Sewerage Structures TRIZ Cases

Variable wall thickness and modular connections resolve the contradiction between structural strength and material consumption in subsurface storage basins.

A flat wastewater drain uses a segmented siphon chamber to achieve high drainage capacity within a low profile.

Tubular insert part joins flexible membrane to outlet pipes without adhesives, preventing cement soiling and leakage risks.

A compact drain outlet uses a siphon channel along the outer side wall to increase cross-sectional flow area.

A low-profile dome floor drain cover uses concentric radial flow passages to maximize liquid drainage capacity.

Threaded base parts and cuttable immersion pipes adapt floor drains to low screed heights while maintaining liquid-tight seals.

Angled crossbeam ends lock into edge rail slots, balancing manufacturing simplicity with structural stability under dynamic loads.

A fabric filtration liner and mesh screen separate water from high-pressure excavation slurry inside a container with an inner void.

A variable speed vacuum pump adjusts rotation rate based on real-time sensor data to maintain stable suction pressure in sewage collection networks.

Jack screws in the adapter raise the grate flush with the floor, eliminating trip hazards from uneven installations.

A perforated pollutant retention device diverts storm water runoff through an upper framework to capture gross debris before it enters the drainage system.

A drain fitting uses a vertically oriented, removable sealing flange to adapt between wall-adjacent and distance configurations.

A pump unit adjusts rotational speed using a lookup table correlating current consumption with target volume flow rates.

A guide-based adjustment unit moves a floor drain cover to resolve alignment issues in varied installation scenarios.

A magnetic strip reversibly covers linear drainage openings, preventing concrete contamination and simplifying the backfilling process.

Spacer elements between the housing and cover prevent upward displacement during backflow, resolving reliability versus stability trade-offs.

A nested dual-conduit drain system creates an insulating boundary that prevents condensation from damaging building structures.

Resilient sealant click connectors join modular drain elements, reducing transportation bulkiness while ensuring reliable sealing at transition regions.

A drainage container integrates a planar sealing sleeve via circumferential welding to form a watertight joint.

A floor sink flange engages the support surface to create a sanitary seal without grout.

A composite damper merges a tuned liquid damper and a tuned mass damper to reduce structural vibration responses on construction platforms.

A linear drain assembly disperses fluid flow through multiple paths to reduce kinetic energy and noise.

Enlarging end memory cells in NAND strings compensates for select transistor interference to improve program speed uniformity.

Multiple-stage inlet structure generates vortex flow to transport water into underground reservoirs, maintaining efficiency at low flux.

Integrating the light source and detector into one elongate body prevents solid object interference between components.

Segmented vertical tanks maintain drainage section area without floor descent, preventing blockages.

Slotted holes and studs enable horizontal adjustment of a shower drain body within a fixed support structure.

Nested drain rings with tapered openings guide ligature devices away from secure anchor points, reducing self-harm risks in high-security facilities.

Integrated latching mechanisms on support elements allow tool-free removal of the longitudinal bar, preventing clogging in narrow drainage slots.

Segmenting the filter into a permanent frame and removable bag reduces maintenance time while preventing clogging.

Rigid porous foam filters 90% of sediment while maintaining high water flow rates, resolving the trade-off between trapping effectiveness and drainage capacity.

Segmented drain troughs and adjustable height grills enable on-site cutting to match non-standard pipe locations, eliminating costly pipe relocation.

Replacing static water seals with spring-loaded flexible flaps eliminates evaporation risks while enabling a flat, compact stench trap design.

Laterally projecting tabs accommodate adjustable support legs to level shower drain boxes on uneven subfloors, resolving installation complexity.

Segmented foam blocks anchor shower pipelines while preserving free floor design through independent structural portions.

A gutter cover unit interlocks with a frame via a segmented fastening component that mediates the connection.

A ball valve mechanism lifts to admit air when pressure drops below ambient levels.

Moveable inner pipe sections adjust aperture position to resolve alignment issues with heavy natural stone tiles.

Segmenting the pretreatment chamber from the rain garden prevents premature bypass of untreated storm water caused by debris accumulation.

Segmented filtration basins with porous media prevent clogging during high water flow, reducing chemical pollutants in surface runoff.

Coating concrete base bodies with plasticised plastics material forms a seamless protective layer on internal walls and connection portions.

A portable pump station arrangement transports water slurry using a chassis with forklift entry openings and an internal discharge pump.

A detachable grill grate and support flange attach to existing shower drains for quick bezel replacement.

A feed pad design with a leachate channel and barrier structure to separate contaminated runoff from clean rainwater.

A rigid frame covered by mesh material filters sediment from storm water runoff.

Segmented conduit chambers eliminate stone backfill requirements, expanding usable volume while accelerating installation speed.

Pre-positioned studs and clearance holes align wet well pumps to eliminate on-site measurement, reducing labor and hazardous exposure.

A distribution box directs effluent through a pivoting ramp to multiple outlet openings.

A detachable floor drain interface uses a segmented cover plate and flip cover to enable easy maintenance of the odor-resistant component.

A passive self-cleaning filter vault uses gravitational settling to separate suspended solids from wastewater without mechanical devices.