Gearing TRIZ Cases

A CVT control system adjusts the variator speed ratio to maintain optimal operation during vehicle events.

An interior locking assembly applies compressive force to secure a slide-room, eliminating roof cut-outs that cause water leakage and mold formation.

Keying the shaft prevents rotation while allowing axial overlap, reducing packaging size.

A chain tensioner cartridge uses a lip and clip to constrain axial movement within an open housing.

Positioning connecting units at the drive assembly end eliminates complex adapter components, reducing device length and deformation risks.

A roller screw mechanism uses a convex-concave hypocycloid tooth profile to distribute contact pressure across gear wheels and rollers.

An expandable resilient ring engages plunger grooves to prevent rattling during start-up while allowing retraction under excessive chain tension.

A disc-like orifice member with annular grooves and peripheral notches releases trapped air through a central relief hole, reducing assembly complexity.

Threaded tension adjustment mechanisms modify belt force without disturbing alignment, preventing premature wear and power loss.

A vehicle door actuator spindle nut integrates a wiper to restrict rotation within a guide tube.

Nested rotary nozzle heads and staggered drive gears reduce the area of stationary objects while maintaining throughput.

Cranked bearing device compensates for tilting moments from lateral forces, maintaining straight spindle alignment.

Dividing the tension roller into multiple axial parts distributes wear across contact points, extending stretched member lifetime while preventing skewing.

A motor arrangement detects manual indications to assist heavy X-ray component movement, reducing handling forces.

Through-holes replace tap holes in the output flange, reducing machining complexity and device weight while maintaining fastening reliability.

Circular projection fit eliminates press-fitting steps while maintaining axial movement regulation.

A vehicle power transmission unit reduces shift delays by using a single dog clutch to switch torque routes, replacing multiple engagement elements.

An axial arrangement of redundant motorized drive units maintains functionality after single component failures while minimizing installation space.

A surgical resection guide uses a helical dial groove to drive linear shaft movement for precise spacing control.

A split chain guide supporting portion enables independent assembly of the chain guide and conical pulley pairs in a continuously variable transmission.

A motorized golf club transport device uses independent wheel motors and a processor to maintain position.

A tensioner damping device uses a Belleville washer to manage friction torque during belt drive operation.

A plate cover secures the bearing in a linear stepping motor to reduce vibration and noise.

Segmenting the tensioner into interchangeable housings and pulleys reduces inventory complexity while maintaining compatibility with diverse vehicle models.

A sliding door drive uses a pivotable support arm to connect the spindle nut to the door panel.

Ball spline assembly with offset ogival grooves minimizes backlash and friction in CVT driving pulleys.

Segmented combs driven by an eccentric crankshaft enable smooth sliding sash movement over distances exceeding individual comb lengths.

A gyroscopic gear device rotates a body about three axes to generate output power through precession dynamics.

Magnetic retention replaces friction to ensure smooth, load-independent emergency lowering.

A toothed belt uses a non-elastomeric covering layer to enhance mechanical properties and wear resistance.

An image sensor measures user body information to control a lifting motor, resolving the trade-off between fixed handle simplicity and ergonomic adaptability.

A CVT control apparatus calculates radial friction coefficients from axial thrusts and rotational speeds to determine target pulley forces.

Overlapping upshifts and downshifts in automatic transmissions reduce cycle time by preparing shift elements before synchronization points.

Replacing expensive force sensors with a magnetic detection system reduces production costs while eliminating driver injury risks from internal components.

Segmented coupling parts decouple the driving connection along the spindle axis to prevent sudden furniture lowering without complex brakes.

A detent pin secures the elastic cushioning member, preventing insertion damage and assembly complexity.

A hot runner actuator uses a threaded piston driven by an electric motor to translate a valve pin holder for precise molding material flow control.

A drive transmission mechanism uses a shaft with reduced diameter portions and connecting members to support rotation.

Motorized seat posts replace static fittings by using actuators for real-time position adjustments during cycling.

Fluid connections between trim valves and shift valves enable selective clutch engagement in multi-speed automatic transmissions.

A rubber boot fixedly fitted to a cable case outer cylindrical component and vehicle dashboard secures the steering mechanism.

Radial grooves and redirecting actuators lock telescopic seatposts, resolving wear and contamination issues.

A monolithic electric motor shaft uses a threaded nut to lock front bearings axially against the shaft shoulder.

Post-assembly oil filling through housing openings prevents liquid film interference during cover joining, enabling reliable sealing and efficient absorption.

A chain guide reinforcing unit aligns plate and spacer through holes to distribute load across mounting shafts.

An adjustable operating device regulates retraction speed via a torsion spring, preventing injury from rapid movement.

Integrating a piston disconnect device into the differential case reduces complexity while maintaining vehicle speed flexibility and power transfer efficiency.

A chain tensioner recycles leaked oil through a plunger leak groove and supply chamber to maintain damping force.