Internal Combustion Piston Engines TRIZ Cases

Internal high-pressure forming shapes metallic header boxes for charge-air coolers.

Nested fuel valve parts connect through a resilient fixation hole, reducing engine cover volume while maintaining tight seals.

Holding member secures filler neck along wheel house inner wall, shielding it from pebble damage while maintaining compact side space routing.

Partition wall separates intake nozzle from carburetor while nozzle opening opposes cooling fan to prevent dust, dirt, and rainwater entry.

Jointly optimizes UAV coordinates, time slots, and reflection coefficients to maximize sum rates while managing interference from cellular users.

Precise Ti, Al, and N control prevents oxide film formation during high-temperature brazing to resolve wetting issues.

Universal mounting brackets and flexible hose nozzles enable retrofitting gasoline engines to compressed natural gas without increasing device complexity.

A water level measurement device applies a time constant filter to the signal from a capacitance-based indicator.

A sensor measurement correction method adjusts individual values based on switching positions to maintain signal dynamics.

A lean temperature raise process heats an NOx trap catalyst to elevate its storage efficiency for abnormality detection.

Front-rear differential pressure limiting processing prevents over-rotation when the bypass valve remains stuck closed.

Austenitic stainless steel alloys fabricate turbocharger kinematic components with optimized chromium and nickel content for high-temperature durability.

Inverting the baseplate to the tank bottom prevents pump dry-running, eliminates corrosive vapor exposure, and ensures accurate level gauging.

Electrostatic capacity detection estimates particulate matter accumulation in the diesel filter.

Replacing platinum group metals with Cu-Co-Mn spinel lowers material costs while maintaining NOx, CO, and HC conversion efficiency.

Segmented heat shield louvers channel hot air away from critical engine components to enhance natural convection and airflow.

Positioning mat joints away from the lowermost tube area prevents water accumulation at structural connections.

Elastomer seals and integrated heating prevent urea freezing leaks at tank apertures, ensuring tightness under axial loads.

A ship engine system uses a single multistage compressor to compress boil-off gas for reliquefaction.

A DEF heating control module compares ambient and tank temperatures against a threshold to adjust heating, resolving sensor inaccuracy risks.

A vehicle control device automatically adjusts driver-set speed limits based on detected future traffic situations.

A control method adapts engine ignition timing to fuel octane levels using a counter system that tracks knock correction thresholds.

A pivoting flap system adjusts intake flow sections to enhance combustion speed and engine performance.

Heating a gas sensor element above operating temperature at startup reduces output degradation.

Integrating a cooling channel into the actuator housing reduces thermal stress on components while avoiding complex manufacturing processes.

A locomotive fuel deck stores gaseous fuel between the engine deck and trucks, supporting structural loads while housing independent tanks.

A vehicle exhaust pipe uses vibration isolating members to dampen noise transmission from the engine.

A reducing agent dosing unit adapts control timing by detecting pressure variations to determine precise valve state change intervals.

Adaptive control logic prevents unnecessary engine restarts during neutral shifts while ensuring rapid response for reverse gear engagement.

Segmenting the combustion chamber into joint and capacity spaces outside the cylinder body to enhance heat insulation.

A secondary air system diagnoses coking by comparing maximum and mean pressure values detected by a sensor between the pump and valve.

Embedded heating elements in a flexible extraction line prevent buckling and fluid freezing, ensuring reliable conveyance at low temperatures.

A heating device and NO oxidation catalyst manage exhaust gas temperature to optimize soot oxidation efficiency.

A modular lean NOx trap divides the catalyst into two regions with distinct platinum group metal concentrations to optimize exhaust aftertreatment performance.

Magnets clamp heat-conducting bodies to secure a heating resistor, preventing spring relaxation and maintaining consistent thermal coupling.

Offset roller cam surfaces constrain vane motion to reduce energy loss and torque waste.

Transverse U-shaped heat exchanger nesting within the exhaust line overcomes space constraints in small vehicles while maintaining high thermal power recovery.

A protrusion and channel interface secures the turbocharger to the exhaust manifold with axial and rotational movement.

A turbine volute features a curved flow passage with continuously decreasing cross-sectional area to direct exhaust gases.

A urea water supply system uses an electronic control unit to manage filling sequences across branched passages.

Establishing fluidic communication between precombustion and combustion chambers reduces firing cycle duration without compromising working power.

An air injection device supplies oxygen to a selective catalytic reduction catalyst.

Single integrated crankshaft reduces component count and volume while enhancing rigidity in multi-cylinder rotary engines.

Inverting valve pocket placement to the cylinder head allows a smooth piston top that increases compression ratio while maintaining unobstructed gas exchange.

Positioning the fuel cock opposite the take-out port prevents lubricant leakage and regulates temperature without adding a separate breather chamber.

A muffler conduit transfers heat from exhaust gases to fresh air within a resonating chamber.

Segmenting the oxidation catalyst into distinct units prevents temperature peaks that cause premature aging, ensuring reliable soot filter regeneration.

An electric machine provides power assist to an internal combustion engine within constrained limits.

A removable insert in a rotary engine peripheral wall provides direct access to the internal cavity for visual inspection.

A compliant gap member suppresses fuel and oil entry into the cylinder liner space, reducing shearing forces on the liner.