Engine Seals TRIZ Cases

An inlet channel in a gate valve secondary seal delivers lubricant to the gate, eliminating disassembly downtime for maintenance.

Optimized dimple angles and gap ratios balance pumping action with surface pressure to prevent fluid leakage and reduce excessive heat generation.

A vehicle side structure features a segmented molding member protruding laterally beyond door lower ends to shield components from road debris.

A mechanical seal uses a stop ring to lift during shaft insertion, removing the need for spacer elements.

Staggered shim layers in a circumferential seal assembly maintain line-to-line contact between turbine components.

A connector seal membrane uses a lamella structure to form cavities under radial compression, enabling accurate inspection of terminal insertion bores.

An elastomeric window guiding profile merges guidance and sealing functions to reduce wind resistance while accommodating manufacturing tolerances.

Centrifugal hydrodynamic force retains lubrication oil within a mill head assembly, eliminating seal wear and maintenance costs.

An adjustable locating leg on the seal base accommodates non-standard wall thicknesses, eliminating inventory complexity and simplifying installation.

A cam lever actuator compresses plates to seal cables, maintaining pressure consistency during re-entry operations.

Hardened backup ring edges resist drilling fluid wear while maintaining sealing force in roller cone drill bits.

Axially oriented PTFE fibers reinforce seal lips to boost wear resistance without increasing friction or interfering with rod movement.

Segmented rotor seal arrangement increases pressing force 2 to 4 times via pneumatic actuation, reducing friction by 50% to ensure reliable movement.

An integrated backup labyrinth seal maintains pressure differentials when the primary hydrostatic seal fails, reducing parasitic losses in gas turbine engines.

Segmented fasteners and a clamp ring constrain thermal warping of the showerhead inner electrode, preventing rubbing contact and particulate contamination.

Pre-fabricated sealing bodies with negative-image contours fit aircraft cabin gaps, reducing manual customization time and costs.

Viscoelastic damping member absorbs axial forces in hydraulic seals, preventing plastic deformation and improving cold shrinkage behavior.

A compliant crossed seal body with extendable legs accommodates o-rings in intersecting joints.

Support bracket assembly secures collapsed articulating frame within vehicle body cavity using integrated slot and strap mechanism.

A seal chain uses a + shaped sealing member with tapered lip faces to balance flexing torque.

Lateral walls form a cavity that turbulates air, reducing leakage and preventing wheel damage during installation.

Asymmetric cross-sectional sealing material prevents rolling and dropping out in vacuum gate valves, reducing maintenance needs.

Non-uniform metal layer in multilayer gasket deflects compression loads to prevent galvanic corrosion between brass and aluminum compressor flanges.

Variable axial rigidity in segmented bellows prevents undulating deformation without heat treatment.

A sealing arrangement uses a form-fitted closure cap to protect the first sealing lip from elastic deformation during storage.

Segmented knife-edge seals with snap mounts enable quick replacement without damaging rotor disks.

Integral spring tongues deflect during assembly to abrade component surfaces, reducing multi-piece complexity while maintaining fluid tightness.

Segmented seal rings use inclined grooves to create high gas pressure, preventing oil leakage and coking under low pressure conditions.

Segmented circumferential elements adapt to thermal expansion and debris in continuous casting machines.

Separable casing-side grooved portion and seal holding plate enable quick sealing material replacement without face plate removal.

Bent honeycomb sidewalls in a labyrinth seal deflect fluid circumferentially, reducing leakage and preventing frictional heat generation during axial movement.

A cup-shaped closure lid features a circumferential recess on its inner side wall to engage gripping device elements.

Adapter inner sealing surface with offset root radii ensures complete tulip contact.

Stacking thin plate pieces and smoothing lateral end surfaces to create uniform micro gaps for dynamic pressure generation.

A vehicle door frame molding uses synthetic resin base portions with metal engaging members to secure the structure.

A brush seal uses a composite bristle structure with concave bearing surfaces for self-centering.

Segmenting the seal assembly into a dedicated sleeve decouples cooling bore design from oil distribution, preserving mechanical strength.

A helical seal assembly with an elastomeric energising member creates a continuous inner diameter barrier.

Vacuum channels within the elastomeric gasket enable reliable membrane actuation while minimizing vibratory noise during valve opening.

Arc-shaped feather key enables precise axial positioning while transmitting torque, resolving slide ring strength reduction from traditional slot designs.

Segmented seals resolve the trade-off between compact axial dimensions and effective dirt ingress prevention in spherical plain bearings.

Integrating a seal ring into the spline joint groove eliminates bulky boots, reducing outside diameter and part count while maintaining sealing reliability.

Complementary convex and concave surfaces mechanically retain the sealing element within the backup ring, preventing component separation during installation.

Merging the filter and seal reduces device size while maintaining pressure tightness under high fluid pressure.

A seal carrier ring with a projecting washer part prevents detachment under radial stress.

An elastic barrier resiliently presses against the inner annular member to block external silt and prevent oil leaks.

A vehicle window sealing assembly uses a spring-loaded guide rail to latch and center the cover against the glass edge.

A rotary shaft seal uses a deflector and elastic member to form a labyrinth structure that blocks water entry.

Integral mounting channel eliminates adhesive tape and separate fasteners, simplifying assembly while ensuring precise seal location accuracy.

An integrated fixing member merges components to prevent grease leakage and particle damage while simplifying assembly.