Engine Seals TRIZ Cases

Segmented arc-shaped grooves suppress Pneumatic Hammer vibration while maintaining sufficient floating force between seal surfaces.

Spring-supported drain channels tilt to capture water thrown forward, avoiding complex forced vertical mechanisms.

A synthetic resin rotation induction device uses a center plate and lubricant retention part to reduce rotational friction in vehicle suspension systems.

Multi-stage brush seal apparatus routes fluid through an intermediate bypass to balance pressure loads, preventing rapid wear on downstream elements.

Expandable graphite expands within a cavity to conform to surface imperfections, resisting degradation in high-temperature corrosive environments.

Cap member mediates air discharge and liquid prevention in guide holes, resolving displacement resistance trade-off.

A carbon seal assembly reduces fluid leakage by maintaining an H1/D2 ratio between 1.60 and 1.73, resolving manufacturing precision trade-offs.

Direct weather strip coupling to door frame inner panel eliminates intermediate clips and laser piercing, reducing manufacturing complexity.

Cured adhesive tape bonds sheet metal flanges, preventing air inclusions and corrosion while maintaining structural integrity during beading.

A molding jig corrects liquid rubber cross-sections during curing, resolving unstable sealing performance caused by surface tension dripping.

A rotor key member with a chamfered edge and slot retains a circumferential seal in steam turbine rotors.

A door hole seal uses a vertical slit and circular hole to guide wire harnesses through the automobile door panel.

Segmenting the slinger surface allows an auxiliary lip to seal static gaps without interfering with the rotating screw portion's pumping action.

A gas turbine seal assembly uses a biaser to push a rod seal against adjacent components, maintaining physical engagement.

A motor management unit moves a vehicle door window into a seal at high speeds to prevent ejection from pressure differences.

Segmented sealing rings with recesses open to low-pressure boundaries prevent radial wear gaps and leakage in piston-cylinder assemblies.

A hydrostatic seal uses a friction-held beam spacer to dampen resonant vibrations across multiple modes.

Segmented wiper lips with anti-wear coating extend service life by balancing oil scraping efficiency against cylinder wall wear.

Secondary vessel with elastomeric membrane accommodates barrier fluid thermal expansion, preventing pressure exceedance in mechanical seal systems.

A dust seal with asymmetric friction protrusions resists idling rotation of a gyratory crusher head.

Segmented sliding surfaces create positive and negative pressure gradients to maintain fluid lubrication without leakage during rotation.

A gas spring separates primary and secondary chambers with a captive seal to reduce initial impact force and mechanical wear.

A non-planar sealing member aligns with complex component geometries to provide environmental sealing and vibration damping.

Differential lip rigidity prevents foreign matter entry and lubricant leakage in hostile environments.

Blow molding creates a bellows receiver with outward bulged portions forming an inclined edge, preventing retaining ring slipping during tripod joint assembly.

Progressive tooth clearances create passive feedback that adjusts the packing ring position, reducing leakage and preventing rotor-rub during transients.

A hydrodynamic retarder seal uses concentric sliding rings and a barrier liquid supply to cool and lubricate sealing surfaces.

A door inner belt with contact ribs couples to a hollow polygon trim rail.

Physical expansion particles reduce material density without complex gas injection equipment or precise chemical dosing.

Segmenting the circumferential seal into discrete arcs eliminates continuous creep and fracture risks from high tensile loads on large diameter drums.

An integrated sensor housing eliminates complex mounting brackets by merging structural support and sealing interfaces into one component.

A foam sealing strip uses a fold-over area secured by self-adhesive layers to maintain position within joints.

A bendable thermoplastic reinforcement uses a longitudinal neutral fiber to enhance clamping stability on complex automotive radii.

A removable vehicle roof panel system uses independent front and rear glass sections secured by latch mechanisms to the frame structure.

Cylindrical indexing shaft guides trim rotation to prevent rear end bumping against door panel during assembly.

Variable rigidity in the outer seal lip prevents stress concentration and cracks at the base part, ensuring stable sealing contact with the door glass.

A synthetic resin rotation induction device uses a center plate to induce rotation within vehicle suspension housings.

Segmenting the connection into discrete components reduces device complexity while maintaining firm structural integrity.

A roof side weather strip uses a hollow seal portion and a deflectable seal lip to maintain contact with door glass.

Roll forming creates a single metal division channel, eliminating gaps that cause noise and vibration.

A non-metallic rotating seal friction-fits to a shaft and seals against a stationary surface.

Sheet metal damping part with spring pretension reduces noise in mechanical seals while maintaining tribological properties.

Angled sleeve surface reduces deflection under radial eccentricity, extending service life.

Continuous base section prevents second connecting area deformation during transport, eliminating keder rail handling.

A hybrid sealing device combining a bellows with a sliding seal to enable relative rotation between movable bodies.

Multi-parameter monitoring of load ratio, temperature, and gas concentration eliminates false positives from stator heat transfer in rotor devices.

A retaining member with an attachment groove holds the curved portion of a thermoplastic molding in place.

Differential fiber lengths in upper and lower seal lips resolve the trade-off between noise insulation and foreign matter protection.

Embedded elongated members allow tensile cutting of adhesive joints near protrusions, simplifying aircraft component replacement without damaging fasteners.

A peripheral rubber sealing arrangement uses a material bulge to secure fixation on rotatable bearing components.