Barrages/Weirs TRIZ Cases

Segmented surface valves maintain reserved flow without overloading bottom drains.

A modular belt with a grid-like pattern of intersecting link and transverse elements creates four-sided openings for water passage.

An automated gate valve system manages water levels in open ditch drainage networks through programmable actuation.

Segmented top seals with shield members and monolithic side seals reduce frictional drag and leak paths in slide gate applications.

Segmented plastic containment barriers resist liquid surge pressures through inclined walls that redirect flow, avoiding heavy monolithic structures.

Epicyclic gear adjusts cleaning speed to prevent fine mesh obstruction while maintaining high filtration precision.

Alternating closure elements guide aquatic organisms through a dual-chamber fish lock while an energy conversion device harvests power from the attraction flow.

A single diesel engine drives centrifugal and hydraulic pumps to reduce system complexity while maintaining power availability.

A pit gate seal uses dual rigidity zones to deform under water pressure and reduce friction during insertion.

A buoyant shutter pivots within a sloped duct to manage floodwater flow, eliminating complex catch assemblies that require skilled labor and precise adjustment.

A wall-less disk transport unit moves fish vertically using buoyancy and a cable winch system.

Sensors monitor container position and shaft water level to detect operational faults and trigger automatic remediation.

Berm members extend upwardly from support surface mats to prevent liquid leakage, eliminating non-reusable plastic liner disposal challenges.

Connectors secure a folded reservoir end to maintain open fill ports, eliminating the need for elevated structures during filling.

Vertical turbine movement resolves the trade-off between energy efficiency and debris protection in weir systems.

Elongate ice-breaking elements with spike tips protrude below water level to induce shear stress in ice layers on fusegates.

Flotation and regrinding separate lithium minerals from gangue, overcoming high energy consumption and low recovery in conventional extraction.

Replacing solid mass with water-filled chambers reduces weight and cost while maintaining wave attenuation capability.

Dynamic spillway height adjustment balances downstream flow compliance with upstream ecosystem preservation.

Fabric filter bags impregnated with anionic polyacrylamide capture suspended solids to meet stormwater regulations.

A vertical shaft fish bypass uses a buoyant transport container to move aquatic animals between water levels.

A pressure vessel slides over a closed conduit to regulate fluid release rates, eliminating float and spring failures in detention ponds.

A precipitation harvesting storage system uses forecast-based control to manage water levels and valve operations.

Interlocking precast concrete segments assemble rapidly without water diversion, reducing construction time and cost while reusing existing structures.