Rotating Vibration Suppression TRIZ Cases

Multi-position sensors and active force control identify rotor vibration modes and suppress resonance without reducing operating thrust.

Oil-damped radial movement at the input line rebalances load between dual transmission lines, reducing excitation and stabilizing ratio.

Knock-pin-guided assembly prevents flywheel interference while preserving compact radial size and sufficient torque capacity.

A phasing element places torsion springs in series so they deform in phase, improving vibration filtering without adding radial complexity.

Axially movable tuned mass dampers suppress flywheel ring resonance during launch, cutting bearing loads and frictional damage.

An inertial mass in viscous fluid plus rubber axial supports damps crankshaft torsion and axial vibration while reducing hub stress.

A speed-adaptive absorber placed between series dampers broadens torsional vibration damping across engine speeds without adding more dampers.

A third-yoke magnetic path spreads flux across magnetic viscous fluid to raise shear stress and braking force without enlarging the drive.

Magnetic damping replaces oil in a window covering headrail to maintain stable speed control without leakage across temperature changes and long use.

A magnetic eddy current damper slows and captures a released separation bolt without impact, cutting shock and avoiding crush-cushion refurbishment.

A rolling centrifugal element and cam mechanism smooth radial motion and convert centrifugal force to phase-correcting torque across speed ranges.

A sheet-metal bending spring brakes pendulum mass motion during flywheel assembly, reducing torsional vibration, wear, and noise.

Precisely aligned arcuate raceways keep the rolling mass centered, improving torsional vibration damping and reducing misalignment errors.

A multi-spring, cam-driven damper layout increases clutch disk torque capacity while freeing inner space for other components.

A nested third-plate tubular structure raises torque capacity without enlarging flywheel radial size or degrading torque fluctuation absorption.

A planetary gear damper extends spring travel in a torque converter to cut torsional vibration, NVH, and transmission wear.

Variable-diameter cylinders and constant-force springs deliver compact vibration isolation with large displacement capacity and lower payload acceleration.

A radially movable centrifugal element and cam mechanism suppress torque fluctuations while reducing torque converter axial size.

Axial connecting-member geometry helps a transmission pendulum damper filter torsional oscillations while preventing pendulum mass separation.

Centrifugal and inertial forces circulate oil through the cam damper, cutting pump-driven friction loss and simplifying lubrication.

A pivoted curved support uses superstructure weight and post-tensioning to improve lateral stability and tensile resistance during earthquakes.

A dual-fitting rotor lets one damper switch between one-way clutch support and direct shaft support, cutting parts while enabling two damping modes.

Segmented fixing zones and flexible connecting arms absorb flywheel axial and angular tolerances while maintaining torque transmission.

A third yoke and outer-edge magnetic gap widen flux through magnetic viscous fluid, boosting braking torque without increasing device size.

A radial travel stop limits resilient bumper expansion in a centrifugal pendulum absorber, preventing high-speed strain and damage.

A tuned ring absorber matches blade-mode frequency to boost relative motion and frictional damping in integrally bladed rotors.

A split torque path with a clutch, converter, and elastic damper isolates torsional irregularities and jerky torque from the drivetrain.

A prestressing element keeps cylindrical rollers in constant contact with open tracks, cutting low-speed rattle and improving torsional damping.

By placing the centrifugal pendulum between the flywheel and spring element, this case improves torsional damping without added axial space.

A thermally responsive friction element damps excess pendulum travel at low temperatures, reducing noise without raising engine idle speed.

Fluid-filled chambers move damping action outside the rotating assembly, easing maintenance while improving space use and heat dissipation.

Separate flywheel and ring materials with lubricated bearing surfaces improve pendulum absorber durability while damping engine vibrations.

Excess oil is centrifugally discharged from the damper recess, reducing rolling mass drag while preserving lubrication and torsional vibration damping.

A two-piece insert lets the pulley member rotate during fitting, then locks it in place to cut FEAD vibration noise and prevent dislodgement.

Freely rotating masses on an elliptic trajectory turn oscillating plate motion into continuous torque without an external power source.

A securing sleeve with radial openings lets the damper element interlock externally, cutting wear and simplifying vehicle torsion damper assembly.

A carrier-fixed axial protrusion secures the wave spring washer without tabs, cutting pendulum device manufacturing cost and assembly time.

A separate support member stabilizes torsion springs in a lock-up damper, preserving input member strength and preventing misalignment.

By positioning rolling masses before engine shutdown, this damper keeps the inertia body supported and reduces stop-state collision noise and damage.

Springs and damper inertia are integrated with the gear to absorb torque transients and reduce tooth impacts and neutral rattle noise.

A shaft supporting member placed between planetary elements suppresses axial movement, cutting noise while preserving smooth torsional damping.

Radial prestressing keeps cylindrical rollers in contact with open tracks, cutting drivetrain rattle and improving vibration damping at low speed.

A hydraulic damper sleeve uses fluid-filled cavities and viscous drag to reduce torsional vibration between rotor shafts in aircraft generators.

Eccentric masses driven by an epicyclic transmission damp mast vibrations at rotor-related frequencies, reducing fuselage loads and bulk.

A concentric tube with end damping elements cuts hollow shaft and strut resonant bending without adding the weight of thicker walls or tuned masses.

A model-based estimate of damping medium temperature lets the drivetrain adapt speed and load to cut cold-start noise and fuel use.

A decoupled centrifugal pendulum in a two-stage clutch disc damper cuts inertia and reduces metallic noise during rapid clutch engagement.

A belt-driven flywheel decouples drive and running wheels, enabling precise absorber tuning with lower wear in wet or icy conditions.

A flywheel and torsional damper placed between the gearbox and pump input shaft absorb torque spikes and reduce driveline resonance.

Grease placed on the inner rotating body's facing surface spreads by heat and centrifugal force, protecting the pulley spring space from rust.