Engine Seals TRIZ Cases

A solid-aid radiation-crosslinked fluoroelastomer cuts mixing time and improves moldability, sealability, tensile strength, and elongation.

A spring-loaded three-ring seal keeps the main ring fixed on the shaft to limit wear and maintain long-term lubricant sealing.

Microporous heating spreads heat across the atomizing surface, reducing uneven vapor particle size and improving e-cigarette taste.

Asymmetric keyway and counterbore features force correct mating plate orientation, improving aircraft powerplant seal installation reliability.

Recessed grooves and enlarged communication paths boost oil-film dynamic pressure, cutting torque while preserving seal ring rigidity and sealing.

A nested dual-ring connector with locking tabs improves sealing under uneven pressure and thermal expansion while preventing ring misalignment.

Radial movement channels let a gas turbine seal support absorb vibration while retaining circumferential seal positioning to reduce wear.

A thermoset plastic shield overlaps the combustion region to protect the elastomeric seal and prevent gas leakage and carbon buildup.

A channeled template guides sealant routing, volume, and placement on machine surfaces for accurate field gasket repair and assembly.

A dual-adhesive compressible gasket deforms to seal gaps between a male piercer and pouch, reducing leaks from misalignment and damage.

Controlled multi-layer seal widths and laser heating reduce thermal stress while preserving hermeticity and glass temper in vacuum panels.

An elastic cantilever and gasket seal the case gap before full engagement, stabilizing waterproof assembly without precise pressure control.

A unitary drain body with integrated overflow openings and a simplified actuator cuts leak paths, assembly time, and manufacturing cost.

Offset hydrodynamic waves on both sides of the sealing lip create a narrow rotary seal that maintains lubrication and sealing under high pressure.

Spring-loaded slots in the non-rotating seal ring improve alignment and sealing contact, helping cartridge seals reduce wear and extend service life.

A laser-formed multilayer ceramic edge seal improves hermeticity in vacuum insulated panels while reducing thermal stress and glass de-tempering.

Opposed bias members integrated with an annular seal remove motor shaft axial play, improving gear torque transfer and reducing latch vibration and noise.

Localized near-IR laser heating forms a hermetic vacuum panel seal while reducing glass de-tempering, thermal stress gradients, and breakage.

Overlapping four-sector sealing parts improve circumferential locking, limit leakage between stator units, and allow easier assembly under thermal expansion.

Pressure and volume changes in a sealed fluid chamber reveal packer wear early, enabling predictive maintenance and reducing leakage risk.

A ceramic fiber shield blocks combustion heat from an elastomeric housing seal, reducing gas leakage and side housing thermal stress.

Controlled three-layer seal thickness and laser heating maintain hermeticity while limiting glass de-tempering in vacuum insulated panels.

An annular recess and oil-resistant covering shield the seal from oil contact, reducing antioxidant loss and extending sealing life.

Split retainers and modular seals let pitch actuator rod seals be replaced quickly, cutting wind turbine maintenance downtime and cost.

A clamp-secured retainer and single V-nested spring seal cut fluid end wear, maintenance, and thread-related cracking under cyclic pressure.

A segmented split ring with clamping and conical sleeves transmits axial force while preventing sliding-surface waviness in harsh seals.

A dual-zone labyrinth seal uses non-flammable stator teeth in oxygen-rich gas to limit leakage while reducing ignition risk in compressors and expanders.

Bench-recorded target data is compared with in-service seal data to detect slip-ring seal deviations early with low computing effort.

A U-shaped sealing profile replaces sealant in double drywall joints, speeding alignment while enabling visible depth checks and reliable fire sealing.

Zone-specific tooth materials and a buffer gas barrier help labyrinth seals contain oxygen-rich process gas while lowering ignition risk.

Graded polymer layers localize wear-resistant fillers while preserving strength, extending bearing life in compressors and rotating machinery.

Bore sizing and multi-point tube support reduce evacuation tube tilting, improving seal adhesion, hermeticity, and glass durability.

Engineered bore roughness improves evacuation tube seal adhesion, reducing glass cracking while maintaining vacuum hermeticity.

A rigid lip and movable lip with a movement space maintain sealing under shaft deflection and temperature-driven length changes.

Composite pressure breaker rings combine a polymer contact surface and metal support to cut seal wear, leakage, and lubrication needs in gas compressors.

A pre-assembled seal cartridge fixes stationary and rotatable sealing units in one module to prevent faulty separator assembly and preserve sterility.

A movable sealing unit follows 3D pivot pin motion in a combine harvester sieve, preventing grain escape without restricting oscillation.

Offset intake and discharge passages in a high-pressure pump plug help limit leakage, fatigue cracking, and corrosion in fluid ends.

An inclined plugging part and seawater-expanding seal improve support and stop cement slurry leakage between inner and outer barrels.

A radial sealing plug keeps brake recess inner faces paint-free while allowing full end-face coating for corrosion resistance.

Internal hollow portions create new surface recesses as wear progresses, preserving fluid retention, lubricity, and leakage resistance.

A stepped annular gasket plastically deforms at flange seal surfaces to remove dead space, improve sealability, and support helium leak detection.

A cantilevered seal shoe pivots under aerodynamic forces to avoid spring friction, preventing lock-up, wear, and heat under pressure differentials.

Preforming rubber in a groove before adhesive coating keeps the base material cleaner while maintaining stable seal-member adhesion.

A sealing member with a ventilation passage balances tank pressure, preventing dry burning and maintaining liquid flow to the heating part.

Spherical metal-to-metal contact and an anchoring flange simplify subsea dynamic sealing while cutting manufacturing and installation effort.

A compliant seal in a CMC blade outer air seal absorbs thermal expansion and contraction to maintain vane sealing and prevent material distress.

A curved bypass channel acts as a passive check valve in a gas turbine labyrinth seal to cut leakage with fewer knife stages.

A bypass line and throttle element balance seal pressure on moving shafts, cutting high-pressure fluid loss while limiting wear.

A conductive non-woven element grounds the shaft through the seal cartridge while preserving strong contamination exclusion and low torque.