Engine Seals TRIZ Cases

Segmented sealing members guide contaminants away from the compartment while reducing closing force to prevent door damage.

Adaptive seal assembly resolves drag versus entrapment contradiction by dynamically adjusting blade position via pressure gradients.

An elastomer torsion member replaces metal springs in a swing door sealing assembly, protecting the elastic component from corrosive environments.

A flange joining structure uses a seal body with an annular metallic base and an integrally formed elastic sealing unit to secure the connection interface.

A seal member with a resiliently flexible intermediate portion accommodates relative movement between rigid ring and flange segments.

An annular metallic flat gasket with kinking sections adapts to thermal variations and mechanical movements in combustion engines.

Plural linear cuts in the seal member reduce lip base end rigidity, allowing extension against tooth bottom lands despite pressure differences.

Segmented holding parts anchor the installation base member, resisting tensile forces from door glass movement while preserving water drainage channels.

A fluid seal assembly uses shape-memory alloy fasteners to compress a sleeve against a downhole tool.

Segmented filter holders remove contaminants from lubrication films, preventing seal damage while simplifying maintenance procedures.

A turbomachine sealing system uses a pressurized gas chamber between two seals to maintain tightness during rotor rotation.

Reduced radius zones enable elastic deformation for closed groove installation, eliminating downtime from housing disassembly.

A fluid seal assembly uses a converging groove to retain the seal element and project it beyond the sealing face.

A wheel hub sealing device uses a deformable silicone bead to form a static seal against environmental contaminants.

A compact egress seal fitting uses a driver to apply axial pressure on a seal member, expanding it radially against a cable within a housing.

A mechanical seal with a narrow face width deforms to form a fluid lubricant film, reducing heat generation and abrasion during operation.

An elastic fastening element prevents fretting in gas seals by allowing controlled radial deformation that counters axial inertial forces and prestressing.

An inboard-extending hook on the windshield molding aligns with a cover engaging member, resolving installation misalignment and ensuring secure positioning.

A sealing system uses a pressure chamber and high-pressure seals to capture leakage fluid between rotor and stator units.

Seal assembly integrates scraper and absorbent elements to remove fluid from surgical instruments, preventing lens contamination and maintaining visibility.

Profiled transition areas position anti-rotation lugs near the sliding surface to absorb torsional forces and prevent elastomer shear-off.

Heated blowing shapes a cylindrical casing into a sphere, reducing axial assembly forces that cause excessive wear and compromising seal longevity.

Interspersed intumescent springs in foam members deliver wave-like spring recovery, resolving the trade-off between fire resistance and movement capabilities.

Selective laser hardening creates a hardness gradient in the seal bead, resolving insufficient fastening force caused by reduced engine block thickness.

Polycrystalline diamond dynamic seal maintains sub-thousand-inch clearance to allow fluid flow while blocking abrasive particulate matter.

A cross-linked elastomer composition combines ethylene/alpha-olefin multiblock copolymers with styrene-based block copolymers and crosslinkable polymers.

A hemming structure for hybrid doors uses a dual-sealer system to bond aluminum and steel panels.

A sliding component uses fluid circulation grooves and positive-pressure mechanisms to actively move liquid across sealing faces.

A single motor structure drives a panorama sunroof glass and roll blind via rotating shafts and actuating gears.

An annular support ring stabilizes the elastically deformable sealing disc in a multi-port valve to prevent radial expansion under fluid pressure.

A sealing assembly exploits differential thermal expansion between valve components to maintain a tight seal at elevated temperatures.

Radial element displacement onto a pusher retention surface reduces component count and manufacturing cost in downhole seal setting tools.

An oblique sealing collar redirects escaping grease inward and blocks contaminants via a perpendicular edge, preventing suction funnel ingress.

Segmented shunt elements redirect magnetic flux to enhance field gradient, increasing pressure capacity while reducing viscous drag on the seal.

Organopolysiloxane composition sinters into a ceramic mass to maintain molded geometry after prolonged flame exposure.

A sealing device uses annular edges with chicanes to form bearing zones for identification devices on flush human-machine interfaces.

A hybrid seal assembly with a resilient bias member and brush seal engages the annular diffuser face to minimize core airflow leakage.

Segmented intershaft seals use a spacer ring and anti-rotation pin to eliminate rotational contact, reducing wear and heating in turbine engines.

A tight package sensor seal uses a flexible membrane to connect reinforcing inserts for secure engagement.

A folding top clamp uses a transverse electric motor and triple-geared unit to drive the locking hook.

Disk-like seal means project radially to cover flange sections, forming a secondary sealing point that reduces thermal expansion effects on the primary seal.

An exterior member extends beyond the door edge to prevent gaps while a slanting seal directs drainage water away from the frame section.

A seal ring uses fluid pressure to spread sealing lips against opposing faces, creating a reversible axial connection between moving parts.

Congruent non-circular tubular portions guide an annular rubber sealing member to maintain interface integrity under asymmetric loads.

Segmented sealing dams and a dedicated channel maintain pressure balance to prevent oil weepage during turbomachinery pressure reversals.

An inserted gap-filling part prevents moisture ingress in automated tailgate production.

Segmented flexible seal minimizes crevice areas to reduce particulate accumulation, simplifying cleaning of sanitary overpressure vent structures.

Integrally formed side seal member with flat surfaces facing the guide rail reduces particle escape in clean room environments.

A shape memory alloy foil seal restricts wellbore fluid flow to protect submersible pump motor fluids.

A U-shaped weatherseal assembly uses a stiff, thin outer leg to create a flush window fit.