Casings TRIZ Cases

A shared oil pump supplies lubricating oil to both the engine and supercharger passages, simplifying structure and maintaining pressure.

Band-like damping members between the fan cover and cylinder block prevent resonance noise at normal engine speeds.

Radial thrust reliefs in a half thrust bearing redirect lubricating oil to the central slide surface, preventing resin layer damage from crankshaft deflection.

Protruding case portion with an air layer insulates the gas outlet passage to maintain blow-by gas flow.

Segmented gas feed parts direct flow toward internal bores and lateral surfaces to overcome insufficient temperature control in complex monoblock castings.

A bearing cap embeds an iron-based frame within a light-alloy part to shift radially inward during thermal expansion.

Offset crankshaft axes synchronize inlet and exhaust pistons in phase, eliminating valves to reduce reverse torsional losses and component stress.

Rotating the threaded insert within the bracket body adjusts position to eliminate tolerance gaps and reduce fastener stress.

Segmented seals with sleeves secure fuel pipes through large openings, reducing assembly complexity and improving high-pressure line durability.

VR engine cylinder head applies homogeneity to equalize intake port lengths, ensuring consistent flow conditions and high power density.

A cylinder head cover uses a rubber vibration isolator between the intermediate flange and head to secure fastening.

A knock sensor mounting boss projects outward from the cylinder block side wall to facilitate attachment and detachment work.

A spacer divides the engine water jacket into upper and lower coolant passages for independent flow control.

Integrating an intercooler into the crankcase lower part reduces charge air temperature while minimizing installation space and fluidic resistance.

Fastening a throttle valve case directly to an exhaust manifold creates a high rigidity support structure.

Merging intake duct with side cover reduces engine room space occupied while shortening passage length.

Rear-mounted knock sensor uses intake system and cylinder block for structural protection.

A dedicated breather chamber integrates between the generator and crankcase to separate oil from blow-by gas.

An angled crankcase sealing surface reduces engine length while maintaining precise alignment and reliable sealing integrity.

Threaded sleeves join cylinder block studs to bearing tunnel holes in one rotation, cutting assembly complexity while maintaining structural integrity.

Direct mounting to the cylinder head cap eliminates external gaskets, reducing assembly complexity and leakage risks while minimizing vibration.

Segmented cylinder block halves coupled to scotch yokes reduce engine size and vibration while maintaining structural integrity.

An oblique ceiling water jacket guides air upward to a drain, preventing accumulation that reduces cooling efficiency during boat acceleration.

Segmented cracked cap bulkhead insert reduces engine block weight and vibration by redistributing load through serrated mating surfaces.

Relief passage connects to air intake chamber front surface below upper end, preventing interference with fuel tanks.

Positioning a scavenge pump between the link boss and crankshaft minimizes displacement amplitude, preventing oil bubble generation during vehicle swing.

A dual-crankshaft engine uses ceramic pistons to reduce wear and improve thermal efficiency.

Austenitic stainless steel fasteners match aluminum thermal expansion to reduce interface stress and prevent cracking in high temperature engine blocks.

A flow guide element features a deformable frictional connection surface that creates a secure seal against a circular-cylindrical component.

Inboard exhaust runners place turbochargers in the engine valley, reducing runner length and conserving heat lost through conventional outboard manifolds.

Direct crankcase fuel injection paired with segmented intake channels resolves low-speed air mass flow limitations to reduce exhaust emissions.

A detection sensor mounted below the virtual horizontal plane of a crankcase generates pulse signals to measure crankshaft angular velocity.

Extended driving-sprocket cam chain guide directs chain movement, reducing load on tensioner and improving lifter durability.

Segmented circuits deliver fluids from a midpoint to prevent pressure loss and heat buildup across multiple cylinders.

Segmented coolant jacket cores use axially arranged web cores to form stable cooling channels, preventing breakage in narrow cylinder crankcase webs.

Varying fillet radii along the snap channel reduces fatigue failure while maintaining bearing cap attachment strength.

Sandwich damping plate with segmented rigid layers reduces vibration transmission through shear deformation in elastomer cores.

Two independent covers close the timing device housing to allow independent removal of the second cover.

Intermediate wheel shaft extends attachment space beyond cogwheels, distributing forces for stable suspension.

Non-coplanar balancer shafts balance primary inertial and centrifugal forces to resolve rotational vibration issues in compact reciprocating machines.

Spring-loaded liner supports absorb thermal expansion between cast iron sleeves and aluminum blocks, preventing plasticization and crankshaft bearing failure.

A pressure sensor in a communication path detects cylinder pressures from adjacent combustion chambers using check valves.

A plastic cylinder head cover uses insert molding with support pins and abutment inserts to maintain hole accuracy.

A gasket projection collects scattered oil from the camshaft to supply the cam chain.

A heat conductor transfers thermal energy from high-load engine regions to bearing saddles, rapidly warming lubricant oil.

A thrombus retrieval device uses a twistable catheter loop to capture obstructions in narrow vessels.

An elastomeric gasket extension compresses between block and head projections to dampen membrane oscillation without adding engine weight.

Symmetrical crankcase halves with identical service interfaces resolve installation flexibility constraints while maintaining structural simplicity.

A modular cylinder head design accommodates multiple engine block configurations through a unified fluid interface.

Transverse baffle divides oil pan into two reservoirs, preventing crankshaft contact and reducing aeration in tilted engines.