Gearing TRIZ Cases

A coil spring friction device eliminates holding current consumption by passively locking the actuator during power failures.

Segmented pressure lines with dedicated draining valves minimize pressure drop and shorten reaction time while maintaining redundant safety control.

Segmented chain transmission with intermediate gears connects crankshaft to camshaft, resolving torque mass trade-offs.

A dual backlash tensioner adjusts ratchet engagement dynamically to maintain consistent chain drive force.

Helical thread segments expand under resistance to prevent damage while annular barriers provide end-of-travel clutching.

Increasing engine torque during CVT gear shifts compensates for driving force drops, eliminating shift shock and negative acceleration.

An elastic device stores energy in the slave arm mechanism to assist motion, simplifying structure assembly and expanding application range.

Segmented tube members match ball screw lead angles to resolve friction issues and simplify manufacturing processes.

A vehicle power transmission unit uses a dog clutch to switch torque routes between a continuously variable transmission and parallel gear trains.

Segmented housing and sliding seals protect the ball screw-nut mechanism from dust, simplifying design while ensuring reliable operation.

Outer bearing absorbs axial forces from helical sun wheel teeth, reducing stress on basic gearbox bearings.

A passive transverse extensometer uses linear optical encoders to track sensor arm positions on vertical tracks.

A CVT control device equalizes line and secondary pressures using feedback mechanisms to maintain optimal belt clamping force.

A bent stopper with a rotatable handle retracts the tensioner plunger.

A tensioner arm expands a damping element against a brake drum via a helical spring, reducing pivot bushing stress and manufacturing costs.

Compound tooth profile with modified pressure angles increases torque capacity by preventing ratcheting under high load torque.

Asymmetric operating portions enable easy elastic ring enlargement without protruding into the engine compartment.

Synchronized counter-rotating eccentric elements amplify rotational drive via pendulum cross-thrusts, recovering energy to offset mechanical stress.

A drive system uses a summation gear and energy store to manage bidirectional power flow between motors and transmission.

An elastic cover in a foldable programming apparatus automatically opens and closes during chip insertion, eliminating complex forcing devices.

A pendulum support links eccentric tensioning rollers to pivot the slack side roller under load, reducing installation space and assembly complexity.

An electromechanical actuator uses an electric motor and ball screw drive to extend or retract aircraft landing gear.

Actuator incorporates a lock preventing unit to restrict nut retreat and rotation within the electronic brake system.

Processor-driven lead screw rotation aligns split nut threads to eliminate infusion delays and excessive fluid delivery during syringe replacement.

Acute angle bisectors on modular guide rail components minimize vibrations and simplify assembly for larger internal combustion engine chain drives.

Relocating the ball return path to an inner concaved groove resolves the conflict between reliable circulation and restricted outer geometry freedom.

Beveled drive gear protrusions engage clutching members via resilient elements to transmit kinetic energy in both directions without mechanical interference.