Engine Seals TRIZ Cases

U-shaped tensioning bow holds folding top buttresses above compartment cover, resolving storage complexity through dynamic positioning and segmentation.

Spiral comb tooth mechanism generates internal airflow to create micro-positive pressure in the annular gap between stator and rotor.

A polymer member in compliant contact with metallic leaf seals eliminates inter-leaf leakage between successive seal element layers.

Angled window seal body directs water from the lip into a collector and gutter portion to prevent freezing at door latches in cold climates.

A helical compression spring with specific pitch reduces mass while increasing stiffness to maintain radial sealing contact pressure.

Helical shaft seal striations generate a pumping effect to return lubricating oil, preventing leakage into turbine housings and reducing engine emissions.

Projections on the gasket body absorb reaction forces and prevent falling, reducing fabrication costs for imprecise grooves.

A thermoplastic elastomer composition balances adhesion and slideability using controlled silicone compound ratios.

Elastic stop fingers absorb impact during initialization, preventing guide rail damage and injury risks while maintaining positional accuracy.

A block copolymer foam molded body enhances vibration damping and sound insulation through a crosslinked cellular structure.

Segmented punches cut composite seal coatings and rigid substrates sequentially, preventing substrate warping during automated manufacturing.

An automated lubrication system delivers precise grease volumes to oil well stuffing boxes via a controller-activated pump.

Raised ribs on a gasket body seal fastener-free receiving elements in an inspection cover seat, cutting assembly time while maintaining sealing pressure.

Segmented bonnet housing protects wireless monitoring electronics from weather without blocking dry barrel hydrant water flow.

An integrated projection and internal flow passage in a vehicle door seal channel excess moisture away from the latch mechanism to prevent freezing damage.

Slidable retainer assembly with compressible portion engages bow channel, allowing fabric replacement through a gap without dismantling the support structure.

Elastomeric bridging seal fills gaps between spoilers and shroud panels to reduce drag and noise while preventing structural stress concentrations.

Surface pressure generation portions reduce bore deformation in cylinder head gaskets.

Segmented roof covering shifts side parts relative to a fixed roll bar, resolving mechanical complexity during operation.

A split seal cover structure simplifies mechanical seal maintenance by allowing the seal ring to be removed as a single unit.

Locking protrusions in the fitting groove engage gasket features to prevent twisting and deformation during assembly of small cross-section seals.

A segmented seal assembly combines stainless steel and copper to transfer heat from the nozzle housing while resisting clamp loads.

Intermediary pressing force overcomes housing friction to ensure reliable activation of abradable seal rings under high load conditions.

A tapered elastomer seal with a concave surface adapts to varying gap widths on pickup truck beds.

Controlled seal shaft axial distance prevents rotor imbalance and vibration in air cycle machines by limiting variation ratios.

Elastic bodies force seal ring ends apart to expand the outer diameter, maintaining shaft contact and preventing oil leakage during low-pressure engine startup.

Segmented elastic sealing components maintain inner and outer ring spacing while preventing axial separation, reducing production costs.

Crosslinked olefin domains disperse silicone compound uniformly in sliding material, preventing molding failures and reducing squeaking noise.

A photocurable elastomer composition balances flexibility and barrier properties for hard disk drive gaskets.

A magnetic fluid sealed bearing unit uses non-magnetic support members to stabilize the magnetic circuit and retain fluid.

Deformable tube coupling tool aligns divided sealing rings, reducing processing complexity and improving assembling precision.

Inclined scattering grooves on a turbine rotor shaft redirect bearing oil via centrifugal force, preventing carbonization at the oil deflector.

Metal outer layers bend to form flanges that contact directly, creating a gas-tight seal around axially aligned openings in the gasket assembly.

A curable resin composition combines polyisobutylene and siloxane oligomers to deliver low viscosity and high elongation.

Segmented seal plate design uses axial scoop to collect lubricant, reducing stress concentrations in oil passages.

One-piece molded seals eliminate O-ring leakage and assembly delays in turbomolecular pumps.

Segmenting side outer panels from structural frameworks improves moldability while allowing lighter materials to reduce vehicle weight.

A U-shaped protective member with a hook part and elastic side wall fastens to an anchoring part, eliminating manual pressing to reduce assembly time.

Offset stacked seal rings with canted-coil springs prevent fluid leakage in high-temperature piping systems.

A dual seal configuration accommodates radial and axial shaft movements through dynamic element displacement.

A radially displaceable seal body with a biasing member maintains sealing engagement with a shaft.

A seal member with an insert-through portion guides the earth member through a cover opening to establish electrical continuity.

Asymmetric flow path links valves to generate swirling fluid motion, preventing chemical pooling and solidification in dead zones.

A turbomachine seal assembly uses a spring-biased ring to maintain close clearances and prevent rubbing.

A hollow upright profile contains a hatch assistance cylinder within a sealed dry zone to protect components from external conditions.

A cassette seal uses a third sealing lip projecting beyond the cover to form a labyrinth barrier against contaminants.

Extruded elastomeric profiles merge jamming detection, trauma prevention, and cut protection into a single trimmable unit to reduce component complexity.

A sealed bearing assembly uses a magnetic ferrofluid ring to block leakage while allowing shaft swing, maintaining vacuum integrity under high speed.

Fumed silica controls bubble nucleation in organopolysiloxane, preventing filler settling and achieving homogeneous sub-millimeter bubbles.