Engine Seals TRIZ Cases

A flat gasket sheet with an integrated edging fold restricts bead deformation through a single bending region and flange.

An S-shaped inner lip with a swelled intermediate part prevents outer lip draw during assembly, resolving sealing versus manufacturing trade-offs.

Segmented fastening units compress a deformable sealing body against wall elements, eliminating welding complexity while maintaining fire protection integrity.

An asymmetric gasket design accommodates tapered groove tolerances, preventing lifting and inclination while maintaining stable sealing performance.

Clockwise splines on the mating flange direct oil back into the alternator interior, preventing leakage from design flaws.

Annular sealing gasket features a leakage recess with straight sections inside the main circular contour to allow fluid passage before crimping.

Abradable shroud seal systems maintain optimal turbine tip clearance through controlled material removal during rotor-stator interaction.

End caps attached to the cover plate contain sealing lips to prevent dirt ingress while maintaining smooth stroke movement.

An undercut shaft seal with a pitot tube deflects oil waves to prevent seal contamination.

Optimized membrane lengths and localized crest positioning prevent root pinching, ensuring durability under high temperatures.

A hollow tubular inflatable seal rolls relative to its base to eliminate rubbing between the slit valve door and chamber body.

Mechanical clips replace adhesive bonding and stitching on truck tonneau covers, resolving fastener separation and material damage.

Variable dimple angles in sliding components optimize sealing performance and reduce sliding torque across wide rotation speed ranges.

Integrates elastomeric sealing lips and a reinforcing ring into one vulcanized unit to simplify assembly.

Variable pitch helixes and snap connections reduce axial dimensions while enabling easy replacement without dismantling.

Polymeric sealing lip contains embedded magnetizable particles to generate pressing force against a rotating shaft.

A wireline pressure control apparatus uses radial passages to equalize pressure between the bore and tube exterior.

Segmented closed profiles provide integral transport protection, eliminating separate keder components and simplifying assembly alignment.

Layered finger seals maintain sealing integrity across pressure reversals by distributing load uniformly via spring-loaded deflection.

Radial clip design simplifies installation while preventing water ingress and vibration transmission in motor vehicle dampers.

Carbon graphite seal rings eliminate electrical pitting and hot corrosion in hydrogen-cooled dynamoelectric machines.

Segmented seals actuated by a single piston retain riser annulus pressure while reducing frictional wear.

A chromatography column sealing assembly uses a low-friction PTFE element and resilient O-ring to form a stable seal.

A unitary packing seal uses a rigid cartridge to hold dual durometer components for reciprocating pump applications.

An oblique lip pitch angle on a heat exchanger seal prevents contaminant infiltration during thermal cycling by maintaining continuous compression.

Multiple holes in a cylindrical distributor prevent thermal deformation and vibrations during compressor restarts.

An annular protrusion flow path directs accumulated pressure to the outer lip, preventing fluid leakage and maintaining sealing performance.

A silicone elastomer seals high-pressure hydrogen containers using specific siloxane segments to maintain structural integrity under variable pressure.

Stripe-shaped projections inside sealing face dimples redirect fluid flow to enhance component integrity.

A gas buffer layer shields seals from reactive process gas contamination, extending service intervals and maintaining vacuum integrity.

A gear reduction assembly in an epicyclic washpipe swivel cartridge lowers rotational speed between mating components.

Merges separate sealing components into one piece, resolving the trade-off between reliable sealing function and increased fuel tank weight.

A segmented polymer or ceramic sealing ring bonded to a metal reinforcement layer that maintains the brittle material in compression during piston operation.

Segmenting the roof into a fixed hard top and lightweight soft panel reduces storage bulk while maintaining weather protection.

A capillary weld extension thermally isolates the seal body to maintain weld temperatures below outgassing thresholds during vacuum bakeout.

Vacuum induction melting and arc remelting of a specific steel alloy increase packing cup fatigue life by over 40% compared to conventional materials.

A wave energy converter uses rolling membranes to drive fluid flow through a turbine for efficient energy conversion.

A turbocompressor housing uses a dual sealing element design with an intermediate chamber to actively discharge leakage via negative pressure.

A rotary shaft sealing device integrates a bearing ring and sealing washer to form an airtight barrier against external contaminants.

Integrated valve recess eliminates separate holder components, reducing device complexity while maintaining reliable one-way fluid sealing.

A Y-shaped polyurethane sealing ring uses embedded friction-reducing additives to lower torque.

A bore sealing arrangement uses an interrupted helical channel to achieve liquid-tight and gas-tight integrity between a threaded screw and component.

Electric actuators automate heavy armored vehicle doors, resolving the contradiction between increased protection weight and manual opening effort.

Inclined stitches cover filler ends to prevent slipping while maintaining low wire ratios that reduce manufacturing costs.

Asymmetric T-profile sections in a compact drive ring prevent detachment during installation while maintaining reliable rotational drive transmission.

Segmented graphite seals protect coal mill drive shafts from dust ingress while simplifying assembly and extending service life.

A sealing profile spring leg features a projecting lip that bears against vehicle window attachments to maintain contact.

A sliding roof deflector blade pivots via a cam member to project upward for airflow management.