Gearing TRIZ Cases

A vehicle control device manages dog clutch engagement states to prevent meshing member collisions.

A transmission control system detects direction signal changes and compares output speed to thresholds for gear engagement.

Radial cam surfaces on a sleeve disengage drive nuts from the drive screw, preventing jamming when input drive devices fail.

A diagnostic device monitors hydraulic fluid flow and actuator states to determine the ON-keeping status of shift control valves.

Nested reserve tubes and leak grooves recover oil from pressure chambers, maintaining damping force after long inactivity.

An integral flange merges the collar and bearing support on a lead screw, resolving sliding instability under motor torque.

Segmented wave generator members flex the external gear radially, expanding the hollow diameter without increasing the outer casing size.

A torque-limiting wedging system secures loads using an endless screw and toothed wheel mechanism.

Integrated coil spring buffer absorbs impact forces within the lead screw assembly, eliminating complex pneumatic rods that increase manufacturing costs.

A bearing-ramp clutch applies asymmetric frictional damping to a tensioner arm.

An integrated lubricant pump in the threaded spindle creates an oil bath that extends service life by eliminating frequent relubrication needs.

Conical lead screw interface attaches to stepper motor shafts, reducing manufacturing complexity by enabling post-assembly integration.

Integrated distortion detecting unit in modular outer cylinder measures rod load, eliminating separate cables and reducing axis length.

Triangular tuning pocket in a CVT driven pulley sheave controls axial movement via distinct ramp angles.

Rotary electromagnet replaces bulky springs to reduce mass while maintaining reliability under dynamic loads.

Single actuator drives dual ring gearboxes to rotate a synchronization ring, reducing complexity and distortion from high temperatures.

A coaxial linear actuator uses a splined coupler to transmit torque, reducing transverse space consumption and axial length.

Annular lubricant bath coats recirculating balls in the return track, reducing frictional losses and ensuring consistent coverage across all contact surfaces.

A gear spindle uses a puncture area to create mechanical interlocks that prevent slipping during operation.

A tensioner positions a friction device radially outside the spring element to generate damping force through expanded contact.

A stretchable tube actuator integrates a helical spring buffer unit between the nut and drive screw to absorb impact forces during rapid extension.

Mixed generatrix shapes on CVT pulleys prevent slip and compensate for misalignment, enhancing metal belt durability.

Segmenting the release pawl into distinct parts enables multiple releasing operations without increasing device complexity.

Curved tooth tips engage sprocket grooves to support tensile cords in an arcuate form, eliminating chordal pitch line vibration.

A cam lobe wedges a pawl between guide walls to eliminate backlash in disc recliners without tight manufacturing tolerances.

A bent plate on a steering column enables smooth axial collapse of the upper and lower sections during telescopic operation.

Integrated welded supporting parts eliminate complex fastening brackets, reducing assembly costs while maintaining connection integrity under load.

Integrating locking hooks into connecting rods eliminates separate arms, reducing device complexity while preventing accidental door opening during transport.

Segmented spindle with extension piece adapts actuators to unique chassis conditions, avoiding costly redesigns while managing transverse forces.

Annular bent connecting portion links tubular portions via tangential circular arcs to increase inner diameter.

A single actuation device uses electromagnetically controlled locking latches to selectively move a second element within defined displacement ranges.

A single motor drives a screw shaft to translate rotation into linear nut motion, reducing device complexity by replacing multiple separate actuators.

A unitary wedge tool guides stretch drive belts over pulleys using integrated slots and magnetic elements.

A chain tensioner uses a radially deformable setting ring with intersecting tabs to retain the plunger in a retracted position.

A shift control system limits step motor operating speed during low-speed re-acceleration to maintain target gear ratios.

Locking mechanism repositioned inside actuator housing reduces radial force susceptibility while maintaining thrust reverser reliability.

A bicycle operating device uses separate release and pull mechanisms to enable rapid gear adjustments.

Redesigned accumulator plate integrates stress reduction zones and additional fasteners to minimize mechanical flexion under hydraulic pressure.

Merges sensing and tensioning functions into one unit to resolve the trade-off between measurement precision and device complexity in injection molding systems.

A rotation device uses a clutch mechanism to connect and separate rotary plate members based on weight position.

Elastic guide shoe hooks engage ribbed base members from the lateral side.

A cam-actuated gearbox mechanism uses spring-loaded gear blocks to eliminate backlash and distribute mechanical stress across multiple contact points.

Nested damping windings abut torsion coils via frictional contact, reducing harmful vibrations while maintaining compact outer dimensions.

A machined idler key transfers load through shoulders while its protrusion slides in yoke slots to retain spacers during longitudinal wear.

Segmenting power paths via a one-way bearing prevents high-speed pedal rotation, resolving safety risks and control instability in electric bicycles.

A mechanical stroke control device uses a synchronous drive to move a stopper along a carrier path for precise linear positioning.

A rotary motion structure uses an elastic member to enable automatic positioning and ejection of a rotating shaft.

Integrated springs prestress variator frame sections to maintain belt tension, reducing construction complexity and preventing excessive tension drops.

Segmented actuating and locking levers prevent undesirable driving lock while ensuring robust parking security.

A power steering apparatus calculates average steering torque to detect abnormal load conditions.