Connecting Rods TRIZ Cases

A flat-to-flat knuckle mount with axial fasteners and alignment pins evens crosshead loading, reduces shear, and improves pump rod reliability.

Moulded composite shaft ends replace metal fixings, improving load transmission while cutting joint weight and manufacturing cost.

A worm-driven eccentric adjustment mechanism makes thread-rolling distance changes easier, more precise, and better able to bear adjustment forces.

A preformed composite tube is pressurized in a female mold to prevent fiber pleating and shrinkage while achieving precise long hollow shapes.

A pivoting upper and lower rod layout cuts rotation resistance at top and bottom dead center, preserving energy and improving engine efficiency.

A friction brake and thread arrangement enable stepless coupler distance adjustment while preventing unwanted movement and simplifying assembly.

Shifted resonance tuning of dual piston-pin absorbers cuts engine noise by avoiding antiresonance peak overlap while preserving vibration reduction.

A gimbal-based articulated connector speeds offshore mooring connection and release while maintaining secure engagement without complex external intervention.

Interwoven thermally fusible fibers hold unidirectional carbon bundles in place, improving resin impregnation and rigidity in vehicle joints.

Conical threads, tabs, and nuts let turbomachine turnbuckles adjust length and bearing orientation independently for precise vane angle setting.

A segmented key locks the adjustable connecting rod against vibration-driven misadjustment while avoiding the bulk and mass of large locknuts.

An interference-fit preload structure biases a composite shaft against its end fitting to raise joint strength and fatigue resistance with less weight and assembly heat.

Integrated latching lugs on the spring element keep push-pull rod locking force constant during adjustment and prevent parts from loosening.

Torque linkages convert piston travel into rotary motion while reducing seal side loads, enabling compact, leak-resistant actuator packaging.

Heat-shrink film compacts a fiber preform during curing, replacing complex mold and mandrel removal in one-piece composite part manufacturing.

A flared and lobed end fitting mechanically locks into a composite tube to improve axial, bending, and flexural shear load transfer.

Continuous composite fibers wrap through both strut ends to remove metal joints, cut weight, and reduce fatigue from stiffness mismatch.

Undulated inner and outer joint surfaces restrict composite tube slip under bending loads, preventing stress redistribution and separation.

An offset three-hub piston rod lets the piston reach top dead centre at an angle, boosting crankshaft torque while reducing thrust and wear.

A composite shaft inserted into a mating hole avoids cutting reinforcement fibers, preserving joint strength while reducing joining weight.

A keyed anti-rotation link replaces bulky locknuts to hold adjustable connecting rod length under vibration while reducing on-board mass.

A hollow rod with an expanding outer perimeter and thinner center wall reduces mass while maintaining buckling resistance, rigidity, and vibration behavior.

A slider-bearing scotch yoke with side guides and crankshaft shoulders cuts piston acceleration, improving smoothness, emissions, and fuel mixing.

A helical link and pivot link enable continuous connecting rod length adjustment while keeping the yoke aligned and easy to lock.

Ultrasonic echo timing measures fill level without contact, avoiding exposure to hazardous or corrosive liquids in standard containers.

Longitudinal slots linked by elastically deformable material absorb transverse deformation, cutting vibration, noise, and fatigue without weakening axial load capacity.

Angled insert and flared composite surfaces redistribute contact pressure to improve axial load transfer without drilling or threading.

Protuberant lobes mechanically lock a composite tube to a metal attachment, transferring axial and bending loads without slipping.

Threaded rod ends and captured wedges enable precise crank arm length adjustment without match drilling, debris, or loss of strength.

Elastically bendable fingers and hook-in-groove pins create a push-to-connect turbocharger linkage that cuts parts count and detachment risk.

Elastic curved slats replace threaded adjustment in a connecting rod, cutting weight and production complexity while preserving mechanical performance.

A swivel joint and jam nut let one tie-rod handle post rotation and length changes while keeping a common longitudinal axis.

Shifting rotation centers along a track groove let a foldable screen bend more naturally, reducing stress concentration and damage risk.

An integrated yoke-and-pin tie rod joint blocks torsional load transfer while supporting axial loads, avoiding separate anti-rotation parts.

A spring-actuated male-female locking interface lets strut rod ends transmit torque while simplifying clip installation and length adjustment.

A limiting sleeve stabilizes the pressure spring so the cam and roller coordinate smoothly for stepless display bracket adjustment.

A crosshead layout without a thrust seat uses softer wear plates and a wrist pin retainer to cut wear and extend maintenance intervals.

A transverse pressing element and bearing element keep torque constant during rod length adjustment, simplifying assembly and avoiding extra locks.

Controlled axial loading and tailored fiber orientation help a tapered collar deliver even radial compression and more reliable tube-to-fitting retention.

A segmented upper and lower rod assembly cuts rotation resistance at critical piston positions, reducing knock and improving engine efficiency.

External torque linkage converts piston travel into rotary output while reducing seal side loads, leakage risk, and actuator envelope.

A tapered composite collar uses axial loading to reach target hoop stress, giving tube fittings more consistent holding strength under load.

A two-stage sealing ring with dual annular lips keeps dirt and wash water out of articulated joints while preserving rotation and lubricant flow.

Local heating and outer sleeve forming create precise positive-locking joints for fiber composite rods without costly molding or magnetic forming.

Elastic curved slats and adjustable fasteners vary connecting rod length without threaded structures, reducing weight, cost, and production complexity.

A movable cover lets the socket spring flex during assembly, then locks ball retention to prevent joint disengagement in vehicle door stays.

Wedge-shaped inner and outer locking features help composite beam joints transfer axial, torsional, and bending loads with less movement and strain.

An interference-fit strengthening ring pre-stresses the press base to resist deformation and fatigue cracking in high-pressure presses.

An embedded nut and wedge-secured flared composite rod end cuts actuator weight while preserving fatigue life and joint strength.

Compressed spacers and pre-tensioned tie bars keep cubic press bases aligned under load cycling while improving fatigue life and assembly.