Engine Seals TRIZ Cases

Axially angled bristles bend forward under centrifugal force, reducing buckling risk during rotor excursions and minimizing heat transfer.

A circumferential seal arrangement uses a ceramic runner and secondary biasing element to maintain sealing contact.

Segmented seal assemblies maintain positive pressure in a fluid reservoir, preventing volatile vapor escape from tanks during level monitoring.

Segmenting the tool places the body outside the clean space, reducing construction costs and easing component replacement.

Inner peripheral annular space in shaft seal device reduces pressure loss for oil-free screw compressors.

Curing isocyanate and polyol formulations creates a polyurethane coating that resolves startup friction issues in bearing applications.

Condensed expandable graphite trapped in a polymer matrix generates strong swelling forces to seal downhole packers.

A compact styrenic thermoplastic elastomer sealing barrier with Shore A hardness under 20 provides elastic deformation for watertight joints.

A pin-shaped clip engages a reinforced molded corner part to secure the elastic rubber seal profile against heavy loads while preventing moisture ingress.

Segmented sealing lips and concave roots prevent water infiltration through sash gaps under pressure.

A composite sealing tape joins a foam strip and film layer to bridge building frame gaps.

Shape memory alloy elements in a thermal seal bend during reentry heat to close tile gaps while reducing lateral stresses on the underlying skin.

A porous seal protector with a bristle interface prevents debris accumulation at the sealing interface, extending operational life without adding complexity.

Integrated one-piece shaft design merges drive torque transmission and sealing surface functions into a single component.

A force balanced carbon graphite seal uses air bearing surfaces to maintain consistent operating clearance between stationary and rotating components.

Variable cross-sectional thickness in additive manufactured sealing rings reduces stress concentration and wear at critical interfaces.

Segmented seal projections transition from primary lip to secondary contacts, reducing leakage and extending service life under vacuum pressure.

Variable seal face thickness and relief slots compensate for thermal expansion differences, preventing crowning distortion in rotary gas separation valves.

Segmented resilient sealing member resists gas pressure deformation to prevent leakage and enhance structural strength.

Nitrogen precipitation refines austenitic stainless steel surface grains, resolving strength-workability trade-offs for reliable gasket sealing.

A pressure-sensitive medium detects surface pressure drop locations in metal gasket seal beads to guide precise welding.

Mounting rings segment bristle bundles to create a torturous path that reduces gas leakage in turbine engines.

A rotation induction device uses friction restraint parts to reduce rotational friction in vehicle suspension systems.

A closable container lid uses a folded rim section to create a recessed drainage channel for the peripheral seal.

Intermediary sealing plate unit fills gaps between adjacent turbine housings, preventing combustion gas leakage and compressed air loss.

Repositioning the engaging member horizontally prevents interference with the engaged member during tilt-up movements, ensuring reliable sunshade operation.

An annular metallic seal uses ring teeth to generate pressure peaks and absorb stresses elastically.

Tapered seal lips contact slinger end faces while a vent passage releases internal pressure through a dust filter, preventing negative pressure buildup.

Axial force from pretensioning element closes relief bore openings on low-pressure side to prevent leakage during normal operation.

A flexible mesh seal assembly uses enmeshed metallic and non-metallic members to maintain sealing integrity under thermal loads.

Tortuous passageways in the rotating seal plate increase fluid exposure time to reduce heat transfer and extend seal wear life.

A gasket reinforcement body embeds within a rubber base to provide structural rigidity and precise mold alignment.

A laser heat source cleans and microstructures device housing surfaces to enable direct sealing compound adhesion without promoters.

A sealing assembly uses PTFE seals and inert gas grooves to prevent gas leakage in process compressors.

A composite gasket shields valve actuators from liquid ingress while maintaining structural integrity.

Recessed sections with inner walls create a fluid lubrication state that reduces drive loss while maintaining sealing performance.

Segmented wear rings and elastic deformation reduce axial installation resistance while maintaining sealing performance.

A flexible thinned zone pivots to press a cowl grille lip against the windshield outer face.

An integrated bearing seal assembly reduces radial misalignment and fretting wear by combining races and seals on a single structure.

Segmenting the dust cover allows independent optimization of the rubber sealing member, resolving clearance gaps that compromise cabin sound insulation.

Barrier rib bends sound path to reduce noise transmission while maintaining smooth door glass operation.

A vehicle door sealing member features a thick part inserted into the gap between the door and decorative member.

Bonded nickel and cobalt alloy layers on a transition piece seal land eliminate repeated welding cycles that weaken structural integrity.

A hydraulic cylinder uses two-stage sealing and staked portions to secure seals within the outer tube end.

Flexible non-metallic mold inserts form grooves during molding, eliminating secondary machining and reducing manufacturing costs.

A movable vehicle roof integrates a paper honeycomb core with a polyurethane matrix retaining part to form an integral structural unit.

Atomic layer deposition creates a flexible inorganic barrier that prevents gas permeation while maintaining elasticity during deformation.

One sealing member joins the door and frame, reducing complexity while maintaining watertight integrity.

An angled plastic part connects a roof engagement means to a water discharge pipe.