Barrages/Weirs TRIZ Cases

Segmented wall supports with closure mechanisms secure berm sidewalls, preventing environmental contamination from liquid spills.

An electric rack and pinion mechanism replaces hydraulic systems to eliminate fluid leaks while enabling precise angular positioning of the trash rake.

Automated pivoting and vertical adjustment of the collection beam reduces labor intensity while maintaining minimal disturbance to natural water flow.

A fish lift inflow device uses expansion chambers in a bypass line to reduce water pressure and create a gentle lure flow.

An undershot gate integrates a flow diverter with crossed acoustic transducer arrays to measure vertical velocity profiles.

Overhead rail chariots use constrained bearings to enable longitudinal movement along parallel tracks mounted on tunnel ceilings.

Orienting the screen surface parallel to flow increases effective area, resolving throughput capacity limits imposed by fixed sewer cross-sections.

Longitudinal bores in flexible polymeric elastomer members lower manufacturing costs and enable variable rigidity through insertable stiffener rods.

Segmenting the barrage into floating units with flexible membranes reduces offshore construction complexity while maintaining bidirectional power generation.

Dual cables with internal slippage couplings synchronize gripper motion, removing hydraulic fluid risks while maintaining reliable operation at greater depths.

A sensor fish integrates accelerometers and pressure sensors to capture rapid hydraulic data in hydro turbines.

An impermeable liner and hydrocarbon filtration media in a secondary containment system prevent petroleum discharge from above-ground storage tank basins.

A water storage tank with a filter device clarifies muddy water, resolving poor image definition caused by limited light transmittance in turbid environments.

A low profile backwater valve uses a pivoting valve member with appendage floats to seal the inlet against backflow.

Teflon stay inserts heat-welded into geomembranes prevent puncture damage from vehicle traffic.

Truncated triangular struts and an alignment web enable rapid assembly of a modular dike while nesting components to cut transport volume.

A miter gate actuator uses a slider, yoke, and swing arms to translate linear motion into door rotation.

Modular turbine units placed in low head streams reduce environmental impact and construction costs compared to fixed channel designs.

Side-mounted floats release gate supports, resolving maintenance access issues caused by vertical obstruction.

Stabilization plates anchor posts to cut installation time. Reinforcing members join corrugated panels for water-tightness without excessive bolts.

Mechanical impressing reorients magnetic flakes to create contrasting optical and tactile regions, resolving poor distinguishability under uniform lighting.

Segmented panels with coordinated lifting elements manage both overshot and undershot flow configurations.

A yieldably deformable cable gate pivots to manage fluid flow through curbside storm drains, preventing debris jams that flood streets during heavy rainfall.

A tiltable carriage lifts a scraper off angled rails to clear fiber agglomerations and prevent blockages.

Crank axis with tension element lifts clearing arm during return stroke, eliminating complex guide tracks and swivel parts that hinder maintenance.

Mechanical turbine drives hydraulic pump to open spillway gates.

Vertical cable transport reduces space occupation and construction costs compared to traditional fish ladders.

A winch assembly with a coaxial spindle drive maintains a stationary cable payoff point, reducing rope wear and enabling compact pulley arrangements.

Horizontal net spans intervals between offshore inflow prevention devices to collect jellyfish, reducing clogging and disposal costs.

An inflow strip creates a movement gap that allows the sealing strip to shift, reducing flexing strain and extending service life.

RFID sensors verify authorized vessel presence to automate gate operation, eliminating manual intervention and reducing operational costs.

A flow rate regulator uses a pivoting control disk to adjust dimming characteristics via radial displacement.

Precast dam segments with interlocking elements reduce construction time by eliminating on-site curing while maintaining structural integrity.

A fusegate uses a submerged water inlet to pressurize a chamber and tilt a solid shutter element.

Curved elongate members promote Coand effect to increase suction capacity while resisting erosion from sand and gravel.

Corrugated pipes arranged in a triangular formation dissipate wave energy via turbulence, reducing material quantity while maintaining buoyancy stability.

A floating row with submersible pumps and guide rails automatically cleans water intakes by spraying debris away.

Hydraulic transport removes sediment from reservoir beds via erosion processes, preventing turbine damage and maintaining storage volume.

Ecological wetland construction method integrates agricultural production, water purification, and biodiversity improvement in flood storage areas.

Segmented water purification units remove floating debris while maintaining open channels for fish passage and ship navigation.

A vertical shaft hydropower plant houses a submerged turbine unit to convert flowing water energy into electricity.

An attraction stream nozzle aligned with a Venturi section increases fishway flow rate by ten times while minimizing power plant turbulence.

Inverted trash rack in lateral water intake guides flow upward to wash away floating debris, preventing silting and reducing maintenance costs.

A threaded fall-protection nut rotates with the operating stem to maintain gate position.

A flexible envelope with inflatable elements raises granular medium layers through controlled fluid injection.

A portable water-inflatable barrier uses pneumatic structure and passive valves to maintain flood resistance.

Integrated backwash mechanism controls wastewater discharge direction to prevent cross-contamination without separate pipes.

Prefabricated fish passage attraction modules redirect hydropower tailrace outflow to create localized attractor flow patterns.

Segmented polyethylene panels replace labor-intensive sandbags, enabling rapid deployment and reuse across varied terrain.

Segmented compartments and an intermediary filter protect aquatic life from high-pressure spray damage while enabling water reuse to reduce consumption.