Crankshafts TRIZ Cases

Meshing flywheel teeth decouple the crankshaft from the rotor, enabling high-speed torque transmission without exceeding bearing surface speed limits.

Segmented crank shaft modules allow radial repositioning of coupling elements, resolving the trade-off between precise adjustment and development adaptability.

Moveable support system holds gas turbine gearboxes via pipe connections to allow independent section movement.

Porous coating films reserve excess bleeding lubricant to prevent separation at high temperatures while maintaining low friction resistance.

Segmented hollow crankshaft journals lower weight and material waste while maintaining structural integrity under load.

Angularly offset counterweights balance crankshaft forces, simplifying manufacturing and lowering costs.

Segmented preforming steps distribute billet volume to reduce counterweight deficiencies and minimize flash formation in forged crankshafts.

Throttling elements regulate lubricant flow through the bearing gap to maintain consistent pressure.

Precise alloy control reduces residual stress and prevents cracks during induction hardening, eliminating the need for tempering.

Multi-axis probes measure diameters on stationary workpieces, eliminating eccentricity errors from headstock positioning inaccuracies.

Asymmetric crank arm recesses resolve the contradiction between reducing crankshaft weight and maintaining structural rigidity.

Receding areas on main journals relieve edge pressures from misalignment, enabling uniform plain bearing shells and reducing spare parts logistics complexity.

Fastening bolt openings with smaller cross-sectional areas discharge trapped air from the crankshaft, preventing seizing of connecting rod big ends.

An inline four-cylinder engine uses a crankshaft with only three main bearing journals to reduce friction losses while maintaining stability against flexing.

Upset forging welded crankshaft segments eliminates the heat-affected zone without post-weld distortion.

Oil reservoir pockets in a wick holder collect splashed lubricant to maintain saturation and prevent bearing failure at low oil levels.

Segmenting exhaust lines into four paths with 180-degree ignition offsets eliminates side-to-side gas action, extending intake valve opening and boosting power.

A power delivery device maintains a consistent torque moment arm to enhance rotational kinetic power extraction from reciprocating piston assemblies.

Prevent fretting in bolted joints by pre-deforming contact surfaces with a threaded tool that simulates clamping forces, ensuring uniform pressure.

A monolithic counterweight body houses a high-density insert within a sealed cavity to secure the mass during engine rotation.

A titanium nitride and titanium oxide coating prevents liquid metal migration and oxidation in high temperature x-ray tube bearings.

A measurement-cylinder extracts excess transmission oil while the unit runs horizontally.

Segmented oil groove with circumferential channels guides contaminants to an axial discharge path.

Relocating oil supply from a beam structure to the main bearing cap simplifies the passage network and improves structural rigidity.

Pressing excess portions to bulge toward pins thickens crank arm side sections, resolving the stiffness penalty from weight reduction.

An intermediary thrust piece absorbs axial loads from spline micro-blockages, protecting engine components from premature wear.

A front rotary working machine channels engine oil through a clutch case outflow path to a fastening boss, preventing spread and simplifying cleaning.

Removable counterweights enable non-cylindrical cavity milling in forged crankshafts, resolving interference between protruding parts and machining tools.

An integrated crankshaft sensor measures torque via a rear bearing journal cavity, eliminating flex plate modifications and algorithmic reliance.

Electro-thermal cooling removes viscous heating from bearings, extending life and load capacity.

A combined-cycle three-cylinder engine uses distinct two- and four-cycle combustion phases to balance power output.

A smart crank control system integrates torque, gyro, and accelerometer sensors with slip ring connectors to detect pedaling force and crank position.

A driven shaft oil-storing end portion extends into a clutch chamber to define a lubricating space for the unidirectional clutch.

Nano-structured coating adsorbs polymer lubricant to prevent direct contact, reducing friction and extending bearing lifespan.

Segmented crank webs with through holes alleviate pressure from connecting rods and prevent stress concentration at pin connections.

A bearing system reduces relative velocity between a crankshaft and balance weight by rotating the weight in the same direction as the shaft.

Asymmetric main bearing oil grooves deliver lubricant to the journal gap using shear force to lower fluid viscosity.

A low-friction agent composition containing oxygen-containing organic compounds or aliphatic amines reduces sliding resistance on DLC coated surfaces.

Separating the actuator holder from the cover allows maintenance without disassembling the phase adjuster, reducing structural load on the cover.

A fluid exchange machine uses a graphical display to show real-time operational status and control feedback for automated transmission service.

Pivotable burnishing and support heads in a rolling tool correct orientation deviations to prevent guide damage during crankshaft bearing surface processing.

Deforming rough forging excess portions toward adjacent journals increases crank arm side thickness during finish die forging.

Series thrust bearings handle axial loads while the planetary gear enables stable coaxial motion.

Integrated washer oil-storage groove creates lubricating film to reduce friction and prevent oil leakage in motor bearing systems.

Bridge protrusions allow separate drilling of homogeneous crank discs and journals, reducing weight while maintaining balance and manufacturing efficiency.

Torus-shaped combustion chambers and pistons enable continuous rotational motion within a compact rotary engine housing.

Protrusions on crank arms prevent connecting rod wear by maintaining a lubrication gap, eliminating extra machining.

Radial grooves replace elaborate radial drilling to cut manufacturing costs while maintaining reliable oil pressure for turbocharger thrust bearings.

A crankshaft design featuring an asymmetric unsupported section with increased diameter to resist bending and torsion forces.

A multiple-keyed flywheel aligns with crankshaft keyways to set ignition timing for different fuel types.