Clutches TRIZ Cases

A hybrid vehicle clutch control system adjusts target input rotation speed to ensure detectable slip rotation during startup.

Internal fluid dams segment a hollow dual splined shaft, directing lubricant through channels to prevent excess buildup and reduce system weight.

Iterative learning control adapts hydraulic pressure profiles in real-time, shortening wet clutch coupling time while preventing torque peaks.

Positioning spline shafts in a columnar plasma avoids the central bulge to control film thickness.

A transmission control unit opens the input clutch to enable vehicle freewheeling.

A vehicle controller determines expected slip direction to set non-zero reactive torque for controlled clutch disengagement.

Direct tubular recess coupling eliminates intermediary universal joints, reducing axial length and vibration in compact devices.

A lock-up clutch control device calculates target torque capacities for acceleration and deceleration flex states to manage clutch engagement.

Segments one-piece pressure plates and friction discs into multiple elements to capture local heat transfer, preventing overheating in automated transmissions.

Progressively closing a second clutch maintains torque delivery during hybrid vehicle pickup maneuvers.

Periodic low pressure control synchronized with speed matching reduces energy consumption from continuous pump operation while preventing engagement shocks.

A dual clutch arrangement couples an output member to separate input members, enabling independent fan speed control.

Electronic control unit sequences fast fill and command pressure raising to engage the lockup clutch smoothly.

A clutch disengagement controller adjusts the rate of clutch release based on brake pedal force to manage automated manual transmission operation.

Radial and axial projections in the JED seal enable controlled fluid flow for cooling and debris removal, resolving heat buildup in spline joints.

A clutch torque estimation method deduces engine transient torque using measured angular speed and static torque data.

Dynamic idling speed control prevents electric power shortfalls and battery wear during sail mode while minimizing fuel consumption.

An elastomer damping part between the brake lining carrier and driver absorbs tilting movements caused by manufacturing errors, reducing noise emissions.

A hydraulic control device manages fluid pressure using an oil pump and sealing valve to engage clutch components.

Segmented elastomeric seals enclose axial gaps in construction vehicle linkages, blocking contaminant ingress while accommodating radial displacement.

A vehicle shift control device adjusts clutch pressure to synchronize input and output revolution speeds during gear transitions.

Diagnostic system records clutch pedal voltage difference during vehicle launch events to verify sensor functionality.

Radial stop sections in the sleeve and shaft journal secure retaining rings against high insertion forces, preventing ring failure while simplifying assembly.

Sensors detect vehicle parameters and trigger clutch disengagement to prevent chain jump without adding weight or cost.

A driveline clutch control system predicts imminent drive routes to estimate expected temperature and switch to critical heat mode.

Automated transmission controller manages clutch disengagement via half-clutch control to enable smooth gear changes.

A clutch control method measures rotational speed to determine angular acceleration for real-time slip adjustment.

A vehicle powertrain uses a controllable clutch and feedback loop to manage engagement based on slip indicators.

Torque intervention prevents bow spring sticking and jerking by maintaining static friction within the flywheel channel.

A motorcycle speed changer control unit signals mode misrecognition through indicator blinking patterns.

A controller determines an offgoing clutch torque profile to limit input torque during power downshifts.

A hybrid control unit adjusts electric motor torque to shift operating points into chargeable regions during regenerative braking.

Corrects T-S curve slope via feedback detection, preventing slip and gear shifting shocks.

A vehicle clutch control method limits open duration during stationary periods to reduce mechanical wear.

An idle stop system prevents engine start failures by delaying clutch engagement until engine speed is sufficient, improving reliability.

Thermostat-triggered clutch control automates frost fan operation, reducing fuel consumption and preventing gearbox wear from manual errors.

Controller monitors engine torque and demand to scale hydraulic control signals, preventing engine stall during high power loads.

A vehicle clutch control system detects slipping conditions and increases transmitted propulsive force to accelerate engagement.

A clutch control method lowers the engine speed threshold during downhill travel to activate the idle speed regulator.

Induction hardening the alloy steel tripod joint spider extends service life by optimizing hardening depth while managing manufacturing complexity.

A marine vessel propulsion control unit delays shift drive actuation to reduce mechanical load on the transmission mechanism.

Controlling clutch slippage allows only usable torque to pass, preventing the prime mover from stalling when wheels are prevented from rotating.

A control device couples sub-drive wheels to central axles based on calculated rotation speed differences between meshing teeth.

Rotational mechanisms align motor unit gear couplings with spool pieces, eliminating repetitive manual adjustments during attachment.

A vehicle control device calculates actual deceleration degree to manage clutch connection states.

A vehicle clutch control device manages engagement states to prevent engine stalling on steep slopes.

Adaptive clutch torque control synchronizes engine speed with input shaft speed to prevent flare phenomenon and reduce shifting shocks.

Bell-shaped coupling flanges incorporate circumferential gaps and transducers to convert mechanical movement into electrical or acoustic signals.