Engine Seals TRIZ Cases

A modified polyolefin primer with graft-copolymerized components bonds transparent panes to dual-layer encapsulants.

Partial surface coatings on sealing lips reduce wettability to prevent micro-leakage from lubricant escape and liquid penetration.

Integrating concentric sealing, intermediate, and support rings into a pre-assembled unit prevents gap extrusion and eliminates assembly complexity.

A reversible ratchet locking device secures pipe couplings against vibration through interpenetrating gears and a spring mechanism.

An elastic fluorine rubber seal body forms a surface tension barrier that prevents gravity-induced ink intrusion during transportation.

Segmented sealing members with an isolation valve enable in-line seal replacement, eliminating tank emptying time and contamination risks.

Reduced web thickness prevents plastic deformation of component webs under high compression forces while maintaining hot gas sealing integrity.

Segmented elastomeric bellows accommodate axial movement while angled surfaces optimize fluid flow around the sealing faces.

Mirrored metallic helical coils enable bidirectional sealing in stern tubes, overcoming rubber embrittlement and friction loss at extreme pressures.

Axially retractable brush seal retracts bristles via spring force during transients, reducing wear and leakage in gas turbine engines.

An integrally formed polyurethane seal reduces manufacturing costs and installation effort while maintaining reliable pressure containment.

A resin dust cover mating tube uses bent portions to expand its diameter for catch claw insertion.

Mechanical positioning protrusions replace adhesives to prevent air entrapment and ensure stable die molding.

Plasticizer-free amine-cured silicone sealant prevents foaming and degradation in automotive transmissions.

Concave indentations in truncated cone sealing lips create enlarged leakage storage spaces that minimize medium dragging and reduce wear under high pressure.

Asymmetric seal flanges prevent fluid leakage by enforcing correct orientation during hydraulic assembly installation.

Flexible sealing tapes fill vehicle recesses to create smooth surfaces, reducing aerodynamic drag and fuel consumption.

Axially faced seal ring engages rotating turbine component side surface to reduce tip leakage losses caused by thermal expansion and rotor excursions.

A motor vehicle tailgate uses a single circumferential seal to simplify the pivot arm structure and component mounting.

Segmented locking sleeve controls elastic wire deformation to ensure sealed joints only upon full insertion, resolving complexity versus reliability trade-offs.

A modular sealing assembly uses segmented elements and sleeves to adapt to varying tubular diameters in subsea bearing assemblies.

A distribution ring with tangential ducts induces uniform fluid pressure, eliminating difficult tangential drilling for retrofitting.

A heavy-duty shaft seal uses a rotating sleeve assembly and elastomeric dust lips to block debris from the interior facing surface.

A mechanical locking mechanism deploys retractable bolts in adaptive tire systems to increase friction on ice-covered roads.

Stationary spring elements in a tandem seal arrangement eliminate vibration from rotating components, extending service life under high shaft deflection.

A self-adjusting seal adapts to joint misalignment using a resiliently crushable first part and rigid second part.

A hydrostatic face seal uses a biasing member and shielded air bearing supply channel to maintain pressure differentials.

An embedded profile insert with a protruding aperture secures trim to vehicle glazing edges, reducing obscuration and improving visibility.

A connector with U-shaped channels and seals compresses to engage enclosure panels, reducing gaps and eliminating excess adhesive.

Direct metal laser sintering produces integrated labyrinth seals with tortuous flow paths to eliminate assembly complexity and leakage.

Segmented rigid and flexible sections with a leaf spring maintain tautness, reducing resonance noise and wear.

A sealing strip with a groove-type depression distributes lubricant uniformly, reducing consumption and preventing web re-humidification.

A tilting support member reduces friction and absorbs impact energy in a boat trim cylinder, preventing stick-slip noise during operation.

An integrated sealing ring with pressure-responsive slots prevents lubricant backflow and keeps channels filled.

Composite seals with PTFE coatings reduce friction between components, extending service life while maintaining structural strength.

Optimized lip thickness and durometer hardness balance sealing efficiency against housing deformation during thermal cycles.

Slotted mounting holes and graphite wear pads adjust seal position for rotating drums, accommodating varying diameters while extending service life.

Sheeted foam elastic material relaxes within resin sheet through hole to reduce interference noise and improve passenger compartment quietness.

A ceramic floating seal assembly directs pressurized fluid between rotating and non-rotating conduit members.

Iron phosphate treatment reduces surface roughness to prevent abrasion and improve water resistance in acrylic rubber-metal composites.

Segmented sealing blades reduce friction and wear while preventing bypass flow in pop-up irrigation sprinklers.

Segmented setting members control axial position to maintain consistent spring compression despite equipment tolerances.

Segmented frangible elements manage radial shoe displacement to prevent damage during off-nominal operations.

Ring seal with inner and outer lips creates self-reinforcing surfaces on piston cylinders.

A sealing gasket integrates metal-plastic clamping elements to fix an electrical harness through a housing interface.

Spring-loaded bushing axially displaces brush seals to prevent rotor contact during backward rotation, extending maintenance intervals.

Curled face seal ends abut apex seals to eliminate gaps from thermal expansion and manufacturing tolerances, reducing fluid leakage in rotary engines.

Dry gas seal system uses a drain channel to discharge liquid infiltration, maintaining seal integrity against unstable dynamic pressure.

Prestrained nickel-titanium seals withstand high temperatures and pressures, reducing backup seal needs.