Machines/Engines TRIZ Cases

A check-ball shutoff and vented receptacle attachment creates a closed used-oil catch path that limits spills during draining, transport, and recycling.

A mirror-smooth piston crown surface in deposit-sensitive zones cuts deposit adhesion, reducing oil consumption and blow-by in engines.

Vacuum-driven partial extraction removes sludge-heavy hydraulic fluid from the reservoir bottom, then reconditions and replenishes fluid with less downtime.

Layered plate elements simplify oil filter and heat exchanger routing, saving engine-bay space while maintaining secure mounting.

Nanoparticle-dispersed coolant in an internal engine valve cavity improves heat dissipation while limiting aggregation and reactivity.

Built-up protrusions form inspectable flow channels in a heat exchanger, reducing destructive checks while improving heat transfer.

Pre-strain during finishing ring rolling, followed by reheating and ring expansion, improves Alloy 718 circularity while preventing abnormal grain growth.

A two-layer copper-matrix seat ring improves heat flow from the sealing surface while preserving strength, wear resistance, and dimensional accuracy.

A second positioning element locks the support ring during unscrewing, so the closure element exits axially without lateral damage or torn fragments.

Quick-connect fittings, sensors, and RFID automate oil evacuation and refill to cut spills, tool use, and oil fill errors.

Separating ball support from the axial spring cuts disk spring wear and pitting while enabling a more compact valve rotator.

Thermal expansion in the die or ram enables precise correction of distorted superalloy components while limiting residual stress and property loss.

Intermediate jigs and alternating tensile-compressive loading form a hardened valve boss at a precise stem location without sacrificing neck toughness.

Movable securing elements lock the cover disk against twisting and axial removal, then release easily for cleaner filter replacement.

Rotary swaging lengthens and reduces a hot-formed hollow valve blank, cutting process steps, material waste, and critical weld spots.

Auxetic beam networks guide pressure-driven fluidic actuators to control diameter, length, and 3D shape for anchoring, grasping, and soft robotics.

A multilayer support base moves the bypass duct and valve outside the plate stack, preserving heat exchange area and simplifying manufacture.

A snap-fit retainer loop secures the sealing member on a filter assembly to prevent dislodgment, leakage, and contamination during service.

Buckling-based stiffness variation lets an actuator switch between positive, zero, and negative stiffness for finer force control and position tracking.

Localized inductive edge heating before friction welding cuts heat-affected zones and weld bead size in cavity valves for better cooling.

Support rings stabilize a flexible vehicle air pipe against negative pressure while allowing thermal expansion and vibration compensation.

An inverted cone hollow hole lets heat-resistant engine valves be drilled instead of punched, cutting tool wear and stress concentration.

A monolithic galleryless piston uses a large exposed undercrown for oil-spray cooling, cutting weight, compression height, and manufacturing cost.

A barrel-shaped retaining ring expands a fuel injector sleeve in place to stop upper seal leaks without cylinder head removal.

A movable internal shield blocks the laser path during injector nozzle drilling, preventing back-wall damage while preserving microhole precision.

A cobalt-based engine valve cladding alloy balances Cr, Mo, W, and C to resist corrosion and reduce sticking to the valve seat.

A fluorocarbon switching film resists blow-by gas attack while maintaining low-pressure sealing in fluid pressure regulating valves.

Time-stamp correlation reconstructs raw sensor data centrally, raising consumption-monitoring resolution while limiting local energy use.

A separated two-support cover body lets balls roll on raceways instead of the disk spring, reducing rolling pressure, wear, and pitting.

An elastically deformable tapered electrode fits machining variations to maintain uniform contact and heat generation during metal joining.

Reoriented grain flow in a forged piston boosts resistance to combustion and inertial loads while keeping surface area and weight low.

Nanoparticle-dispersed coolant improves heat transfer in internally cooled exhaust valves, cutting valve temperature by up to 150°C.

A transparent sight glass, rusting probe, and magnetic plug enable on-machine fluid inspection and sampling without shutdown or sediment mixing.

An axial stand protects the filter element's closure seal from handling damage while preserving stable mounting and reliable sealing.

A recessed weld space and opening keep the weld bead off cold housing walls, preventing spatter damage during high-pressure fuel pump assembly.

An air-gap welding path lets a laser join fuel pump components from the axial side, avoiding interference and improving connection reliability.

A partitioned piston cooling gallery separates oil from the hottest zones, reducing coking and extending engine oil life.

Dual-latching fastening clips preload the housing flange to prevent play and enable quick disassembly in camshaft phaser assembly.

A conical valve body with a spring projection and fixing ring improves high-pressure fuel pump sealing while reducing load on sealing elements.