Sewer Cleaning TRIZ Cases

Compressed-air jets remove debris and moisture without water, limiting oxidation, drying time, and environmental contamination.

A motor-driven endless belt provides traction for sewer cleaning machines on stairs, while a controller detects insufficient climbing power.

A motorized drain cleaner uses a pivoting drum and multi-directional motor to rotate the snake cable.

A drain auger encasement system uses a clasping arrangement to securely hold the tool during transport.

Plunger pin latch system enables tool-free removal of drum and feed mechanism, reducing labor time during maintenance.

A pivotally mounted gate accumulates sewage to trigger a flushing pulse using gravitational forces.

Segmenting the purge hose isolates nozzle rotation from the stationary supply line, eliminating torsion errors and simplifying the holding device.

A flexible optical device visualizes debris inside high-rise plumbing channels while a water pressure stream dislodges obstructions.

A cylindrical cleaning device introduces abrasive media into vertical stack plumbing systems via a dedicated attachment member.

A snake tool adapter couples heavy-duty drain cleaning cables to portable rotary driving tools.

A resilient non-metallic core supports a metallic helical coil spring to transmit torque, reducing cable weight and injury risk.

A sewer cleaning nozzle integrates a camera and data processing unit to analyze pipe images during flushing operations.

A pivoting shutter mechanism in a sewage pipe barrier opens to allow debris passage and restore flow.

A spiral groove drill bit pulverizes obstructing material and evacuates debris rearward through helical channels.

A drain snake ball with a protrusion steps over pipe ledges to clear condensate drains.

Replacing mechanical transmissions with direct motor drive increases torque and reduces energy loss during high-speed cable rotation.

Segmented hose guide pulleys spray wash mixtures onto retrieved hoses, enabling vacuum line access through the open framework while reducing microbial exposure.

A tube-based assembly injects compressed air into RV holding tank drains to dislodge trapped waste material and restore fluid flow.

Variable diameter drive wheels adjust pump speed to prevent negative pressure in small sewers while maintaining engine efficiency.

A plumbing insert cleansing device injects pressurized water and cleaning solution through existing cleanouts to clear debris from waste pipes.

Segmented handle and extraction mechanisms allow intuitive cable length adjustment while preventing user exposure to dirty water.

Three rollers on a spring shaft allow rapid direction switching without drum reversal, reducing operator fatigue.

An oil block stores lubricant that feeds the rotating cable, eliminating manual maintenance while enabling high-speed pipe descaling.

Counterweighted gate opens at preset level to flush downstream pipes while preventing upstream backup.

A ball type clamp assembly uses a rotatable knob to transition grippers between securing and releasing contact with drain snakes.

A camera module uses a magnetic switch for external activation.

Segmented retainers with integrated fasteners prevent hardware loss during skid changes, eliminating the need for multiple tools.

Segmenting the device into an insertion element, collar, and frame resolves reliability complexity trade-offs by securing tools without full chamber insertion.

Segmenting the motorized base from the portable drum reduces device weight while maintaining reliable clog clearing performance.

Segmented shrouds and movable doors protect hose reels from freezing while enabling vertical axis rotation for precise manhole alignment.

Cylindrical adapter mount rotates within a tire mount recess to enable rapid wheel changes on inspection carts.

A culvert cleaning apparatus uses rotating arms to expand and contract its diameter for efficient debris extraction.

An integrated apparatus merges pumping and vacuuming capabilities to handle varying liquid content in waste slurry without frequent equipment changes.

A pipeline cleaning platform redirects fluid flow using a fluid interrupter to increase velocity for solids transport.

Single handle mechanism merges propulsion, control, and safety functions to resolve operator hand availability constraints during pipe cleaning.

Embedding the camera in a polyurethane damping mass absorbs mechanical shocks from pipe flow, preventing structural damage while blocking moisture ingress.

A feed mechanism uses a translatable roller to rotate and advance cables within drain pipes.

Segmented actuator members with dynamic rollers enable bidirectional snake displacement without reversing rotation, reducing structural complexity.

A freewheel clutch decouples the drive shaft from the drum to absorb kinetic energy during shutdown.

Wing-like ribs on a plastic nozzle head channel pressurized fluid to generate rearward jets that propel the device forward while simplifying assembly.

Segmented containment isolates microbial contaminants while a flexible inner shaft rotates independently within an outer sheath for efficient drain cleaning.

Lateral deflection of the conveying screw prevents mineral dirt bridging and ensures reliable discharge from sewer cleaning containers.

A drain cleaner replaces rotating drums with a stationary shroud and flexible shaft, preventing surface damage and user injury in tight spaces.

Symmetrical screw conveyors capture material falling through gaps to eliminate prolonged emptying times in pivoting sewer cleaning containers.

A sewer cleaning system recycles water through onboard filtration to reduce fresh water consumption.

A closet auger uses a spring-loaded gripping mechanism to engage and disengage the flexible cable during extension and retraction operations.

A cable decoupler tool uses a cam lobe actuator to uncouple drain cleaner accessories from the main cable assembly.

Sensor assemblies detect rotation and linear displacement to pinpoint blockages, eliminating repeated cleaning cycles caused by unknown obstruction locations.

A sensor assembly and counter identify recurring blockages in drain lines, eliminating unnecessary recleaning time.

Asymmetric nozzles generate thrust exceeding head weight, enabling independent sewer navigation without carrier vehicle dependence.