Check Valves TRIZ Cases

See how a fitment insert with check ball seal and venting enables automated refilling of chemic

See how a dual-valve drainage pipe uses a breathable membrane and duck beak valve to prevent ca

See how a conical tapered tube with a self-positioning spherical closing member eliminates gaps

See how a rotatable dispensing unit handles multi-shot espresso service and enables inverted cl

See how a combined inflation and decompression valve uses pressure-responsive movement to preve

See how a sliding plunger valve allows rapid inflation while dampening air egress during deflat

See how a rotatable dispensing unit with segmented assembly handles multiple espresso servings,

See how a mechanical valve unit uses steam pressure and gravity to prevent backflow and air lay

See how a pressure-driven mechanical valve replaces electronic control to prevent steam backflo

See how elastic braided bands on an inflatable frame provide mutual stretching for multi-direct

See how a fitment insert and docking connector automate chemical dilution and refilling while e

See how a nested decompression valve component automatically opens at set pressure to prevent i

See how a locking member engages a spring-loaded shaft to prevent gasket wear and water spillag

See how a counter-mount foam dispenser uses a mixing chamber below the counter and mix media at

See how integrated stop features on pressure relief valves provide alignment indicators to redu

A shifting deposition source and UV curing in one chamber improve large-substrate thin-film uniformity while cutting footprint and tact time.

A collapsible outer piece, plug, and separate cap create two sealing stages that reduce air loss and simplify inflation and deflation.

A universal housing with quick connectors and interchangeable flow controls cuts molds and parts while meeting regional backflow rules.

A cradle-supported ball and laterally positioned spring prevent coil blockage, enabling accurate sealing and rapid full-flow pressure relief.

A tapered needle and controlled lift stabilize differential-pressure throttling, preventing hunting noise and erratic refrigerant pressure.

Two center-hinged swing flaps cut opening pressure and pressure drop in boiler exhaust ducts while preventing flue gas backflow.

Negative-pressure suction and an adjustable valve help seated users with poor digestive function excrete more comfortably while easing caregiver burden.

Axially spaced flapper seals in inlet and outlet pipes block convection currents, cutting standby heat loss from water heaters.

A check-valved bypass feeds refrigerant from the liquid line to the harvest line to sustain mass flow and suction pressure in low-charge ice systems.

A vortex regulator with staged pressure reduction and heat exchange cuts CNG from 3000 psig to delivery pressure without freeze-up.

A one-piece flexible spout uses inclined flanks and a pressure-sealed slit valve to prevent leaks while opening easily under lip pressure.

An integrated non-return valve in the inlet assembly blocks reverse water flow, protecting fresh water lines while reducing parts and assembly.

An elastic insert check valve simplifies household appliance assembly while maintaining one-way fluid sealing with lower precision requirements.

A cross-slit valve with a perforated baffle prevents backflow and clogging in fluid dispensers handling viscous or particle-laden liquids.

Parallel check-valve flow paths speed tire inflation and deflation while preserving gas sealing in a standard valve stem format.

Continuous pressure sensing lets an ECU open tire valves in motion to maintain inflation and identify slow leaks before damage occurs.

A threaded external tire valve preserves cone sealing, prevents chronic pressure leakage, and supports inflation, deflation, and add-on devices.

A plastic-thread tire valve connector integrates pressure release and self-opening flow control to cut cost while maintaining stable air and sealant delivery.

A universal coupling interface lets one gas pressure source work with different repair-kit containers while keeping hose sealing stable and handling simple.

By lowering and then restoring common header pressure, this case reveals tire leaks that are otherwise masked by air flow between tires.

An elastic valve, holding member, and clamping cap simplify substrate container assembly while preventing residue corrosion and gas leakage.

A fluid-damped vent valve releases excess chamber pressure and limits contamination to keep tire inflation valve timing consistent.

A reusable push-button pressure relief valve simplifies tire repair kit air regulation, lowering cost while enabling precise manual pressure release.

An inclined valve mount adapts a centrifugal tire air filler to different wheel shapes while reducing impact-driven air leakage.

A pressure-responsive gas barrier opens only when needed to equalize battery pressure, limiting water vapor ingress and condensation.

A movable weight, airtight seal, and detachable cap let this tire air filling structure supply air while driving and during stoppages.

Pleated filtration, parallel relief valves, and a drainback path keep hydraulic tank vents breathing while blocking water and contaminants.

A spring-loaded piston and circumferential seal connect Presta, Dunlop, and Schrader valves without adapters while maintaining airtight inflation.

Pressure relief troughs and an enlarged exhaust bore speed tire deflation without wheel changes or loss of standard TPMS compatibility.

Guide balls and a radial fluid passage stabilize a brake valve closing body, reducing vibration, noise, and wear across service life.

Separate inflation and deflation ports increase tire gas flow, cutting pressure adjustment time for on-road and off-road use.

A ball-and-groove pump head with an elastic sleeve enables one-handed valve attachment, secure sealing, and fewer inflation leaks.

A rotating cover and elastic reset enable reusable battery pressure relief while directing vented gas away from nearby devices.

Isolated valve body portions with separate discharge paths vent gas and electrolyte without buildup that can soak valves and trigger cell short circuits.

A detachable tire pressure sensor mates with the aircraft wheel relief valve, enabling separate replacement and lower maintenance cost.

An embedded high-density weight in the elastomer-covered valve stem improves wheel fixation and resists centrifugal detachment.

A pressure-responsive gas barrier and breathable membrane equalize battery pressure while limiting water vapor entry and sealing loss.

A spring-opened valve forms a sealed path before fluid flows, preventing sealant leakage and confirming a tight tire valve connection.

Opposed one-way valve cores equalize battery box pressure while blocking moisture ingress, reducing seal failure and condensation risk.

A three-part membrane valve uses radial elastic sealing and axial immobilization to cut assembly cost while preventing backflow.

A sliding pressing device lets one pump connector deform its airtight ring for both American and French valves while maintaining a reliable seal.

A press-fit valve cage, spring-loaded ball, and integrated filter improve sealing, cut flow resistance, and enable preassembly checks in hydraulic brakes.

A sleeve-driven finger clamp and movable seal let an air chuck grip short tire valve threads securely without manual holding or thread damage.

Segmented membrane venting lowers battery case opening pressure to 50 mbar for rapid gas release while preserving reclosable sealing.

Radial membrane segments and support ribs enable low-pressure battery case venting while preserving sealing and reclosable gas release.

A sealed path forms before the valve opens, helping tire maintenance connectors prevent sealant leakage from loose threaded engagement.

Radially deflectable fingers and a sliding sleeve let this tyre valve air chuck seal securely without manual holding or thread damage.

A pivoting valve member redirects delivery air to exhaust faster in pneumatic brakes, cutting exhaust time and simplifying the assembly.

An elastic pressing-tube valve absorbs freeze-driven fluid expansion, protecting washer flow passages from jamming or breakage.

A liquid-sealed vent valve lets battery gas escape while blocking air and moisture backflow that can degrade the power storage device.

A mechanical relief valve in the spray distribution block returns excess washing liquid to the tank, keeping multi-nozzle pressure below 6 bars.

An elastomeric grommet and umbrella valve simplify substrate container sealing, cutting particulate contamination and leakage risk.

Spring-loaded control elements and an air stop ring let a Presta valve adapter connect and release one-handed while staying secure at high pressure.

A spring-biased CTIS valve fitting seals tire pressure when the feed hose is disconnected, enabling compact service-friendly decoupling.

Guide balls keep the closure member aligned to damp brake pressure oscillations, cutting noise while preserving valve performance over service life.

An integral hydroformed valve seat cuts check valve parts and assembly steps, lowering cost while maintaining one-way refrigerant flow control.

Adding a mass element to the closing assembly lowers seat impact velocity, reducing vacuum pump check valve noise during pressure changes.

A spring clip hinge and integrated sealing gasket simplify small swing check valve assembly while reducing leaks and machining difficulty.

A sensing arm and magnetic sensor track valve motion to detect low flow accurately while avoiding pressure loss and separate flow switches.

A nested mass-spring assembly inside the control rod counteracts gas-flow oscillations, cutting check valve wear in aircraft inerting systems.

Rotatable valve blocks eliminate intervening piping to save installation space, simplify plumbing assembly, and improve maintenance access.

A segmented shroud and integrated cover direct backflow relief discharge parallel to the outlet, reducing scatter and improving drain funnel coupling.

A split plastic-metal valve structure adds flexible fluid connections, limits stem overtravel, and reduces blowout risk and hysteresis.

A dual valve-head mechanism uses springs and pressure plates to hold inflatable products at preset pressure without sensors or manual checks.

A remotely actuated check valve bleed assembly releases gate valve grease to a collection tube, avoiding red zone entry and soil contamination.

A jack-shaped valve member with stem and feet prevents silicone check valves from sticking and shingling during bulk packing and assembly.

A smooth valve-guidance transition and liquid damping layer cut turbulence, closure vibration, noise, and dripping in atomizing nozzles.

Contacting structures add closing force to resilient valve lips, preventing leakage in one-way flow paths through flat surfaces.

A removable flow control insert lets one quick connector body handle different fluid functions while reducing connector variety and contamination risk.

Retaining features keep the poppet and disc away from the weld, enabling thermal assembly with lower leakage and particle risk.

Pressure-driven carrier and spring action enables bidirectional downhole flow to clear fluid build-up while maintaining well pressure control.

A spring-loaded check and relief valve in one blower manifold prevents backflow and vents excess pressure to protect components.

A thicker overlap section on the valve membrane absorbs corner contact in the pump chamber, reducing wear while preserving one-way flow.

A one-way relief valve limits excessive airway suction by admitting ambient air at set vacuum thresholds, reducing mucosal injury and pressure spikes.

A two-stage poppet valve uses an intermediate cavity and separate cracking pressures to improve subsea pressure relief reliability.

Different spring forces guide the sliding disc through smoother opening and closing, controlling flow and reducing fluid hammer damage.

A screened cover cap keeps particles out of a diving exhaust valve while preserving fluid discharge and reliable sealing.

Offset dual retainer rings guide the drain valve stem, reduce housing dents and sticking, and preserve fluid flow with low pressure drop.

A wavy annular metal seal replaces elastomers in a poppet check valve to maintain fluid-tight sealing at elevated temperatures and pressures.

Dual filters built into the valve housings trap particulate matter while the valve member blocks backflow in IV fluid paths.

A protective housing encloses the spring at full opening, shielding it from abrasive flow to prevent erosion and extend check valve life.

A flexible-tubing plunger valve blocks reflux in IV lines yet can be forced open for blood aspiration, refilling, and back-priming.

Recess-driven vortices lower pressure behind the valve element, helping a check valve open fully, cut pressure loss, and reduce wear.

Angled sharp projections on a removable sewer check-valve flap block rat gnawing and entry while preserving sewage backflow protection.

A multi-ring valve with flexible arms improves oil flow in a camshaft phaser, raising rotational speed while reducing hydraulic power use.

Backpressure from a non-linear valve collapses air bubbles before metering, improving water reading accuracy and reducing meter wear.

A flexible diaphragm fixed at three or more edge points improves vacuum bag valve airtightness, prevents dislocation, and reduces disassembly errors.

A shaped valve chamber wall creates an end-position bypass that releases diaphragm sealing contact, suppressing hysteresis and speeding response.

Separated elastic wall portions and a stable web let injection and aspiration passages seal and open independently under pressure.

Guided membrane movement creates a larger, well-defined flow path for faster package evacuation and gas flushing without losing a gas-tight seal.

A spring-linked butterfly valve balances pressure during aircraft defuel to prevent flap slamming, surge loads, and manual override injury risk.

A multi-passage spray pipe switches buttock and bidet outlets quickly, improves jet alignment, and cuts self-cleaning water waste.

Upstream check valves retain and redirect oil to critical aircraft gearbox components after pump failure, delaying heat buildup and failure.

Injection ports and sand shields let a gate valve repair seat erosion in operation while maintaining bi-directional pressure without leakage.

Multiple hinged flappers split the valve opening so flow can continue after hinge pin damage while keeping fast opening and high open area.

An external stop adjusts check valve travel for different fluid viscosities without disassembly, reducing wear and improving pump efficiency.

Laterally spaced flapper pivots isolate impact and vibration transfer in a check valve, reducing cracking risk and improving durability.

A removable seat cartridge and protected flapper layout make check valve seat replacement easier while reducing erosion and sealing loss under pressure.

A free-floating plug closes the inlet during firing to stop backflow, preserving ejection volume without slowing chamber refill.

A check-valve dressing with hydrophilic foam balances pressure and blocks backflow to prevent leaks, adhesive failure, and skin damage.

A telescopic piston opens under differential pressure to keep a high-pressure valve compact, fast-acting, and resistant to leakage.

A pre-assembled spool spacer matches existing valve footprints, avoiding on-site retrofitting while preserving certified backflow assembly compliance.

A flange-supported recessed packing helps a reciprocating check valve seal tightly while resisting dislodgement and stress under harsh loads.

A beveled repair extension creates a hermetic seal within a tapped valve stem bore, preventing air leakage and avoiding full assembly replacement.

A sliding catching element with a flexible gasket prevents air leakage across different valve types while maintaining compact device volume.

Relief vent assembly positions crossbar at distal margin to maintain laminar flow, preventing turbulence that reduces emergency discharge rates.

An air-liquid separator divides entrained gas from liquid flow using distinct passages to reduce total fluid volume entering the release valve.