Diaphragm Valves TRIZ Cases

A rotary pinch valve uses a cam mechanism and pneumatic assistance to close the sleeve.

Direct rivet attachment eliminates sleeve-induced stress, ensuring rapid closure and long-term reliability.

A deformable valve controls liquid flow in microchannels by altering capillary pressure through wall deformation.

A shape memory alloy flow control device uses printed resistive traces to heat and deform flaps for rapid fluid regulation.

A shut-off valve diaphragm deforms against endless projections to absorb impact energy and prevent particle generation during contact.

Positioning parts align projections to minimize sealing area and prevent fluid leakage without increasing release force.

Axial locking protrusions engage holder recesses to prevent unintended valve rotation from fluid pressure changes.

A one-way valve uses a membrane with a stiffened outer peripheral portion to restrict deflection over the seat.

A pilot-operated regulator with diaphragm protection maintains stable outlet pressure by controlling exhaust valve operation based on feedback sensors.

Convolute gussets bias the sealing body to prevent delamination and extend lifespan beyond one million cycles.

A pneumatic controller uses a diaphragm and detent mechanism to switch an output port between atmospheric pressure and vacuum.

An emergency switch breaks internal equal pressure in a diaphragm valve, enabling manual operation when solenoid failure prevents automatic control.

Segmenting the welded base from the removable membrane assembly resolves the trade-off between mounting reliability and ease of disassembly.

Hooks and engaging pieces replace thermal fusion, enabling easy assembly and repair while maintaining connection strength.

A constricting pressure valve apparatus uses a pressurizable membrane to open and close within a housing structure.

A manual valve uses a dual cutoff mechanism to seal the flow path through screw-driven force.

Segmentation isolates tube sections to reduce energy consumption during maintenance while maintaining reliable pressure control.

A metal diaphragm valve integrates a resin layer to buffer thermal expansion, stabilizing the Cv value within 10% after ten million high-temperature cycles.

Flexible membrane closing device manages shredded waste discharge to prevent pipe blockages and odor issues.

A magnetic field deforms a duct membrane to route washer fluid through a single pipe, eliminating complex multi-pipe installations.

Guide tube shields blockage bag from pipe burrs and pressure, ensuring reliable flow passage closure without interrupting operation.

Pulse-width modulation increases actuation power in increments to eliminate metal-to-metal impact noise while maintaining low holding energy.

A dented film valve design accommodates dimensional tolerances in blood treatment cassettes to ensure reliable sealing.

An actuator-driven sleeve mechanism adjusts sealing geometry to accommodate varying medical device diameters while preventing fluid leakage.

Segmented chambers with varying membrane elasticity create independent pressure zones, preventing harmful fluid backflow in compression therapy.

Segmented valve seat and matching elastic modulus prevent membrane rupture from stress concentration during precise drug dosing.

A pressure relief valve uses a diaphragm and sealing member to control fluid flow through one port.

Curved housing cover geometry minimizes material fatigue and actuation forces, enabling reliable operation down to -55°C.

A bladder-type control valve regulates fluid flow using solenoid actuation and programmable logic controllers to manage wellbore pressures.

A clamp ring applies compressive load to a welded diaphragm, isolating the joint from actuation forces.

An external igniter propels a piston to crush and seal fluid lines, preventing fuel leaks and fire risks during vehicle crashes.

Segmented reset mechanisms enable buried shut-off valves to detect leaks and isolate fluid wastage without requiring full excavation.

A resin fluid control valve uses a tapered curved surface at the connecting part to enhance flow rates and maintain momentum.

Groove in valve housing maintains fluid communication between chambers when diaphragm deformation blocks primary exhaust path under high pressure.

An electromagnetic vacuum valve replaces mechanical linkages with periodic air intake cycles, reducing energy consumption during elevator cabin descent.

A pressure-driven valve system with a deformable flow control membrane adjusts fluid flow through dynamic structural changes.

A tubular valve uses a sealing element that buckles inward to close internal flow paths.

An electronic control system replaces pneumatic lines with direct motor drive, reducing brake response time in long vehicles.

An actuator uses an electroactive valve to trap dielectric fluid in a membrane compartment, locking the device in a specific position without continuous power.

A diaphragm valve uses an anti-friction bearing to support the movable screw or nut part for precise axial clamping.

Segmented valve seats paired with specialized tools allow maintenance crews to extract and install components without damaging the valve body surfaces.

Threaded studs decouple identification from manufacturing complexity, enabling retrofits and flexible production.

A rotary pinch valve uses pressure assistance to reduce actuator force requirements.

Segmented sealing beads with stepped profiles maintain pretension and prevent sticking, eliminating valve vibrations.

A nested flexible conduit arrangement collapses under pressure to evacuate fluids automatically, eliminating manual draining and spill risks.

Integrating a porous member into the valve disk distributes air flow uniformly, reducing turbulence and noise during pressure adjustment.

Magnetic actuation controls the shutter while a fluid chamber cushions impacts, eliminating water hammer damage during rapid bottling cycles.

Diamond-like carbon coating on the pressure control surface resists cavitation erosion in high pressure supercritical fluid chromatography systems.

Axial pressure piece guides locking slides into a recess to release closure elements, eliminating complex mechanical components for assembly.

A liquid control valve uses a slide coupled to the diaphragm to limit closing displacement and prevent distortion.