Springs TRIZ Cases

A diffusion-tight butyl sealing layer and adhesive rubber layer are mechanically interlocked to cut air loss and extend air spring bellows life.

Asymmetric orifice edge profiles create different compression and rebound pressure drops, enabling compact tuning and lower rebound shaft speed.

A membrane-and-plunger relief assembly vents gas during piston overtravel, cutting return force and protecting forming equipment and workpieces.

A nested frequency-sensitive valve varies biasing force with vibration frequency, reducing damper size while preserving damping control.

A variable throttling orifice slows gas spring return stroke to reduce vibration and workpiece movement without a separate shock absorber.

Adjusting fulcrum and check disc diameters tunes bleed transition and damping repeatability in vehicle shock absorbers, improving ride quality and NVH.

Extended overflow pipes place external control valves at the same height, simplifying damper installation in tight vehicle suspension spaces.

An injection-molded pressure sleeve and base joined by webs simplify damper assembly while maintaining pressure stability and damping flow.

A variable spring forehead support auto-adjusts patient interface spacing for easier fitting, stable pressure distribution, and less leakage.

A partitioned flow path feeds the frequency-sensitive part with enough working fluid while preserving sealing, base valve strength, and compact length.

A rotary valve redirects damper fluid through radial passages to achieve true shut-off, reduce actuator wear, and lower battery drain.

A spring-biased segmented piston ring opens throttled flow paths to improve damping response, prevent bottom-out, and stay stable across temperatures.

A spatial shear-damping structure with multi-orientation crossmembers improves buckling resistance, force absorption, and compact seismic installation.

A base-end closing part and compensating body simplify cylinder locking while enabling precise fluid damping and easier maintenance.

Hydraulic damping between intermediate frames stabilizes folded booms on uneven terrain, keeping spread width and ground distance consistent.

Controlled alloying and slow cooling refine spring steel grains, improving toughness and slowing pit-driven crack growth in corrosive service.

Gas oversolubility in hydrophobic nanopores promotes liquid outflow and impact recoverability, enabling reusable energy absorption.

A curved leaf valve and seat reduce contact area and sticking force, suppressing vibration and abnormal shock absorber noise.

A heated shock strut keeps nitrogen gas and fluid viscosity stable in cold conditions, preventing bottoming and preserving landing gear damping.

A movable take-off assist member uses onboard thrust and winch retraction to launch aircraft from short runways with lower hull stress and cost.

Rotation-load sensing drives MR damper current changes to suppress landing gear shimmy and stabilize air mobility vehicle touchdown.

Pseudoelastic SMA radial flexures absorb shock and vibration while preserving payload positioning and reducing mount failure.

Channels through the fork bushing create fluid bypass paths that relieve pressure differential while preserving sliding support.

Internal diaphragm ribs and holder flow-path features keep oil moving between chambers, limiting pressure rise, noise, and leakage.

Overmolding thermoplastic onto an insert cuts diaphragm holder mass while improving buckling and compression resistance for oleo-pneumatic shock absorbers.

A balancing unit offsets gravity so a smaller linear drive can reposition a labelling unit quickly, precisely, and with lower impact risk.

A pin sliding inside the piston rod raises disc bias pressure, adding end-stroke damping while keeping the hydraulic damper compact.

An ultrasonic motor rotates a permanent magnet to vary MR fluid damping with self-locking control, cutting power use and leakage risk.

An elastomeric ring decouples the ring gear from the housing to cut vibration-borne noise without the heat buildup of NVH covers.

Surface protrusions on a bellows elastomer member let air enter between contact faces, reducing contraction noise and stress concentration.

Pressure-bent plates open stopper ducts to deliver adjustable damping in both flow directions and improve hydraulic vibration control.

A damping mechanism slows the autoinjector plunger before stopper impact, reducing user discomfort, drug shear damage, and container breakage.

Elastic and inelastic tethers with staged stiffness let an inflatable support compressive loads before full inflation and create multiple support profiles.

Constricted channels between non-contiguous air cells slow pressure flow, improving shock absorption while keeping protective structures thin and flexible.

Sensors and a processor measure suspension behavior and guide sag, rebound, and compression tuning for better handling and comfort.

Rapid posture sensing triggers MR fluid or viscoelastic steering restraint to prevent excessive handlebar rotation and rider leg injury.

Axially spaced grooves let solenoid case material flow in stages, reducing piston rod reaction force and preventing opening-edge deformation.

A calibrated valve and discharge path slow piston return in a traction gas shock absorber, preventing cavitation, bubbling, noise, and malfunctions.

A pressure-driven metering pin analog varies orifice area in a shock strut to better control piston motion and energy dissipation.

Calibrated oil passages and a dynamic seal brake piston extension in a traction gas shock absorber, reducing cavitation, bubbling, noise, and malfunctions.

A damping-aware sway model estimates actual elevator rope motion from building vibration to avoid unnecessary operation mode switching.

Multiple valve channels and a free piston vary shock absorber damping by motion frequency, improving ride comfort and steering stability.

Variable loop diameters and a twisting mechanism let this spring assembly retune spring rate as resonance shifts, avoiding full replacement.

Controlled parameter variation lets a sensor system self-calibrate and monitor aging or operating drift without external reference stimuli.

A phononic crystal plate around a MEMS resonator blocks external vibrations with a 3D bandgap, improving signal stability and robustness.

A sliding member with radial protrusions increases piston contact area, absorbing kinetic energy to suppress vibration and vehicle noise.

Sensor-driven pilot and primary valves meter damping fluid in real time to cut force-application delay and improve ride comfort.

A third equalizing volume lets a pressure balancing valve handle fast, high-differential fluid circuits without sliding seals or vacuum buildup.

A resilient coupling ring and fixing ring lock the piston to the rod in both directions, preventing loosening while simplifying assembly.

A short leakage channel and pressure relief valve lower high-frequency dynamic stiffness in hydraulic bearings, extending service life and reducing noise.