Sewerage Structures TRIZ Cases
- Modular Ditch Covering Element for Path Construction
A permeable covering element forms a pathway over a ditch while allowing water infiltration through the structure.
- Double-Tier Drain Filter Prevents Pipe Clogging
A double-tier drain filter system separates waste using coarse and fine mesh stages.
- Shower Drain Covering Frame Tile Height Adaptation
A shower drain covering frame mounts directly to tiles using adhesive and a temporary positioning aid.
- Expandable Clamping Backflow Preventer for Pipe Adaptation
An elastomer membrane with an expandable clamping device adapts to various pipe diameters.
- Modular Drainage Unit with Interlocking Arches for Soil Support
Segmented panels and nested voids resolve the trade-off between load-bearing strength and root growth, enabling flexible underground assembly.
- Drain Stand with Slatted Cover for Existing Conduits
A drain stand with a slatted cover attaches to existing underground conduits to capture surface runoff, solving high installation costs and debris blockage.
- Condensed Sump Pump Crock Radial Design for Confined Installation
Segmented upper and lower bodies reduce the required ground aperture size while maintaining structural integrity and anti-heaving stability.
- Floor Drain Stabilizer Ring for Concrete Pouring Support
A stabilizing collar attaches to drain pipes to provide secure support during installation.
- Expandable Drain Hair Trap with Hinged Arms
Hinged arms compress for insertion through narrow slots then expand to cover the outflow opening, resolving size constraints while maintaining water discharge.
- Drain with Overflow Channel Above Inflow Opening
Repositioning the overflow channel above the inflow opening reduces overall depth while maintaining air trap sealing reliability.
- Fiber-Reinforced Composite Drainage Cover with Foam Core
A fiber-reinforced composite cover integrates a dimensionally stable core between upper and lower fabric layers.
- Flat Silicone Water Return Bowl for Floor Drain Height Reduction
A flat silicone water return bowl sits at the bottom of a storage tank to create an airtight seal without adding vertical height.
- Aircraft Fluid Recycling Unit for Water Weight Reduction
A fluid recycling unit captures grey water from aircraft sinks and treats it for reuse.
- Floor Drain Cover Assembly for Concrete Height Adjustment
A removable upper portion on a floor drain cover base allows height adjustment after concrete curing.
- Spring-Loaded Chain Tensioner for Submersible Pump
A spring-loaded arm engages the lifting chain to prevent violent oscillations from liquid currents, protecting electric cables during operation.
- Nested Pipe Stub Drain Fitting for Variable Sewage Diameters
Nested pipe sections in a universal drain fitting eliminate manufacturing costs from multiple models while enabling on-site diameter adjustment.
- Modular Drainage Element With Gradient Permeability Filter
Zoned filter fabric controls infiltration rates and prevents ground displacement by adapting to local soil conditions.
- Air Valve Inflow Protection via Elevated Vent Pipe
Elevated vent pipes prevent vault flooding contamination without complex internal float valves.
- Wedge-Shaped Storm Drain Filter for Debris Retention
A wedge-shaped inlet filter intercepts debris in storm drains using a modular frame with replaceable media.
- Slot Drain for Concrete Slabs Accommodating Thermal Movement
Elastomeric channel walls flex with thermal slab movement, preventing structural damage while maintaining continuous drainage efficiency.
- Drain Assembly Protrusions for Vortex Control
Angled protrusions control vortex formation and prevent debris accumulation, maximizing drainage efficiency.
- Hydrophilic MMVF Drain Element for Soil Contamination Prevention
A hydrophilic man-made vitreous fibre substrate absorbs and conveys water through a dedicated internal passage.
- Mechanical Backflow Valve with Buoyancy Actuation
A buoyancy-driven slide valve prevents sewer backflow during power outages, maintaining building drainage reliability.
- Drain Water Collector Sump with Shutter Mechanism
A drain water collector sump uses a buoyant shutter inside a convey element to direct flow and block odors.
- Ramp Apparatus for Stormwater Chamber Debris Removal
Inclined ramp apparatus guides debris and fluid out of stormwater chambers, preventing clogs on dome-shaped end caps.
- Inlet Guard with Nested Basket for Debris Trapping
Nested wire-grid baskets catch sludge while screens block debris, easing maintenance.
- Toilet Siphon Installation Accelerates Liquid Waste Flow
A siphon installation accelerates the liquid portion of toilet waste flow to enhance discharge speed.
- Storm Drain Sediment Filter with Raised Foam Berm
Raised polymeric foam berm seals storm drains, preventing clogs from high flow rates and vehicle traffic.
- Movable Cover Plate Guide for Sanitary Discharge Pipe Connection
A movable cover plate shifts position along a guide to bypass supporting beams and other pipes during sanitary installation.
- Pivotable Gulley Baffle for Odour Trapping and Maintenance Access
A pivotable baffle assembly secures a gulley outlet while allowing controlled movement for inspection.
- Floor Drain Trap Asymmetric Flange Sealing
An asymmetric drainage flange and support collar guide correct assembly alignment in a floor drain trap, preventing sewer gas leaks caused by misalignment.
- Floating Water Treatment Container with Biochar Media
Segmented floating containers with porous biochar remove contaminants without restricting flow or altering taste.
- Hexagonal Water Purification System with Permeable Concrete
A hexagonal water purification system uses permeable concrete blocks to filter rainwater while maintaining structural integrity.
- Roof Drain Cover Arcuate Skirt Debris Management
Inverted arcuate skirt collects fluid below debris accumulation line, preventing blockages and reducing maintenance needs.
- Vertical Scupper Filtration for Bridge Runoff
Vertical scuppers with replaceable polymer media filter stormwater contaminants, eliminating the need for large land-based treatment structures.
- Floor Drain Leveling Mechanism for Variable Floor Pitch
A floor drain frame with a displaceable leveling member compensates for finished floor pitch variance.
- Modular Slot Drain System for Rapid Surface Water Clearance
Segmented channel and pipe sections store compactly, then couple to attenuate discharge rates during heavy rainfall.
- Drain Cover with Porous Laminar Sheet and Edge Gaskets
Porous laminar sheets with edge gaskets prevent sediment entry without restricting water flow.
- Sump System Segmented Catch Basin Pump Placement
Segmented catch basin positions sump pump in dedicated chamber to resolve flooding risks while maintaining repair accessibility.
- Waterproof Void Form for Expansive Soil
A waterproof construction unit combines a rigid cellular structure with a degrading shell to create void spaces.
- Adjustable Water Inlet Protection System with Porous Filtration
Slidable corner members adjust the frame boundary to fit various drain sizes while porous material traps fine soil particles that clog traditional silt fences.
- Modular Aircraft Lavatory Floor Assembly with Removable Grid and Pan
Segmented components allow maintenance in confined aircraft lavatories without disturbing surrounding structure.
- Stormpillow Filtration System for Stormwater Runoff Treatment
A modular pillowcase filtration system treats stormwater runoff using granular activated carbon, zeolite, and perlite media.
- Variable-Length Dip Tube Collar for Shower Drain Dirt Prevention
An adjustable annular collar on a shower drain dip tube seals the mounting cavity, eliminating dirt pockets between the housing and flange.
- Vortex Flow Control Plate Positioning for Storm Overflow Contaminant Drawing
Specific geometric parameters for a vortex flow control plate optimize contaminant drawing efficiency while preventing overflow and reducing material costs.