Controlled Members TRIZ Cases

Synchronized ratchet pawls manage gear shifts, reducing structural complexity while maintaining robust operation.

An internal reverse inhibitor shaft engages a shift drum groove to resolve assembly instability and reduce component volume.

Alternating cup-shaped recesses form a zigzag structure in the shift fork body, reducing material usage while maintaining high rigidity.

An electronic shifting device uses linear paths and fixing points to guide operator movement for intuitive gear selection.

A shifting apparatus uses a multi-part pin to transfer torque while allowing relative rotation between pin segments.

A single actuator drives an S-shaped cam to move shift rails, reducing component count and power consumption in automated transmissions.

A worm gear arrangement drives an eccentric cylindrical insert to precisely control flexible drive member tension, eliminating manual adjustment errors.

Direct gear engagement automates the shift cam, removing intermediate linkages that increase weight and complexity in multistage transmissions.

A single selector sleeve connects input shafts to coaxial output shafts, reducing mechanical complexity and easing manufacture.

A common gear actuator controls the parking lock device in an automatic manual transmission via a connecting mechanism.

Rolling contact between the shift fork pin and lead groove converts sliding friction to rolling friction, reducing torque requirements for gear shifting.

Axially symmetric functional regions on shift mouthpieces optimize force application angles to prevent jamming during gear disengagement.

An adjustable stop ring sets disengaged axial clearance to resolve manufacturing precision versus cost trade-offs.

Primary silicon crystals in hypereutectic Al-Si alloys strengthen shift forks, resolving the weight versus strength trade-off in automotive gearboxes.

Screw connections with radial play allow adjustable positioning of the shifting fork and jaw on a holder, compensating for manufacturing tolerances.

This shifting arrangement prevents unintended displacement by merging a locking device directly into the positioning element, reducing manufacturing complexity.

A twin clutch transmission shift drum synchronizes dog clutch engagement timing via specific guide groove patterns.

Axle disconnect assembly shifts a sleeve axially via a pivot lever to resolve the trade-off between seamless torque engagement and device complexity.

Removable cover supports shift forks externally to bypass internal installation complexity and enable creep device mounting.

Fixed hydraulic mounting and spring biasing prevent linkage wear-induced misalignment in planetary gear drives.

A shift drum uses cogging torque for gear positioning.

Nested input and output shafts reduce the volume of the varying speed mechanism by at least 38% while maintaining multiple gear ratios.

Segmented wire links replace solid sheet metal to eliminate punching waste and lower manufacturing costs.

An intermediary bearing with rotatable members separates the shift fork from the sleeve, preventing direct surface wear during axial gear movement.

Die cast shift fork integrates oil catch and fin to supply lubricating oil, preventing wear from high speed rotation without additional machining.

A double-contrate-tooth combined fluted disc shifts gears by engaging reduction gear teeth on the output shaft.

A motor-driven cam assembly with a resilient rotary coupling coordinates fork movement in transfer case actuators.

A shift fork actuator uses a helical gate on a rotating sleeve to translate shaft rotation into precise linear displacement.

Dual segmented pistons reduce packaging volume while maintaining force generation in transmission assemblies.

A single shift fork and synchronization sleeve handle reverse and seventh gear movements in manual transmissions.

Clutch assembly switches motor engagement to equalize wear and extend lifespan in dual motor electric axles.

Shifting the electric motor to the rear case side eliminates lateral interference with tie rods, expanding steering linkage movable range.

A forkless synchronizer uses a sensor rail to detect shift collar position without load-carrying mechanical linkages.

A star cam detent mechanism biases a synchronizer sleeve away from ring teeth contact points during actuator failure.

A compact shifting execution mechanism uses hydraulic cylinders mounted along the same axis to drive gear shifters efficiently.