Engine Seals TRIZ Cases

Compressed annular wedges create a zero-gap wellhead seal that prevents fluid leaks and maintains secure hanger engagement under high pressure.

Integrated sensors track ring strain, load, and displacement in a dry gas seal to detect failure early, reduce leakage, and support proactive maintenance.

A thin bridging membrane and bonded cap enable high-vacuum cell sealing with lower profile, easier handling, and parallel processing.

An elastic seal with an inclined section and controlled retaining ring gap prevents floating and detachment in air turbine bearings.

A dynamic metal seal in a conical housing maintains uniform contact despite tolerances and heat, improving sealing and lowering valve torque.

A movable blocking part seals the agitator shaft lead-through to contain leaks during seal failure and allow repair without emptying the vessel.

Gaskets, fasteners, and an insulating thermal interface let a sealed power module shed heat through a heat sink while blocking contaminants and current leakage.

By canting coils in multiple planes, this case enables two-direction spring deflection, tighter packaging, and steadier force in seals and connectors.

A dual brush and conformal seal with cooling bypass channels cuts combustor-to-vane leakage while preventing hot spots and thermal distortion.

A hinged carrier with activatable material adapts to varied cavity shapes and tolerances for faster sealing, baffling, or reinforcement.

A two-part dynamic seal with a reinforcing tab cuts shear stress and bead formation in offshore rotary joints, improving sealing durability.

Thermo-structural profiling of the seal ring inner surface matches runner deformation to cut contact pressure, wear, and air leakage.

Liquid routed through one axial passage lubricates rotary joint seal faces, preventing air pockets and maintaining gas sealing.

Offset band ends and weld from both ring edges inward to limit overlap defects and improve weld quality and tensile strength.

Transverse retaining projections and a compressible sealing lip keep turbojet nacelle seals from dislodging without glue, easing replacement.

An acute inner ramp wall stretches the O-ring to hold alignment in a face seal groove and prevent pop-out before compression.

An interlocking rotor, insert, and slinger keep the labyrinth path closed to block contaminants and lubricant loss without seal contact.

A hard base body with a soft sealing-fastening layer cuts assembly force while preventing push-through in vehicle through-openings.

Axial-convolution flex seals and a downstream heat shield use purge airflow to block backflow while accommodating turbine thermal growth.

Dual-frequency RFID sensors embedded in the gland enable remote seal identification and condition monitoring, cutting inspection time in hard-to-access setups.

Angled passages and a secondary seal create intermediate-pressure air mixing to ease thermal gradients, wear, and vibration in aircraft engines.

A tapered stem and sleeve control radial material flow, lock into a blind hole, and prevent plug movement or leakage under high pressure.

A case encloses the fastening portion and exposed battery area to block damage and user disassembly, improving aerosol device durability.

Internal pressure expands a tubular metal ring to form uniform metal-to-metal seals with less alignment sensitivity and lower clamping load.

Different thread pitches and a hydrocarbon-swelling seal ring improve tubular connection load capacity and reduce thread jump-out in wellbores.

Rotary locks let the shaft sleeve and driver connect from the axial direction, enabling deep seal placement without radial screw access.

Hydrostatic seal shoes and springs maintain rotor-stator clearance without contact, cutting heat, stress, and seal replacement needs.

Circumferential and radial seal-face channels drive pressurized fluid into the interface to cut startup friction, leakage, and wear.

A static seal and floating seat ring block high-temperature bypass leakage, enabling Class V shutoff without pilot-operated plug complexity.

A radially floating labyrinth seal maintains tight clearance under vibration, deflection, and thermal growth to cut leakage and wear.

A bonded EPDM and polypropylene gasket improves hand installation, groove retention, and low-pressure sealing in plastic pipe joints.

An integrated slide bearing and spring-backed resin seal stabilizes rotary shaft sealing under eccentric motion without extra bearing space.

An elastomer-backed pump seal maintains contact with a ceramic sliding surface to resist vibration, simplify maintenance, and protect the pump channel.

Nested chevron seal rings cut assembly friction while maintaining pressure sealing and flexibility in misaligned pipe ball joints.

Helical grooves, knife-edge seals, and a drain passage maintain bearing-compartment sealing at low pressure while reducing lubricant migration.

Spiral grooves in selected seal holes redirect swirling fluid into damping forces, cutting excitation, leakage, and shaft instability.

A slidable air inlet and spring-fed liquid path let users vary vapor volume while seals block e-liquid leakage into the battery assembly.

Circumferential fastening pins lock the seal element to the carrier ring, limiting pressure-driven deformation and leakage in composite rotor seals.

Arcuate sealing elements spread radial pressure across indented end faces to prevent cracking, wear, and leakage during workpiece leak tests.

A concave elastomeric edge seal limits outward bulging under compression, preventing cracking, particles, and bond-layer exposure in plasma chambers.

A monolithic adsorbent-coated support dries compressed gas at high flow rates while preventing fluidisation, dust formation, and structural failure.

A support structure creates a rinsable receiving space for an inflatable seal, enabling residue-free CIP cleaning without disassembly.

A stepped groove and lip sealing ring lets pipes assemble without chamfering while maintaining leak-proof sealing under high pressure.

A bent ceramic matrix composite seal resists creep under high heat and compressive loads, maintaining sealing efficiency with lower complexity.

Removable seal components and a distal capture system let prosthetic liners adapt to limb volume changes while reducing pressure points.

A PTFE groove ring with an internal pressing element eliminates dead spaces while maintaining sealing force and thermal expansion compensation.

Pre-shaping the seal before transfer prevents deformation and placement errors, improving housing installation speed, precision, and repeatability.

Nested protrusion-and-groove seals cut axial leakage between vane carriers, improving turbomachine energy conversion efficiency.

A 3D-printed monolithic bellows with integral seal rings and graded structure cuts joint fatigue, leakage, and stress in downhole tools.

A split fireproof gasket with flexible bellows opens torque tube access without engine removal while preserving firewall and fluid-tight sealing.