Clutches TRIZ Cases

A diurea thickener with tuned hydrocarbon group ratios helps CV joint grease cut friction and wear under high loads.

A planetary gear and cam parking actuator uses sensor feedback to stop back driving, confirm pawl engagement, and support diagnostics.

Sensors track torsional moment in an aircraft drive train so adjustable damping and stiffness control can suppress resonance and peak loads.

A mixed friction-and-tooth adapter eases turbomachine assembly, enables axial adjustment, and limits damage during torque transfer failures.

An elastic compensation part removes axial play in a torsional damper, stabilizing frictional damping and avoiding resonance-induced vibration.

A neural network estimates eLSD clutch torque in real time, while physics-based bounds correct locked-state errors and stabilize control.

A preset brake torque holds the gearbox input shaft still, removing drag effects so the clutch slipping point can be estimated accurately.

Different spring contact diameters shift axial force with rotation angle, giving one damper a wider friction torque range without extra radial space.

A multilayer nitride-phosphate-solid lubricant coating hardens spline surfaces to suppress stick-slip vibration under high torque.

Switching between normal and enhanced pump modes stabilizes hydraulic pressure, cuts energy loss, and simplifies multi-consumer valve control.

Dual lock assemblies couple an implement to both the arm and frame, speeding attachment while raising force capacity for high horizontal loads.

Interference-fit attenuation strips and an energy-absorbing core improve driveshaft NVH damping while shifting resonance away from problematic ranges.

A continuous groove and electromagnetic forming help aircraft torque tubes resist axial-load cracking while maintaining torque transfer.

Separate oil passages and annular channels target high- and low-load coupling zones to maintain spindle lubrication and reliability.

A reference tube around the torque shaft enables precise torque sensing while reducing drive assembly length, weight, and integration complexity.

Integrally formed support-plate tracks and rollers simplify centrifugal pendulum assembly while damping torque vibration without external interference.

By identifying clutch tooth phase from actuator feedback and motor position, this drivetrain case enables quieter, lower-wear dog clutch engagement.

Reduced-height female spline teeth create flat top lands for accurate drainage holes, improving lubricant evacuation without sharp edges.

An engineered CV joint boot skirt uses raised bumpers and localized thickness to absorb impact energy, protect the band clamp, and maintain sealing.

Variable current slopes regulate hydraulic clutch pressure near the kiss point, shortening coupling time without making the shift noticeable.

Intermittent oil supply to the forward-reverse clutch cuts drag and slip, while other transmission clutches stay continuously cooled.

Cooling fluid routed through hollow shafts and a sealed coupling passage removes motor heat more efficiently than external cooling alone.

A tiltable cage with inclined track grooves shortens pocket length, easing two-ball assembly while improving joint durability and heat control.

An annular fastener cover shields exposed flange bolts to cut windage loss, add damping, enable balance tuning, and help prevent leakage.

Time-profile feedback resolves ambiguous clutch pressure-path mapping, enabling precise opening, closing, and leakage-tolerant control.

A layered tolerance ring improves heat conduction and retention force between inner and outer members despite thermal expansion and wear.

Adaptive torque-stroke learning updates the clutch characteristic curve to reflect wear and thermal change while limiting slip, impact, and transient instability.

By reusing forming heat for hardening, tempering, and paint drying, this CV joint process cuts heating steps, equipment, and energy use.

Inner-ring lubricant recesses feed rolling elements in tripod joints, reducing wear and extending service life without increasing joint size.

A nitrided undercoat, phosphate layer, and solid-lubricant topcoat suppress static friction rise and stick-slip in sliding splines under torque.

Back-EMF standstill detection lets a garden tool reverse-drive its clutch for freewheeling, reducing clutch stress and easing maneuvering.

Longitudinal access openings and a gasketed cover let couplings be serviced without motor removal while blocking liquids and debris.

A nose-like sealing-face contour holds the gasket during preassembly without adhesive, reducing assembly effort and transport shifting.

A preset brake torque holds the gearbox input shaft still, allowing more accurate clutch slipping point detection despite drag torque.

State-dependent torque limiting balances engine and clutch torque during fuel-cut return, preventing slip while avoiding unnecessary clutch operation.

Temperature-based kiss-point estimation calibrates a hydraulic clutch with less manual recalibration and smoother mode shifts.

Targeted coolant delivery to the spindle outer cylinder cools the gear engagement while limiting scatter onto nearby equipment and rolled material.

An integrated ring and spring washer replace riveted cover plates to simplify torque limiter assembly, cut cost, and reduce noise and vibration.

Adaptive convergence ranges exclude zero-slip learning errors, improving hydraulic pressure correction and lockup clutch slip control.

Diametrically opposed slot openings let the inner ring insert directly, cutting outer ring width, weight, cost, and aerodynamic drag.

Annular grooves define insertion depth in a torsion bar, reducing active length and spring rate variation in power steering.

Matched shaft serrations grip knurled components in tight spaces, transmitting torque without damaging nearby parts.

Laminated and sliding torque transfer bearings handle shaft misalignment while reducing galling, fretting, and wear in PDM transmissions.

An overlapping annular torque limiter layout preserves damper torque limiting while preventing radial growth for a more compact assembly.

Attachable balancing elements on a joint boot can correct shaft imbalance without welding, cutting cost and avoiding heat-affected zones.

A nested friction plate and cutout fastener let the torque limiter and damper assemble separately without increasing radial size.

A spring-loaded disc and asymmetric geometry enable repeatable shaft locking with lower coupling torque while resisting loosening and over-tightening.

A dual-outlet lubricant line through the planet carrier feeds both the spline and sun gear, improving lubrication distribution and wear resistance.

Non-helical threaded segments let a shaft guard fit varying shaft lengths without sagging, large openings, or custom fabrication.

Twist-angle thresholding detects clutch slip more reliably than speed difference in torsion-damped powertrains, improving shift comfort.