Springs TRIZ Cases

Internal fluid pressure maintains contact between the valve slide and actuating rod, eliminating rattling noises without adding spring components.

A suspension controller adjusts solenoid current via duty ratio modulation to regulate vehicle damping force.

A shock absorber assembly with a secondary dampening system and dual compression valves.

Deformed section restricts fluid flow to create distinct damping forces, eliminating complex valve assemblies and reducing manufacturing cost.

Extraction of retaining element from base groove eliminates manual pressure risks and reduces assembly complexity.

Segmentation separates the hydraulic jack from the vehicle structure, reducing weight while maintaining reliable preload adjustment through bayonet locking.

A damper device uses viscoelastic material to absorb vibration energy in rotary drive systems.

Segmented orifice holes with independent valve elements allow separate extension and compression damping force settings.

Flexible thermoplastic elastomer sliding sheet maintains uniform contact under unbalanced loads, preventing lubricant leakage from the annular recess.

A rigid polymer shield slides along a shock absorber piston shaft to cover the cylinder opening during extension and retraction cycles.

Nested damping disks in a rubbery-elastic spring resolve the trade-off between sufficient low-frequency damping and excessive overall height.

Spherical hinges enable the damper to adapt to multidirectional stresses while maintaining negative stiffness control force for vibration isolation.

Hydraulic fluid chamber between shafts absorbs rotational and axial vibrations, resolving trade-offs between damping performance and ride quality.

A tapered elastic sleeve retains position on an airbag while preventing coil spring wear in tight suspension arrangements.

A liquid-sealed anti-vibration device uses a guide portion to direct fluid flow toward an opposed surface within the restriction passage.

Separate mounts and seats for the damper element and coil spring enable independent NVH fine-tuning, resolving trade-offs in vehicle suspension tuning.

A placing table measures orifice vertical position to verify correct type and posture before suction.

Segmented chambers in a landing gear strut enable sensitive touchdown detection at light loads without compromising heavy load support.

Interchangeable caps alter gas chamber volume to adjust shock absorber performance without removing the mount body from the bicycle frame.

Fluid passages in the guide bushing replace mechanical piston rings, eliminating frictional wear while maintaining damping force.

Switching valves route compressed air from a source to a reservoir, then to damper units, automating filling without external connection lines.

A composite shock absorber base assembly uses a lower element to restrict lateral movement while permitting longitudinal motion.

Multiple air chambers in a pneumatic pogo stick resolve the contradiction between high propulsion force and easy disassembly for storage.

Replacing hydraulic cylinders with a lead screw mechanism eliminates fluid complexity while maintaining responsive low-frequency ride control.

A shock absorber housing cap features a convex upward curved surface portion to distribute mechanical loads across the suspension structure.

Segmented nozzle disks and a flexible membrane prevent cavitation by allowing large damping fluid volumes during negative pressure events.

A friction damper adjusts plunger resistance via a displaceable lining carrier to prevent slamming during closure.

An intermediate seat mediates spring force on a first disk to suppress valve-opening point rise caused by manufacturing height variations.

Segmented liquid flow paths with varying cross-sectional areas adjust damping forces to improve responsiveness in high-speed ranges.

Variable relief valve adjusts opening pressure based on piston position to manage hydraulic thrust in railway vehicle actuator units.

Communicating holes in a shock absorber sub-valve disk reduce stress concentration and flexural rigidity, preventing damage from excessive deflection.

Bidirectional deformation in the damping layer overcomes frequency-dependent shear limitations, reducing structure-borne noise without active control systems.

Air spring piston adjusts ride height via pressurized gas flow, resolving the trade-off between dynamic adaptability and structural complexity.

A hydraulic damping strut uses a retract detection device and bias regulator to adjust valve disk force during retraction.

A vibration control unit switches between phase fixed and variable control modes using gear position detection to manage engine rotation data.

Detecting electric power steering damper damage via steering angle thresholds and internal circuits prevents undetected collision impact.

Multiple outlet openings sealed by a valve slide reduce leakage losses and manufacturing complexity in vehicle shock absorbers.

A suspension damper uses remotely-operable by-pass valves to control fluid flow and adjust damping resistance.

Automatic pressure control compensates for leakage and temperature variations in industrial robot arms.

A nonporous magnetorheological rod guide assembly integrates a porous filter plug to separate fluid particles from the main housing structure.

Interlocking hook parts on the second attachment member restrain the anti-vibration device body from coming off the bracket during assembly.

Halogenated butyl rubber composition with liquid unsaturated polybutadiene resolves trade-offs between damping performance and processing reliability.

External magneto-rheological valve adjusts fluid viscosity to resolve passive isolator frequency limitations across launch and orbital environments.

A suspension apparatus manages air bubbles through a dedicated communication path and non-return valve between the cap and support member.

A shock absorber uses a free piston to generate fluid damping forces during rebound strokes.

A magnetorheological damper employs a permanent magnet and electromagnet to cancel bias flux, maintaining high turn-up ratio while minimizing power consumption.

Restriction portions sandwich elastic division wall ends between attachment members to maintain structural integrity during axial displacement.

A hydraulic damping cartridge uses a tube bladder to create a compact compensating volume around the compression unit.

Piezoelectric actuator adjusts friction element contact pressure to control slip threshold in semi-active damping systems.