Engine Seals TRIZ Cases

An L-shaped carrying ring anchors a plastic sleeve via a circumferential collar, preventing axial displacement from pressure imbalances in hydraulic end stops.

A valve seat assembly seal compresses between a cage and tapered valve body to form a fluid barrier.

Rigid inserts integrated into the resilient gasket body prevent excessive deformation and physical damage during manway cover attachment.

A floating plastic shield creates a labyrinth seal within an annular chamber to protect wheel hub components from external contaminants.

A detachable protective lip on a rubber wiping element shields movable components from environmental contaminants during transport and assembly.

Plastic film decouples molded reinforcement from vehicle roof panels, preventing shrinkage forces from transferring to the panel and causing internal stresses.

Peroxidic cross-linking of bromobutyl elastomer reduces gas permeation, replacing disposable metal seals in aggressive environments.

A self-contact seal uses a pushing bead on the sealing lip to maintain shaft engagement through axial leg flexion.

Differential thermal expansion maintains interference fit between brush seal ring and stator, preventing relative movement during turbomachine operation.

A gravity-fed lubrication mechanism cools a mechanical seal during pump shutdowns, preventing thermal rupture when fluid flow stops.

Nested sealing rings create a leakage shielding space at glove box interfaces to block moisture and oxygen ingress below 1ppm.

Welded metal bellows compensates for thermal expansion at cryogenic temperatures, preventing leakage in rotary union seals.

Resin and rubber sealing rings maintain fluid pressure in automatic transmissions by preventing leakage during low pressure engine restarts.

An annular ring with a concave notch sleeves a protruded edge to create a secure mechanical seal.

A silicone rubber gasket uses segmented bosses to create long axial seals for electrical connector pins.

Segmented panels on a cable tonneau system pivot along side rails to accommodate oversized loads without full detachment, resolving range of motion limits.

Hollow glass microspheres crush under high transient pressures to absorb energy, maintaining seal integrity across wide temperature ranges.

A vehicle roof uses setting-out levers to continuously support a movable part while an independent side screen seals the edge.

A temperature sensitive control ring dampens vibrations during cold engine start-ups to protect hydrostatic seals.

A plunger pump isolates the drive chamber with a metal bellows, preventing abrasion particles and germs from contaminating liquid food during homogenization.

An orifice plate carrier uses a retaining ring to secure an annular seal within the assembly.

Hydrophobic surfaces on movable components alter surface tension to prevent fluid penetration, eliminating friction and complexity from traditional seals.

A branched grease pathway directs lubricant through a release bearing cover substrate to specific exit ports.

A stepped resin carrier film supports a thin rubber gasket body, preventing twisting and enabling easy detachment from the gasket surface.

Axially extending ring portion with circumferential stiffeners enhances structural rigidity in turbomachine sealing assemblies.

Twisted fiber bundles resolve the stiffness-weight trade-off, enabling brush seals to seal gaps exceeding 0.5 mm in high-movement turbine engines.

High and low pressure plates keep annular sheets in constant contact, preventing flutter behavior and fatigue failure caused by rotor eccentricity.

A low-temperature conduit coupling uses expanding lip seals and thermal insulation to maintain reliable sealing integrity.

Through-thickness orifices in the annular diaphragm prevent air pressure differentials from locking the seal against the housing.

I-beam honeycomb gasket seals gaps around cables, preventing coolant leakage and airflow bypass in electronic assemblies.

Dual biasing devices press a segmented seal body against flat flange surfaces, preventing gas infiltration caused by thermal expansion.

Three-dimensional lip edge barriers prevent dust intrusion, inhibiting sealing fluid leakage caused by trapped particles.

Transferring torque limitation to the fastener simplifies gasket production and reduces assembly time.

A tubular sealing portion with acute corners seals the gap between a vehicle window and body pillar.

Curved locking protrusion prevents detachment and snagging during valve stem seal assembly.

Air inflow ports enable pneumatic detachment of the rubber gasket from the resin carrier sheet, resolving stacking difficulties caused by thin gasket geometry.

Metallic intermediary shield absorbs frictional heat to protect elastomer sealing bellows from thermal overload in commercial vehicle disc brakes.

Segmenting the seal into a floor wiper and side wall leg resolves breaches at the lower interface, preventing water ingress and debris entry.

Outer and inner covers connect via a rigid portion inserted into a window frame notch to prevent detachment under external forces.

A sliding door sealing member directs water into a hollow part via a connection wall hole to reduce leakage.

Angled flange stop faces and axial urging force maintain seals during cable displacement, preventing leaks from stiffening agents.

Radial passages in the counter-ring divert leak fluid into a pressurized blocking compartment, preventing axial leakage and enabling early detection.

Eliminating folded steel portions and using liner projection reduces manufacturing costs while maintaining compression force capacity.

A construction element uses a grooved retaining element to anchor an adhesive product between stacked sheets for secure bonding.

Telescopic lever arm reduces spring force and noise by adjusting mechanical advantage during vehicle wind deflector reset.

Segmented connection element with intermediary gripping surfaces reduces stress concentrations and prevents plastic deformation at the crosshead interface.

Segmented hydrodynamic face seals mitigate thermal coning and assembly complexity on large diameter shafts while maintaining sealing effectiveness.

Dynamic seal segments adapt to thermal expansion, preventing rubbing while reducing fluid leakage.