Engine Seals TRIZ Cases

A tapered bore and tear-drop orifice dynamically adjust fluid resistance to eliminate shock forces while maintaining piston speed control.

A tapered face seal geometry minimizes radial wear through controlled surface profiles.

Pumping areas create fluid lubrication while a high-lubricity seal dam prevents leakage during initial rotation.

Hinged extensions on a rigid carrier adapt to varying cavity geometries, enabling sealing and reinforcement without specialized designs.

A wet seal chamber isolates the pump seal using a lubricant and resilient member, preventing overheating during dry runs and extending component lifespan.

A three-member seal structure uses recessed and chamfered joint surfaces to collect and distribute liquid gasket for effective sealing.

A gasket design uses tapered end face projections and arc-shaped main body surfaces to maintain stable pressure contact within parallel grooves.

Protrusions between seal fins create re-adhesion edges and cavities to stabilize leak currents in rotating machinery.

An asymmetric gasket design maintains seal integrity despite groove width variations by directing body displacement to preserve contact.

A diffuser component fills the gap between a downsized compressor impeller and bearing housing, preventing air leakage that reduces compression efficiency.

Segmented sliding seals with frustoconical rings accommodate deflection without material deformation, improving wear resistance and temperature capability.

Roller elements convert sliding friction to rolling motion in a swivel joint, reducing torque and preventing leakage of volatile chemicals.

Segmented seal assemblies with adjustable longitudinal shafts accommodate wall thickness variations, preventing water ingress during slide-out room extension.

Segmented cavities protect the alternator from supercritical conditions, using ridges to balance thrust and seals to cool the rotor cavity.

An integral abradable seal structure prevents brazing material wicking into honeycomb cells.

A pressure regulation system adjusts barrier fluid pressure via a moveable member to prevent process fluid ingress and reduce leakage in subsea environments.

Shape memory alloy switching elements in a vehicle seal actuator enable remote deformation of the sealing element, reducing wear during operation.

Protruded dust lips on a flexible seal body elastically deform to block soil infiltration at the arm and bucket joint, reducing component wear.

Segmented baffles manage thermal expansion while reducing purge fluid consumption to protect radiant syngas coolers from corrosion.

Merging separate seals into one integral rotor component eliminates assembly misalignment and twisting, maintaining consistent viscous fluid containment.

Axially pushing a plastic sealing sleeve onto a shaft seat eliminates welding steps while maintaining secure attachment reliability.

A U-shaped metal seal uses a reinforcing outer-fit member to restrict deformation under fluid pressure.

Engagement beads compress a caulking sponge in the glass run corner to seal gaps, eliminating adhesive staining and degreasing steps.

T-shaped grooves in split flanges circulate inert gas to detect process leaks, isolating bolts from hazardous exposure and reducing maintenance costs.

An in situ grown diamond coating on a carbide sliding ring prevents corrosion and wear in aggressive media.

Segmenting structural support into multiple thin beams increases stiffness while reducing stress, preventing low cycle fatigue in rotating engine structures.

Axial driver elements prevent rotation of the sliding ring while maintaining axial mobility and reducing overall seal length.

A shaft sealing device uses a communication path to replenish fluid between sliding surfaces.

A disintegrable metallic seal uses a cellular nanomatrix to provide temporary downhole sealing.

Composite rubber and conductive fiber gaskets shield aircraft electronics from electromagnetic interference while maintaining airtight sealing performance.

A press seal with a lateral display region enables visual verification of the clamping state without top-down access.

Segmented flange features engage a trim strip fit portion to prevent displacement, while sealing protrusions block rust and noise entry.

Guide rollers maintain constant probe-to-wiper distance, eliminating polytetrafluoroethylene film application and reducing preparation time.

Compressible ring members between sealing plates deform during hitch oscillations, preventing foreign material entry into the bearing system.

An elastic L-shaped metal sheet forms an arc seal that adapts to turbine shaft movement through reciprocating toothed fingers.

A doorframe molding mounting structure uses a bracket with a cut-out part to engage a shaft and rib for secure temporary fixation.

A packing resistant radial lip seal employs an asymmetric configuration and air gaps to form closed cavities that reduce friction and prevent cutting intrusion.

A segmented mid-turbine frame inner flowpath ring minimizes aerodynamic resistance in gas turbine engines.

Segmented radial sealing ring with guide bodies reduces axial height and prevents leakage in vehicle compressed air control valves.

A flow directing gasket with enclosed areas and arm members grips micro-electronic devices to manage fluid distribution within electron microscope sample holders.

An elastomeric gasket string uses an angled tube wall to conceal ventilation openings, eliminating laser drilling contamination and reducing production effort.

Bumper structure spaced from barrel prevents seal lip inversion under sustained high pressure or vacuum spikes.

Ultra-high purity expanded graphite in a sphered-band seal reduces weight loss from oxidative wear while preserving flexibility and sealing integrity.

Separating the barrier film from the foam body simplifies production while preventing coating cracks during elastic relaxation.

A metal seal ring with slanted mating surfaces flexes radially inward under pressure to create a tight joint between blowout preventer components.

An annular horizontal seal and upper mast cover form a labyrinthine path that prevents water intrusion into the rotor mast structure.

Guide section reduces friction to lower magnetic force requirements while maintaining reliable high-pressure valve closure.

Segmented labyrinth portions and axial extension create a discharge path that prevents muddy water accumulation and reduces seal lip abrasion.

Asymmetric punch geometry concentrates force to form seal grooves, preventing shoulder protrusion and reducing pressing pressure.

An extended trim edge masks the seal junction against frame movement, resolving aesthetic gaps caused by assembly variations.