Sewerage Structures TRIZ Cases

An adjustable-height compression drain resolves the trade-off between simple construction and precise waste pipe positioning.

An elongated retaining element extends along a storage sewer channel to separate coarse contaminants from wastewater flow.

A pivotable panel valve isolates interceptor tanks from mains drainage networks using pressurized fluid actuators.

One-piece folded frame design resolves complexity trade-offs by diverting load forces through a U-profile to enhance structural stability.

Segmented drain outlets align with building pipes while maintaining pod stability.

An inclined sliding surface converts magnetic force into a centering action that restores the drain armature position after external loads displace it.

Sudden water level drops create high-energy flows that remove deposits and prevent backpressure in waste water channels.

Segmented drainage pipes and gravity-based overflow controllers maintain optimal water tables to enhance contaminant removal without complex automation.

A manhole bait housing uses a dynamic closing body to seal passage openings and contain rodenticide within the apparatus.

A removable catch basin filter insert captures stormwater pollutants while allowing water to pass through at normal flow rates.

An integrated fence design merges wall components to prevent epoxy leakage at corners while simplifying installation.

Precast concrete modules arranged in rows and columns create circuitous fluid flow paths to retain water underground while maintaining structural integrity.

A sliding metal ring clamp secures an earthing connection to a conductive tube without breaking the drain sealing membrane.

Segmented components enable post-pour height adjustment, resolving installation complexity while ensuring precise alignment.

Adjustable drain assembly uses a threaded leveling member to position the strainer flush with the finished floor surface.

Segmented channel elements engage via positive locking features to enable variable length adjustment without tools, resolving assembly handling difficulties.

Partition wall divides liquid flow into separate pathways within an odor trap to prevent hair entanglement.

A detachable frame on a drain housing enables post-screed sealing and height adjustment, resolving alignment complexity during sanitary fitting installation.

A foldable rainwater delay device stores excess runoff in a flexible bag to manage sudden flow volumes.

A floor drain assembly integrates a pre-adhered water-sealing layer with an overlapping sealing mat to create a watertight barrier on the peripheral flange.

Segmented gas valve design prevents system collapse by admitting ambient air during pressure drops while the float seals against liquid discharge.

A rotary valve with guide rails admits air under vacuum pressure while maintaining a seal against harmful gases and corrosive environments.

A slatted floor structure separates animal waste into liquid and solid streams for efficient basement collection.

Segmented sieve and sealing rib in light shaft drains prevent sand ingress while simplifying blind installation.

A tile with a cut-out opening integrates a strengthening profile to maintain structural integrity during installation.

A recessed point drain assembly sits below the subfloor level to enable flush tile installation.

A magnetic float valve cycles a siphon to evacuate liquid, preventing gas bubble obstruction at low flow.

Segmented mesh cages capture pollutants in outfall pipes while maintaining flow rates.

An adjustable shower drain frame uses movable projections to compensate for floor irregularities, reducing installation time and labor costs.

An axially movable drain wall adjusts vertically after concrete pouring to ensure precise height alignment and prevent membrane punctures from uneven surfaces.

A telescopic adapter plate bridges dimensional mismatches in narrow floor drains, enabling reliable suction cup blockage removal without hazardous chemicals.

A catch basin system uses an upward access port to provide maintenance entry while directing water flow through multiple conduits.

Matching inserts resolve the contradiction between drainage reliability and aesthetic appearance by blending into landscaped surfaces.

Segmenting the flange plate from the collecting tray reduces storage space requirements while maintaining installation reliability and sound insulation.

Segmented grate and basket filters prevent drainage clogging by trapping particles at different sizes, ensuring smooth waste flow in commercial settings.

A modular drain block with a transverse slope channels water toward an inlet aperture for efficient drainage in shower areas.

Antechamber deposits suspended matter to prevent filter clogging, reducing maintenance effort while maintaining high water purity.

A flat trap assembly uses a flattened elbow to reduce vertical height.

Simple rod-shaped steel tie rods replace complex molded parts to reduce production costs while maintaining anchoring reliability.

Injection molded plastic tray paired with a metal finishing part resolves manufacturing complexity and appearance trade-offs.

A polymeric drain pot uses flexible catches for snap-fit installation.

A Groundwater Booster System filters surface water using nested sand, gravel, and activated charcoal layers to replenish local aquifers.

Pre-assembled shower drain uses a clamping collar to sandwich the membrane and flexible fins to hold covers, resolving installation time and leak risks.

Interlocking hairpin bars connect precast concrete segments to form a continuous structural assembly.

An inner sheath arranges connection surfaces axially to join pipes of varying diameters, protecting surfaces during transport.

Segmented drainage modules channel water away from the slab to prevent structural damage and enable fluid treatment.

Segmented filter cartridges allow replacement from above ground, eliminating confined-space entry requirements in stormwater runoff systems.

A vertical tube suspends a level detector in a wastewater tank, allowing replacement without draining the basin or entering the soiled water.

A flexibly deformable partition wall in a shower drain fitting creates temporary trough-shaped access paths for cleaning tools.

An inner cover and bridge part create a sealed space within the drain siphon assembly.