Toothed Gearings TRIZ Cases

A nutation reducer uses a power-split layout with symmetric gear pairs to double output torque while maintaining compactness.

A bushing-free epicycloidal gear assembly uses a smoothly curved planetary gear inner surface to directly engage a monolithic worm gear stem.

Segmented planetary gear trains with dynamic clutches enable speed ratios below 1.2, resolving the complexity bottleneck of conventional single-stage systems.

A driving device uses adjustable bearing cases to support rotating shafts while suppressing excessive force.

A selectable one-way clutch integrates with a multi-plate arrangement to manage torque transfer across forward and reverse gears.

An intermediary component prevents radial contact between the rotating worm and bearing recess, eliminating abnormal sound generation.

Integrates worm wheel and output shaft with internal ribs to reduce gear housing thickness while maintaining strength.

A control unit corrects angular sensor output values using reference data to ensure accurate shift drum positioning.

A gear housing power take-off transfers spindle movement to optional equipment via a planetary wheel holder.

Reverse dog clutch manages rotational speed differences between main shaft components, reducing engagement shock and noise during low-speed travel.

A composite wave gear drive uses a shared flexspline and dual wave generators to achieve precise speed reduction.

An actuator rod with an eccentric pin converts motor rotation into axial clutch sleeve movement for precise gear engagement.

Spring-biased shift drums allow direct low-to-reverse shifting, eliminating sequential alignment delays and reducing operational time.

A planetary gear train design achieves linear shift stage ratios through interconnected control elements.

A multi-speed gearbox shifts gears via forks to disengage the motor from the saw blade.

A gearbox calibration system uses pulsed actuation and sensor feedback to align gear selector positions for precise engagement.

A single motor dual-motion actuator uses a rotating pin to drive two independent seat components through cooperative engagement.

Friction members divert torque to equalize rotational speeds, eliminating shock and kinematic blocking risks during gear changes.

Asymmetric cam grooves enable smooth shifts during acceleration and deceleration by releasing fitting means naturally.

A gearbox uses a mechanical cable system for rapid gear shifts without driving force interruption.

A controller selects engagement combinations in an automatic transmission to optimize gear shift operations.

A dual clutch transmission uses a planetary gearset to switch between two ratios, doubling forward gears in one subtransmission.

Five planetary gear sets and six engaging elements achieve ten forward speed stages, reducing drag loss while maintaining a gear ratio span greater than 10.9.

Opposing drive gears eliminate worm wheel rotation and gear backlash, suppressing abnormal noise during vehicle height adjustment.

Rack gears with variable pitch meshing adjust tightness for standard paper sizes to reduce mechanical play in front-loading image forming apparatuses.

Segmented pawls and a rotating cam eliminate clearance between components, ensuring strong engagement force and preventing unintended seat back angle changes.

Integrally formed powder metal ring gear with overlapping mounting portions and teeth.

A semi-power split hybrid transmission combines Electric Variable Transmission modes with fixed gears to optimize engine efficiency.

Curved tooth flanks on injection molded plastic bevel gears transmit torque between offset shafts, compensating for positional deviations to simplify assembly.

Shortening motor shafts and consolidating gears into a single level eliminates shaft trembling, enabling precise scanning member movement.

An automatic transmission control unit manages engagement mechanisms to prevent reverse rotation during forward drive shifts.

A four-planetary gear transmission system uses shared rotary elements and friction members to achieve multiple forward shift ratios.

A multi-stage planetary transmission uses a shift mechanism to move the first stage ring gear between fixed and co-rotational positions.

Nested lead screws adjust treadmill incline without increasing device height or footprint.

Spring biasing limits longitudinal gear displacement, reducing tilting misalignment and extending component life.

Replacing bulky servo mechanisms, the clutch uses a smart material band to contract a brake band, reducing packaging space while maintaining rotational control.

A segmented planetary gear system converts rotating motion into linear motion, reducing mechanical wear and instability at high RPMs.

Inclined rollers match the inner peripheral surface of a flexed wave gear to eliminate deflection and improve angular transmission precision.

A planetary gear reducer uses a V-shaped flexible cylindrical support to maintain alignment stability.

Movable gears shift via an actuator to optimize cutting speed and torque, reducing battery consumption.

A transmission spacer spans rotary bodies and forms linear guide running surfaces.

Parallel countershafts and segmented reverse gearing reduce axial length in dual clutch transmissions without restricting speed ratio flexibility.

An electric ball screw mechanism replaces high-friction gear racks to prevent leakage and reduce user fatigue during viscous material dispensing.