Gearing TRIZ Cases

Nested flexible gears replace bulky planetary stages, enabling high reduction ratios within thin-wing aircraft cross-sections.

Segmented gear protrusions maintain a detection lever in position longer than single ribs, resolving short period constraints.

Retainer aperture alignment channels lubricant fluid to clutch plates, preventing dispersion delays that damage passive transfer case systems.

A tensioner uses a lateral arcuate spring to maintain drive belt tension while reducing overall height.

Forged axial flat portions on a spring-receiving plug create oil passages within a hydraulic tensioner plunger.

Asymmetric friction torque at the pivot joint improves damping during compression while minimizing energy loss during extension.

Axial preload members bias tensioner arms to generate radial counterforces balancing hub loads, preventing uneven bushing wear and noise.

Dual friction members provide asymmetric damping to reduce oscillations and prevent premature wear in belt drive systems.

An aircraft cargo air delivery lock uses a bell crank and guide means to transmit force through an elastically deformable unit.

Radially movable toothed segments transfer high torque in hollow shaft coaxial transmissions, overcoming low rigidity and robustness limits.

A spring-loaded idler pulley maintains constant belt tension, eliminating the clutch to prevent engine overload during startup.

A plastic nut unit features recesses on its outer jacket that receive a deformed tube section to create a positive-fit mechanical connection.

Adjustable stop mechanism sets tensioner arm orientation, eliminating complex two-handed installation procedures.

A stirrer circulates lubricating oil from a storage chamber to the wave generator bearing and meshed tooth surfaces.

Nested spring components increase sliding bearing distance to improve tilting stability without expanding installation space in starter generator drives.

A hydraulic tensioner uses a preassembled valve unit with a hardened metallic seat and press-fit receptacle.

A hybrid coupling device selects transmission paths between electric and combustion drive shafts to manage power delivery.

A hydraulic auto-tensioner uses a tubular plunger and pressure regulating spring to adjust damping load dynamically.

One-sided chamfers and friction surfaces synchronize rotation speeds before meshing, reducing switching time and preventing tooth jumping.

Optimized stop portion height prevents circulation member damage while a guide portion ensures smooth rolling element entry into the return passage.

Segmented cam-actuated gear blocks eliminate backlash and reduce weight by distributing stress across multiple contact points.

A torque conversion device employs a dynamic transmission element to guide an output element, resolving unfavorable force effects at guide contour vertices.

Underformed first edge teeth reduce stress concentration on planetary rolling contact gears, preventing tooth failure from axial forces.

Rolling bearing members eliminate direct contact between surfaces, reducing device complexity while maintaining functional reliability.

Integrated electric slide rail mounts motor in top rail notch to eliminate brackets and reduce part count for improved stability.

A segmented plunger tensioner design separates the pressing front end from the valve movement restricting portion to ensure structural integrity.

A double-nut ball screw uses a spacer with recesses to secure sealing members during assembly.

A hydraulic tensioner check valve uses a spring tang to retain the sealing ball.

An elastic holding device snap-fastens onto wheelhouse bearings and connecting rods, eliminating tool requirements and reducing waste during transport blocking.

A rotational support member with a bearing cushions the ball nut in rack assist electric power steering systems.

Dual damping members with relative axial movement reduce arm vibration in oil environments, preventing tooth jump.

Hall effect sensors detect cam wheel rotation to compensate for voltage and temperature variations, preventing motor overload.

Segmented engagement allows longitudinal thermal expansion while restricting lateral movement to prevent durability reduction.

A headrest folding device uses a sliding stay rod within a lifting member to achieve compact movement.

A belt tensioner with a locking pin mechanism for single-handed operation.

Independent absorbers on engine and motor shafts suppress resonance across varying inertial masses without complex limiters.

A pivotable laser beam determines pulley alignment without relying on planar surface contact.

A control unit adjusts hydraulic pressure to shift a variator to a mechanical Low speed ratio, restricting speed ratio changes.

Axial profile shifting on flexible gear teeth compensates for deflection-induced coning, enabling rational meshing and increased torque transmission.

A linear actuator quick release mechanism uses an elastic pressing assembly to adjust braking force on a worm gear.

Through-nut sensors measure nut gap distance to prevent instability from multiple lifting columns.

A reducer module with real-time torque sensing routes wires through a central channel, preventing torsion and stretch during postural changes.

A linear drive assembly uses a tapered screw interface to transmit torque through mechanical compression.

Plug-in and slide connection mechanisms join guide device halves via L-shaped hooks to eliminate assembly errors while increasing holding force.

Piezoelectric ceramic drives a plunger via direct mechanical displacement, eliminating gear friction to reduce noise and power consumption in insulin pumps.

Pronged device head guides chain onto gears to resolve manual handling risks of injury and component damage.

Rate-based controller determines follower position on cam lift portion via rotational speed derivatives, eliminating voltage sensitivity to motor variations.

A rotatable locking element with complementary gear teeth secures a shaft hub connection by transitioning between locked and unlocked positions.

A clutch device uses a pivoting lever to reduce cam wear and noise.

A transmission power take-off unit uses a valve member to block lubricant flow when disengaged.