Exhaust Apparatus TRIZ Cases

A pipe exhaust cut-out pivots a sealing flapper via a linear actuator to resolve incomplete sealing in traditional baffles that causes engine power loss.

Downstream water capture member prevents phosphorus deposits and wetting, maintaining catalyst cleaning function.

Fixed-bed filters separate heavy particulate loads from waste gas, preventing heat accumulator contamination in regenerative thermal afterburners.

A collar sleeve and bridging element fastening device limits radial play via a damping element to reduce noise generation during thermal expansion.

Modulate biomass gasification ash carbon content via steam injection and moisture adjustment.

Integrates center housing rotating assembly with engine cylinder head receptacle via threaded oil supply plug to reduce production cost and simplify assembly.

A mounting structure positions an air-fuel ratio sensor on a motorcycle exhaust pipe to detect oxygen concentration efficiently.

Segmented cartridge filter and valve bypass capture microplastics while maintaining cooling flow.

Integrating a sensor on the damper body eliminates connecting lines, absorbing ice pressure volume increase without adding complexity.

Cantilevered spring pad absorbs impact energy as valve plate closes, reducing wear and vibratory noise in passive exhaust systems.

A stamped sheet metal exhaust bypass valve uses a gimbal-mounted flap to seal fluid outlet ports against adapters.

A cooling pipe placed between an electronic device and an exhaust pipe blocks heat transfer, preventing overheating while maintaining compact space utilization.

A drone elimination muffler with a valve and thermocouples reduces exhaust noise by 18 dB across engine speeds.

Inclined contact surfaces redirect rearward loads into downward motion, preventing the silencer from colliding with front-mounted electrical components.

Dual pressure regulating valves in a fuel pump control average feed pressure and limit instantaneous pulsations from rotational speed changes.

Vacuum inversion draws low viscosity catalyst liquid through honeycomb channels, resolving back pressure and material loss trade-offs during coating.

Segmenting the muffler jacket allows preassembly of the inner tube and collar, resolving gas-tight seal challenges during manufacturing.

A tubular exhaust dispersing device uses a wedge surface to deflect hot gases laterally and downward for wider dispersion.

Moisture-cure condensation stabilizes texture during positive vacuum forming, resolving pattern deformation and inferior grain retention in olefinic elastomers.

A diesel dosing module precisely delivers atomized fuel upstream of a catalyst to sustain high temperatures.

A PM sensor heater adjusts power based on conductivity changes to burn off accumulated soot.

Nested acoustic liners in bent tubular channels reduce generator noise without increasing device complexity.

Branch conduits redirect exhaust gas to generate spiraling flow, enhancing DEF mixing and reducing back pressure in work vehicle systems.

A cooling coil system manages turbine exhaust gas temperature using a circulating working fluid.

Segmented plate members connect spaced exhaust passages via single-direction welding, simplifying assembly for large engine systems.

Routing the cooling liquid pipe through the gap between exhaust pipes and crankcase increases bank angle without reducing cooling efficiency.

An elliptical collective exhaust port merges cylinder two and three outlets to adjust heat radiation surface area.

A ring-shaped joining element with an outer cone widens tubular component ends to create flat contact surfaces for circumferential weld seams.

An adapter part mechanically connects an exhaust pipe to a housing jacket through a radial opening.

Optimized coolant sleeve heat capacity prevents boiling during hot shutdowns by absorbing residual thermal energy without requiring active pumping.

Electronic control system manages SCR catalyst temperature to enable or disable neutral at stop operation.

An exhaust pipe structure routes gas through diagonal sections to extend pipe length within restricted overall dimensions.

Adjustable inlet flaps on the underbody paneling resolve the trade-off between drag reduction and exhaust heat dissipation.

Monolithic conduit integrates flexible hose directly over tube to expand under pressure and attenuate fluid noise.

Partition walls segment the exhaust tail cover cavity, suppressing whistling noise while maintaining gap width for gas sampling.

Segmented casing segments reduce structural complexity while providing thermal decoupling and environmental protection for exhaust systems.

A holding device coupling exhaust components uses frequency-dependent stiffness to manage relative motion between connection points.

A precatalyst with low heat capacity sits in the lateral exhaust passage to reach activation temperature quickly.

A recessed side sill structure accommodates exhaust apparatus components, maintaining narrow vehicle width while shielding occupants from heat exposure.

ANC modules replace bulky passive attenuators in power generation intakes, reducing noise across wide frequency ranges without increasing duct pressure loss.

Downward exhaust passage routing reduces pressure loss while minimizing width expansion in outboard motor designs.

A double-walled exhaust manifold uses a sliding link between inner and outer sheets to allow differential thermal expansion.

Suction joins a collecting tube to the urethra, preventing leakage from inaccurate sealing while enabling automated urine analysis.

Segmenting the supply line structure leaves the connection region exposed to minimize moisture entry and eliminate pinhole formation during ceramic coating.

A hybrid water treatment system injects an oxygen scavenger into the steam phase to convert oxidizing chemistry to reducing conditions.

Heating unit applies calorific value to upstream filter area.

Perpendicular rib on curved exhaust passage disperses gas collision points, reducing stress and noise while preserving sensor detection accuracy.

A control circuit generates a dynamic biasing voltage for a single-cell linear oxygen sensor based on cell current.

Segmented multi-layer purification element prevents blockages in exhaust-gas treatment devices by filtering impurities from urea-water solutions.

Voltage divider and controller measure oxygen sensor reference cell voltage to diagnose ground wire disconnection, preventing inaccurate air-fuel ratio control.