Diaphragm Valves TRIZ Cases

A valve actuator uses a booster mechanism to amplify closing force within air chambers.

Gaskets prevent backflow in a fluid transportation device, eliminating costly actuators while maintaining net mass flow rate.

A pneumatic pinch valve uses a spring to urge the plunger into a closed position, preventing tube damage and contamination during air pressure loss.

A flow control valve uses a sliding rotation member with an axial locking portion to secure differential screw settings without displacing the valve element body.

A composite diaphragm valve uses a dual-hardness membrane to distribute clamping forces and prevent assembly errors.

A piezoelectric flow control valve applies a preliminary voltage spike to the actuator for rapid fluid regulation.

A valve closure element uses a torus diaphragm to generate closing force from inlet pressure.

A continuously extruded tube transfers fluids through integrated passages within a bladder structure.

Rotating holder adjusts spindle stroke without tools, resolving compact design constraints.

A cable-driven valve transmits torsional force to deform a flexible section, enabling precise one-handed operation.

A miniature pump device integrates an anti-free flow valve with a flexible membrane and preload structure to control fluid direction.

Dome-shaped resin film diaphragm blocks microchannels with moderate pressure, lowering manufacturing costs compared to elastomers.

Fluorocarbon rubber bending areas resist blow-by gas attack on switching membranes, preventing brittle failure and environmental leaks.

A milking teat cup nozzle directs fluid into the liner head to coat the teat during withdrawal, eliminating vapor mist risks from manual spraying.

Segmented throttle plates reduce turbulence and noise while maintaining precise pressure control in a single device.

A fluid controller sets stem movement limits using a fixed gap between the diaphragm holder and holder adapter surfaces.

Optimized boundary curvature in a cobalt superalloy diaphragm raises gas flow without degrading durability.

A mechanical backflow prevention device uses a mobile water tank and pressure-driven sealing members to control fluid flow.

A normally-closed valve uses a tapered stroke adjustment member to control fluid flow rates with high precision.

Segmented sealing with a drainage channel prevents trapped water from reaching downstream pipes, reducing maintenance needs for fire suppression systems.

A fluorine and carbon polymer switching film bends axially to control fluid flow, resisting aggressive blow-by gases that damage standard elastomers.

Optical sensors detect diaphragm wear through light transmission changes, replacing disassembly for predictive maintenance.

Serial springs with distinct elastic traits in a gas metering valve ensure reliable sealing under high negative pressure and precise flow control.

Onboard reservoir enables rapid closure independent of external power sources.

A universal clamping device integrates pressure and length measurement units to monitor flow path status within medical diagnostic arrangements.

A cup-shaped valve body with a tapered cross-section and a seal cup with a varying internal contour allows for a lighter float.

A fuel tank vent assembly uses a magnetically held membrane holding element to manage internal pressure and vapour flow.

An exhaust channel with a dedicated control valve removes residual gas from the fluid path, reducing step-down time without compromising flow precision.

A valve device adjusts flow rate variation using an actuator driven by external adjustment information.

An inclined gripping member prevents detachment from a diaphragm under pressure, ensuring reliable valve operation in inkjet recording apparatuses.

A piezoelectric actuator integrates a discharge resistor to maintain consistent initial length.

Rotatable pinch bar simplifies tube installation while the load cell maintains accuracy as liquid level drops.

A back pressure regulator uses a floating support hub to position an O-ring seal between the diaphragm and process surface.

Fluid passages distribute actuating pressure evenly across the diaphragm backside to evacuate trapped air and reduce priming time in semiconductor processing.

A membrane valve uses a compression fit connection between the body and reeds to eliminate laser welding.

A liquid storage chip integrates a sealed cavity with an elastic cover sheet to eliminate complex ampoule structures.

A valve component integrates an expansion chamber to absorb acoustic energy and reduce noise propagation within the fluid pressure regulation system.

A diaphragm valve uses shouldered pins and keyways to fix the bonnet assembly via rotational engagement.

Segmented valve seats and dry film lubricants eliminate fretting wear, extending MTTF to 40 million cycles.

A pressure regulator integrates a wear sensor to track closing element position.

A thermally controlled expansion valve uses buoyant closure body movement to vent gas from liquid systems.

A diaphragm integrated valve body moves along an axis to adjust fluid flow rates through precise distance changes between parallel contact surfaces.

Piezoelectric valves precisely control liquid transfer to prevent leakage and uneven absorption in electronic cigarettes.

A flexible diaphragm valve integrates holding and sealing functions to inject fluids into mixing bowls.

Segmenting the flushing path reduces liquid waste and cleaning time compared to full system disassembly.

Counter-rotating bobbins with tapered grooves clamp flexible tubes securely without deformation, eliminating the need for multiple specialized parts.

A fluid control valve uses a tapered annular seat to distribute load and minimize deformation.

A flush valve diaphragm sealing ring features a recessed area that engages with the valve body to establish accurate bypass orifice orientation.

A valve stem connection structure with a reduced diameter stem portion and enlarged diameter stem portions, along with a U-shaped holding plate and expandable engaging ring.

An elastically deformable engagement member prevents excessive torque from damaging the valve seat, while resin components resist chemical corrosion.