Noise/Vibration Control TRIZ Cases

Sensor-based frequency analysis distinguishes oxidation, whistle, and disc deformation, then modulates brake pressure to cut noise without harming braking.

An elastomer damper around the fixed ring gear cuts brake actuator vibration, noise, and wear while keeping the reducer compact and easier to assemble.

Fitting grooves and protrusions constrain damper motion on the ball nut, reducing bushing collisions, vibration, and brake pump noise.

An elastomer damper around the fixed ring gear cuts actuator vibration, noise, and wear while preserving high brake force in a compact assembly.

A piston extending through the retraction plate contacts the heat sink first, limiting vibration transfer and brake component fatigue.

Mixed-compressibility friction elements in a railway brake pad cut braking noise and fine powder while preserving braking force transmission.

A planetary first stage and bevel second stage simplify brake actuator gearing to cut weight, noise, and friction loss.

A planetary and bevel reduction pair simplifies MOC-type EPB actuator packaging to cut weight, friction, heat loss, and noise.

Compressed damping elements between the actuator housing and cover cut vibration transfer and brake noise without changing core actuator parts.

An integrated brake counter-disc and passive-braking piston cut brake parts, weight, and bulk in hydrostatic rotary machines.

A clamping device removes spindle axial play in a brake caliper, cutting rattling noise without requiring tighter manufacturing tolerances.

A multifunctional intermediate part seals the brake, dampens armature impact noise, and transmits torque with fewer components.

Sensor-detected critical brake frequencies trigger time-varying piston force modulation to suppress disc brake noise and vibration.

Alternating radial locators support friction dampers on both sides to prevent thermal distortion and damper exposure during rotor casting.

Compressed elastomer damping elements between the actuator housing and cover cut transmitted vibration and brake noise without redesigning the case.

AI analyzes filtered brake audio and spectrograms to separate squeal, chirp, artifacts, and anomalies with fewer false detections.

By nesting the pump element in the motor rotor and using a common damper, this brake hydraulic unit cuts NVH and shrinks package size.

A radially guided slide keeps a constant air gap from the electromagnet, eliminating armature impact noise without higher spring force.

An elastic and rigid bushing mount cuts brake booster noise and vibration transfer to the passenger compartment with compact, low-cost installation.

A planar elastic damping plate bends with armature motion to cut brake noise while avoiding larger air gaps, excess current, and power loss.

A recessed-fin control member limits airflow between brake disc fins to cut aerodynamic sound without increasing warpage or production complexity.

By letting the piston contact the heat sink before the retraction plate, this brake assembly limits vibration transfer, fatigue, and drag.

A gap-based control member layout cuts brake ventilation noise while avoiding fastening interference during disc thermal expansion.

A segmented brake driver with an intermediate damping layer absorbs torque jerks and impacts, protecting angle sensing in electric motors.

Elastic bushings in the brake assembly absorb impact shocks and torque jerks, improving rotor angle detection and brake service life.

A damping member around the brake nut and spindle suppresses rattling, preserves piston alignment, and supports quiet parking brake actuation.

Integrated elastic tabs in the armature plate or coil carrier cut brake switching noise across wide temperatures without adjustment screws.

An elastic pad liner on caliper pins restores brake pad spacing after release, reducing rattle noise and drag torque.

A tapered annular flange and dual-winding spring let brake HCU valves bypass fluid, cut pump noise, and still open for high-pressure flow.

Embedded high-temperature piezoceramic sensors in brake pads enable real-time force detection to reduce wear, noise, and vibration.

Region-specific material properties in a 3D-printed brake caliper housing cut deformation, noise, and hydraulic volume change.

Non-uniform brake drum geometry or material shifts eigenfrequencies to limit vibration coupling and reduce drum brake noise.

An organo-titanate primer creates a chemical bridge between epoxy coating and acrylic glue to keep brake pad shims securely bonded.

Curved grooves and a viscoelastic layer suppress reflected waves and brake squeal while preserving cooling efficiency as pad wear changes vibration.

Snap latches and springform tabs replace energy-intensive stamping to secure brake pad shims while cutting assembly cost and time.

A copper-rubber layer recessed into the brake pad back plate decouples vibration modes to suppress squeal across varied braking conditions.

A guide-pin lock arrangement holds brake pad running clearance, prevents rotor drag, and damps vibration in heavy-vehicle disc brakes.

A one-piece carbon-fiber plastic friction partner cuts noise and wear in vehicle flap braking while keeping precise, reliable positioning.

A curved rim with a viscoelastic damping layer suppresses reflected waves and brake squeal even as lining wear shifts vibration behavior.

Circumferential and coupling ribs tune disc vibration and airflow to cut brake squeal, improve heat dissipation, and reduce plate temperature imbalance.

A pivot bearing and torque support let bicycle brake pads self-support under tensile braking loads, cutting noise, vibration, and caliper heat.

A limited authority damper adds a parallel load path in a no-back brake to reduce chatter, vibration, noise, and torque oscillations.

Alignment protrusions and surfaces self-position the brake pad shim, cutting assembly effort while preserving vibration and noise damping.

A lockable caliper-guide pin arrangement maintains pad-to-rotor clearance, prevents drag, and dampens vibration in heavy-vehicle disc brakes.

Radially movable friction monomers add braking surfaces while cutting brake thickness and preserving magnetic strength and stability.

A perforated metal and high-temperature resistant shim absorbs 1-20 kHz brake noise while dissipating heat to help prevent fluid boiling.

A wave-shaped metal shim bonded behind the brake pad improves structural and friction damping to suppress squeal across varied braking conditions.

Curved internal and external grooves restrain reflected waves in a brake disk, cutting squeal noise while improving cooling and wear stability.

A spring-mass damper integrated into a disk brake friction lining extracts vibration energy to suppress braking noise without adding rigid mass.

Speed-dependent damping cushions armature impact in electromagnetic brake or clamp actuation, reducing wear, noise, and service-life loss.

A toothed hub-to-drum interface replaces stud-based torque transfer to save space, improve pressure uniformity, and cut brake NVH.

Pulsed high-pressure water jet roughening strengthens brake lining bonding, cuts residue and cleaning steps, and improves braking noise damping.

Inclined pad support surfaces create relative speed at the disc interface, keeping friction dynamic and reducing brake vibration and noise.

A pad spring on the brake pad guiding protrusion limits unwanted motion, prevents carrier contact, and improves squeal damping across braking conditions.

Acrylic-silicone hybrid damping blends replace complex multilayers, extending brake noise and vibration control across a wide temperature range.

An integrated guide part lets the caliper housing slide smoothly on the carrier while reducing structure complexity, cost, and deformation.

Perpendicular pressing deforms a damping-mass pin into a carrier-plate hole, creating a rigid brake pad connection that improves vibration control.

Anchored reinforcing foil in a co-moulded resin brake assembly limits support plate deformation while reducing weight and heat conductivity.

Laser-scanned hardened strips stabilize brake disc friction and residual stress to suppress braking vibration and noise.

Embedded variable-thickness metal reinforcements improve pressure distribution in railway disc brake pads, cutting noise without losing braking force.