Mechanical Suction Control TRIZ Cases

See how motor input power adapts to inlet restriction by measuring pressure and airflow instead

See how a rotor with spiral opening and blocking part overlaps with a drum casing slit to conce

See how a movable shielding member enables a vacuum cleaner module to suck edge-region dust thr

See how a dual-inlet nozzle with rotatable rear-facing suction enables debris collection during

See how a distance adjustment device with inclined slopes and interval protrusions resolves the

See how an automatic flow control valve regulates suction to pool cleaners across variable pump

See how segmented unit mats with standardized connections enable on-site size customization wit

See how a dual-inlet vacuum nozzle with removable inspection hatch enables internal duct access

See how a friction-driven movable block inside the nozzle cavity automatically adjusts suction

See how a movable valve directs airflow between nozzle and handle connections, enabling floor-n

See how repositioning the vacuum tube exit away from the negative pressure source reduces turbu

See how a vacuum cleaner assembly divides into two pivotable suction arms that rotate up to 90

See how bypass air flow paths in a vacuum floor nozzle reduce throttling and pushing force on d

See how a controllable motor bypass adjusts cooling airflow dynamically, reducing flow resistan

See how a movable frame and air hole mechanism in the suction portion adjusts contact and sucti

See how a leading roller and brush roll work together to prevent debris snowplowing and suction

See how a rotatable duct and friction seal enable a vacuum tool to nest on the cleaner body, el

See how a movable valve directs airflow between nozzle and handle ends, enabling floor nozzle a