Engine Seals TRIZ Cases

A clamping plate compresses a silicone ring seal axially to radially expand the sealing component against a lifting rod gap in packaging machinery.

Nanoparticle undercoats and boron nitride overcoats on stainless steel gaskets prevent oxidation corrosion at temperatures above 600°C.

A weather strip insert member features a through groove connecting elastic material layers to increase corner stiffness.

Rib structures reduce wall thickness variations to maintain sealing surface flatness and prevent substrate contamination.

A composite part integrates a molding strand and adhesive tape through injection molding within a mold groove.

Transition channels extend the flow path circumferentially to minimize directional changes and lower flow losses without increasing drive power.

Segmented grooves isolate O-rings to prevent extrusion during casing expansion, resolving fluid absorption blistering.

A radial sliding seal assembly uses a spring carrier with multiple separate radial spring sections to exert uniform prestressing force on the sealing component.

A sealing element with a one-way valve creates a fluidic seal between the consumable cartridge and chamber internal side wall.

Diamond film reduces volume resistivity in sintered SiC seals, preventing static charging hazards in corrosive stirring devices.

Elastic seals with expandable concavities utilize pressure differentials to enhance sealing contact between abutting nuclear reactor components.

Profiled anti-contamination lips redirect axial contamination forces into the housing to maintain closing force and prevent seal deformation.

A hot-melt urethane resin composition cures rapidly under active energy rays to form durable seals.

A quick coupling integrates a dust cap with a lock wire lug to protect the aperture from contaminants.

A split seal ring with a retaining ring adapts to component deflections in gas turbine engines.

A sealing element uses a lipophilic absorber to deposit sealant on the shaft surface upon contact with fluid.

A seal assembly uses a bushing and fluid passage to vent leaked gas from reciprocating compressors.

A convoluted seal assembly with a porous shield protects against thermal exposure and wear in turbine engines.

A deformable annular membrane expands axially under fluid pressure to create a tight seal against the bearing ring.

A transmission installation method positions the housing on the driveshaft before installing the lip seal to ensure concentric alignment.

A gasket assembly uses a tilted lip ridge protrusion to maintain attitude stability during compression.

Transverse throughcuts in the metal band reduce energy input during cutting, preventing material damage and corrosion while maintaining clamping force.

A lawn mower waterproof member seals the driving source mounting portion against cleaning water ingress.

Segmented annular seal with spaced arcuate arms prevents cross section distortion when stacked for redundant sealing.

Curved deformable sections in a gasket allow smaller injection machines by reducing the required molding footprint for large battery covers.

An elastomeric radial shaft seal incorporates a plastic ring insert that maintains centric alignment and protects the sealing lip from damage during assembly.

An inclined fluid jet impinges on a first flow restriction to disrupt kinetic energy, reducing leakage flow through the turbine seal.

Curved core boundaries reduce assembly force while elastic protrusions manage trim strip movement to maintain sealing performance.

A film-integrated gasket uses a recessed resin support to lower compression ratios.

Segmented passages in the annular seal member generate negative pressure, reducing noise and preventing deformation during fluid machine operation.

A cup seal uses a projection on its inner lip to constrain axial movement against a tapered piston surface.

Metal-coated elastomeric seals prevent gas diffusion and light leakage in vacuum systems while enabling reuse.

Slide ring seal directs sealing gas flow to protect motor bearings from soot and condensate ingress while minimizing thermal stress.

An integrated can structure supports primary and scraper seals, simplifying installation while ensuring reliable sealing performance.

A strand-shaped sealing profile features a transverse recess that channels water from the fastening side to the exterior.

Introducing a pressurized medium into the annular retaining member generates seal pressure exceeding food product pressure, preventing rear seal bearing leaks.

Segmented fluid blocks with pumping parts create dynamic pressure to form a lubricating film, preventing leakage during start-up rotation.

A multi-material seal uses metal outer lip portions to shield a resilient inner core from harsh fluid exposure.

A dual seal ring assembly synchronizes radial shoe motion to maintain consistent clearance.

A turbine bearing seal assembly uses a flexible lip to isolate the interior from contaminants.

A fractured piston ring expands elastically to fit sealing rings into fluid pressure cylinder grooves without external jigs.

A bidirectional valve seal assembly uses a spacer ring to maintain spacing between opposing seals.

Extruding thermoplastic elastomer sealing strips in a pre-bent shape using asymmetric die flow and calibration to eliminate unwanted folds during installation.

Segmented Y-shaped sealing ring with radial support rings reduces volume absorption and hysteresis in hydraulic clutch slave cylinders.

Deforming one plate over another secures the brush seal assembly, enabling alloy plate reuse and lowering replacement costs.

A downward inclined bead part channels water into drainage holes, preventing accumulation along the hollow seal edge that causes leaks when doors open.

An elastic gasket with a twice-bent hook creates microscopic gaps to equalize pressure, preventing particle contamination and facilitating easy lid opening.

A rigid backing ring supports the seal ring to prevent cold-flow and creep, ensuring reliable sealing in high-pressure dynamic services.

Varying fold valley depths prevent shaft contact and abrasion, extending service life in sliding constant velocity joints.