Springs TRIZ Cases

An arcuate load sharing block and notched base edge spread loads, cut base edge stress, and extend adapter life in heavy equipment.

Aircraft weight and ambient temperature are used to set shock absorber length directly, cutting landing gear pressurization time.

A tapered tenon and insert smooth damper end-stroke engagement, avoiding high-pressure peaks while enabling tunable damping force.

A sliding member opens or closes hydraulic stop passages by load and piston position, giving shock absorbers adaptive end-stroke damping.

Fluidic links between main and bypass flow paths enable compact, direction-specific bypass control with fast response and high-frequency isolation.

A film-like dielectric elastomer sensor embedded in a vehicle rubber spring measures load by capacitance change without added space, weight, or spring stiffness.

A common pilot-flow restriction keeps shock absorber damping aligned in active and failsafe modes, avoiding overly open or restrictive bypass behavior.

Electromagnet-controlled fluid mounts vary stiffness with speed, trim, and throttle changes to improve marine propulsion NVH and handling.

Different surface-treatment zones tune friction inside the damper to deliver more uniform damping, simpler valve design, and lower wear.

Mixing oil and gas to a saturated equilibrium lets aircraft shock struts be serviced accurately on the ground without jacking.

Hydrotalcite and sepiolite in a rubber layer improve fire behavior and cut toxic smoke while preserving suspension and vibration damping.

A plunger-breached membrane vents gas during piston rod overtravel, lowering return force and preventing damage to forming equipment and workpieces.

An elastic resin piston uses axial compression and cylinder contact to raise braking force with rod speed, reducing glove box impact.

An annular pedestal and recess let a suction pad lift protruding diaphragms without deformation, improving transfer in vibration isolation mount assembly.

Pressed stress-relief ridges between panel connecting sides disperse weld stress, reducing cracks and peeling while improving body rigidity.

An integral metal piston and rod with a ring-guided flow path simplify furniture hinge damping while improving strength and durability.

Opposed winding between the preload member and coil spring restrains stick-slip sound while preserving worm shaft preload and inter-shaft distance.

Nested inner, core, and outer tubes absorb seismic energy and prevent lateral buckling without concrete filling, cutting weight and build time.

Adaptive filtering of speed and acceleration signals lets a magnetorheological damper cut low-speed scratching and resonance without slowing response.

Magnetic sealing through MR fluid gaps lets a rotary prosthesis damper raise damping force quickly while reducing wear, friction, and seal cost.

By shaping the restricted passage with a spaced swirl chamber, liquid flow avoids cavitation noise without adding valve complexity or losing damping.

An external tuning tube moves fluid between chambers to keep aircraft vibration isolation effective while cutting unit size and weight.

A threaded spring adjustment lets bird feeders compensate for spring variation, staying open for birds while closing under squirrel weight.

A translating bump shaft and secondary gas reservoir add progressive bottoming resistance while reducing jarring impacts and cavitation.

An anti-noise member vents pressure between the ring and piston recess to stop oil cushions, squeaking, and micro-leaks in a hydraulic damper.

Threaded rollers and a flywheel turn mast vibration into inertial counterforces, reducing rotor-to-fuselage vibration without aerodynamic changes.

Two communicating chambers separate force generation from sealing, reducing wear, contamination risk, and operating pressure in a compact gas spring.

Adhesive on selected elastomer ring surfaces prevents axial movement, avoiding micro cracks and preserving torsional damping over time.

Multiple pores in the restricted passage slow chamber inflow, suppress air bubbles, and reduce cavitation noise in liquid-filled isolators.

Detachable functional modules let existing rotary dampers change torque and transmission characteristics without replacing the main housing.

Internal stiffening in skid landing gear cross tubes suppresses flattening, absorbs landing energy, and reduces ground resonance.

Dual biasing springs keep the shock absorber spool valve closing reliably under rapid accelerations and high-frequency vibration.

A two-step working-fluid fill around piston insertion prevents air entrainment, foaming, and leaks while improving cylinder assembly productivity.

A movable inertial mass and resilient support dissipate riveting impact energy, reducing hand-transmitted vibration and operator stress.

Elastic axial and radial abutment portions preload the damper pin to absorb position error and suppress rattling during opening and closing.

An annular base valve with solenoid-controlled flow paths and O-ring sealing adapts damping to terrain and load while limiting fluid bypass.

A plain-bearing armature gives a hydraulic mount larger actuator stroke and less wear, improving high-frequency vibration isolation.

A single sensor shifts a beam-mounted mass to match changing vibration frequencies, cutting sensor complexity while maintaining attenuation.

A movable piston valve and performance controller vary fluid flow to tune spring constant and damping force for better vibration attenuation.

Relocating damper channels and valves to an external valve block simplifies housing construction, improves robustness, and eases flow adjustment.

A stroke-dependent piston with an integrated frequency valve adapts vehicle damping without active actuators, extra space, or separate rebound valves.

A base-wall cavity and measurement duct protect the gas spring sensor while enabling direct pressure and temperature monitoring with less die space.

Channels on the bushing and fork leg housing create fluid bypass paths that balance pressure without compromising the sliding interface.

An annular base valve with clocked, coaxial flow paths enables real-time shock damping adjustment while simplifying assembly and leak-path detection.

A non-metallic orifice plate with a metallic inner wear insert cuts shock strut weight while preserving metering-pin wear resistance.

A flywheel-based rotational inerter damps aircraft actuator resonance, cutting control surface oscillations without larger hydraulic systems.

Two joined reserve-tube shells replace a seamless damper tube, improving fluid-volume handling while reducing welding steps and cost.

Variable-stiffness elastomer bushings in a wind gearbox torque bracket cut sympathetic vibration and noise while preserving support life.

A fitted vibration-absorbing member between the tubular portion and floating box cuts handle vibration in brush cutters and improves operator comfort.

A flattened tube end and internal reinforcing insert form an integrated loop that cuts damper tube manufacturing complexity, weight, and cost.