Engine Seals TRIZ Cases

Canted pumping vanes in a transfer bearing assembly create hydraulic seals via centrifugal force, preventing lubricant leakage between turbine sections.

Modular surgical instrument drive unit with detachable mechanical interface and sterile barrier for precise haptic feedback.

Elastically deformed metal washer fixates within a sensor port, resolving seal reliability issues caused by hard fuel rails.

A tubular penetration seal apparatus uses a grooved seal plate assembly and external brackets to secure the sealing material between base and hub components.

A knitted wire carrier uses a steel lockstitch woven through warp threads to resist compression and expansion forces.

A flexible clamshell seal uses secondary flow pressure to compress against duct segments, minimizing air leakage between mating components.

Segmented seals attach to the roof frame, linkage, and surface bow to resolve sealing reliability conflicts with device complexity in stowable roofs.

Segmented seals install via a cable guide that pulls segments into place, preventing syngas leakage and reducing installation complexity.

Inward guide rail positioning prevents front link member interference with weather strips, reducing assembly complexity and minimizing vehicle width.

Tubular elastic sealer applies penetration-direction pressure to seal liquid passages, preventing warping and misalignment of the ejecting surface.

Laser-ablated micro-pillars on an elastomeric seal create a superhydrophobic surface that prevents electroplate leakage during wafer processing.

Segmented seal wall design prevents water ingress by maintaining contact with the vehicle body despite roof panel thickness variations.

Asymmetric sealing ring segments expand radially via centrifugal force to maintain a non-contact seal between turbine shafts.

An integrated flange structure eliminates cleaning gaps in food industry seals, resolving contamination risks while maintaining sealing reliability.

Segmented seal members with optimized bead geometry resolve water infiltration at upper corners while preventing paint peeling during repeated operation.

Radial gap resilient members in seal runners compress to limit hoop stresses from thermal expansion differences, eliminating cooling oil needs.

A spring member manufacturing method using radial punching and bending steps to form inner periphery slits.

Ethylene/butene/ethylidene norbornene terpolymer rubber composition enables rapid hydrogen gas diffusion through sealing parts.

A sealant containment assembly forms a sealing chamber around fastener patterns to distribute fluid sealant automatically.

A centrifugal pump thrust chamber communicates fluid through bearing clearance to generate an inboard axial force.

Segmented extruded seal with perforated fixing strip adapts to complex housing geometries, reducing tooling costs and material waste.

Fluid pressure biases a secondary sealing member against a primary shaft interface, reducing wear and leakage at high rotational speeds.

Hidden-type hinge embeds into frame sections to minimize space occupation and enable smooth folding operation.

A slip ring seal positions the supply line between the radial housing base and sleeve to facilitate easy attachment.

A magnetic fluid seal integrates a ring-shaped yoke and magnet to trap bearing particles within the assembly.

A flexible seal element changes angle under centrifugal force to form a dynamic seal on rotating components.

A fuel battery seal integrates a rubber gasket with a base material fill layer to minimize width.

Overmoulding seals onto molded anchoring slots reduces production time and discard rates compared to separate robotized application.

An elastomeric sealing lip replaces PTFE to eliminate capillary leakage while bidirectional pumping profiling returns lubricant without structural complexity.

Integrating electronics into the seal verifies filter compatibility through stored data, resolving reliability issues from incompatible cartridge installation.

A gearbox seal assembly uses a spring-biased floating portion within a retainer to maintain contact pressure against a rotating ring.

Mesh-enclosed polymer composites absorb fragrant oil to sustain release for months while preventing displacement in water.

A thermally expandable sealing joint uses radial deformation to create a continuous seal between engine exhaust duct pieces.

A non-circular annular gasket portion adapts to heat exchanger port geometry using asymmetric corner points and curved lines.

Segmented sealing components resolve cold flow deformation in hydrogen refueling connections by leveraging material modulus differences.

An oil pressure chamber between sealing elements maintains contact force against gas pressure, preventing leakage in high-pressure cylinders.

A U-shaped reinforcing element with a center leg attached to the cover enhances structural rigidity and stability of the sliding roof system.

A vehicle sunroof control device coordinates paired drive units to maintain synchronized tilting and sliding operations.

A stabilizing ring with a rigidifying element and compression member secures the backing ring on an axle fillet, reducing fretting wear and corrosion.

A seal runner integrates a bearing nut to fix axial position on the shaft.

Symmetric divergent flow grooves balance hydrodynamic pressure on piston rings, eliminating twist and wear in counter-rotating turbine engines.

Opposite-facing lip seals on different materials enhance dust-proofing while minimizing friction between slider and guide rail.

Laser welds polymeric coating between distance and stopper layers to bias embossment beads, ensuring fluid-tight seals at low temperatures.

A shielded support uses a rotating metal disc to seal the bearing housing.

A flexible extruded sealing strip with overlappable ends and a continuous groove replaces size-specific compression molded rings, reducing manufacturing costs.

A finger protection strip with a convex end wall triggers a switching strip under lateral forces, preventing pinching incidents.

Guide pipe grooves engage support portions to prevent drainage interruption while simplifying assembly.

Circumferential recessed sections generate hydraulic lift, reducing friction and oil leakage to improve fuel efficiency.

A poly(norbornene) dynamic seal contact surface forms a gel-like lubricating layer through Van der Waals forces with oil molecules.