Urinals TRIZ Cases

A sliding flushing nozzle uses a manipulatable cover element to shift between service and maintenance positions.

Alternating acidic and alkaline electrolytic water washes urinal walls, removing urine scale while preventing neutralization that reduces disinfection.

A women's urinal uses a concave water-repellent mesh to break urine jets and guide flow into an elongated bowl.

Snorkel float chamber design equalizes internal pressure via air intake, reducing cistern drain fitting noise during valve closure.

A flush toilet bowl uses a helical guide passage to direct swirling water flow from upper discharge ports toward the drainage outlet.

Shared scaffolding enables simultaneous adjustment of the cage and upright tube without separate adaptation, resolving complexity in installed state changes.

A toilet fixture uses a pneumatic valve to lower bowl water levels, redirecting flow to minimize splashing during use.

Segmented diaphragm geometry eliminates dead spaces in waterless urinals, preventing odor formation while maintaining back pressure resistance.

Curved bowl surface directs jet spout water flow along the Coanda effect path to maintain force.

A toilet tank device uses a flow rectifying portion to guide flush water smoothly along the inner wall surface.

Rear rim water chambers with vertical and tangential openings resolve cleaning difficulties of encircling rims while maintaining effective flushing.

An electrochemical cell generates oxidizing agents directly in flushing water to disinfect urinals and water closets.

Pre-filled jet water conduit sustains siphon action despite low reservoir tank head pressure, improving waste discharge performance.

Distinct swirl trajectories from the rim spouting portion prevent collision-induced splash-ups while maintaining strong flow force for thorough cleaning.

A suction device extracts air from the toilet trapway to create negative pressure and accelerate siphon formation.

Dual-jet rimless toilet design directs flush water above the waterline to preserve hydraulic energy and prevent waste accumulation under the rim.

A polymeric diaphragm valve directs liquid flow through a urinal outlet while preventing backflow.

Segmentation and universality principles resolve the trade-off between sanitary conditions and cultural preferences in sanitation infrastructure.

A pivotable urinal wall transitions between above-ground use and underground rest positions to enable rapid facility deployment.

Open water draining channel with storage cavity prevents insect infestation while enabling automatic inner wall cleaning.

An off-center water supply redirects flow via a collision wall, reducing forward projection while maintaining structural stability.

Switching mechanism directs nozzle water into a dedicated refill pipe to restore sealing water without passing through the throat suction port.

A fastening system uses a drive element to rotate a pre-assembled threaded nut for controlled assembly.

An asymmetric flush water outlet directs tangential flow into a rimless toilet bowl to create a circular cleaning current.

Controller-activated valve dispenses sealant to clean backsplash walls and maintain the liquid barrier, eliminating manual maintenance.

A flushing water supply duct with a single lateral opening reduces flow speed to minimize noise during high-power discharge cycles.

A flush toilet recess redirects a major water stream via collision with a rear bottom surface to guide flow toward the drainage conduit inlet.

A reversible rotation centrifugal pump directs flush water to rim or jet spouts via impeller direction changes.

A non-return device with a convex transition portion and moveable sheet members maintains fluid flow while preventing reverse leakage.

A conical water trap creates a vortex to transport particles, eliminating bulky tanks and reducing toilet volume.

A helical loop trapway directs flush water through a three-dimensional spiral path to maintain angular momentum and reduce flow resistance.

A siphon flush valve uses a spray initiator to induce fluid flow without mechanical seals.

A urinal water sprinkling device supplies sterilizing water to suppress odors and prevent biofilm clogging in the bowl section.

A flush toilet uses a straight rim water guide passage to spout water from the rim section, preventing delayed siphon start timing and incomplete bowl cleaning.

Arc portions manage flow changes to prevent whirlpool formation, ensuring effective water flow down to the waste receiving surface.

A porous polymer matrix absorbs and slowly evaporates volatile fluids to maintain consistent fragrance levels over extended periods.

Segmented jets maintain high waterhead pressure while forming a vortex that emulsifies waste and prevents spewing.

A flush toilet device uses separate on-off valves to spout water from an upper port while refilling the tank.

Segmenting the discharge path into distinct parts cushions sudden pressure surges, stabilizing piston operation and preventing discharge valve malfunction.

A flush toilet device uses hydraulic drive mechanisms to independently control rim and jet spout drain valves for precise water discharge timing.

An elastic membrane seals sewer odors without liquid films, preventing leakage when sanitary water drains dry.

Energized flush water jets remove waste contamination from the bowl surface, enabling continuous health monitoring without manual cleaning.

A cup-shaped urinal basin channels cleaning fluid through an integrated side wall gap to overflow and wash inner and outer surfaces.

A urinal flange connector directs water into the fixture while providing an aperture for plumbing cable insertion.

Upward rim nozzle spouts flush water into a segmented guide channel to fractionize air, reducing accumulation that causes abnormal noise during discharge.

Flexible membrane siphon drains liquid from waterless urinals while blocking odor escape through lateral openings.

A peripheral slot discharges a curtain of water radially inward to eliminate hidden waste areas in rimless toilet bowls.

An oblique straight pipe portion in a flush toilet throat suppresses backwater vortices and inner surface interference, maintaining jet pump efficiency.

A flush toilet rim hides water spouting ports behind an overhanging shelf to create a symmetrical, clean aesthetic profile.

Universal urinal design uses asymmetrical rear wall to deflect urine and plenum baffles to distribute water, eliminating multiple model inventory needs.