Engine Seals TRIZ Cases

A dynamic seal buffer loop adjusts its size to compensate for friction variations, ensuring consistent delivery without tension or jamming.

Radial expansion of the aerodynamic foil creates a non-contacting annular seal, eliminating wear and twisting forces on gas turbine engine components.

Segmented elastomeric seals isolate leakage paths, restoring thermal efficiency while reducing assembly complexity.

Outer branch groove guides window sliding to resolve bulk issues that prevent end lip sealing against the vertical trim element.

Segmented jigs heat and cool a resin seal ring sequentially, preventing thermal history variations that distort the abutment joint gap during mass production.

Embedded metal skeleton prevents rubber buckling and flow deformation, maintaining seal pressure between stepped surfaces.

Axially movable ring-shaped holder reduces seal wear and heat generation by adjusting engagement with punch guiding during operation.

Constant curvature at the corner region redirects escaping oil back into the carrier body, eliminating leakage points and ensuring reliable recirculation.

Glass fiber sealing and a mechanical stopper prevent horizontal filter pack movement and leakage in sterilization furnaces.

Segmented elastomer gasket combines radial, axial, and lip seals to prevent fluid entry in vehicle fobs where single-bead designs fail.

Circumferential grooves in the composite bushing reduce fluid pressure to prevent bearing wear and maintain sealing integrity.

Offset apex and asymmetric slopes suppress adhesive separation and particle generation during repeated compression cycles.

Flexible sealing panels bridge gaps between independently operating doors, resolving water and noise intrusion issues in B-pillar-free vehicle designs.

A single crystal seal uses tailored crystalline orientation to achieve specific stiffness and natural frequency.

Local air-side coating film lowers friction while preserving macro-level contact pressure distribution for reliable sealing.

Sacrificial graphite rings create an oxygen-depleted chamber to prevent degradation of functional seals during high-temperature fires.

Composite seal cartridge uses hard plastic core for dimensional stability and soft rubber lip to limit water blow-by while minimizing retraction resistance.

Inclined sealing fins deflect leakage flow upstream to create recirculating vortices, reducing fluid loss through radial clearances.

Elastic axial and radial preloading prevents corotation in sealing rings, reducing wear during frequent direction changes.

An asymmetric lever design in a railway door seal prevents false activations from internal pressure while detecting external obstructions.

A movable shroud extends to seal gaps between active air flaps and the bumper, preventing air leakage while maintaining assembly efficiency.

A flexible disk creates an interference fit around a pump rod to seal the mechanism.

Segmented seal member with labyrinth ridges resists gas leakage, enabling continuous activated carbon regeneration in mobile containers.

Parallel conical mating surfaces in the support ring arrangement prevent gaps and leakage under extreme pressures up to 10,000 bar.

Radial support elements in a holding element reduce friction and wear on sealing members against high pressure fluid.

Alumina sol bridges silica in epoxy acrylic rubber to maintain extrusion efficiency while improving compression set resistance.

Retaining rings on an O-ring seal fix to pins in the cup-shaped part or lid, simplifying assembly while ensuring water-proofing.

Segmenting the seal into a rigid positioning ring and soft grommet resolves installation difficulty while maintaining reliable sealing against leaks.

A nitrile rubber composition uses specific plasticizers to enhance cross-linked rubber properties.

Compressing sealing member apertures around penetrating wires prevents water ingress into top drive motor junction boxes.

A segmented flexible seal assembly uses sliding leaf engagement to distribute mechanical stress across multiple contact points.

Radial teeth on the sealing ring engage conjugated piston seats to prevent rotation, ensuring stable angular position and preventing molten metal infiltration.

Segmenting the damping valve into two stages with a pilot valve eliminates abrupt transmission force changes during opening, enhancing ride quality.

A hydraulic seal reinforcement projection supports the sealing lip to reduce friction, minimizing stick-slip noise in clutch actuation.

Asymmetric lip geometry resolves the trade-off between low reaction force and workability, preventing breakage during installation.

A gas turbine brush seal support structure yields under radial scraping forces to protect the rotor.

Segmenting the seal body from an axial tab creates interlocking units that prevent unstacking during handling while maintaining simple structural geometry.

Segmented rotary seals with external bushings eliminate complex axle bore formation, reducing manufacturing complexity while improving fluid flow rates.

Segmented magnets with polar plates create clearances that reduce torque while maintaining sealing reliability against seawater.

Backup rings and cap rings prevent O-ring extrusion and material bonding in steam environments.

A lead bronze shaft sealing ring provides high strength and excellent sliding properties for hydrogen-cooled generator barrier oil systems.

Spiral pumping grooves direct sealing gas from low-pressure to high-pressure sides, reducing leakage and improving reliability.

Curved truck cap assembly with a hinged hatch member reduces aerodynamic drag to improve fuel economy while maintaining structural security.

Rubber-elastically deformable contact body uses friction forces to press sealing ring against shaft, reducing wear and energy consumption under high pressure.

Sliding projections within a blade outer air seal accommodate thermal expansion, reducing cooling air leakage while maintaining proper clearance.

Chemical disintegration of elastic seals via acid or solvent contact eliminates mechanical retrieval, reducing operational costs and time.

T-shaped mounting extension and bolt-and-nut fastener replace safety wire to eliminate wear-induced flight delays.

A ring metal seal uses a convex part and projection ridge line to contact flat surfaces simultaneously.

A multi-piece valve disk ring seal uses a dimensionally stable backup ring to define clamping width and preload for the elastomeric sealing element.

A vehicle sealing strip uses a separating layer to enable clean detachment of the elastomer strand from the body.