Clutches TRIZ Cases

Circulating oil through the coupling keeps spline joints lubricated, reducing grease degradation while improving wheel drive durability.

Integrated recesses and transverse channels route leakage oil through the shaft-hub connection, cutting hydraulic drive length and assembly complexity.

Friction is estimated from actuator transmission delay, letting clutch control compensate drive current for faster engagement and release.

Reference braking on the drive wheel smooths the brake-to-drive handoff in motorcycle adaptive cruise control, reducing shock and rider discomfort.

Torque is inferred from clutch slip speed difference and control pressure, cutting sensor cost and drivetrain complexity in agricultural tractors.

Pre-limiting engine torque with clutch and brake slip control helps vehicles start more stably on snow or ice without excessive wheel spin.

Continuous hydraulic oil flow through the coupling chamber replaces displaced grease, cutting wear in compact pump assemblies under demanding duty cycles.

A modular kit couples drive, transmission, and control units to build reliable motor vehicle actuation variants with lower complexity and cost.

Press-fit sizing and capacitor discharge welding align assembled shaft elements to resist torsion, bending stress, and corrosion.

A PTO spool routes leakage oil from brake and clutch circuits to bearings, maintaining constant lubrication despite pressure and temperature changes.

Gear-specific clutch engagement depth improves multispeed transmission shift speed while preserving torque transfer for higher-load gears.

A non-metal elastic gear module combines gear reduction and spring compliance to shrink actuator size while enabling adjustable rigidity and precise torque sensing.

Earlier cranking pressure replaces waiting for full pack-clearance timing, speeding clutch torque transfer and vehicle output response.

Coordinated clutch engagement and driving-source torque control smooths vehicle launch and acceleration while helping prevent engine stall.

Dual constant-velocity joints increase axial sliding during installation while limiting ball travel to protect stop rings and improve durability.

Higher release-side oil pressure and MG2 torque during auto-driving downshifts cut acceleration retraction and avoid prolonged shift discomfort.

An annular spring ring in a toothed shaft-hub brake connection removes play, suppresses speed-fluctuation noise, and stays stable at high temperatures.

Built-in wire harness channels and a sealed cover plate protect e-brake wiring from moisture and damage while simplifying aircraft brake assembly.

A sealed harness channel inside the e-brake actuator plate protects wiring from moisture and physical damage while maintaining aircraft connectivity.

Selective PTO clutching lets one electric machine power both the transmission and accessories at standstill or in reverse with lower system complexity.

A dog-clutch axle disconnect lets an EV be towed without backdriving the motor, protecting the powertrain and avoiding flatbed-only recovery.

Accumulator position sensing reveals fluid loss and abnormal pressure changes in a closed vehicle hydraulic circuit without added leak sensors.

A sealing member and air discharging groove block through-hole airflow and redirect pressure to prevent outboard boot deformation.

Pre-adjusting rotary element speed lets the motor start the engine without extra clutch state changes, cutting hybrid mode transition time.

Dynamic clutch stroking uses vehicle and impeller speed signals to cut fuel use, wear, and torque disturbance in hybrid driveline engagement.

Multiple axial damper stages absorb rotational vibration while reducing transmission length and preserving low stiffness for better NVH.

A bellows-coupled adapter absorbs shaft length changes from temperature swings while a sealing ring preserves alignment and oil tightness.

A standby power switch keeps the electromagnetic clutch engaged after low-voltage battery failure, avoiding hybrid vehicle breakdowns.

A tandem pump and separate hydraulic paths enable reliable K0 clutch actuation while boosting electric machine cooling in a P2 hybrid drive.

Delaying heat engine braking until battery recharge is saturated preserves deceleration torque while cutting fuel use and CO2 emissions.

A separate stopper part restrains shaft movement without shifting the joint member's gravity center, enabling accurate seal surface machining.

Speed-based motor temperature thresholds switch the clutch earlier during deceleration to improve regenerative energy recovery.

Dual shear dampers with staged backlash suppress 4WD resonance and tooth hammering noise while maintaining high torque capacity.

A bi-stable disconnect clutch uses traction motor winding power to keep a default open state when the primary source is unavailable.

Rotor speed is synchronized with clutch speed, then torque is limited near engagement to prevent unintended vehicle motion during axle shifts.

Axially aligning the centering seat with the rotor shaft bearing cuts drive shaft deflection, bearing load, and noise in vehicle e-drives.

Conductive-element sensing tracks cardan shaft slip distance in real time, improving telescopic compensation under changing axle movement conditions.

A hydraulic diverter lets one handlebar lever alternate brake and clutch actuation, improving modulation while reducing hand injury risk.

Selective clutching lets one motor drive traction and another power the PTO, improving off-highway driveline efficiency without oversized motors.

By detecting a de-stroke signature before clutch closure, this case reduces hybrid driveline torque disturbances and engine-on time.

During coasting deceleration, the controller skips driveline reconnection when timing is too short, reducing fuel use and drivability issues.

Calculated valve flow and pressure-drop compensation improve clutch pressure control for smoother, reliable gear changes in compact transmissions.

A boot lip creates a labyrinth path that blocks contaminants from the bearing while allowing lower seal overlap to cut drag torque.

Generator current, voltage, and torque patterns detect slip events and coupling surface degradation without rotor speed sensors or visual inspection.

Different lubricant compositions in separate sliding portions remove static charge while keeping lubricant aging visible by color.

A rotary generator inside the cardan shaft powers sensors to detect wear, torque, stress, and misalignment before transmission losses grow.

A clutch lets one motor switch between propellers and wheels, cutting UAV weight, energy use, and complexity for stable UT scans.

Pressure-based torque lead estimation lets the motor offset clutch delay, smoothing hybrid mode shifts and preventing unwanted acceleration.

Real-time clutch temperature prediction avoids overheating during kick-down shifts by changing shift stage and limiting engine torque.

Dynamic left-right clutch torque control prevents slip and stabilizes EV behavior during deceleration turning across drive modes.

Pressure-based shift-time diagnosis detects accumulator charging valve faults in an automatic transmission hydraulic circuit without extra sensors.

An annular clamping mechanism secures a sealing element on a smooth shaft without recesses, reducing contaminant traps in hygienic pumps.

Opposed lip slopes let lubricant reach universal joint seal lips to cut wear while limiting leakage and contamination at high temperature.

A diurea grease with benzotriazole and phosphate additives protects CV joints from wear and flaking under high contact pressure.

A directional seat valve integrates a check valve to manage hydraulic pressure in automatic transmission shift elements.

Integrated sealed bearing housing eliminates continuous lubrication systems, reducing space consumption and preventing environmental leakage.

An electro-hydraulic controller alters fluid flow paths to bypass single fault failures in multi-mode transmission valves.

A hybrid drive train clutch transmits slip torque to synchronize the internal combustion engine with the electric machine during starting.

A control device calibrates the grinding point of a hydrostatic transmission clutch using hydraulic pump response data.

A constant velocity joint stopper portion reduces in thickness to vent pressurized gases from the assembly.

Wave springs and dampers in a wide angle joint absorb reverse input shocks, reducing vibration and wear on the plate and coupling yoke.

Parallel towing pumps and pressure-controlled valves ensure continuous lubrication when the primary drive pump is inactive.

A vehicle control device uses slope detection to automatically disengage the clutch and select an appropriate gear for engine restart.

A clutch control unit adapts torque characteristic curves using real-time friction temperature data to maintain precise actuator positioning.

Dynamic line pressure control reduces power loss in hybrid vehicles by optimizing hydraulic pressure for clutch disengagement and engagement.

Disengaging a secondary clutch allows the front axle to tow the rear frame, resolving the trade-off between towing stability and self-righting maneuverability.

A transmission control module adjusts hydraulic pressure based on the engagement degree of a connection mechanism.

A demountable hub connection uses half-shells with hard particle coatings to create indirect micro-serration for torque transmission.

A hydraulic circuit control valve boosts line pressure to prepare the transmission start-stop function for immediate engine restart.

An adaptive jerk limit controller filters target torque to prevent vehicle launch shocks while maintaining tracking accuracy.

A controller generates clutch fill commands synchronized with oncoming clutch speed profiles to manage engagement timing.