Engine Seals TRIZ Cases

Segmented frame profiles with separate hard and soft components ensure tightness without costly production tests or primer protrusions.

Asymmetric D-profile seal geometry prevents tilting and leakage during tightening, resolving stability reliability trade-offs in plastic tank applications.

Tapered gasket surfaces guide pipette tips into flowcell inlets, eliminating friction fits and quasi-seals during sample loading.

Axial floating bearing assembly uses a rotating mass ring to generate centrifugal force for thermal deformation compensation.

Corrosion-resistant collars interposed between the manifold and sealing members maintain liquid-tight seals in reciprocating pumps.

Segmented flange gaskets reduce production complexity by joining modular rings via form-fitting and adhesive bonds for reliable sealing.

An integrated seal assembly combines an outer and inner rotatable seal to clamp a glass shaft passage.

A flexible support strip presses a seal strip against adjacent wall parts to create a sealing contact.

Annular interposed part absorbs thermal variations and prevents chamber opening, reducing air leakages caused by low axial stress.

A multilobed elastomer seal uses distinct sealing lips to resist fuel permeation in tank closure systems.

A power transmission ring carries secondary seals that expand radially under axial preload to seal sliding rings against guide surfaces.

Inverting a bottom air inlet to a top configuration prevents liquid leakage while maintaining consistent airflow for reliable atomization.

A profile strand end cap uses a movable cover to conceal welding points and enhance visual appeal.

Diaphragm amplifies sealing force via pressure differential to prevent leakage in thief hatch tanks.

Sequential sealing material filling levels vehicle body member joint surfaces.

A connection assembly uses cold forming to create undercuts that secure functional layers without additional materials.

Composite insulation structure resolves trade-off between flame resistance and aesthetic appeal using segmented material layers.

Nested carrier design accommodates thermal expansion to prevent leaks between complex fluid cavities in gas turbine engines.

Segmenting the seal into two rings with engaging convex and concave portions prevents oil leakage during engine stoppage when axial shaft movement creates gaps.

Segmented sealing ring with elastic members creates alternating distortion regions to form lubrication gaps between sliding surfaces.

Curved faces in annular grooves prevent lubricant scraping, reducing friction while maintaining sealing properties under hydraulic pressure.

Asymmetric dynamic pressure grooves on a floating ring generate fluid forces that align the rotating shaft, preventing eccentric assembly and leakage.

Segmented gasket geometry manages sealing forces under pressure differentials, preventing leaks around the gasket that compromise measurement accuracy.

Dual sealing lips and labyrinth structures displace fluid axially outward, preventing leakage and solid contamination in pressure differential environments.

A silicone-based sealing gasket forms a continuous bead against the wheel hub collar to create a fluid-tight static seal.

A C-shaped collar secures a rotor to a motor shaft while maintaining a thin axial profile.

Stationary seal system constrains leaked fluid through labyrinth and grease barriers, reducing sensitivity to shaft deflections.

A labyrinth seal uses an elastomeric valve element to adapt between contacting and non-contacting positions during shaft rotation.

Screen printing corrects unstable cross-sectional shapes and height dispersion in substrate integrated gaskets.

An elastomer cover element uses a bayonet catch mechanism to seal rotating shafts quickly and securely.

Variable groove depth reduces casing volume without compromising sealing integrity, avoiding stress concentration and installation workability issues.

Pneumatic inflation of a lower-edge polymer coil seals the gap against weather while retraction prevents foot entrapment.

Asymmetric sealing ring geometry with inclined recesses prevents interstitial fluid leakage before pressing action.

Segmented seal sections rotate independently on a retaining ring, accommodating relative deflections and thermal expansion in gas turbine engines.

A shaft sealing arrangement uses a flow generator to adjust contact pressure, reducing friction and wear at high rotational speeds.

Protruding pin indexes run slide to door frame, eliminating fragile rear studs and costly test patterns.

A radial shaft seal uses a pressurized lubrication chamber to maintain sealing lips against the rotating shaft.

Negative thermal expansion filler compensates for elastomer contraction at low temperatures, preventing leakage while preserving chemical resistance.

Seal structure uses intermediary contact parts to restrict relative movement, preventing coating damage from thermal expansion differences.

Nested annular parts form a chamber accommodating flange non-parallelism while maintaining reliable sealing under varying pressure.

A double mechanical seal uses a carrier ring with recessed sections to circulate barrier fluid for effective heat transfer.

Sliding seal arrangement with elastic elements maintains constant prestress to prevent water ingress in boat drive annular gaps.

Elastomeric sealing member integrates thermochromic and piezochromic dyes to provide visible color changes upon threshold exposure.

Interlocking axial protrusions and recesses in a composite seal improve sealing reliability while simplifying assembly of annular elements.

Centrifugal force drives a biasing ring against a split ring, reducing radial leakage by 50% and easing manufacturing tolerance constraints.

Segmenting the seal housing allows radial removal of components without engine extraction, reducing maintenance time.

A leaf seal manufacturing process forms uniform stacks with controlled spacing between individual leaves and spacers.

Segmented annular packing prevents rolling during assembly without increasing material usage, reducing costs while maintaining waterproof performance.

Vertical deployment clears rear doors while dynamic rail spreading accommodates varying passenger compartment widths.