Engine Seals TRIZ Cases

A tapered cylindrical shaft seal with an internal aperture and O-ring applies pressure against a rotating shaft to create a tight mechanical interface.

Outer grooves define integral film hinges in a cellular elastomer seal, varying wall thickness to distribute compression resistance and improve water tightness.

Conductive protrusions bend through an elastic support layer to shield electromagnetic waves and radiate heat while reducing product thickness.

Elongated sealing means follow the channel course to create a fluid-tight closure, reducing manufacturing complexity by eliminating precise cover components.

A magnetic powder sealing member holds particles between magnetic poles to create a stable barrier without mechanical contact.

Segmented door panels with U-shaped cavities resist twisting moments during latching, reducing weight and manufacturing costs.

Molds capture and reform flash into the cross-section, eliminating costly trimming operations that weaken joints.

A magnetic fluid seal housing uses pole pieces and a non-magnetic shaft boundary to contain the magnetic circuit within the sealing gap.

A resin seal ring with a concave groove directs fluid pressure inward, maintaining sealing function at low pressures while reducing sliding torque.

A weatherstrip and garnish assembly uses a curved portion and spaced sunshade garnish to define a gap covered by an intermediary component.

A grease blocking member on the output shaft redirects centrifugal grease flow back into the reducer, preventing infiltration without adding friction load.

Angled sealing elements housed in intersecting grooves redirect air flow, reducing leakage from Pi-shaped sectors lacking tubs.

Non-porous gasket forms watertight seal around tongue while creating Faraday cage to block water ingress and electromagnetic interference.

Overlapping frames with a stepped plate create coplanar mounting surfaces, while a resin film seals the joint gap to prevent rain ingress.

Multi-layer polyester-silicon-glass fiber bellows maintains cabin pressure by sealing gaps during wing-to-fuselage relative displacement.

An end cap clip lock aligns vehicle trim components using a nose portion and snap engagement.

A vehicle side window molding uses a bent door lip to create a body abutment portion that resists removal forces during assembly.

Co-extruding a thermoplastic vulcanizate bonding layer onto an ethylene propylene diene monomer sealing body to resolve adhesion failure from surface oil.

A gasket integrates a high thermal conduction region by weaving second metal wires into an annular portion of the woven fabric structure.

A multi-elastomer seal combines hard and soft elastomers to maintain fluid integrity across varying temperatures.

Plasto-elastic sealing beads on a control plate maintain minimum sealing force while preventing excessive deformation of adjacent hydraulic units.

Segmented chambers isolate slurry in sea water using clear water intermediaries to prevent wear on propeller shaft surfaces.

Magnetic elements connect the water tank cover to the windshield profile strip, eliminating transport protection strips and simplifying assembly.

A pressure-balanced floating seal housing translates laterally to accommodate shaft deflection and runout.

Dual lip portions extend radially and axially to block water ingress under high pressure while minimizing rotational friction.

A flexible sealing membrane accommodates axial shaft movement while maintaining constant closing force on seal faces.

Angled extension on a roof-frame link articulates drive and coupling links, reducing assembly complexity and production costs for the convertible.

Overlapping flap portions on bi-fold door seals block water infiltration through panel gaps.

Segmented outer chamber drains prevent high-speed lubricant backlog and leakage through meandering gaps.

Adjustable bending sections modify sealing plate pitch and angle to resolve fixed configuration constraints in leaf seal devices.

An inert gas barrier prevents corrosive target gas from degrading bearing lubricating fluid while maintaining pressure equilibrium.

Segmented fingers with breakaway perforations secure doors against unauthorized entry and smoke infiltration without creating strangulation hazards.

A spool adapter uses hydraulic pressure to preload the interface between components, eliminating bulky mechanical equipment.

Pin elements on a plastic strand component lock the seal in place, resolving positioning precision challenges without increasing device complexity.

A flexible elastomeric seal with a movable locating leg adapts to varying wall thicknesses in recreational vehicle slide-outs.

Extruding the thermoplastic core onto a pre-vulcanized elastomer sealing section prevents heat damage and differential shrinkage impairments.

An integrated metal base ring secures the boot and retains the housing, eliminating loose clips that cause rattling noise.

A turbomachine recovery system recaptures leaked helium gas and returns it to the working fluid circuit.

Curved axial band edges eliminate interference with fitting grooves to secure silicone boots without damaging the sealing material.

A weather strip attachment system uses a tag and reader antenna to store and retrieve defect position information for precise cutting.

Disc spring seal biases turbine housing and nozzle ring axially, maintaining contact despite thermal deformation in variable displacement superchargers.

A movable extension part on a vehicle roof curve guides the locking pin into position for secure closure.

Integrated injection-molded trim assembly reduces assembly complexity by merging separate components into a single recyclable unit.

Segmenting the projection into a separate engaging member simplifies the molding die structure while preventing positional deviation of the vehicle window.

A gasket design using a buried reinforcement ring and asymmetric seal lips to maintain contact pressure under varying loads.

A radial shaft sealing ring uses a press fit centering element to create a metal-to-metal seal against the bearing housing.

Segmented twisted threads merge cut-resistant and elastomeric yarns, resolving the trade-off between cut resistance and flexibility.

A multi-material seal uses a resilient core and softer outer layer to form a complete barrier around ports.

Compliant aerodynamic seals prevent rotor rubbing during transients while maintaining tight clearances to reduce energy loss.