Engine Seals TRIZ Cases

Ship bottom-like screw geometry maintains pumping action despite wear, while seal projections block spray leakage.

Segmented nacelle panels with elastic tongues resolve ice formation bottlenecks by allowing targeted removal without disrupting aerodynamic integrity.

A dynamic seal uses a floating counterface retained by inner and outer seal parts to accommodate radial movements.

Segmenting energy absorption with a dilatant material increases floor G-force early, reducing passenger deceleration while preserving crash box repairability.

Segmented weather strip uses a support member to press the attaching base part, maintaining sealing integrity despite divided assembly.

Segmented back-up rings with flat contact surfaces suppress diameter expansion during insertion, maintaining sealing reliability under high pressure.

Continuous oil circulation and cooling prevent air leakage from longer lines, extending sealing ring life.

Terminal methacryloyl vinyl polymers enable rapid optical curing, resolving slow vulcanization and poor oil resistance in engine sealing applications.

Integrated flexible gasket merges sealing surfaces with housing ribs, reducing part count while maintaining sealed air flow integrity.

Segmented holder elements isolate the elastomer from pumped liquid while absorbing connection stresses to maintain hygiene and sealing reliability.

A foldable soft panel top seals against a hard roof via side rail linkages, eliminating cumbersome removal and storage of entire hard tops.

An angled tab inserts into a retention channel to secure the finger seal, eliminating fasteners that compromise fairing integrity.

Centrifugal separation prevents oil migration to dry pumping stages, eliminating mechanical seal wear and reducing maintenance frequency in vacuum systems.

Extruded reinforcement with tapered geometry resolves uneven coating defects while maintaining manufacturing simplicity.

A foldable soft panel top assembly transitions between closed and open positions while maintaining weatherproofing without removing the entire roof structure.

A sunroof weather strip uses differentiated protrusion amounts to reduce visible width while maintaining effective sealing against the vehicle opening.

Asymmetric bi-directional cuts prevent overlapping and air pockets in V-pack seals under pressure.

Segmented spring retainers shield seals from fire and high pressure, preventing instability in large aviation sealing areas.

Turbulent flow in a narrow gap separates gas chambers without mechanical seals, preventing mixing and wear while maintaining continuous operation.

A composite seal integrates a low-permeability core within an elastomeric body to maintain structural integrity under pressure.

Datum formations on weatherstrips and door flanges enable precise engagement, resolving inconsistent seal performance caused by inaccurate positioning.

Axially spaced receiving grooves with holding protrusions secure sealing rings against radial dislocation in fluid rotary passages.

A T-shaped metallic gasket with weep holes equalizes pressure to prevent cavity buildup while maintaining alignment in subsea flange assemblies.

Annular seal body features weakened apertures that collapse during assembly to facilitate installation.

Hook-mounted weather strips with extended lips cover door gaps, reducing vehicle width and weight by eliminating bulky brackets.

A vehicle open roof construction positions rear and front support members inwardly to reduce operating mechanism height.

A sealing strip uses aligned projections and notches to form precise right-angled exterior corners.

Rear moving assembly engages the rearward roof opening seal to stabilize the panel in the open position.

Segmented seals absorb pressure differences between compressed air and oil, preventing leakage while maintaining efficient airflow through the transmission.

An inflatable hose seal dynamically opens and closes the bottom discharge opening of a liquid filtration apparatus.

A seal set uses a slide ring to contact the piston surface while the main body seals against pressure.

Annular projections on a sleeve member prevent radial and thrust displacement, maintaining sealing performance in harsh environments.

An insulating adapter connects an electric motor to a transmission case while physically contacting the drive shaft.

Segmented guide members with damping seals reduce friction and vibration while distributing radial forces to prevent permanent deformation.

Angled forward and reverse screws pump fluid while a dedicated prevention screw blocks droplets, maintaining seal reliability.

A convertible top flap integrates the sealing surface directly into its plastic structure.

Austenitic stainless steel shell outer ring with controlled flange hardness maintains dimensional accuracy.

Top stabilizing blocks reduce curling in a flexible rear bumper cover, eliminating bottom weights that cause twisting and complex installation.

A dental machining shaft sealing element uses excess fluid pressure to create a protective barrier against grinding dust contamination.

A single motor drives both glass and shade via a planetary gear unit.

An elastic biasing member urges a wear-resistant seal surface against rotor blades, accommodating thermal growth and minimizing fluid leakage.

A master cylinder seal design restricts rotation through specific lip abutment geometry.

Radial grooves in the seal define leak passages that maintain pressure drops across upstream seals, preventing wear and overheating of the final ring.

Nested fluororesin and elastomer members eliminate double sealing structures, maintaining vacuum integrity while reducing device complexity.

A wear protection pin absorbs relative axial movement between the base element and carrier, extending working life in abrasive submersible pump environments.

A door lining assembly joins an upward-facing outboard base and a downward-facing inboard base to form a structural peak.

Flow restriction means on a check arm divert water into the cavity, preventing accumulation between seals.

A centrifugal pump mechanical seal uses a shaft sleeve and lubricant reservoir to maintain consistent lubrication on the rotating shaft.

A metal refill container uses an inverse U-shaped sealing ring to maximize cosmetic volume while preventing leakage.

Composite supporting components use local quality differentiation to resist deflection while preventing shaft damage from galling.