Noise/Vibration Control TRIZ Cases

Segmenting the gas volume with a pressure-activated closure element limits pedal travel length while maintaining reliable damping effectiveness.

A piston manufacturing device forms an annular groove and a thick section to stabilize the contact surface area.

Elastic spacers and damping rings on the armature disk prevent direct coil core contact, reducing impact noise during braking cycles.

Tangential preload spring reduces transverse clearance between brake pad and carrier, eliminating knocking noise from kinetic energy release during gear shifts.

Segmented fin grooves lower aerodynamic noise while maintaining cooling performance under high-speed thermal expansion.

Basket sanding roughens pad springs to enhance coating adhesion, resolving defects from smooth surface preparation.

A guide pin with a variable radius stem minimizes contact area, reducing metal-on-metal noise and vibration in disc brake assemblies.

Friction pad relieved portions target resonant modes to reduce brake squeal noise.

Inclined rib side walls detune the vibratory system to reduce squealing noise while maintaining mechanical strength.

Pinned joint linkages eliminate bending modes in brake calipers, preventing modal excitation that causes squeal without adding mass.

Support members on a bracket unit prevent tooth disengagement of belt gears, reducing noise and vibration during torque transfer.

Double sleeve damping reduces electromagnetic brake release noise by using elastic deformation of nested stamp parts to absorb impact energy.

Segmented elastic arm increases spring constant under high load to suppress striking noise and stabilize performance.

Elastic resetter inside brake piston returns the component to its starting position, eliminating seal gap extrusion and reducing noise.

Curved pressure plate edges allow locking pieces to float and displace smoothly without biting into the shim plate structure.

Integrating damping into the holding frame eliminates separate cushioning components, reducing assembly complexity while minimizing operational noise.

A piston guide ring enables axial armature movement within an electromagnetic brake assembly.

Segmented trapezoidal ribs suppress deformation and noise by optimizing slit depth while maintaining low air flow.

Perforated annular shim clips onto brake piston to distribute lubricant, reducing frictional fretting noise against the backing plate.

A motor brake device uses a two-winged rotor hub plate with elastic elements to eliminate backlash and radial deflection.

Active oil pressure control system reduces brake caliper rattle noise without adding mechanical components.

Asymmetric back plate guided portion stabilizes pad attitude during braking to prevent squeal and clonk sounds.

Degassing vents evacuate fluid from the adhesive layer under heat, eliminating residual drag without increasing axial dead travel.

Textured steel stampings with piercing barbs embed into an aluminum core to create a rigid laminate that reduces weight while maintaining structural strength.

Installation member with distinct natural frequencies converts vibration energy into frictional heat to attenuate mechanical oscillations.

A brake rotor integrates a loose-mass damper system to dissipate kinetic energy directly between friction contact faces.

A viscoelastic damper absorbs axial vibrations in the brake piston cavity to reduce noise during moderate braking.

Microphones capture acoustic signals during operation, allowing the system to identify brake pad degradation before critical failure occurs.

Segmented damping elements reduce production complexity and scrap while maintaining reliable vibration control across various disc sizes.

Integrated bracket webs extend from bridges to provide structural stiffness and dampen vibrations within the mounting assembly.

Segmented pin guiding surfaces minimize transverse run-outs and braking noise by maintaining consistent radial clearance.

Threshold-based motor control reduces power consumption and wear by activating inverted phase vibration compensation only when frequency exceeds limits.

Second joints feature pentagonal cross-sections with asymmetric widths to suppress thermal buckling-induced judder in ventilated brake disc rotors.

A layered anti-squeal shim combines fibre reinforcement and viscoelastic absorption to reduce brake noise.

Clinched masses modify disc brake pad inertia to shift natural frequencies, eliminating noise caused by vibratory effects during braking.

A brake rotor weight uses a hook arm and guide arm to secure itself between vanes.

Bevelled hole edge supports pin head deformation to withstand high loads and reduce brake vibrations.

An integrated fixing element secures gear components to reduce weight and improve reliability in electromechanical brake actuators.

Sliding wire surfaces generate Coulomb friction to suppress brake squeal noise across varying temperature ranges.

An elastically clamped guide means decouples the brake piston to reduce unwanted vibrations and improve roll-back behavior.

A shimless brake pad uses high loss factor layers to damp noise across wide temperature ranges.

Retainer bracket eliminates springs to reduce noise and contamination while maintaining consistent friction material engagement.

Shim plate movement restriction portions engage with caliper claw sections to enable smooth rotational exchange of friction pads.

Segmented gas chambers decouple at high pressure to limit pedal travel while maintaining effective vibration damping.

Locking projections join plates while a dampening layer reduces bending and noise.

A spring-loaded damping plate on the brake shoe web dissipates vibrational energy to reduce resonance and squeal.

A brake damping device uses a closing element to seal an outlet between chambers.

Thermal bonding of a profiled connection eliminates adhesive failure under frictional heat while enabling precise natural frequency adjustment.

A symmetrical pad spring design simplifies disc brake caliper assembly through unified claw engagement.

Axial return springs press brake discs against fixed stops to eliminate rattling noises and uneven wear in high-speed road vehicles.