Friction Clutches TRIZ Cases

A wedge clutch uses a single actuator and spring-biased pins to synchronize torque transmission stages.

An air vent hole in the clutch cover channels heated gas away from footrests, resolving thermal discomfort caused by dual clutch transmission heat.

A self-engaging clutch uses friction to convert input rotation into axial displacement for automatic torque transmission.

A friction clutch uses a tangential leaf spring to transmit torque and position the pressing part.

Centrifugal linings disengage the drive shaft at high speeds, reducing frictional losses and noise while allowing automatic switching between 2WD and 4WD modes.

Segmenting the clutch outer into high-strength and lightweight zones resolves the strength versus weight trade-off in transmission assemblies.

A coupling assembly with a friction clutch and differential drive segments the driveline to uncouple unused axles.

A hybrid overrunning clutch pairs a metal outer race with a composite outer ring to reduce weight while maintaining structural integrity.

A baffle tab limits maximum adjustment in a dry friction clutch to prevent over-adjustment damage.

Radial offsets between the spacer and friction lining increase axial flexibility, reducing clutch chattering and squealing.

A composite spring isolating decoupler transmits torque via frictional clutch engagement between hub and pulley.

A vehicle clutch uses conical friction surfaces and radial oil holes to enhance heat dissipation within a compact volume.

A spring connects to the drive plate and abuts against clutch drum crowns, preventing rattling noise from relative movement.

A clutch cam disk actuation mechanism uses scissor levers to convert rotational motion into axial displacement.

Offset bearing devices increase spindle rigidity against centrifugal force deformation, while a pawl prevents back-rotation of the drive pinion.

A friction clutch integrates a test pointer linked to the pressure plate for external visual inspection of wear.

Segmented spring elements compensate for wear without increasing production complexity.

A clutch cover assembly limiting mechanism restricts pressure plate movement to maintain cone spring load characteristics during manufacturing.

A clutch actuator uses an external locking device to secure the force transmission element, enabling rapid installation without internal adjustments.

Direct riveting of the friction lining to the web removes adhesive bonding, resolving manufacturing complexity while maintaining elasticity.

Biasing shoes separate the wrap spring from the output hub, eliminating drag and wear during low-speed differential disengagement.

Storing the boarding ramp in a wing fairing preserves interior volume while suppressing air resistance.

Asymmetric coil spring wire combines semi-circular and non-circular profiles to disperse circumferential stress.

Stationary magnets attract a ferromagnetic armature on the PTO shaft to prevent rotation when the clutch disengages, eliminating friction wear.

A motorcycle clutch device uses tilted pressure plates to amplify engaging force via cylindrical cam protrusions.

Axial carrier extension centers the outer ring, reducing assembly complexity while preventing slippage through enhanced radial strength.

A damper disk assembly uses separate friction mechanisms to absorb torsional vibrations without excessive energy loss.

Residual compressive stresses counteract cyclic operating loads, extending torque converter lifespan without increasing shell mass or manufacturing costs.

A clutch control apparatus generates anti-judder torque to counteract transmission vibrations.

A segmented ring structure transfers torque through interlocking wedge elements that expand and collapse under axial force.

Optimizing the negative rake angle to 1°–2° and chamfer angle to 65°–75° minimizes torque spikes and separating force in high-speed generator clutches.

Ventilation and symmetry grooves expand the heat convection surface area of a friction clutch pressure plate.

Annular axially resilient element clamps lever elements, securing the adjusting device during transport while eliminating complex permanent locking mechanisms.

Integral tab sections join the counter-pressure plate to the cover component, reducing manufacturing costs while maintaining structural rigidity.

A feedback controller applies anti-judder torque based on vibration components detected from a virtual target input shaft speed.

A clutch sleeve guides curved drive springs to enable angular displacement, eliminating spring wear and noise from direct contact with the plate assembly.

Comparing crank and main shaft rotational speeds determines clutch state, enabling engine output adjustment only when engaged to prevent shift shock.

Flat spring plates with spacers in a clutch disk resolve judder from uneven thickness while lowering production costs.

An N-shaped plate spring in a clutch unit prevents wedging in gaps by limiting outside dimensions between oblique portion ends.

Nested pawls and reset springs in a bidirectional ratchet mechanism resolve space constraints while enabling precise seat height adjustment.

Segmenting the clutch basket into a permanent housing and removable lid resolves the trade-off between structural strength and serviceability.

An engine case integrates a removable cover to expose the clutch actuator, resolving maintenance complexity while preserving protection from external factors.

Relay transmission structure enables bidirectional rotary kinetic energy transfer through centrifugal clutch engagement and sliding damping.

A clutch pressure member applies sliding resistance via a slide-suppressing member to suppress rotational vibrations and prevent abnormal noises.

Thixomolded magnesium friction plates replace heavy steel stampings, reducing transmission weight while maintaining structural strength and minimizing porosity.

Spring torque bias maintains spline contact in a vehicle driveline coupling, eliminating idle rattle.

Axial abutment means on clutch lining disc supports constrain elastomeric progressive means to prevent irreversible deformation under overload.

A lubricant composition with a controlled phosphorus to nitrogen molar ratio maintains static friction levels.

Pivoting mass elements in the clutch assembly exert axial thrust to engage friction discs, resolving uneven engagement across rotational speeds.

A segmented pressure plate assembly uses leaf spring tabs to join a constant-thickness base plate and variable-height cam ring.