Engine Seals TRIZ Cases

See how a flexible sealing member on the food chute engages the food pusher to prevent juice an

See how variable-depth seal indentation enables easy disassembly for cleaning while maintaining

See how a segmented sealing component with radial clearance and dual contact seals reduces abra

See how a co-extruded polymeric seal integrally bonded to a metal part eliminates lubricants, e

See how angled bristle brush seals minimize refrigerant leakage between rotary and static compo

Multiple sealing members and a labyrinth barrel seal improve drawer closure, block moisture ingress, and protect the display control assembly.

See how an arc-shaped deformation sheet provides elastic sealing between tray and drawer, compe

See how a segmented double-wall body with a sealed transparent window resolves the contradictio

See how an annular recess in the capsule flange concentrates polymeric sealing material to prev

See how radially alternating sealing lips form a labyrinth structure that maintains high sealin

See how motorized vent covers enable passive ventilation in closed-loop dryers during idle peri

See how selectively openable air conduits with wax motor-driven seals enable passive ventilatio

See how non-contacting labyrinth seals with cooling intake holes positioned within the seal lan

A multi-point gasket sealer blocks water from the rotor side while following axial rotor movement to improve drain pump reliability.

See how a deformable EPDM sealing structure with protruding and deforming portions solves airti

See how a sealed manifold with integrated flow passages eliminates tube mounting, simplifies as

See how a dual-material gasket with soft ribs fills cabinet surface micro-pathways to maintain

See how a modular gasket assembly uses two-piece or three-piece couplers to enable section-by-s

See how a coated polymeric seal prevents material diffusion and eliminates bellows dirt traps i

See how a flocked curved seal reduces friction and energy use in clothes dryers while maintaini

See how H-shaped buckling seals with hollow cavities isolate vacuum pump noise in refrigerators

See how a profile assembly extracts bellows folds to the interior, maintaining smooth exterior

See how angled bristle brush seals reduce leakage flow between rotary and static components in

A cut seal space between the valve body and power element preserves sealability and refrigerant control as the expansion valve is downsized.

A rear plate combines driver mounting and airflow delivery to the drum, removing belt slip and freeing cabinet space in a laundry dryer.

A rear sealer around the drum airflow path limits air leakage, cutting energy loss while improving drying efficiency and cabinet space use.

See how a mounting bracket directly couples the driver to the drum rear plate, eliminating belt

See how rear-mounting the driver with direct drum connection eliminates belt slip and integrate

See how direct flange coupling between driver and drum eliminates belt slip, enables flexible r

A rear sealer and rear airflow channel block drum-side air leakage while supporting direct drum drive, improving drying efficiency and cabinet space.

See how a composite encapsulation system combines elastic adhesive with barrier coating to redu

See how a flocked curved seal maintains contact pressure over time while reducing friction, add

See how inclined sealing portions and an intermediary sealing member enable detachable cooling

See how an annular protrusion engaging with a recess prevents sealing gap opening in centrifuga

See how a modular antiviral filter assembly seals and filters displaced air during toilet flush

Magnets hold soft cryogenic seals in place, enabling tool-free removal for cleaning and reducing bacterial retention areas.

See how labyrinth seals with PTFE coatings and pressure bladders reduce fluid leakage to <0.1%

See how a separate seal carrier extracts the seal from the filter element, enabling independent

An intermediary ring positions two baking dishes, blocks condensation from reaching the hand, and prevents slipping during hot handling.

See how a seal with through-openings and elastic lip movement enables controlled pressure relie

See how serpentine evaporator coils improve freezing efficiency while a segmented valve assembl

See how a water-based elastomeric composition eliminates aromatic solvents while maintaining fi

See how a liquid rubber sealing composition migrates from capsule rim to side wall during heati

See how a multi-layer sealing element with felt, sponge, and insulation achieves air and water

See how inclined annular walls compress a low-conductivity sealing member to maintain alignment

See how a tapered silicone rubber bushing with peripheral groove seals HVAC ductwork dampers to

See how a two-layer encapsulation system combines elastic adhesive with barrier coating to redu

See how a conical-tapered primary wiper lip with floating mount improves piston-rod cleaning in

A deformed protruding portion mechanically locks the belt molding end cap, avoiding welding limits, brittle resin breakage, and rattling.

An axial support member and outer cylinder automate seal ring pickup and transfer, reducing handling damage and improving installation efficiency.

A recessed annular groove restrains seal ring axial shift in hydraulic dampers, preventing oil bypass and delayed damping force generation.

A rigid-member protrusion and elastic thick part keep the corner weather strip aligned, preventing abrasion and preserving door sealing.

A pivoting entry step overlaps the sliding door when closed to limit side-impact intrusion and block water ingress without a center pillar.

Sealed dividers partition cell stacks to block and redirect vent gases and debris, helping prevent thermal cascading in traction battery packs.

An overpressure chamber between dual seals blocks coolant from lamp electrical connections and enables early leak detection by pressure sensing.

A multi-material pressure roller adapts to flange angle changes and cleans S-bends and corners before seal application, improving bonding quality.

Discrete sliding couplings let a metal upper stiffener reinforce a resin outer panel while limiting thermal-expansion deflection.

An impeller at the dust cover edge deflects mud from a bicycle joint bearing while a non-contact seal limits friction and wear.

A widthwise overlap between front and rear doors blocks cabin visibility and dust entry without extra shielding parts.

An integrated guide rail combines sealing, support, and fixing functions to cut parts, simplify door glass assembly, and improve sealing.

Injection-molded flexible seals and drainage keep a retractable roof sensor opening watertight while simplifying assembly and improving consistency.

A reinforcing portion overlaps the gasket engagement area to prevent fluid-hit disengagement and pressure loss in battery pack pressure relief valves.

A PTFE composite with carbon fiber and conductive carbon grounds rotating shafts without fiber shedding or carbon dust, helping prevent bearing corrosion.

Two sealing elements compress the front trunk lid to block dirt and debris ingress while reducing lid vibration noise.

Flexible slat-and-hook fasteners keep a vehicle door window seal attached at the ends, reducing delamination during repeated window cycles.

An insulating separator and non-conductive hydraulic line block voltage creepage and fluid ingress in hydraulic pliers and presses.

A corrugated rigid-thermoplastic profile with elastomer elements improves rebate flexibility, clamping, recyclability, and airtight sealing.

An internal recess around the tie rod opening keeps the seal fluid-tight, protects it during maintenance, and preserves stroke length.

Labyrinth paths and a seal between the motor and transmission block grease and dust migration while preserving heat transfer and alignment.

A dual-lip vehicle window seal keeps adjacent glass joints sealed during sunroof glass replacement, avoiding full window reassembly.

Segmented elastomeric gaskets in constrained U or V housings maintain a watertight cable seal during movement while allowing easy reentry.

A stepped guide-ring and groove structure helps an O-ring absorb thermal expansion and contraction while maintaining chamber sealing.

An annular conductive path integrated with seal and side lips blocks mud, water, and dust while maintaining EMI diversion conductivity.

A T-shaped seal member covers flange ends while sealing the battery casing, cutting assembly steps and improving water resistance.

A hook-pillar sealing profile simplifies side-glass fixation while maintaining flush sealing against dust, water, and noise.

A labyrinth collection chamber with absorbent material captures coolant released by battery pressure relief valves, limiting environmental leakage.

A 2K gasket combines inner and outer sealing around the rear view device base to protect harnesses and control units from moisture and interference.

Halogen-based rubber with acid acceptors resists corrosive chemicals and reduces metal elution in semiconductor sealing members.

An elastic U- or V-shaped positioning head eases drainage device mounting while resisting ejection and water leakage under long-term vehicle bumps.

Circular loop rings on weather-strip slip tape cut glass friction and noise while preventing pile escape, peeling, and base film breakage.

A fluororubber and EPDM dual O-ring seal limits oxygen-mixed insulating gas leakage while extending sealing life in gas-insulated equipment.

A segmented front panel and dual-lock unlocking mechanism let a pickup hard cover open fully while guide-rail seals improve waterproofing.

A press-fit tube, water stop lip, and check valve keep the strut mount hole sealed against water while releasing internal pressure to prevent detachment and rust.

Controlled carbon black content in an EPDM bonding sheet limits post-molding thickness growth while reducing conductivity and rust risk.

Movable weatherstripping sections and corner-position restraints improve door sealability while allowing a smaller sash section.

An auxiliary rail carries multiple weather strips to seal detachable roof panel gaps, block noise, and resist repeated removal damage.

Selective sponge placement around air vents cuts drilling shavings and closing force while preserving noise insulation and seal performance.

A frangible seal moves downward under collision loads to preserve water sealing while reducing impact force on vehicle storage compartments.

A compressible cone-like seal forms multiple fluid-tight seals at a structure opening, cutting leaks, parts count, and assembly complexity.

Multiple deformable seals and an adjustable fixing assembly improve carriage cover alignment while preventing rainwater leakage.

A slotted adhesive gasket retrofits outlet faces to block water ingress and accumulation while preserving prong conductivity.

Microalloyed steel and slot geometry let thin edge-sealing strips keep tensile strength while cutting weight and sealing material use.

A multi-lip axial seal lets lubricant leak in a controlled way to lubricate the rotor contact while limiting grease loss under high loads.

An inclined glass run surface guides the sub seal to avoid lip collision, easing door assembly while keeping a flush appearance.

Shark fin-like elastic seals block the cover-plate gap in an exposed e-bike battery case, keeping water and dust out to extend battery life.

A convex-bulb sealing strand mounted on the B-pillar seals flush sliding window gaps while preserving appearance, durability, and easy assembly.

Cam-driven reciprocating vibration helps install vehicle weatherstrips with less operator fatigue while maintaining tight, consistent seal fit.

A modular latch and hinge layout lets double vehicle doors open and close independently without precise alignment or closing sequence.

Intersecting grooves on both seal faces build dynamic pressure at low speed, separating sliding surfaces early to reduce wear and leakage.

An offset semi-circular seal ring shape keeps turbine blade-tip clearance low, cutting steam leakage while avoiding fin contact under casing deformation.

Lubricated modular seal carriers cut wear under seawater pressure and allow underwater replacement without full turbine disassembly.

A clutch assembly and axial connectors speed cutting accessory loading and removal while reducing end effector bulk and improving surgical access.

A mechanically linked cap and energizer keep the seal from rotating, cutting friction and leakage on misaligned or high-speed shafts.

A single negative-pressure groove uses cavitation and wedge-generated pressure to cut sliding torque while maintaining sealing in compact sliding members.

A separate seal body and elastic biasing element maintain contact pressure, cut seal wear, and simplify product-specific piston sealing changes.

A separate sealing section and internal preload element maintain contact pressure, cut wear, and simplify metering pump piston replacement.

An asymmetrical seal ring web absorbs flange thermal growth and non-uniform movement while maintaining deepwater sealing at high pressure.

A pre-molded seal boot creates a fluid-tight joint before assembly, cutting confined-space sealant work, labor, and cycle time.

A resin sliding layer on the steering dust seal lip cuts stick-slip squeal and uneven wear while maintaining shaft sealing under eccentric rotation.

Alternating outer fold diameters and convex-concave walls keep bellows folds from sticking at high compression, preserving elasticity.

Coined pumping impressions and a groove-free static band help a PTFE shaft seal retain fluid at rest while returning fluid during rotation.

A dual-seal cartridge uses a grease passage to purge debris from the main seal, extending seal life and simplifying service in dirty machinery.

An embedded conductor in the intermediate element seals between control plates, cuts leakage, and removes separate fastening needs.

Preassembled seal components in a flexible carriage protect parts in shipping and speed liquid-jet seal installation with fewer errors.

An elastic sealing interface enables repeatable high-pressure HPLC coupling while limiting deformation and preserving chromatographic peak sharpness.

Elastic sealing elements create friction against microfluidic cavity walls, enabling secure gas blocking with easier insertion and removal.

A segmented clamp and compression ring secure fluid end components under high pressure while enabling faster service and accurate bore alignment.

An inverted triangular gland puts higher O-ring load on the fluid tube surface to seal around finish damage and reduce coolant leakage.

Progressive O-ring compression over a frustoconical groove locks a power steering lid in place while ensuring sealing without clips or screws.

A copper-over-graphite-over-foam gasket combines grounding and thermal conduction in one compressible part for space-constrained electronics.

A V-shaped elastomer spacer supports output shaft bearings while damping vibration to prevent mechanical binding and wave spring failure.

Radial and circumferential springs keep split oil seal cuts closed under vibration while allowing easier mounting and removal.

Gap cover elements bridge widening ring-segment interfaces as piston seals wear, cutting leakage and stress while preserving bore contact.

A multi-layer steel gasket extends sealing to the cylinder bore to cut crevice volume, limit unburned fuel escape, and improve engine sealing.

A hollow seal ridge stores grease in the screw groove interface, enabling stable long-term lubrication without increasing ball screw nut length.

A deformable carrier pre-positions long thin o-rings, then presses them evenly into seal grooves for faster, more consistent sealing.

A ceramic layer over a phosphate binder protects carbon-carbon seal rings from oxidation and wear, extending seal life in turbine engines.

Particle-count sensing and automatic valve switchover keep seal gas clean, preventing dry gas seal leakage and rotating equipment shutdowns.

Resilient gaskets let fluid couplers pivot through support walls, maintaining a fluid-tight seal despite alignment errors and tolerance stack-ups.

Flow channels between upper and lower liquid chambers add viscous damping and variable stiffness to rail vehicle suspension.

A porous PEEK coating helps slip rings resist hydrogen sulfide corrosion, maintain low leakage, and extend turbomachine life.

Inflatable seals at telescoping bridge joints block air leakage when parked, cutting concourse HVAC losses while preserving bridge movement.

A partially filled gap around the evacuation tube relieves thermal stress, improving hermetic sealing and reducing seal and glass breakage.

Conductive treated carbon regions turn sealing elements into self-monitoring components that detect stress and degradation before leakage.

An inflatable modular seal closes the scale gap while stabilizing the load application element, reducing contamination, weighing errors, and cleaning difficulty.

A preform-and-vulcanize mold uses a gap-forming section and connecting groove to place a seal member closer to a flange without enlarging the base material.

Barrier gas creates oil-chamber overpressure in a dry compressor, preventing oil carryover and simplifying oil separation with lower energy use.

A sealed rotary blade actuator replaces exposed hydraulic cylinders to keep tool tilting compact, protected, and easier to service.

A four-lip gap seal adds a dedicated fourth sealing surface to resist overpressure, limit grease leakage, and track bearing gap widening.

Localized low-roughness inner tube surfaces cut floating piston wear and leakage while preserving locking force and response in a lockable gas spring.

Two stacked sealant beads use rheological flow to fill uneven assembly gaps, prevent hydrolocking, and create a fluid-tight seal.

A replaceable face gasket moves the O-ring outside the flow path, restoring check valve sealing without replacing the full valve.

A snap-fit boot seal and bellows groove design keeps disc brake pad seals engaged despite debris, grease, and pad wear.

An amino-modified silicone coating cuts sliding resistance while maintaining liquid sealing and reducing dust and leachability.

A fluoropolymer-coated wear sleeve creates a low-friction lip seal interface that cuts wear, limits leakage, and blocks contaminants.

Controlled near-IR laser heating forms a dense vacuum glass edge seal while limiting de-tempering, thermal stress, and hermeticity loss.

A limiting groove and adhesive-fixed sealing ring keep through holes coaxial, preventing misalignment, blockage, and yield loss.

Multi-layer edge sealing, laser heating, and a getter maintain vacuum while limiting glass de-tempering, thermal stress, and breakage.

A two-step preform and vulcanization process molds seal members across uneven base surfaces while reducing burrs, damage, and deformation.

A hard-particle composite coating on a nickel-based piston seal cuts high-temperature friction and wear while protecting counterface parts.

Perpendicular elastomer protrusions lock into seal-groove voids to cut vacuum pump gas leakage while keeping gasket installation stable and simple.

Grooved rotating members pump grease back to the reservoir while a pressure-flexed ring seal limits leakage toward motor electromagnetic components.

A tapered elastomer and wear ring seal cuts plunger friction and seal wear in high-pressure pumps handling abrasive and acidic fluids.

A segmented, vacuum-collapsible gasket reduces insertion force in narrow gaps, then expands to restore sealing without surface damage.

A multi-member gasket with curved transitions improves vacuum pump sealing, reduces pressure-driven leaks, and eases assembly.

Graded CTE seal layers and selective laser heating reduce thermal stress while preserving hermeticity and glass temper strength.

A laterally flexing load port door seal uses a notched base and curved sealing section to cut leakage, contamination, and sealing force.

A notched lip seal in a female fluid connector maintains sealing under external-over-internal pressure and limits clamp-tilt leakage.

Movable inner-surface protrusions enable demolding of arc-shaped resin parts while preventing linear flash and preserving sealing performance.

Segmented dynamic-pressure and recovery grooves even out positive pressure, improving floating balance and lubrication between sliding surfaces.

Dual lip portions and an elastic body maintain contact pressure and block foreign matter in eccentrically connected tube joints.

Localized laser sealing improves vacuum panel edge hermeticity while limiting glass de-tempering, stress, cost, and processing time.

Parallel biasing forces guide a movable sealing member smoothly, reducing leakage and stabilizing rotating machine operation.

Multiple PTFE sealing lips and an outer rubber ring cut friction and leakage in high-speed, harsh shaft sealing conditions.

A discharge buffer part and gasket damp purified water sloshing, preventing residual discharge while reducing valve count, size, and cost.

A curved primary-ring notch spreads pin contact under misalignment, reducing chipping while preserving axial movement in dry gas seals.

A spacer element doubles as a labyrinth seal to stop transmission lubricant reaching the drive motor while keeping the hand-held tool compact.

Pillar-supported composite seal coupling limits seal compression under heat, pressure, and vibration to reduce refrigerant leakage.

A U-shaped sealing profile replaces joint compounds to seal double drywall edge joints with easier installation, inspection, and moisture protection.

A pre-formed elastomeric bead seats visibly in irregular grooves to prevent seal shift, leakage, and assembly errors.

Unidirectional fiber ceramic matrix seal rings resist heat, vibration, cracking, and abrasion in gas turbine compressors.

A tapered annular seal creates a watertight sprinkler fitting at low torque, preventing leaks, misalignment, and polymer socket damage.

Layer-by-layer curing forms chemically resistant seals with smooth surfaces and isotropic strength for non-planar interfaces and position changes.

An outward elastomeric profile seal and recessed support block water ingress at rough housing joints, helping prevent corrosion in EV drive housings.

A shaft-driven impeller built into the seal housing circulates barrier fluid without external pump hardware, cutting space and complexity.

Localized laser firing changes seal chemistry to form hermetic vacuum panel seals while reducing glass de-tempering and thermal stress.

A fluororesin-particle coating on a fluororubber seal lip cuts friction, heat, torque, and oil leakage on rotary shafts up to 50 m/s.

A narrow annular gap seal with tilting pins cuts friction heat and wear in dry-running piston compressors while maintaining sealing.

Two-stage segmented carbon seals use wave and garter springs with buffer air to cut oil leakage, preserve pressure drop, and reduce wear.

Multilayer laser-formed seals help vacuum insulated glass retain tempering stress, limit thermal gradients, and improve panel durability.

A compressible foam and shim seal blocks dust and stray light around internal emitters while keeping electronic housings compact and easy to assemble.

A torque shoulder limits seal member deflection to avoid plastic deformation and maintain repeatable sealing under pressure and torque.

A lubricant-filled continuity lip keeps shaft-to-housing conductivity stable at high rotation, helping reduce electromagnetic noise and corrosion.

A flat-platform tubular seal keeps contact width constant under compression, preventing tilt, leakage, and fire spread in aircraft nacelles.

A saddle-shaped primary ring notch spreads pin contact loads in dry gas seals, reducing chipping risk while preserving axial movement.

Alternating densified membrane regions and elastomer-filled valleys create a removable seal that conforms to uneven interfaces and resists harsh fluids.

Stacked polymeric seals and backer rings maintain hydraulic sealing during fire exposure without external shielding or metal seals.

A two-part monolithic fluid cover improves sealing in high-pressure reciprocating pumps, cutting leakage, wear, and maintenance downtime.

Pre-heating glass and seal layers before laser firing creates a dense hermetic edge seal while reducing thermal stress and de-tempering.

A threaded compression ring deforms the sealing ring to simplify drain adapter installation while maintaining a secure seal and resisting loosening.

Removing worn groove material and adding a buildup insert restores piston seal retention, reduces gas leakage, and extends service life.

Stationary protrusions near the shaft seal raise local turbulence, helping cleaning fluid reach stagnant pump regions and reduce contamination risk.

Fluid jets from a rotating seal assembly disrupt bearing-compartment vortices, cutting resonant tones and engine noise.

Using the piston rod outer surface and segmented housing bores, this case enables three-stage position detection in compact cylinders.

Jack screws and threaded inserts push a force-fit seal body out of a stuffing box, reducing breakage and removal damage.

Island-shaped lands and guide grooves use cavitation and wedge pressure to lower sliding torque while maintaining fluid sealing in compact members.

Variable cell density in the abradable seal targets corrugated wiper leakage while preserving abradability across flight phases.

A pressurized gas chamber and lower-pressure intermediate chamber contain lubricating oil leakage while blocking external fluid ingress.

A spirally wound seal ring adjusts its snubbing orifice during piston travel to improve sealing and reduce tolerance-driven velocity variation.

A removable sealing bar isolates the atomization cavity from pressure changes to minimize aerosol medium leakage during transport.

A preloaded stainless steel ring with dry-film lubrication blocks abrasive dust at rotary interfaces while tolerating thermal extremes.

Direct torque sensing on the stationary seal ring reveals sliding surface wear early, enabling timely replacement before seal damage.

Interlocking sealing ring segments raise flow resistance at abutting joints, cutting rotor gap leakage while accommodating thermal movement.

A two-part hammer tool seal pairs a resilient sealing element with a rigid protector to improve wear resistance, sealing, and service life.

A curved sealing protrusion creates a liquid-tight manifold seal that tolerates angular and manufacturing deviations without external axial force.

Fluorinated crosslinking chemistry and carbon black help perfluoroelastomer seals resist hot steam and rapid decompression cracking.

Rotating metal sealing surfaces maintain ultra-high vacuum closure under closing force and atmospheric pressure while reducing wear and extending valve life.

Bonded fabric-elastomer layers create a reusable pipeline flange seal that installs more easily and resists groove damage, leakage, and waste.

Overlapping annular packings improve diaphragm sealing in differential pressure sensing, preventing liquid leakage despite surface unevenness.

Guide ribs and grooves let piston ring segments shift for wear compensation while preventing twist, collision, leakage, and seal damage.

Process gas is fed through the stationary slide ring into the sealing gap, cutting barrier gas use and removing the labyrinth seal.

Selective machining creates variable wall thickness in a metal O-ring, boosting spring back, contact pressure, and sealing while using standard tubing.

A removable filter and gasket manifold lets users replace bottles, block particulates, and maintain assay accuracy without technician support.

A wave-form split ring keeps a carbon face seal seated under vibration while reducing stress, frictional heating, and carrier weight.

A combined sealing cap and inward projection shrinks multi-slice RGA packaging while maintaining sealing in thin aircraft wing sections.

A dual-fluoroelastomer peroxide-crosslinked composition improves ozone resistance in high-temperature sealing materials while preserving physical properties.

An adjustable stop-gapped vacuum seal cuts contact points and particle risk while maintaining chamber access and planarization control.

A split seal cover lets the seal ring detach axially, reducing handling weight and simplifying maintenance while preserving sealing.

A chamber sealing element with a one-way valve blocks aerosol backflow, limiting residue buildup and protecting internal components.

Controlled twisting entangles expanded graphite sheets in tubular yarns, keeping thickness uniform and improving gland packing sealing.

A tangential leakage gas duct in the turbine distributor root improves mixing with the main flow and reduces aerodynamic disturbance.

Pressurized sealant loads sealing rings inward to limit working-fluid escape, improve lubrication distribution, and shorten seal length.

A filler-free fluororubber crosslinking system improves seal strength and compression set while resisting plasma and suppressing particle generation.

Fluid pressure energizes a polyimide gasket and support structure to maintain a hermetic seal in high-pressure, high-temperature EUV supply lines.

A non-planar fluid insert redirects slurry flow to move particles away from split mechanical seal faces, reducing buildup and leakage.

Process-fluid pressure balancing creates a seal cascade that cuts PV load, improves seal life, and prevents lubricant contamination.

A spring-biased seal support retracts segments at low pressure and seals inward at higher pressure to limit rotor scrub, wear, and leakage.

An elastic annular link between conduit and wall maintains sealing while absorbing force, vibration, and slight relative movement.

A segmented seal with fluid-pressurized lips and a leaf spring maintains sliding sleeve sealing under repeated high-pressure and temperature cycling.

Multiple sealing lips and flanges create bi-directional sealing that resists ultra-deep external pressure with lower energization force.

A stepped two-material PIP seal uses a compliant section and rigid reinforcement to prevent leakage in dissimilar-material joints under pressure.

A flexible metal bellows keeps pipe floor and wall penetrations air-tight and fireproof while absorbing thermal expansion without cracking.

Flexible elastomeric joints let a metal gasket bridge sealing surfaces in different planes while preserving seal integrity during engine service.

A grease-purged, self-aligning seal cartridge stops slurry shaft leakage without flush water, cutting maintenance and water use.

Rod tension elastically expands a sleeve to narrow the annular gap, improving sealing and leakage control without sealing rings.

A clamped conductive nonwoven seal replaces complex bonding to create durable electrical contact between machine elements at lower manufacturing effort.

Fine annular recesses around dynamic pressure grooves keep a stable fluid film in sliding seals, reducing wear and groove damage.

A seal member between the cylinder ring member and head blocks gas leakage, protects the gasket, and improves compression efficiency.

Compensating rings with annular grooves let flange gaskets be replaced quickly while preserving gas sealing and electrical insulation.

Flexible axial arms and buffer fluid help a floating lip seal handle shaft tilt and radial displacement while reducing leakage and wear.

A press-fitted, rotatably decoupled seal seat prevents shear scratches and enables repeated high-pressure sealing up to 6000 psi.

A one-piece grommet and sock filter keeps returned DEF in the clean tank zone, preventing debris washover and extending filter life.

An inclined lip and extension piece let this annular composite seal maintain vacuum sealing with lower pressing force, reducing abrasion and particles.

A PTFE-filler seal jacket with an energizing element maintains low leakage and resists wear during prolonged operation at 350°C.

Two independent annular seal portions self-energize under internal or external pressure to maintain conduit sealing with lower assembly force.

A T-shaped thrust bearing seal combines radial and axial sealing in thin-wing multi-slice RGAs, cutting envelope size and part count.

A low-pressure chamber between two seals captures leaks in gas analyzer components, preserving sample integrity and evacuating toxic gases.

A blow-off valve vents excess manifold pressure during backfires, while the aluminum body and flat gasket improve durability and reduce heat transfer.

Annular projections block outward grease flow so both seal lips receive even lubrication, reducing abrasion and preserving sealing performance.

Radial stoppers restrain a monobloc carbon seal, cutting spring load, contact pressure, heat, wear, and seal package size.

A nickel-reduced alloy seal ring balances cost, corrosion resistance, and castability for fluid-tight sealing in high-pressure severe service.

A coated intermediary plate between ring assemblies limits metal-to-metal friction, cuts heat and wear, and simplifies seal maintenance.

A bent-edge metal gasket uses bead deformation and a visible projection to prevent crevice corrosion while confirming correct installation.

Interference between the seal-lip end and surrounding walls centers the support ring, improving sealing stability and pressure resistance.

A circumferentially sealed pivot joint blocks contaminant ingress while preserving cleaning and sterilization access in electrosurgical instruments.

A flexible elastomeric seal maintains contact with the rotating seed disk to limit seed loss, wear, and placement errors in high-rate seeding.

A welded bellows applies uniform circumferential force to keep an outside mechanical seal compact and leak-tight at high speed and pressure.

Stress-concentrating grooves or cavities let metallic gaskets seal high-purity fluid ports with lower mating force and less leak risk over time.

Integral seal beams and a non-contact carrier hold the seal shoe in position while reducing friction, wear, and leakage under aerodynamic loads.

An asymmetrical braided packing seal places wear-resistant material on the shaft side and lower-cost material on static surfaces to extend seal life.

A split-ring and O-ring sealing assembly cuts bleed air leakage while allowing thermal and vibratory tube movement in gas turbines.

A copper-based layer and MoO3 solid lubricant help a gas turbine seal ring cut friction and wear under heat and vibration.

Radial tabs and carrier openings enable controlled removal of press-fit gas turbine seals, cutting damage risk while preserving leakage control.

A two-layer gasket facing pairs PEEK or polyimide with graphite or vermiculite to seal under heat while maintaining dielectric isolation.

A miniaturized water hydraulic ram replaces gland bolts to compress pump packing rings, cutting replacement time and reducing premature failures.

A metal face seal backed by two polymer rings raises sealing force and tear resistance to block debris ingress in rotary drill bits.

Discrete touch fasteners grip the fibrous membrane face, then a folded adhesive tape seals the non-fibrous side for durable moisture blocking.

Arc-shaped seal lip protrusions create a wedge oil film that cuts seal torque and heat rise while maintaining bearing sealing.

A hub-lock closure and elastic torsion member cut heat exchanger maintenance time while preserving sealing under thermal and pressure loads.

A stiffened bead loop maintains sealing pressure across joint width changes, preventing gap extrusion and damping pressure peaks in axial seals.

Leakage gas passages vent trapped combustion gases from sealing recesses, preventing pressure buildup and damage around the head gasket.

A repositionable seal component on a suspension liner improves socket sealing, eases donning, and adapts to residual limb volume changes.

A recessed seal surface splits contact into flexible lips, raising pressure while collecting paint for self-lubrication and longer doctor blade life.

A segmented shoe-and-rail hydrostatic seal cuts wear and leakage while keeping low mass and higher natural frequency in gas turbines.

Soft eyelets in pushrod openings cover sharp blanked gasket edges, protecting pushrods and holding multilayer gasket sheets in place.

A one-piece seal combines radial and axial sealing in an oil separator ring filter, cutting seal count and easing replacement.

A spring-loaded support plate keeps brush seal bristles aligned under axial movement and high pressure differentials to reduce blow-over and leakage.

A slotted seal protector uses an axial stop to show when shaft splines have cleared the seal, preventing damage and oil leaks during assembly.

Stress-concentrating grooves or cavities help a metallic gasket seal high-purity fluid joints with lower axial force and less leakage over time.