Engine Seals TRIZ Cases

Foam members interspersed with wave-like intumescent springs provide durable water resistance and fire protection.

Stationary and rotary steps feature recesses creating projections with equal axial width to simplify fluid machine assembly.

Segmenting the pump rod allows independent removal of the upper section, simplifying bellows replacement without full disassembly.

A downhole seal assembly uses angled surfaces and voids to guide fluid pressure against a wellbore for secure engagement.

Laser cutter trims weatherstrip ends without mechanical pressure, preventing cross-sectional deformation and reducing tooling complexity.

A weatherstrip spacer tool creates a gap to guide release liner removal, preventing premature adhesion and pinching during installation.

Angled cavity surface drives seal contact force against second shaft tab during radial movement to minimize leakage flow through axial face couplings.

A flame-resistant spun staple yarn blends polymeric fibers with low thermal shrinkage and antistatic components.

Sliding seal ring with internal and external grooves for O-rings reduces friction and wear, extending service life in large diameter tire inflation devices.

Non-contacting seals utilize hydrodynamic lift-off forces to prevent lubricant leakage in gas turbine bearing compartments.

Projecting portions between anchor sections stabilize protrusion radial position, preventing circumferential distortion and ensuring reliable sealing contact.

A fluid-activated shaft seal uses a gel material that expands upon contact with fluid to urge a lip portion into engagement with the rotating shaft.

A resin seal member rotates with the shaft to minimize clearance, preventing gas leakage without complex labyrinth configurations.

A stepped welding holder aligns stamped C-shaped rings to share a center point during helical coil spring seal fabrication.

Bellows on the nose ring collapse axially and expand radially to maintain sealing force during thermal growth, preventing leaks without additional trips.

A labyrinth seal mobile component slides on a conical interface to reduce gas leaks while preventing seal destruction during thermal expansion.

Shear stress elongates polymer droplets into nanofibers, eliminating nozzle clogging and enabling scalable production.

Spring elements press a heat absorber against a stationary ring, compensating for thermal expansion to stabilize heat transfer and protect sealing integrity.

A shaft seal apparatus combines an elastomeric sealing portion with a resin support structure to maintain pressure integrity.

An elongated sealing member integrates distinct cross-sectional portions to maintain attachment stability along a vehicle body opening edge.

Compressed air pressurizes an annular groove to expand a sealing ring radially, reducing frictional wear and extending service life in mold filling devices.

Independent radial and axial biasing in dual apex seals eliminates thermal expansion gaps to prevent fluid leakage.

A curved rail and slide structure guide the moving glass along a non-linear path, eliminating straight sections that reduce aesthetic appeal.

Integrating perimeter, connector, and actuator seals into a single molded component reduces device volume while maintaining comprehensive sealing coverage.

Direct roll process eliminates complex compaction equipment by converting UHMWPE powder directly into high modulus tape via heated calender rolls.

Nested labyrinth constructions with overlapping sealing plates block dust and powder snow penetration through corner gaps.

Conical lip angles optimize contact width to prevent deformation and wear during start-stop operations on eccentric shafts.

Elastic pressing ring secures valve body against substrate to create fluid-tight seals in microfluidic systems.

Elastomer sealing lips on rolling bearing shields adapt to external pressure for reliable contamination protection.

Floating shoes generate hydrodynamic lift to prevent rotor contact, reducing wire wear and leakage while accommodating reverse rotation.

Asymmetric sealing and flow ports reduce leakage and pressure spikes during installation while maintaining concentric alignment.

An elastic median gasket segment accommodates thermal expansion and rotor alignment shifts while maintaining a steam-tight vacuum seal.

Routing a seal leakage line through a restrictor leakage line creates a jet pump effect that prevents back pressure and simplifies installation.

A sliding component uses interference grooves to create fluid pressure variations that maintain sealing integrity.

A seal ring with a level difference portion creates dynamic pressure to reduce contact area and friction.

Axially split protecting cover members integrate via press fitting to secure spring seats and cylinder ends.

A segmentally elastic peripheral seal rests on the rotor jacket to maintain contact during rotation.

A pivotable sealing lip maintains low breakaway torque in a bearing housing gap until media pressure triggers contact.

Opposing bends in a resin rail garnish absorb thermal expansion differences between the body and metal door, maintaining consistent gap hermeticity.

Infusing iron powder into elastomeric gaskets enables magnetic detection of deteriorated particles, replacing expensive X-ray methods to ensure product purity.

Rotating the seal lower part clears floor obstacles during door movement while maintaining tightness when closed.

Segmented cooling channels direct airflow to divergent seal edges, reducing gas leakage between flaps.

Secondary seal and U-shaped channel limit water flow, preventing leakage as weather strip wears.

Deformation control portions suppress seal buckling under high loads, maintaining uniform braking force and stable friction.

A scraper ring uses high thermal expansion material to maintain radial contact force on inner components.

Deformable rotor key member prevents seal rotation and creep to maintain consistent sealing contact.

Segmented mounting rails with openings ensure uniform seal pressure, resolving alignment instability caused by material fatigue.

Spring-loaded sealing flanges prevent process gas escape, maintaining precise temperature profiles during substrate crystallization.

Split ring seal accommodates differential thermal expansion between metallic carrier and ceramic blade track to block hot gas ingress.

Segmented underbody channels extend airflow to the radiator while the rear diffuser generates downforce despite geometric constraints.