Springs TRIZ Cases

Air spring assembly uses a microwave antenna and reflector to measure distance, eliminating temperature sensitivity in ultrasonic sensors.

A self-lubricating engineering plastic layer reduces friction between inner and outer tubes in a vehicle shock absorber.

Position-dependent valve sealing redirects flow through bores, resolving speed-reliability tuning conflicts.

Oil cushion and check valve prevent gas diffusion while enabling pressure equalization in energy recovery cylinders.

A vibration isolator combines a pneumatic spring with leaf springs and a bending rod to achieve independent stiffness control.

Support sleeves on spring plates prevent buckling of tension buffer springs under high axial forces, enabling lightweight material use.

Flexible resin baffle plate fitted via interference to a connecting pipe regulates hydraulic liquid flow within the shock absorber reservoir.

Segmented shaft seals manage pressure spikes up to 2000 psig in mining shovel snubbers, preventing catastrophic seal failures.

A cover layer protects exposed joint areas in an air spring from wear debris and leakage, maintaining hermeticity without increasing structural complexity.

Segmenting the protective tube into a deformable plastic cap and tube simplifies assembly while maintaining dimensional stability against environmental factors.

Relocating the bypass valve outside the tube elements simplifies construction and reduces production costs for motor vehicle dampers.

A motor damping member uses a resin or elastomer constraining layer mixed with inorganic compounds to bond securely to non-flat housing surfaces.

An elastomeric upper support absorbs vibrations while a plastic fixing element ensures reliable attachment to the stiffening frame.

A hydraulic damper piston assembly uses cross-flow channels and supplementary notched discs to control fluid flow between chambers.

A centre seeking actuator adjusts its damping coefficient dynamically to stabilize at an intermediate position.

A damping force adjusting mechanism uses a control valve to direct fluid flow between pilot chambers for variable resistance.

A frictional coupling device connects an inerter mass to a drive mechanism in vehicle wheel suspensions.

A dual rack and pinion rotational inerter system translates flight control surface rotation into translational motion to dampen oscillations.

Asymmetric reinforcement ribs stabilize partition positioning without reducing effective piston area for fluid flow in vibration damping devices.

Axial separation creates distinct fluid and air chambers to evacuate bubbles and reduce residual pressure in hydraulic shock absorbers.

An elastomeric grommet in a bearing housing absorbs vibration energy and prevents metal-on-metal wear in steam turbine position indication systems.

A rotating movable body with tapers slides the lower stopper face vertically, enabling in-place adjustment of the gap between upper and lower members.

Integrating the seal with the damper bearing reduces assembly effort and strut length while maintaining pressure tightness.

A single elastomeric component decouples motor vibrations axially and radially, reducing assembly complexity and tolerance sensitivity in EGR valve drives.

A bobbinless coil uses disk-shaped guide members biased by the conductor wire to maintain precise cylindrical shape without external components.

A fluid-filled piston cylinder unit uses a pressure-responsive valve to balance sub-interior pressures and damp rod movement.

A brake-equipped retracting mechanism uses a string member wound around a rotational member to restrain rotation and control closure speed.

Releasable mechanical locking means inhibit the damper element movement during assembly, eliminating manual spring biasing effort.

A servicing method adjusts initial gas pressure in landing gear shock struts to compensate for expected gas entrainment loss.

Pretensioned auxiliary spring maintains raised pedestrian protection flap position when gas spring pressure drops, preventing collapse during impact.

A gas spring generates electrical energy from piston movement to power internal sensors without external wiring.

Integrating a rod acceleration reduction mechanism directly into the bottom valve structure reduces axial length without compromising damping performance.

A vibration damper uses a movable cover part to change the cross-sectional flow area of internal openings.

Replacing metal with reinforced thermoset plastic reduces air spring cover weight while maintaining damper bearing strength and gas-tightness.

An integrated backpack valve housing minimizes radial space by merging two damping valves into one unit, reducing connection bores.

A hybrid air spring bellows uses distinct textile reinforcement orientations to absorb rolling vibrations while maintaining structural integrity.

An electro-magnetic actuator replaces mechanical valves to control ride comfort without increasing manufacturing complexity.

A gauge system detects oil levels in oleo-pneumatic shock absorbers using ultrasonic sensors and visual traces.

A hydraulic damper converts linear shaft motion into rotary inertia using a ballscrew mechanism to generate reactive forces.

A damping force control shock absorber uses a communicating passage with an orifice to manage hydraulic fluid flow between cylinder chambers.

Segmenting the shock absorber into distinct pneumatic and hydraulic chambers reduces oil volume and strut weight while maintaining reliable damping performance.

A damper valve uses a restraining member to limit leaf bending and increase damping force at high piston speeds.

Segmented locking mechanism eliminates car body lifting during wheel wear compensation, reducing assembly time and labor effort.

Overmolding joining areas with a third material merges structural formation and sealing into one step, eliminating complex welding processes.

An adjustable vibration damper balances damping forces during height changes, eliminating stiffness shifts that degrade driving comfort in heavy vehicles.

Segmented machine base with dual isolation sub-systems reduces floor vibration transmission to improve measurement accuracy in factory environments.

A structure-borne sound exciter detects and absorbs vibrations using a single component with integrated coil control.

Split metal joints connect CFRP roll bars to vehicle bodies, resolving assembly complexity by allowing independent manufacturing of floor and side members.

A clutch friction washer uses a deformable elastomer between metal layers to enable elastic deformation and reduce wear.