Engine Seals TRIZ Cases

Segmented labyrinth galleries and periodic purging prevent contaminant entry while maintaining lubrication in harsh axle environments.

A hybrid structure couples an isolation sheet to a sealant on a first component, then attaches a second dissimilar component to prevent galvanic corrosion.

Friction ribs on resilient seal portions retain the component in recesses, preventing adhesive failure in wet environments.

Integrated gasket combines sealing, electrical isolation, and fire safety into one unit to eliminate multiple component complexity.

Mold a curved end onto a vehicle door weather strip carrier body to eliminate visible angular transitions between the glass run channel and outer belt.

A fluid pump piston support uses a diamond coating to reduce friction, preventing seal extrusion and extending service life in high-pressure HPLC systems.

Segmented shaft seals prevent corrosion on turbomachine gearings by replacing costly chrome plating with replaceable sealing rings.

Segmented media supply and flexible tool axes resolve weight-precision trade-offs in spatial tape processing.

Locating and retaining stubs on the gasket peripheral edges position the seal accurately, preventing displacement and reducing stress on the material.

Step portions guide insertion to prevent collision damage while back-up rings protect the O-ring from pressure-induced deformation.

Segmented rotary and stationary rings with guide pieces prevent positional deviation in cartridge seals handling volatile fluids.

A silicone boot smaller diameter portion uses a thin section to enable buckling deformation and disperse stress at the coupling corner.

Dual-sided drive pins stabilize stationary rings, preventing cantilever bending and contamination.

A conical gasket and support element compress against a cover to counteract thermal expansion differences between parts with mismatched coefficients.

Segmented tonneau cover panels pivot on elastomeric hinges to provide selective cargo bed access while maintaining water seals at connection points.

Segmented elastomer sealing portions prevent abrupt gas leaks and erosion damage to connecting layers.

A compressible bulb seal integrates a light channel to illuminate vehicle closure panels.

Molded sealing lip prevents rainwater ingress into vehicle sunroof frame grooves, resolving leakage risks without increasing structural complexity.

Vulcanized integral bellows bond directly to the bushing, eliminating separate attaching members and preventing loosening under vibration.

An inverted bowl gasket pocket enables upright motor sealant filling, eliminating assembly time and safety hazards from pivoting heavy equipment.

An L-shaped seal with oversized limbs fits into a matching groove to secure component gaps.

Dual-size graphite lubricants reduce friction in silicon carbide ceramics, resolving the trade-off between hardness and sliding reliability.

Segmented wiper sections remove abrasive particles before they reach elastomeric elements, preventing leakage during axial shaft movement.

An intermediate substrate with a longitudinal through-hole insulates exhaust heat from gasket beads, preventing deterioration in long bolt pitch areas.

A seal matrix embeds hard particles to resist abrasive erosion from particulate impacts.

Soft gasket sheet with cut-through pattern and integrated pins enables precise positioning between channel and barrier plates.

A weather strip seal lip section supported by a protruding structure maintains door glass position in the closed state.

Non-metallic fiber brush seals prevent oil migration to dry gas seals under reduced buffer gas flow, lowering separation gas consumption.

Offset load ring segments prevent debris accumulation in the seal cavity, eliminating heel under failures and ensuring lubricant retention.

Temperature-sensitive elastic guide element hardens at low temperatures to prevent radial piston movement and protect the seal.

A series seal assembly reduces leakage airflow in gas turbine engines by combining pressure-resistant and temperature-tolerant elements.

A weatherstrip base with a V-shaped center portion applies counterforce to press side rims against the retainer.

A laminated gasket uses narrowed seal beads between adjacent through holes to support engine downsizing.

A fluid pressure piston packing uses an integrated support ring to constrain transverse displacement while maintaining seal contact.

Flexible sealing gasket closes interspace between fan support and cross-member, preventing air leakage to improve ventilation efficiency.

A flexible tonneau cover assembly uses side rails and a spring-biased latch mechanism for tool-free installation.

A flexible stuffing box packing assembly uses segmented rings to transfer pressure sequentially while allowing radial expansion.

Chamfered inner web sections guide the metallic insert into position during vulcanization, eliminating asymmetrical support and leakage risks.

Centrifugal disk with radial bores recirculates oil to eliminate friction losses in gear units while maintaining sealing effectiveness.

Micro-textured seal lips paired with low viscosity grease reduce sliding friction while suppressing lip abrasion.

Tantalum coating on silicon carbide seal rings resists electrical corrosion in ultra-pure water.

A stiff intermediate disk separates the elastomeric bellows from the shaft surface, preventing fixation and reducing friction during axial movement.

A hybrid door outside belt uses PVC for the skin layer and TPV for the main wing to balance scratch resistance with uniform appearance.

Tapered bore tools gradually compress ring seals axially to prevent damage and ensure leak-proof seating in gas turbine components.

Pivoting cover members engage closure elements to seal gaps created during tilting, resolving reliability issues in vehicle open roof systems.

Large fluororesin fillers in the coating agent increase surface roughness, which reduces dynamic friction while maintaining seal reliability.

Stress-accommodating membrane maintains sealing reliability in regenerative air preheaters despite thermal expansion and operational wear.

A spatially adjustable arm uses a spring-loaded stabilizer to maintain parallel joint axes and enable easy handling.

Floating stator dynamics resolve the trade-off between tight sealing clearance and shaft misalignment, reducing wear through fluid pressure equalization.