Fluid Actuated Clutches TRIZ Cases

A plastic plug housing creates dielectric resistance between the clamping contact and metal valve housing, saving space while preventing short circuits.

Bolt-connected piston parts and matched oil holes improve 68RFE clutch cooling, reduce overheating, and raise torque capacity.

Cooling ports, a toroidal piston, and an integrated counterforce housing improve wet brake heat dissipation, drag, and durability.

Radial oil redirector ducts boost transmission fluid flow to semi-dry clutch plates, improving cooling and durability without changing assembly size.

A dedicated torque transmission path protects the cam pin from overload while keeping clutch plates engaged for stable engine braking.

A variable-length bellows stabilizes rear-side chamber volume to limit leakage, cut energy loss, and preserve actuator dynamics.

An inner guiding surface constrains a low-stiffness elastic member during axial compression to prevent coil overlap, damage, and loss of function.

A mechanical holder stabilizes the clutch piston at an intermediate position, cutting friction torque while enabling quicker engagement.

A shutoff piston opens clutch-pack cooling only during engagement, cutting pump energy use while maintaining balance piston lubrication.

Curved wave splines let inner and outer cylinders interlock with low backlash, easier assembly, and reliable torque transfer under vibration.

A stepped closed bore and hollow tube insert improve dual-clutch shaft lubrication while reducing machining complexity and preserving strength.

A lighter modular clutch assembly replaces the heavy direct drum to cut shift momentum loss while preserving torque capacity and durability.

Oil channels in clutch center fitting teeth route oil outward to rotating plates, improving lubrication and reducing wear in motorcycle clutches.

Continuous oil flow through the PTO clutch improves cooling and lamella lubrication while simplifying valve packaging inside the shaft assembly.

Adjustable support cams or shims tune disconnect clutch return spring preload after air-gap setting, reducing stress and preserving release force.

A decoupling element and spring let a dog clutch engage through tooth-on-tooth positions while using actuator angle sensing instead of extra sensors.

Variable forward and reverse torque-limiting clutches absorb torque spikes before they damage the CVT belt and sheave interface.

A split aluminum-and-steel actuator structure cuts clutch actuator manufacturing cost while preserving guide-shaft wear resistance and strength.

Grooved inner and outer friction linings manage lubricant flow to improve clutch cooling, cut drag torque, and simplify plate design.

A piston orifice links pressure and balance chambers so one fluid path can engage and cool a disconnect clutch with less channel complexity.

A modular clutch hub, piston housing, and sprag shaft layout replaces the heavy THM400 drum to cut rotating mass and reduce stress.

Rounded recess walls and an R-shaped boundary disperse clutch piston stress, preventing deformation while supporting lower cost and faster response.

A bayonet-connected retaining ring evens contact pressure on a clutch piston seal, improving sealing reliability and simplifying mounting.

Cold-formed groove and flange shaping cut disc holder weight and bulk while preserving axial extension strength at high rotational speeds.

Radially aligned grooves and fluid openings cut oil flow resistance, improving clutch cooling and reducing drag torque.

Rotational timing during clutch engagement quantifies friction deterioration, enabling more accurate work machine clutch lifetime prediction.

A clutch back part engages the gear wheel under load to improve axial stability, cut bearing load, and reduce disengaged viscous drag.

Latex-coated diatomaceous earth blocks phenolic resin penetration, then burns off to restore porosity for better oil absorption and clutch friction.

A reconfigurable inline drive coupling disconnects baler belts during bale ejection to prevent net wrap scuffing and improve reliability.

Inner pressing tools support oil-groove bottoms during forming, creating steeper dams that retain clutch oil longer and improve plate cooling.

An orifice return flow path cuts hydraulic foaming and pressure fluctuation, helping a clutch assembly maintain precise torque distribution.

Multiple friction surfaces and a lever-driven actuator raise torque transfer while reducing synchronization failure, heat buildup, and clutch damage.

A torsion-guided pressure element keeps the cone clutch engaged until friction wear reaches its limit, avoiding premature disconnect and added sensors.

A valve unit placed near the clutch slave cylinder speeds hydraulic pressure transfer while balancing pipeline layout, maintenance, and packaging.

Stepped clutch pressure holds use pump motor speed feedback to locate the kiss point accurately without added pressure or torque sensors.

A cam-guided plunger keeps the clutch locking element disengaged during shock loads, preventing unintended torque transfer until actuation.

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A check-valve passage compensates fluid expansion only at idle, keeping hydraulic clutch pedal feel and piston position consistent.

Oil channels and recesses in clutch center teeth route oil to rotating plates, improving torque transfer while reducing friction and heat.

Integral gears on a stepped clutch basket cut transmission weight, size, and bearing count for tightly packaged aircraft engine drivetrains.

An annular gap feeds clutch pressure fluid without a manual hose connection, cutting CSC assembly time while maintaining a sealed housing interface.

Ramp-shaped centering ribs keep the clutch slave cylinder piston aligned, reducing wobble, eccentric loading, and seal wear.

Adjustable preload at the clutch spring seat maintains release force, absorbs tolerances, and extends return spring life at high rotational speeds.

A nested restoring spring locks through the pressing element to save clutch space, simplify assembly, and maintain function at high rotational speeds.

A split hydraulic clutch layout places the actuator and valve unit on opposite sides to speed oil pressure response while preserving motorcycle weight balance.

Centrifugal oil flow holes in the clutch center improve plate lubrication and torque transfer while limiting wear and heat buildup.

Shared MR fluid circulation across multiple clutches evens temperature and fluid properties, cutting dissipation and maintenance in high-torque use.

Built-in drum recesses and cut sections form clutch oil galleries without drill position adjustment, cutting machining time and improving productivity.

Blocking and outlet elements shape annular cooling oil flow to prevent swirling and deliver selective drivetrain cooling with stable routing.

A one-piece connector with a constant-diameter bore and retaining spring simplifies clutch pipe coupling while reducing flow resistance and pre-fill needs.