Engine Seals TRIZ Cases

Lateral projections on the elastomeric seal prevent water intrusion during washing while maintaining consistent sealing performance.

Removing honeycomb ring material avoids thermo-mechanical stresses and welding, enabling universal repair for high-strength nickel alloys.

A mechanical sealing system uses a narrow fluid flow path, labyrinth seal, stationary seal, and grease seal to constrain leaked fluid.

A split circumferential seal segment uses feed slots and recesses to generate hydrodynamic lift from steam pressure.

Segmented slinger reservoirs and seal lips retain grease and exclude debris from the roller bearing cavity.

A radome frame assembly compresses a seal member between the enclosure and heat sink to maintain structural integrity.

A compact restrictive seal uses a modified centering ring and labyrinth configuration to enhance sealing performance.

Adjustable shims modify the pinch point diameter of bristle seals, resolving manufacturing rigidity while optimizing leakage performance.

A folded flexible cover strip distributes stress across a waterproofing membrane to maintain integrity under high hydrostatic pressure.

A radial pin securing device uses a nested support unit to maintain component positions in rotary machinery.

Real-time speed feedback synchronizes the feed rate with the application unit to resolve fluctuations in vehicle body sealing.

A lubricant oil supply section collects adhered oil via projections and drops it onto the rotating shaft to maintain seal lip contact.

A spherical seal body with scattered metal wire net forms a lubricating film to reduce frictional noise and surface damage.

Heating the ferrofluid seal prevents solidification at cryogenic temperatures, enabling continuous fluid transfer to rotating platens.

A top drive mechanism integrates a linear actuator and throw-over lever within the main bearing to move flexible vehicle roof links.

Single-layer curing adhesive composition joins perfluoroelastomer and metal, eliminating multi-layer manufacturing complexity.

Variable area coolant openings increase turbulence and heat transfer at bore bridges, reducing thermal degradation risks.

A bladderless fuel tank uses a compressed rubber layer attached to the wall that swells upon contact with fuel to seal penetration holes.

Smooth elastic webs compress the hollow chamber to generate pressure surges, resolving inconsistent signal triggering during door collisions.

A sliding component uses dimples with upstream cavitation and downstream pressure regions to prevent leakage and maintain lubrication.

Screw fastenings secure a spacer to maintain dimensional accuracy, eliminating welding distortion and reducing production costs.

Segmented guide sections constrain the sealing body against groove walls, resolving play-induced leaks in pneumatic systems.

Peripheral wall cutouts extract coolant discharge from the rotary joint, eliminating complex housing cutouts and reducing manufacturing costs.

Segmented ceramic seal elements with thermal growth allowances block gas leakage while accommodating component expansion.

Protruding filler member with controlled surface roughness Rz 30 to 200 μm prevents gap formation between layers.

Hooks on a cutline gasket attach to the housing bracket, allowing the seal to rotate with the mirror and remain hidden while reducing wind noise.

Radial cooling holes in a finger seal direct airflow to cool the outer diameter, reducing hot gas ingestion into secondary regions.

Bending a layer edge into a recess creates strong mechanical bonding without welding spatter contamination or gasket thickening.

Nested bellows expand axially under fluid pressure while a damping member suppresses vibration, enabling compact radial design.

Primary and secondary beads on a metal gasket reduce coolant seepage into the mating face, preventing corrosion in small watercraft engines.

Frusto-conical seal member withstands high axial thrust loads and prevents contaminant entry in undercarriage track joints.

Flexible resilient seal conforms to gaps between moving deck and support structure, preventing air infiltration and energy loss.

Rigid inserts in the annular packer rotate radially inward to seal while resisting cracking under lower pressure.

Replacing rolling bearings with a synthetic resin liner prevents fatigue from vibration loads while maintaining smooth steering operation.

A rotary sealing assembly uses a pretensioning element to press a sealing face against a rotating component for reliable media isolation.

Segmented slide rings with a decoupling device prevent misalignment while gas lubrication reduces wear at high sliding speeds.

A suction jig with a groove matching the gasket shape separates the main body from the carrier film.

Merging the packing case and oil seal via interference fit eliminates assembly gaps, resolving sealing reliability issues in oil-free screw compressors.

An annular vacuum chamber seal uses protruding blade portions to form a radial or piston seal between mass spectrometer components.

Segmented hydrodynamic pads resolve assembly difficulty and face deformation by allowing independent movement to prevent leakage.

An internal core with an engagement protruding portion secures a trim strip leg in the groove, preventing detachment under external force.

A door panel sealing lip with a form change point contacts an upper frame portion and extends downward to engage the weather strip.

Stretching a base sheet creates a subgasket with thinner active areas and thicker feed regions, reducing membrane stress while maintaining structural integrity.

Frustoconical stator shroud surface guides brush seal bristles against rotor rotation, reducing misalignment risks and bristle damage during dynamic operation.

A torsion spring drives a rotatable depressor to clamp vehicle covers onto parallel mounting rods, securing the assembly against vibration.

A steering dust cap uses slits and an angled floor surface to direct moisture away from the pinion shaft.

Replacing costly RIM systems, these copolymers eliminate hazardous isocyanates while providing structural strength and peel adhesion.

A T-shaped polymer sealing ring floats in a groove to reduce friction between moving machine parts.

Redensifies a seating base depth region to lower porosity, ensuring imperviousness against gas leakage while maintaining low dead mass.

Segmenting the valve seat into a rigid scaffold and soft elastomeric seal resolves leakage from hard seats and deformation of soft seats under high pressure.