Fluid Actuated Clutches TRIZ Cases

A non-magnetic ring protects encoder contours from metallic particles, ensuring accurate axial position detection without limiting hydraulic oil flow.

Firmly connecting the actuator to a motor-housing support element prevents relative rotation and stabilizes hydraulic line routing.

Transverse pins in cover recesses secure the housing, eliminating screw space and assembly time.

Axial bores divert flow away from the pack during disengagement, reducing drag losses while maintaining cooling efficiency.

Nested pistons in the master cylinder allow simultaneous clutch disengagement and rear brake actuation, reducing rider distraction during turns.

A wet multi-plate clutch traps lubricating oil within a drum and discharges it to manage heat.

A lubrication valve controls fluid levels in a rear axle drive reservoir using an actuating member linked to an AWD coupling.

Aluminum transmission housing with helical gearing reduces noise and structural stress while maintaining high torque capacity.

Passages through clutch plates allow transmission fluid to flow around separator features, reducing spin losses from trapped fluid drag.

A pneumatic piston actuates a disc spring arrangement to separate the engine from the air compressor clutch pack.

A motor-driven driving member rotates relative to a cover to move a clutch rod via cam surfaces.

A friction clutch driver ring supports actuating forces via a dedicated bearing surface to reduce counterplate weight and simplify assembly.

A switching device cuts hydraulic supply to clutches and gear selectors upon parking lock engagement, eliminating continuous pump energy waste.

A transmission control device manages power transmission mechanisms to shorten switching time between forward and reverse gears.

Hollow end play adjustment element enables interference-free assembly of automatic transmission friction devices.

A transmission clutch assembly combines a dog clutch and one-way clutch to minimize parasitic drag torque during disengagement.

A selectable one-way clutch locks transmission members via hydraulic actuation to minimize relative motion between clutch components.

External threaded adjuster positions clutch pressure plate relative to pack without opening engine, resolving lack of external gap adjustment.

Hydraulic pressure moves a piston to engage the clutch, locking input and output rings to bypass the variator and prevent torque variability.

A changeover valve directs lubricating and cooling flows between two clutches, reducing component count while maintaining individual control.

A clutch piston incorporates a sealed dead space between the hydraulic volume and compensating chamber to optimize fluid geometry.

A clutch priming system prepares frictional elements for engagement before torque delivery begins.

Variable coil spacing in a clockspring damper tailors resonance to lower vibration peaks, enabling efficient clutch lockup at reduced engine speeds.

A multi-function torque converter uses a resilient element to urge the impeller shell toward the cover, closing the clutch without continuous fluid pressure.

A stamped steel clutch hub features a sprayed hard coating on its inner surface to provide wear resistance and sealing integrity.

Individual clutch conduits and valves control coolant flow through the friction pack, reducing viscous drag when disengaged.

A compact drive assembly uses a spring and piston clutch actuation mechanism within the wheel bearing support.

A hydraulic clutch assembly uses fluid shear forces to transmit torque through a submerged disc pack.

A flow regulating valve limits hydraulic fluid flow rate to actuate the clutch, eliminating expensive electronic pressure control systems.

Integral latching elements merge support functions into the disk carrier, reducing structural complexity and assembly time.

An elastic annular ring deforms during assembly to secure the clutch control support on the cover.

An intermediary locking tool supports the canceller plate against centrifugal force while regulating axial movement to ease assembly binding.

An asymmetric piston actuator resolves reliability and complexity trade-offs by segmenting fluid chambers for precise clutch control.

Dual-stage hydraulic boost prevents piston over-stroking while reducing shift times in transmission friction element engagement.

A controller manages torque capacity changes during gear shifts to reduce engagement shock and maintain output stability.

Forged unitary construction eliminates snap ring groove failures in Ford 4R70E transmissions.

A hydraulic clutch assembly uses fluid coupling for torque transmission.

A spring-loaded latch locks the clutch piston via centrifugal force to maintain torque readiness during engine stop.

An asymmetric web membrane absorbs hydraulic pulsations by buckling, reducing pedal tingling without adding device complexity.

Baffles between backing blocks create a tortuous path that shields the inflatable ring, allowing higher power transmission without overheating.