Engine Seals TRIZ Cases

A raised flange protrusion and recessed positioning surface align the inner weatherstrip accurately, reducing gap variation and manual adjustment.

An angled sealing lip creates a self-reinforcing shaft seal that prevents radial blower leaks under positive and negative pressure.

A rotatable winding holder exposes either strand end, letting one delivery unit feed left or right vehicle seals without rewinding or labeling.

Nested separator beads and a shear-deforming elastic seal maintain fluid sealing through gap changes without high tightening force.

An elastic V-shaped seal folds between HVAC housing and partition wall apertures to simplify mounting and block moisture ingress.

A wave-shaped sealing lip cuts initial connector plugging force by enabling progressive contact and more uniform loading to reduce tilting.

A wave-shaped sealing lip cuts initial connector plugging force and helps prevent tilting by staging contact around the seal.

A modular gland uses stepped openings and compression elements to seal multiple wires, prevent fluid leakage, and simplify maintenance.

A tapered seal and resilient flap block debris and moisture in tailgate-bed gaps while still allowing easy tailgate removal.

A dustproof ring and multi-lip seal isolate water from the seal lips, reducing freezing damage in in-wheel motor drive systems.

A reinforced roof frame with threaded fastening keeps the peripheral seal intact, enabling roof swaps between types without seal damage.

A harder thick portion in the glass run transmits and dissipates door-glass vibration to cut wind noise without heavier or acoustic glass.

A trim lip matched to the window seal profile reduces visible door-edge gaps during assembly and improves perceived door quality.

Multiple sealing members and axial shaft movement prevent leakage during rotary-linear motion while allowing worn seals to be replaced.

A housed hinge-and-slider mechanism combines sealing and multi-point locking for curved transit doors, cutting actuator complexity and injury risk.

A drain hole between dual seal lips lets water escape during high-pressure washing, preserving the inlet box seal at the body panel.

A side storage door folds down into a load-bearing step, improving cargo bed access while preserving enclosed through-body storage space.

Semicircular labyrinth seal halves maintain shaft sealing without contact, cutting wear and simplifying service without bearing disassembly.

Rigid and flexible seal sections improve positioning, folding, and assembly for large housing gaps such as battery box enclosures.

Stepped shaft diameters ease boot insertion while keeping the protrusion locked in the groove for secure sealing and durable propeller shaft assembly.

A harder door glass lip or bulge improves impedance matching in the glass run to cut 2-5 kHz wind noise without added glass weight.

Centrifugal fins on the rotating component push lubricant away from the seal interface to limit leakage under misalignment, wear, and oil mist.

An annular flange recess nests the outer seal, preserves rolling-member spacing, and uses a labyrinth to shed muddy water.

Rigid divided jig surfaces and fitted recesses keep sealing-member height uniform over protrusions, helping prevent leakage.

An unclosed molded seal with two joinable legs avoids costly extrusion equipment while preserving bulb-seal compression force and sealing reliability.

Magnetic elements guide and seal a retractable vehicle window flush to the body, cutting wind noise, drag, and sliding friction.

An unclosed seal preform is molded first, then closed into a bulb seal to cut extrusion cost while retaining strong compression sealing.

A low-permeability insert and barrier coating cut insulating gas migration through elastomer gaskets in high-voltage sealed joints.

A wedge-shaped thickened window section creates a parked-state seal gap to prevent icing while maintaining sealing and low wind noise in driving.

Pre-assembling the shaft seal on the door module flange cuts OEM assembly steps while maintaining effective sealing at the window glass.

A sealing shaft sleeve in a motor-driven four-link step mechanism blocks dust at the shaft hole, reducing noise, wear, and loss of step smoothness.

Layered oil seals and anti-swing rings block dust and moisture during inner-tube retraction while adding lubrication for smoother push rod operation.

Multi-component injection molding integrates the fastening element, trim, and sealing strand to cut vehicle window seal assembly time and complexity.

A seal spring boosts tab contact pressure against the outer housing to maintain durable grounding and improve connector assembly reliability.

A clamped trim-ring hatch with an insulated foam-core lid improves installation, sealing, noise reduction, and roof-hatch appearance.

A guide element steers the sealing profile free end near the application point to prevent joint misalignment on body panels.

A tubular inter-door seal drains water between primary and secondary roof seals to keep pillarless vehicle interiors dry in heavy rain.

A plastically deformed waveguide seal withstands pressures above 2000 bar while protecting electronics and preserving level measurement signal integrity.

A harder inner layer covered by a softer sealing layer limits projecting-portion deformation, improving connector sealability without added width.

A 2K-molded core-shell gasket bonds into the housing to improve gas tightness and remove error-prone O-ring assembly steps.

A thin heating film placed between the seal body and flocking expands heated area, simplifies manufacture, and improves window defrosting.

A grooved cap with a removable sealing member keeps door holes water-tight while avoiding foam injection variability, curing time, and full-cap replacement.

Weatherstrips with drains collect and discharge rainwater around deployable roof sensors, keeping the sensor area dry with simpler sealing.

An elastic flange-and-lip seal keeps the tilting truck cab gap closed against fixed bodywork, cutting aerodynamic drag and fuel loss.

An asymmetric recess in the sealing member blocks reverse mounting, improving battery sealing performance and fitting efficiency.

An integrated gasket and support lets a removable fabric vehicle top keep a downward arch and fluid-tight seal without added peripheral frames.

Mechanical flange fixing helps a vehicle canopy seal absorb tailgate forces, preventing tearing while maintaining an airtight, watertight seal.

Using separate inner and outer seal materials with an evacuated gap helps vacuum chambers resist cleaning gases while maintaining high vacuum.

An integrated corner seal joins door frame seal members to eliminate glass run corner gaps and improve sealing against interior trim.

A shrink boot with flowable polyurethane gel seals wire bundles against moisture while adding strain relief through thermal and pressure cycles.