators.

A multi-stage cyclone and ribbed dirt chamber improve fine dust separation, limiting re-entrainment and reducing motor and filter fouling.

A rotating disc filter and conical collar drive impurities outward, reducing particle recirculation and filter clogging in ventilation ducts.

A clip-on metal mount shields disposable grease-absorbing fiber pads from heat and flame while simplifying kitchen hood filter replacement.

Overlapping curved vanes redirect cyclone airflow through outlet gaps to cut turbulence and pressure drop while limiting debris escape.

A segmented cyclone bin with variable chamber geometry and airflow disruption captures fine particles and reduces re-entrainment before motor fouling.

A removable water tank and linked airflow passages let humidification and air cleaning run separately while maintaining filtration and 360-degree air delivery.

Selective cyclone deactivation keeps vacuum separation effective across low and high flow rates while back-flushing cuts filter cleaning downtime.

Overlapping stationary vanes redirect helical air through gaps to cut outlet turbulence and pressure drop while keeping debris inside.

A vertical scupper-based swirl separator removes water droplets from airflow while limiting pressure loss and preventing droplet re-entrainment.

Room-side sampling ports and a sealed shroud enable accurate exhaust filter efficiency testing in the operational flow direction.

A rotatable outlet grill and opposing air current keep cyclone dust from clogging holes, preserving vacuum suction and easing cleaning.

An intersecting dual-cyclone layout separates large and fine dust while a hinged lower cover empties both dust chambers in one action.

A one-piece PVC foam holder redirects and smooths refrigerated airflow, cutting turbulence, leakage, and metal-related heat loss.

A hinged lower cover lets both cyclone dust chambers empty at once while moving the filter to the fine-dust stage preserves airflow.

A welded steel work box secures tools in front loader buckets, cutting repeated loading time and reducing transport damage.

Counter-rotating cyclone cells improve particle discharge in compact multi-cyclones, reducing buildup, clogging, and efficiency loss.

Curved flutes and airfoil ribs capture entrained water droplets while lowering static pressure and fan power in cooling towers.

A two-part fan and filter assembly uses side release means to simplify filter replacement while keeping the purifier securely aligned.

Filtered air is routed into a separable humidification module with 360-degree airflow to cut resistance while keeping humidifying media dry when idle.

Multi-stage inertial, centrifugal, and filter separation cuts clogging, noise, and size while improving dust removal and control.

Zigzag airflow and injected adsorbent capture oily droplets and fine dust, cutting filter clogging, maintenance, and exhaust heat loss.

Inclined blades and heat pipes separate oily dust from hot exhaust gas while recovering heat and reducing downstream filter clogging.

A two-stage cyclone layout uses more and taller second-stage chambers to cut backpressure, capture finer dust, and reduce pre-motor filter maintenance.

An impeller splits airflow into clean and dirty streams so only the dirt-rich portion enters parallel cyclones, cutting size and energy use.

A lower storage chamber and filter in the oil separator trap debris from refrigerant, reducing recirculation, abrasion, and noise.

Detachable baffle channels guide and separate oil-laden airflow to improve grease capture while reducing pressure drop, noise, and cleaning effort.

Nested cyclone separators and a pressing member improve air-dust separation, compact dust storage, and cleaner dust discharge in vacuum cleaners.

A dual-stage cyclone and perforated pressing plate compress stored dust, limiting backflow and improving collection efficiency.

A melt-sealed low-permeability metal container protects the gas-adsorbing member during fabrication while cutting sealing parts and cost.

Segmented deodorizers, airflow membranes, and air curtains maintain negative pressure in long sewage pipes to contain and remove dense odors.

Flexible integral locks let HVAC filters connect quickly in varied layouts while preventing airflow bypass and maintaining structural support.

An open front panel guides the filter outside the casing for hidden cleaning, avoiding a separate detour lane and shrinking indoor unit size.

Embossed projections lock pleated PTFE filter media in a zigzag shape, cutting pressure loss without added spacers, weight, or lost dust collection.

A bottom-opening cyclone layout places the dirt chamber below the separator to increase capacity while an outlet extension keeps airflow back pressure low.

Multi-stage bubbling through condensate overcomes incondensable-gas heat resistance while recovering condensation energy for lower-cost water purification.

Feedback-controlled lithium sublimation removes O2, H2O, and hydrocarbons in EUV vacuum chambers without high-temperature baking damage.

A porous netting-and-fibre composite boosts burst strength while preserving airflow, clogging resistance, and weldable bag construction.

Corner airflow blockers and seals isolate dehumidifier air paths, reducing leakage and improving moisture removal in low-humidity operation.

CO2 removal and lance cooling keep hydrated lime dry and reactive, reducing carbonate buildup and maintenance in acid gas control.

Oblong-opening diffuser strips spread inlet airflow inside the vacuum cleaner bag to prevent blockage, cut pressure loss, and extend dust capacity.

Multiple cyclone units pre-separate dust in a sweeper hopper, reducing filter clogging and limiting dust dispersion from exhaust air.

Strain gauges measure filter weight changes to determine fouling levels, eliminating unnecessary maintenance downtime.

Reducing porosity at the sealing area of a microporous membrane stops liquid evaporation during storage while maintaining efficient fragrance diffusion.

Segmented vortex separators separate and concentrate respirable particles by a factor of at least 2:1, preventing clogging in detection systems.

Pressing a removable sealing member against a honeycomb structure during slurry drying prevents end face depression and reduces deposit accumulation.

A gas-liquid separation system uses a U-tube drain pipe to block exhaust gas flow with waste water.

Offset tubular sections in the inlet conduit reduce backpressure while distributing exhaust gas evenly for effective aftertreatment.

Recirculated flue gas stabilizes approach temperature within dry flue gas treatment systems.

A displacement feeder doses rock material into a closed compression space to form a solid cake.

A composite microporous filter material combines polysulfoneamide and P84 fibers to achieve high filtration precision.

Segmented cyclone and baghouse stages remove potassium chloride from biomass exhaust while minimizing physical footprint.

A capture and withdrawal mechanism removes agglomerates from solids streams using purge gas flow.

Rotating radial surfaces in a pre-separator deflect raw gas flow to remove particles, extending main separator service life and reducing operational costs.

Multi-deck vibrating screens combined with oscillating tables separate petroleum coke by density while maintaining consistent particle size distribution.

Wet separation system removes dust directly at source, eliminating extensive ductwork and explosion hazards.

A dual-cyclone dust collector uses a nested pre-separator to remove large debris, preventing clogging and maintaining consistent suction force.

A filtering device pre-humidifies exhaust gases to capture particulate matter.

Partial permeate recycle maintains helium purity and recovery across wide turndown ranges without adding modules.

Embossing controls crystallization to resolve the contradiction between fiber fusion and shape retention, ensuring pleat durability.

A gas permeable membrane separates cargo from a vacuum-connected buffer region, maintaining optimal gas compositions without complex mechanical controls.

A selective catalytic reduction catalyst uses layered structures to manage reducing agent delivery.

Vibrating hydrocarbon concentration produces reducing intermediates that chemically reduce NOx at high temperatures.

Curved inlet passages reduce pressure losses while a sealed chamber prevents oil contamination of cleaned gas.

A mobile chamber with tapered filters captures airborne particulates during on-site maintenance operations.

Self-supporting cylindrical structure merges venturi channel with swirl generator to resolve space constraints while maintaining structural strength.

Controlling downstream pore volume between 0.01 and 0.08 cm3/g reduces pressure loss while maintaining PM combustion efficiency.

A panel filter uses V-pockets with asymmetric pleats to maintain a straight airflow path through the media.

A vehicle canister dust filter uses a segmented cover with an internal drainage channel to route liquid away from the filtration member.

A drain separator uses a motor-driven fan to generate centrifugal force for separating saturated steam into gas and liquid components.

A two-layer catalytic article resolves sulfur poisoning and high light-off temperature by using palladium dispersed on ceria in the first washcoat layer.

A separator uses an actuator to adjust aperture area and an impaction surface to deflect fluid streams for contaminant removal.

A unitary filter element integrates a pre-separation portion to remove larger particles and water droplets before they reach the primary filter media.

Axially staggered annular filter elements route fluid through segmented paths, reducing pressure drop while maximizing space utilization.

A cyclone filter drops into a collection vessel via a discharge pipe, preventing environmental pollution during maintenance.

A gearbox deoiler synchronizer accelerates the air-oil mixture to match separator rotational speed.

Segmented vertical tower with diffusion plates captures particulate by-products, preventing vacuum pump damage from incomplete filtration.

A variable aperture separator adjusts its opening size to accelerate fluid streams through impactor surfaces.

Segmented baffle modules replace permanent welds to resolve maintenance difficulty while preserving structural stability.

Ammonia-rich condensate absorbs hydrogen sulfide in raw biogas, reducing desulfurization load and preventing corrosion damage.

Deflecting members in a flow reversing device swirl exhaust and urea mixtures to improve SCR catalyst efficiency across varying engine loads.

Zero film thickness in inlet peripheral regions prevents vortex-induced flaking, maintaining stable pressure drop and reliability under high-speed conditions.

A single-layer catalyst design deposits palladium and rhodium as separate elements to maintain non-alloyed metal content.

A holding sealing material combines needle and sheet-processed mats with localized staple fibers to enhance bonding strength.

Static swirler blades in a filter matrix impart centrifugal force to air streams, increasing impurity path length while reducing gas flow resistance.

A cyclone vortex finder integrates a secondary powder extraction system to capture fine particles near the air outlet.

A medical fluid filter uses a segmented liquid trap chamber to separate liquids from gases before they reach the pleated filter media.

Capillary material distributes liquid oxidizing agents in a gas stream, resolving insufficient reactant release and complex aerosol formation in air purifiers.

Sliding coupling mechanisms replace complex fasteners in exhaust aftertreatment modules, resolving the trade-off between component stability and ease of repair.

A flexible air deflection vane system in an engine precleaner induces vortical airflow to separate entrained particulate matter from the intake stream.