Clutches TRIZ Cases

A clutch engagement storage device detects vehicle acceleration changes to time parking brake release.

Spring-loaded balls in a driveline joint shift engagement states to manage NVH and energy transfer across varying torque levels.

Integrally formed gear sections and a channel-shaped seal body expand within the peripheral gap to prevent leakage at high rotational speeds.

A dual clutch transmission adjusts torque capacity between clutches to enable smooth gear transitions during vehicle starting.

Segmented helical elements accommodate angular misalignment and axial translation while eliminating oscillatory frequencies during high-speed operation.

Direct torque sensors replace map estimations to eliminate accuracy errors, ensuring smooth uphill launches.

A dual clutch transmission control device learns transmission torque by generating engine torque changes through controlled clutch engagement states.

A drive train starting component transitions to a slipping state based on output shaft speed deviations.

A propeller shaft uses a rubber stopper to absorb vibrations and limit tube sliding during normal operation.

A hybrid module clutch control unit adjusts engagement torque based on road friction to prevent wheel slip during engine start.

Sensors monitor clutch piston and pedal positions to block gear shifts until full disengagement, preventing gearbox damage from incomplete clutch operation.

A control device selectively activates shifting element interlocks to balance hydraulic energy use with gear engagement speed.

A clutch control method transitions torque smoothly during vehicle creep to launch phases.

A control method selects the less worn clutch for vehicle launch to balance friction accumulation across dual clutch units.

Hall sensors detect magnet positions on a coupling member to measure alignment errors without introducing rotational imbalance.

Distinct clutch disengagement thresholds prevent unintended cancellation during bumps while maintaining riding comfort and avoiding engine stall.

Helical face splines reduce backlash, vibration, and noise in drive-wheel arrangements while maintaining reliable torque transmission.

Control circuits generate open-loop braking signals to arrest actuator motion, resolving the trade-off between manufacturing cost and haptic effect precision.

A controller calculates average pump motor torque and slope to detect hydraulic system charge status without pressure sensors.

Electronic clutch control modulates torque capacity to suppress torsional vibrations in vehicle drive systems.

A dual clutch transmission shift control method calculates target transfer torque based on input shaft speed change rates to manage gear engagement.

A sequential start clutch system staggers auger engagement to reduce peak startup torque loads.

A roller cage wiper moves lubricating medium toward functional locations adjacent the rollers to maintain controlled braking torque.

A clutch control method uses an interim slip state to determine pressure-torque characteristics for precise gear shifting.

Nested inner shafts with damping elements filter torsional vibrations, reducing inertia loads while maintaining structural strength.

A clutch actuator control device uses upstream and downstream hydraulic pressure sensors to select stable detection signals for feedback loops.

A control system adjusts clutch pressure in a continuously variable transmission to manage torque transmission.

A single solenoid valve manages clutch switching and line pressure adjustment within an automatic transmission hydraulic system.

A hybrid drive apparatus coordinates motor speed and clutch engagement to initiate engine rotation during vehicle operation.

Conical oil press fitting coupling device with securing means and friction coatings.

A light alloy constant velocity joint cup features a ceramic or cermet high hardness layer on its inner surface to improve wear resistance.

A hybrid vehicle drive control system manages clutch engagement to maintain continuous torque transfer during mode switching.

Hydraulically actuated clutches synchronize rear axle speeds, eliminating blocked shifts and complex packaging found in dog clutch systems.

A clutch burst prevention method manages non-drive input shaft RPM by swapping drive and non-drive roles during gear actuator faults.

Curved guide plate surfaces conform to ball geometry to reduce surface pressure and suppress rattling in telescopic shafts.

An adaptive clutch capacity model dynamically adjusts pressure based on real-time speed differences to eliminate torque holes during disengagement.

A grommet seals a vent hole in a constant velocity joint cover to route internal air pressure into a protected shaft passageway.

Oscillating current drives electromagnetic valve spool reciprocation to prevent sticking at low temperatures and ensure rapid engagement response.

Axial crash forces can drive the inner hub into a hollow shaft; a reinforced lid engages it early to shape deformation and limit occupant acceleration.

A vehicle all-wheel drive clutch control system adjusts slip speed to optimize power transfer efficiency.

Segmented lubricating device with universal connectors simplifies alignment and ensures consistent circumferential lubrication for telescopic shafts.

A driveline disconnect clutch adjusts hydraulic pressure based on engine pull-up torque to pre-position plates for rapid closure.

A vehicle start control system computes lock-up clutch engagement force using engine rotation speed signals instead of torque data.

Crown spline drive plate transmits torque between non-aligned axes while thrust faces manage axial loads during angular misalignment.

A hydraulic component uses a piston and cylinder with a pressure ratio mechanism between control and fluid chambers to switch between closed and open positions.

Controller adjusts clutch pressure via accelerometer data to counteract inertial effects on the regulating valve, reducing turbine flare during shifts.

An elastomer body connects two toothed elements to exert restoring torque and align the spline system.

Pre-filling clutches with oil under pressure via solenoid valves eliminates delay between shift commands and actual engagement.

Segmented outer race assembly with a movable piston and perimeter seal reduces lubricant quantity while maintaining plunge capability for vehicle installation.

A segmented spacer ring with a cut portion absorbs thermal deformation differences between the shaft and center bent tube, preventing wear during insertion.