Cesspools TRIZ Cases

See how compressed air and dehumidifier-extracted water enable low-water flushing with UV and t

See how an asymmetric tank floor inclined relative to support joists enables complete rear drai

See how mechanical bio-waste carts and locomotive devices eliminate water as a carrier medium,

Separate primary and secondary chambers improve overflow handling and anaerobic waste treatment while lowering septic construction burden in remote areas.

A manually operated cart moves indoor bio-waste to a concealed depository without water, improving hygiene while conserving fresh water.

Minimal-flush excreta storage with tank heating boosts fermentation and methane output while cutting wastewater discharge.

Angled asymmetric corrugations let a low-profile leaching chamber keep load capacity, storage volume, and easy installation in tight sites.

A control unit analyzes pump runtime, electrical current, and alarms to diagnose septic issues and guide timely maintenance.

Molded basins use integrated guide rails and modular risers to resolve hydraulic floating risks while enabling adjustable depth configurations.

Asymmetrical dividing elements eliminate dead zones and velocity stratification while reducing energy losses in raceway pond systems.

An external pump tank contacts the waste liquid tank wall to share one riser pipe, reducing installation holes and leakage risks.

Segmented walls nest within the tank volume to simplify manufacturing and transport while maintaining reliable separation performance.

Segmented couplers merge mechanical latching with fluid channels to resolve the contradiction between rapid construction time and precise water level control.

An integrated scum board merges with the container body via rotational molding, eliminating separate mounting steps and reducing device complexity.

Segmenting the tank into chambers and adding a corrugated flow pipe settling zone reduces total suspended solids without increasing structural complexity.

Segmented flexible sheeting and rigid A-frame braces enable rapid assembly for large-volume emergency fluid storage.

A plastic vessel encased in a concrete container provides structural strength and impermeability for underground storage applications.

A COB LED package uses a general PCB substrate with through holes and a resin dome to fix the light source.

A toilet rim channel uses varied aperture density to direct water flow for targeted bowl cleaning while maintaining ultra-low flush volumes.

Double coil dispersal lines distribute septic effluent through pressure compensating emitters for compact wastewater treatment.

Segmented access ports on a compartmented septic tank cover allow maintenance and aeration tube changes without disturbing the tank bed or removing sections.

Triangular wall projections generate downward thrust to stabilize buried tanks, eliminating complex civil engineering requirements.

Benzo oxazole and thiazole derivatives modify the HOMO-LUMO gap to resolve color purity deterioration while maintaining high luminous efficiency.

Flow inducers in a multi-compartment septic tank reoxygenate wastewater, resolving limited oxygen circulation that restricts treatment capacity.

A fill level sensor uses a selection device to adjust spring counterforce, enabling multiple pump activation levels without hardware replacement.

Segmenting the ascending tube into a removable part and a support base allows stacking and forklift handling, resolving transport damage risks.

Segmented interlocking ballast blocks eliminate large concrete orders and truck access issues by enabling rapid assembly around subterranean pump stations.

Curved walls eliminate corner dead zones in rectangular tanks, extending flow length and improving layer separation efficiency.

Angled reinforcement ribs stiffen metallic housing walls to absorb pressure peaks in wastewater separation tanks.

Rotational molding bonds dense plastic layers with a closed-cell foam core in a composite wall septic tank to resist mechanical deformation and buoyancy.

A reinforced plastic flange with aligned fiberglass resists soil pressure deformation to ensure proper lid fitment.

A passive overflow discharge system diverts wastewater through auxiliary storage tanks and leach fields using gravity flow mechanisms.

A universal lid seals multiple septic tank openings using an annular flange, reducing inventory complexity and manufacturing costs.