Casings TRIZ Cases

Integrating the rocker arm chamber with the intake manifold reduces engine surface area while maintaining internal volume.

Segmented covers with a balancing line equalize crankcase pressure while a drain line removes oil to prevent leakage.

A compact serpentine belt system mounts components off the engine block using spacer brackets and a bridge bracket.

Integral ribs on multi-layer steel gaskets prevent loose valvetrain components from entering lubricating oil drainbacks without restricting flow.

Fixed duty control primes the pressure chamber during cold engine start, preventing delayed stabilization caused by high oil viscosity.

A cylinder head cover recessed portion allows a motorcycle radiator to nest within the engine assembly boundaries.

An integral camshaft cover unifies shaft portions and connecting elements to simplify engine assembly processes.

Nests the separator within the cover structure to eliminate external pipeline freezing risks in cold environments.

An optical laser system detects cylinder head deformation to measure internal pressure without intrusive sensors or structural compromise.

A cam angle sensor mounting structure uses a rigid bracket and non-rigid head cover to reduce weight.

Integrating positive crankcase ventilation passages within the cylinder head structure to route gases directly to intake ports.

Segmented engine blocks with hinge pins tilt the upper assembly to expose the crankshaft, resolving repair accessibility issues in heavy single-cast designs.

Orienting distinct joint surfaces in different directions allows independent draft angles, reducing wall thickness and restoring lost oil storage capacity.

Integrated sealing plate rests on oil pan to eliminate gasket strips and reduce assembly complexity.

Offset rotor axis and rotatable housing adapt pump orientation to diverse engine layouts, resolving installation space constraints.

Flush piping at head-cover height simplifies support structures and keeps exhaust heat away from operators.

Partition wall shields block fluid flow through communication holes, preventing adjacent cylinder bore coating damage during removal.

Segmented composite cylinder heads with integrated coolant channels simplify engine block cleaning and reduce pumping power.

A two-stage tightening method plastically deforms a cylinder head gasket to establish uniform sealing pressure across the engine interface.

A compact catalytic device layout positions multiple catalysts within a saddle-type vehicle exhaust system to enhance purification efficiency.

An inclined first rib on the chain case directs lubricating oil flow downward, preventing accumulation on fastening bosses and improving sealing integrity.

A motorcycle crankcase positions a vehicle speed sensor on its upper surface in front of an upwardly protruding breather chamber.

Segmenting the cover body and retaining bridge resolves recycling difficulties from composite materials while maintaining pressure stability.

A dual-stage air-oil separator mounted on the engine block prevents water vapor freezing in vent passages by heating blowby gases with cooling fluid.

A compact W-type engine configuration enables lightweight motorcycle construction.

Spring arms engage members while retention tabs prevent removal and limit longitudinal movement.

Integrally cast trusses stiffen oil pan sidewalls, resolving accordion deformation while maintaining tool access for powertrain assembly.

Diagonal ribs on the cylinder block side wall distribute compressional stress uniformly, resolving uneven sealability between the cylinder head and block.

A modular overhead cam support system mounts independently to the engine cylinder block.

Integrates a rocker arm chamber with an intake manifold to compactly arrange turbocharger components within small-displacement engine constraints.

A polyurethane foam blocking member integrates with the cylinder head cover to elastically contact the engine cover sound absorbing element.

An oil module housing integrates an open water channel to merge cooling circuits and eliminate external conduits.

Coaxial feed and scavenging pumps reduce drive force loss by shortening oil passages and positioning the scavenging pump above the crank chamber lower end.

Integrated output connectors merge fitting and seal functions within the cylinder head wall to simplify assembly.

Boss cutouts on fastener bosses redistribute contact pressure to eliminate uneven sealing pressures that degrade engine performance.

Positioning the first coupling pin radially offset from the bearing cap eliminates disassembly requirements during engine assembly.

An inclined insertion groove guides a wedge-shaped tool to separate the resin cover from the metallic body without surface damage.

Notched sections in the embedded support structure deform upon impact to absorb mechanical energy while maintaining structural durability.

A magnesium alloy mono-block engine utilizes supercritical fuel injection and multi-point laser ignition for precise combustion control.

An intermediary spring member controls sliding friction between the bolt head and washer, stabilizing axial force against surface roughness variations.

A sealing closure element guides coolant flow within an integrated pump housing to simplify the cooling circuit design.

A balancer shaft with internal communication passages equalizes pressure between non-adjacent crank chambers to reduce pumping loss.

Segmented communication holes maintain negative pressure in the breather chamber while preventing oil intrusion during vehicle tilting.

Integrates coolant and oil flow passages within the engine block to reduce packaging space while maintaining effective thermal management.

Segmented brackets connect via an intermediary path to raise natural frequency and reduce vibration-induced stress without adding weight.

A V-type block design arranges intersecting cylinders around a main journal hole to reduce staggering gaps and achieve compact mechanical packaging.

A biconcave partition divides a cylinder into two working spaces, eliminating oil pollution in exhaust gases.

Elastically deformable sealing member attached to a plate restricts oil trickling into the outer sump of a double sump oil pan.

Pre-inclined outermost bore pins counteract residual stress inward tilt to maintain cylinder straightness and fuel economy.