Road Cleaning TRIZ Cases

See how a rotatable main housing with locking structure enables dual-purpose blower/vacuum mode

See how vacuum extraction and sensor-controlled recovery of de-icing chemicals reduce catalytic

See how a portable vacuum motor and tubing system collects pet waste without bags or bending, r

See how a telescopic scoop with angled collection and multi-point bag attachment eliminates dir

See how sensor-based vacuum generator speed adjustment reduces fuel consumption by up to three

Adjustable pickup, stepped conveying, and self-leveling improve litter collection across varied terrain while managing energy for longer operation.

An onboard-controlled electromagnetic strip collects road metal debris while switching off near infrastructure or at unsuitable vehicle speeds.

A gap-controlled dustpan and vacuum transfer path improve road debris pickup on uneven surfaces while preventing foreign object leakage.

A high-pressure liquid jet breaks down solid animal waste on-site, avoiding bagged disposal, direct handling, and plastic pollution.

Autonomous navigation and sensor feedback remove snow without manual monitoring while limiting snow and debris discharge speed for safer operation.

By raising the snow shovel head when traps are detected, the sweeper avoids backtracking, cuts detours, and maintains snow removal efficiency.

Controlled snow-throwing speed and autonomous navigation improve snow removal while limiting road-surface damage and labor use.

A speed-limited snow throwing mechanism enables autonomous snow removal while reducing road damage, labor demand, and energy use.

Dynamic protection zones around sprinkler vehicles keep nearby unmanned vehicles moving smoothly while avoiding skidding and sensor interference.

Dynamic motor-speed control keeps thrown snow and debris below 41 m/s, improving autonomous snow clearing efficiency and safety.

Motor speed control limits snow and debris ejection to 41 m/s, enabling autonomous snow removal with safer unattended operation.

Controlled snow-throwing speed and autonomous navigation improve snow clearing while reducing road surface damage and labor.

A hinged rigid container with a bag liner and clip helps collect dog waste quickly while limiting odor and organism exposure.

Camera-guided conveyor sorting separates litter from roadside material after pneumatic pickup, reducing manual roadside work and safety risk.

Bottom and side wedges lift curb and street trash into a tractor-mounted housing, extending curb reach without a separate collection vehicle.

A multi-position flap with dual actuators lets light debris reach the sweeping roller while blocking large debris to reduce wear and improve cleaning.

A separator, slit opening, and leash-stabilizing loops let one hand dispense and detach a single waste bag without unraveling or tearing.

Integrated water flow through the handle rinses the collection bin during animal waste pickup, improving hygiene without adding cleanup time.

A puncturing roller lifts ground litter into a collection basket, speeding large-area cleanup while reducing manual labor.

A sweeper with a trailer-mounted high-pressure water system removes runway rubber buildup while lowering cleaning cost and complexity.

Vacuum collection and timed disinfectant spraying improve dog waste pickup while sanitizing the surface in one powered tool.

A harness-mounted carrying case stores clean bags, soiled bags, and a scooper so the pet carries waste instead of the owner.

Vehicle-speed thresholds stop brushes and water spray during stops or fast travel, cutting water use and brush wear while keeping cleaning effective.

Triggered scooper halves, an extender rod, and a discharge chute make pet waste collection more consistent, hygienic, and easy to dispose.

A motorized first arm, idle second arm, and inclinometer-based tube sensing extend sweeper nozzle reach while improving obstacle handling.

A tapered scraper edge and scoop pan improve regurgitation pickup on carpets and hard floors while reducing residue and cleanup effort.

A radar sensor measures the debris surface inside a sweeping machine hopper to prevent overfilling and support continuous fill-level monitoring.

A constrained lid follows a predetermined trajectory, staying parallel to the tub surface for controlled waste discharge.

A replaceable tine body lets operators repair broken muck rake tines without discarding the intact rake, reducing waste and replacement cost.

Adjustable cables move folding tines between open and closed states, helping collect pet waste cleanly across varied outdoor surfaces.

A collapsible pole and spring-loaded grabber collect pet waste upright while flexible appendages limit rocks, sand, and dirt.

A telescopic rod, foldable structure, and lighting assembly help collect pet waste without bending during dark walks.

An angled ramp keeps the first waste piece on the tray as additional waste is collected, preventing waste from falling during tilting.

Motorized bag dispensing and dual heat seals automate pet-waste containment while reducing manual handling and leakage risk.

A removable traction-rope reel mounts in a dung-picking clamp, combining pet walking and waste collection in one portable device.

A pole-mounted bag and angled tines retrieve animal waste while keeping it contained and avoiding ground damage.

An endplate limits shovel overflow while an articulating head lets users push material instead of lifting it.

An integrated scoop and lid transfers pet waste into a sealed antimicrobial container for cleaner transport and reduced plastic waste.

Camera-guided navigation and a pan assembly let the robot collect feces and return them to a monitored garage bin.

Fixed additional nozzles rinse uncovered areas while spray arms clean beneath the housing.

Brushes and turbo-suction collect snow, while a heated grid and tank create diluted de-icing solution for surface spraying.

Sensors and actuators adjust broom position and angle to maintain debris-removing strike patterns across flat and depressed road areas.

A planar animal waste scooper integrates a perpendicular spool for bag rolls and a tapered aperture to secure knotted bags.

A pivotable tow bar adjusts the air knife angle to track banking, clearing debris quickly while reducing compressor energy consumption.

Integrating the suction channel into the dirt container lowers the center of gravity, improving tipping stability while reducing energy consumption.

An axial pull system actuates hinged braces to open and close radial gripping elements, encapsulating animal waste in disposable bags to prevent contamination.

Retractable mechanisms pull disposable bags into tubes while heating elements weld discrete pockets to prevent hand soiling.

A long-handled pet waste collection tool uses a retractable mechanism to detach disposable bags without hand contact.

Pneumatic suction lifts debris from artificial turf surfaces, eliminating brush wear while maintaining material take-up efficiency.

A cleaning device uses a dust suction pump to capture airborne particles during artificial turf maintenance.

A dual-function waste collection device integrates a multi-edged blade and bag attachment for one-handed operation.