Diaphragm Valves TRIZ Cases

A dual-plunger hydrogen injector device uses relative plunger displacement to regulate fluid flow rates within a compact casing.

A compressed air check valve uses hold-down devices to locally constrain the diaphragm disk against the valve seat.

External tube compression isolates valve components from urine, preventing connector encrustation and maintaining bio-isolation.

Recesses in annular grooves capture displaced elastomeric bead material, preventing membrane bulging and premature failure in compressed-air brake systems.

Segmenting the liquid chamber eliminates dead areas and minimizes violent fluctuations during channel switching operations.

A flexible tube valve uses a cantilever arm to squeeze fluid channels for precise volume control.

A pneumatic drain valve driving device uses a linkage trigger mechanism to control pilot and slide valves via a piston.

Segmenting the valve seat into separate cylindrical members allows independent polishing of the contact surface, resolving manufacturing precision constraints.

A fluid control device exposes the piston upper end portion through an upward opening in the casing to allow visual recognition of valve states.

An elastomeric closing element isolates fluid segments in a microfluidic channel, reducing energy consumption by eliminating continuous pneumatic actuation.

A servo-controlled diaphragm valve manages gas flow between inlet and outlet without a pilot assembly.

Segmented bonding holes in a valve diaphragm distribute stress concentration to prevent resin sheet exfoliation from repeated operational deformation.

A disposable filling arrangement uses a sterile filter and non-return valve to expel residual gas from flexible bags.

Segmenting the valve body and adding an elastic intermediary resolves dimensional errors that cause inconsistent sealing during large flow rate control.

Relocating the pinch valve body interface aligns it with actuator movement, enabling sleeve replacement without pipeline disassembly.

Non-clamped elastic diaphragm bends under fluid pressure to open passages, enabling debris flushing and extending operational life.

A valve pushes a lower membrane into an inclined groove via a positioning block, forming an annular seal that blocks water flow at low pressures.

Direct clamping eliminates valve gland dependencies, resolving sealing reliability issues and reducing manufacturing complexity.

A sleeve valve integrates a filter screen to protect solenoid components from debris in irrigation systems.

Vertical tube sections with varying diameters enable continuous processing of biomass without caking, maintaining low energy expenditure.

Segmented storage tanks and an intermediary manifold enable continuous operation while a pressure-sensitive valve prevents oozing waste.

Elastomeric disc isolates pre-metering region from bulk formulation, preventing turbophoresis particle migration and ensuring accurate dose delivery.

An orifice with a diameter set to 50% or less of the second flow passage stabilizes Cv value variation in high-temperature semiconductor gas control.

Segmented shell elements attach radially to the valve member, reducing stress and simplifying replacement of the pinch valve.

Radial 120-degree oil passages enable definite switching between opening portions, resolving indefinite fluid mixing ratios in compact designs.

An annular groove in the valve body bottom surface increases mean flow rate by at least 20% while reducing manufacturing variations.

A low pressure directional stop bypass device uses a guided inflatable plug to maintain gas flow during meter replacement.

Offsetting the diaphragm seat creates an asymmetric closing path that eliminates pressure spikes and extends component lifespan.

A pressure control valve incorporates a hollow cylinder in the valve opening to equalize gas flow and reduce sensitivity to intake tract vacuum fluctuations.

A pressure-type flow controller integrates an orifice and on/off valve to minimize internal fluid passage volume.

An annular membrane engages outlet passages based on pressure differentials, enabling precise low-level regulation without complex mechanical structures.

A hydraulic manifold with hydraulically actuated spool valves prevents over-pressurization from fixed displacement pumps by selectively controlling fluid flow.

A flow path member divides a wall into two slits to prevent liquid residence and stop gas bubbles from attaching to inner walls.

A pinch bar uses a retractor spring to direct closing force inwardly into the valve body.

A seal assembly carrier disconnects from the seal assembly to enable conduit sealing operations.

Nested thermal shields intercept heat from high-temperature process gas, preventing laminated piezoelectric actuator overheating without increasing device size.

A parallel-acting roller clamp uses a tapered relief groove to regulate fluid flow through deformable plastic tubes.

A rotatable valve core disk with a one-way diaphragm controls gas flow direction through the passage.

A unitary diaphragm assembly integrates thermoplastic and elastomer materials into a single molded structure with radial supports.

Cutouts in the protruded rim create direct downstream paths that minimize residual volume, enabling rapid zero flow measurement after valve closure.

A dense phase powder pump adjusts valve actuating pressure to seal conveying chambers and enable flushing gas flow.

An inflatable balloon seals gas flow ducts through a tubular insertion tool, preventing leakage during relief valve maintenance.

Laser welding fuses the valve body and membrane without particle formation, ensuring medium tightness in sensitive biological applications.

A dental suction valve uses a flexible diaphragm to isolate unused cannulas from the shared system.

An elastic sleeve insert with a central spherical zone compensates for pipe misalignment during assembly.

Ultrasonic welding joins the valve body and sealing membrane to prevent contamination during assembly.