Couplings TRIZ Cases

A ring-shaped piston and latch plate retain or release a subsea hydraulic connector seal ring remotely without separate hydraulic functions.

Individual locking member position sensing enables remote verification and controlled well tool disconnects, reducing subsea failure risk.

An integrated tapper combines cutting, service-line connection, and main stop valve functions to simplify hot tapping and reduce hardware.

Differentiated tooth angles and spacing balance male-female contact tensions in a wellhead connector, improving locking reliability.

Discrete angular locking lets one quick-connect fluid coupling fit installation constraints during assembly without multiple orientation-specific molds.

Smaller restrictive slots and a single sleeve spring let this quick coupling lock automatically without outer sleeve overtravel in tight spaces.

Push-fit male and female bodies with grooves and flexible tabs create a sealed, reversible fluid connection without threads or tools.

A separate coupling collar with elastic tongues and an elastomeric inner shoulder simplifies vehicle AC tube assembly while compensating tolerances and sealing leaks.

A movable sleeve, adapter, and dual-ridge seal create leak-tight coolant links for dense server cooling with lower fan energy use.

An inner adapter sleeve secures fluid line plug-in locking in tight spaces while protecting latching arms and blocking dirt ingress.

Helical grooves, radial ears, and an anti-rotation lock create a sealed fluid joint with low assembly torque while preventing galling and leakage.

A separate holder, locking elements, and retainer simplify fluid coupling assembly while keeping nipple connections secure and size-adaptable.

A snap-fit interconnect module uses biasing and interlocking parts to speed liquid cooling installation and replacement while maintaining heat dissipation.

A memory ring and pusher let a female fluid connector auto-lock short male elements while keeping the fitting compact and sealed.

A movable ramped spline locks pipe joints quickly while preventing lost splines during transport, disassembly, and assembly.

A single-cam clamp with locking pins, gasket, and O-ring enables fast hose joining while maintaining a secure dripless seal.

A tilting sleeve and collet let one connector grip different threaded ports and keep a seal under side loads and angular misalignment.

A stepped female quick connect profile accepts different male connectors, enabling secure threadless fluid coupling with less installation time.

A two-step safety lock and rotating female coupling create a small vent gap, letting operators detect pressure and reclose before full separation.

A nested sealing ring, compression ring, and engaging teeth layout enables rapid pipe connection while maintaining strong, leak-proof locking under pressure.

A sheath keeps the retainer in place during handling, then uncovers the groove for quick pipe assembly and secure irreversible locking.

Cold expansion of a metal hose forms a hermetic quick-connector seal, cutting brazing steps, leakage risk, and assembly cost.

A movable offset male-female lock improves split valve sealing, alignment, and sterile handling without bulky engagement mechanisms.

An integrated sliding sleeve forms the valve seat, simplifying rail air coupling sealing, maintenance access, and protection against dust and water.

Elastically deformable threaded arms and a sliding tubular lock enable push-in tube installation with secure retention, sealing, and reuse.

A sleeve-and-insert locking structure enables one-handed pipe connection in tight spaces while reducing leakage risk and avoiding tools.

A clip-and-harpoon locking layout lets the main body insert into the tubular tip, enabling compact assembly while preventing rotation and movement.

A pressure-actuated shutter and slider lock the connector above a threshold, preventing uncontrolled ejection while reducing wear and button complexity.

A push-fit hydraulic or pneumatic connector replaces threads with snap features and tabs to speed assembly while preventing damage and misalignment.

A grooved chute and movable buckle secure high-pressure pipe connections while enabling quick release, low-cost sealing, and cross-standard fit.

Differential thermal expansion lets sprags create or remove race gaps, enabling temperature-based clutch engagement and torque transfer.

A single-use sleeve-and-collet connector permanently locks dialysis conduits to prevent removal, cross-contamination, and disinfectant use.

A floatable seal and collet latch let subsea wellhead connectors tolerate misalignment while limiting gas migration and hydrate buildup.

Pressure-release holes vent the semi-inserted socket to ease uncoupling while preventing plug jump-out and fluid leakage.

A pressure-actuated shutter and slider keep the connector locked at high internal pressure, preventing uncontrolled ejection and reducing wear.

A captive pivoting retainer secures vehicle pipe connectors while reducing insertion force and preventing retainer loss during disassembly.

A gripper-ring and O-ring adapter lets one push-fit valve connect rigid pipe or PEX tubing, cutting valve variety, tools, and install time.

A fluid-fed compensation chamber shifts axial load away from coupling jaws, enabling safer high-pressure terminal connections above 1000 bar.

A movable lock ring blocks lever pivoting after connection, preventing accidental male-female connector release and leakage.

A two-part wedge slider guides and latches a fluid line plug connection, lowering locking force while improving handling and secure retention.

Vent channels and safety-release tabs let a quick-disconnect coupling bleed residual pressure before separation, preventing adapter ejection.

Separating the body, levers, and locking ring lets each part use the right material, improving joint strength and durability without harder operation.

Internal relief and check valves let LRUs be swapped without full draining, refilling, or air bleeding in fluid systems.

A lockable release pusher enables tool-free push-fit pipe disconnection, preserving leak-free sealing and fitting re-use.

A memory ring and plunger let a female fluid coupling auto-lock short, constant-diameter male elements while reducing coupling length and bulk.

Circumferential engagement structures and pressure-actuated clamping align heavy wellhead hubs remotely, preventing seal damage and leakage.

A ring-fulcrum sealing element enables fast tool-free pipe coupling release while maintaining secure connections under high pressure.

A force-limiting inner body and pressure sleeve protect the valve tappet head in high-pressure line couplings, improving safety and sealing reliability.

A spacer sleeve bridges pipe deformation from retaining teeth so the seal runs on an undeformed surface and maintains gas-tight sealing.

A flexible blade and transverse passage let engineers release the retaining tab and replace a failed sealing insert without replacing the full pipe coupling.