Fluid Actuated Clutches TRIZ Cases

Spring-loaded plungers shift the driveshaft only when clutch alignment is safe, enabling reliable switching between self-propelled and towed trailer modes.

Staged valve current control raises then tapers hydraulic pressure to speed clutch engagement while reducing flywheel contact shock.

A spring-loaded latch lets the coupling element switch quickly between engaged and disengaged states while reducing actuator power demand.

A shiftable clutch lets the flywheel spin up before the ram engages, cutting startup stalling risk and reducing baler drive train weight.

A PLC and solenoid valves vary clutch-package fluid pressure and cooling to enable higher-gear launches and PTO control in transmissions.

Radially nested multi-plate clutches use one-piece sheet metal pistons and compensation chambers to counter centrifugal pressure and save space.

Concentric hydraulic disc clutches let one electric machine vector torque across a vehicle axle with less gear complexity, weight, and drag.

Pressure-controlled shutoff pistons cool a high-speed transmission clutch only during slip or engagement, cutting pump load and preserving fluid flow.

Connected centrifugal oil compensation chambers let a compact triple multi-disc clutch support seamless electric shifting without extra clutch space.

A sheet metal support disc and radially offset clutch packs enable compact hybrid transmission shifting without traction interruption.

A clutch and overlapping band brake let a planetary transmission shift between high and low gears at standstill without spline phase alignment.

Interrupting an in-progress DCT shift and reversing it back to the original gear helps maintain torque flow and smoother off-road shifting.

Electromagnetic actuation replaces bulky hydraulics in a dual-coupling clutch, enabling faster torque transfer and shaft synchronization.

Pins and friction discs synchronize inertias before dog engagement, enabling compact high-torque transfer with lower drag and less shock.

Partitioned brake reservoir chambers and separation walls create zigzag oil flow paths that block air ingress in tight installation spaces.

A hydraulic one-way clutch uses variable friction and accumulators to smooth engagement, cut drag torque, and improve energy recovery.

Noise-corrected Hall sensor signals and peak amplitude tracking improve clutch actuator angular position detection speed and accuracy.

A fluid-controlled clutch decouples the slide-out motor from the drive wheel, allowing safe manual retraction after motor failure.

Separate feed lines let primary and secondary clutch chambers switch independently, cutting delay and hysteresis in vehicle torque distribution.

A piston, bearing assembly, and biasing member shift the clutch collar with pressurized fluid while cutting axle weight and packaging space.

A hydraulic piston, bearing assembly, and spring shift the clutch collar with less mechanism complexity, lower weight, and tighter axle packaging.

A dual-action piston speeds AWD clutch synchronization while a common twin clutch housing cuts width, weight, and left-right torque control complexity.

An inclined lubrication channel below the radial guide bearing improves oil flow, clutch stability, bearing life, and compact packaging.

Interrupted shift reversal lets a dual-clutch off-road powertrain return to the initial gear while preserving torque control in tight packaging.

A ring-shaped outer flow path and multiple supply ports cut pressure pulsation in a rotating shaft oil feed, preventing hydraulic malfunction.

An integrated one-way clutch limits speed differential in an electric drivetrain wet clutch, cutting drag losses, heat, and wear.

A pressure-controlled shutoff piston delivers clutch-pack cooling only during engagement, cutting pump energy use and limiting friction losses.

A band brake and overlapping multi-plate clutch replace spline meshing, enabling stopped high-to-low gear switching with less shift shock.

Series-connected coolant channels cool and lubricate both clutch packs, enabling compact dual clutch torque distribution with lower wear.

A clutch-linked speed shifting shaft replaces bulky planetary gearing to deliver speed reduction and torque vectoring with fewer parts.

A protrusion-and-hole guide fixes press member phase, making friction clutch assembly easier and reducing seal damage risk.

Two-stage hydraulic pressure ramps adapt clutch engagement to speed, load, and temperature, cutting energy dissipation and wear.

A clutched flywheel between side and reduction gears lets a square baler start without stalling while cutting flywheel size and drive-train weight.

Symmetrical short oil paths feed left and right clutch units evenly, reducing torque deviation, oil loss, and clutch wear.

A synchronized hub and clutch pack enable continuous switching from medium to high torque in a limited slip differential without larger pistons.

Integrated sump, central bore, and return passages keep a disconnecting axle compact while supporting higher torque, lubrication, and cleaner pump flow.

Magnetic field amplitude is used to correct off-axis motor angle errors caused by sensor offset and tumbling magnetic rings.

Direct shaft-fed lubrication and gear-integrated clutch discs cut clutch envelope size while supporting rapid, smooth shifting.

Alternate projections and recesses let the elastic member deform around piston grooves, preserving oil cooling and absorbing engagement shock.

A temporary passage to the fluid reservoir lets trapped air leave the pressure chamber quickly without opening the main vent hole.

An intermediate member with protrusions and insertion holes lets assemblers visually align a transmission press member without rotation, easing assembly.

Integrated pumps in the transmission housing replace the flywheel torque converter to supply hydraulic pressure for clutch packs and gear engagement.

Torque reduction and neutral subtransmission shifting let off-road DCTs change between high and low range while moving.

A housing-integrated release port lets the K0 clutch apply chamber vent at higher pressure, limiting deformation without enlarging the hybrid module.

Alternating projections and recesses let the elastic plate deform despite piston radial grooves, improving clutch engagement shock absorption.

Flexible fins and a stop ring stabilize rod coupling in a thermoplastic clutch cylinder while reducing thermal contraction defects and finishing work.

An independently rotating clutch drum and bearing-spacer pressure path cut countershafts, improving CVT packaging and motor placement flexibility.

Adjustable clutch pedal thresholds tailor half-clutch engagement to different operators, reducing galling and improving tractor start-up smoothness.

A force-intensifying multi-chamber clutch actuator raises PTO torque capacity within tight space limits without adding clutch plates or line pressure.

Adjustable clutch pedal thresholds help tractors maintain proper half-clutch control, reducing galling risk across different operators.

Dual hydraulic pistons modulate clutch engagement from steering and wheel-speed inputs to keep traction and wheel-speed balance in sharp turns.

An integrated cast sleeve adds cover connection regions and axial fluid grooves to cut torque converter sleeve cost while maintaining durability.

A dual-piston fast-fill valve cuts pump flow demand while preserving quick, reliable clutch engagement in automatic transmissions.

Overlapping and open clutch tooth regions retain and discharge oil to feed both plate sets evenly, improving lubrication and reducing wear.

A sensor stop and elastic mounting remove air gaps in utility vehicle gearbox clutches, improving position detection and serviceability.

An over-center spring arm and shaft assist a high-load motorcycle clutch, cutting lever force while preserving disengagement and feel.

A radially separated balance chamber offsets centrifugal head force in a hydraulic clutch, enabling reliable disengagement at higher speed.

A partially plastic-coated reinforcement ring strengthens a clutch central actuator while avoiding moulding stress, leaks, and added fastening.

Independent clutch assemblies use adjustable axial spacing to simplify dual-clutch assembly and support different torque configurations.

Larger end-plate spacing lets wet friction plates separate evenly in disengagement, cutting drag torque without added springs or clips.

Conical friction pairs and bearing-guided axial movement cut clutch switching force while keeping torque transmission compact and efficient.

A split clutch member and assist cam keep clutch plates consistently engaged for stable power transmission and reliable engine braking.

A bidirectional pump with two working chambers supplies multiple clutch outlets independently while managing leakage for continued vehicle operation.

A dual-supported clutch shaft with pin and lifter members cuts rotation-induced distortion, improving clutch feel, lubrication, and durability.

A shared sensor reads clutch piston rotation and axial position to track clutch stack wear, predict remaining life, and avoid torque loss.

Through-flow heater raises sealing element temperature above glass transition point to restore leakproofness and reduce warm-up delay.

Integrating turbine shell as radial positioning support eliminates separate components, reducing rotor imbalance and manufacturing costs.

A dual torque bar drum element uses movably mounted backing plates to transmit mechanical power between rotating members.