Yielding Coupling TRIZ Cases

Direct spring-to-metal torque transfer removes supporting seats to cut spring-end wear, reduce hysteresis, and preserve damping quality.

A movable coupler and coupling frame absorb eccentric runout, preserve clearances, and reduce friction to prevent strain wave gear jamming.

Radial screws lock and unlock splined turbomachine shafts through external access, enabling module separation without opening the lubrication enclosure.

Conical mandrel features guide braided fibre tows around hole locations, preserving strength and torque transfer while improving manufacturing speed.

Angled spline grooves absorb torque peaks in ESP shaft connections, spreading stress to reduce breakage and downhole maintenance downtime.

Stiffening caps and dowels reinforce flexible sleeve teeth to raise torque capacity under shock loads without sacrificing misalignment flexibility.

Conical mandrel geometry routes fibre tows around hole locations during braiding, avoiding fibre breakage and preserving composite strength.

Guide portions with varying protrusion heights steer coil springs under centrifugal force to cut hysteresis torque, noise, and damping loss.

Post-finishing heat treatment smooths gear toothing and, with an elastomer split-body structure, cuts NVH while extending tool life.

Differential hardening, vapor deposition, and cryogenic treatment help X-joints resist dynamic loads, control wear, and retain lubrication.

A grooved radial wall and reinforcing rib help a transmission joint bellows absorb shaft angle misalignment without blistering or early wear.

Oppositely inclined arc track grooves keep balls engaged at large operating angles, preserving force balance, durability, and quiet torque transfer.

A corrugated elastic joint lets helicopter stators tilt while transmitting torque, reducing articulated parts, weight, and structural complexity.

Axially offset spring elements let a coaxial shaft coupling transmit torque with high torsional rigidity while allowing large axial stroke and low lifting force.

A center-shaft vent path equalizes CVJ pressure, limits water and contaminant ingress, and reduces seal wear in drivetrain joints.

An elastic member preloads the engaging element to suppress output-member looseness, positional deviation, and abnormal clutch noise.

A single spring-loaded coupling element replaces multi-tab assemblies to transmit torque both ways with less space, cost, and assembly complexity.

A 3-DOF tie rod and adjustable length let this coupler transmit rotation between inclined, non-collinear shafts without fracture.

A tuned carbon range and hardened layer depth improve tripod joint leg shaft durability under torque while preserving forging formability.

A carburized leg shaft with 0.23%–0.44% carbon steel and hardened depth matched to shear stress improves tripod CV joint durability without longer carburizing.

Longitudinal webs and disk packs raise torsional rigidity while compensating shaft misalignment for reliable wind turbine torque transmission.

Nested disc coupling bodies replace long intermediate shafts to save axial space while preserving stiffness, torque transfer, and lower drivetrain weight.

Alternating zero-offset grooves and a cylindrical inner surface cut heat and let the cage slip to absorb impact loads.

A grooved inner sleeve and resilient outer tube absorb rotational vibration, resist torque squashing, and maintain shaft alignment.

A split base and shaft attachment member enables rotational phase adjustment through a long hole while keeping restoring force off the slip-prone fastening path.

A quill shaft, locking flange, and radial limiter manage axial and angular misalignment between gearbox shafts while reducing maintenance.

Elastic pads in toothed steering coupling pockets remove play during assembly, cutting motor oscillation, wear, and steering wheel vibration.

Oblique three-swivel joints let an eVTOL thrust unit tilt inside a small nacelle, preserving load paths, enclosed operation, and low drag.

A polylobed lock prevents shaft backdriving while preserving bidirectional torque transfer and avoiding large, costly anti-backdrive mechanisms.

Rolling pins in curved contact paths transmit torque between offset shafts with lower friction, fewer bearings, and higher stiffness.

Three aluminum clamp segments and a steel band secure the CV boot seal while preventing abrasion, grease leakage, and angle interference.

Conductor loops on the enclosure inner surface break electrical continuity when a shaft shifts, enabling early misalignment alarms or shutdown.

A spinning process forms a closed hub with a blind hole from a solid circular blank, cutting cost, material use, and machining.

A two-part transmission keeps torque transfer engaged even when the valve shaft shifts axially during rotation, improving automatic valve operation.

Pre-machining an annular groove before milling prevents burrs, removes deburring steps, and helps expel leaking oil in gear motor parts.

A rigid ball-in-socket fixation mechanism improves torque transfer, screw retention, and force control during multi-angle screw insertion.

An inclined guider and pusher move the boot and sealing ring onto the inner race, preventing boot damage during CV joint assembly.

Elastic positioning members and a sleeved damper cut engine-fan torsional vibration while maintaining coaxiality and fan connection stability.

An axial pin and pointed pointer make barrel coupling wear limits visible from front or top views, even in dusty, tight spaces.

A preloadable torsional spring and integrated roller jammer transmit torque in tight spaces, then divert overload to an external structure during jams.

A splined sleeve, flange, and C-clip layout helps aftermarket transfer case yokes match changing OEM parts while maintaining torque transfer.

Direct friction welding joins the shaft to a disk-shaped flange, cutting flange weight, cost, and custom sizing in torsion-elastic cardan joints.

A keyed ring flag and locating features align the steering shaft in the yoke, preventing false assembly without special tools or extra machining.

Channels and projections lock resilient members in coupling recesses to prevent vibration-driven displacement and preserve torsional damping.

Staggered abutting and evading portions in the socket let the driving member pivot smoothly without sticking under high torque.

Snap-on or press-fit weights on a boot can correct shaft imbalance without welding, reducing cost and avoiding shaft weakening.

Localized hardening and optimized root geometry improve contact durability and torsion strength in a double-roller tripod CV joint.

Overlapping crossed elastic joint elements give a ball-joint-like mechanism more uniform stiffness across three rotational degrees of freedom.

Oblique links transfer torque in compression to handle rotary misalignment, reducing wear, friction, and assembly difficulty.

Oppositely inclined cross track grooves keep torque balls in contact at large operating angles, improving CV joint efficiency and durability.