Diaphragm Valves TRIZ Cases

Sequential hose clamping redirects filtration and backwash flows to keep dirty water off the clean side and avoid valve wear contamination.

A threaded bonnet, adjusting screw, and lock nut let assembly teams tune diaphragm position and stabilize Cv despite component tolerances.

Laser welding joins the membrane to the valve body with controlled heat, reducing chamber deformation and improving microfluidic dosing reproducibility.

An elastic receiving portion opens only during device connection, preventing e-liquid leakage while removing the need for a mechanical check valve.

A flexible inner-tube constriction limits nozzle deposits, stabilizes droplet size, and maintains symmetric spray during long runs.

A floating-ball buffer valve meters high-pressure gas release to cut jet flow, vibration, and particle contamination in pneumatic diaphragm valves.

A resilient valve body flexes to open under pressure, then uses downstream pressure to strengthen sealing and prevent backflow in medical fluid delivery.

A welded multi-piece fitting with a hollow pedestal cuts valve weight and cost while preserving sealing strength and aseptic cleanliness.

Shape memory alloy wires actuate membrane valves with a smaller footprint, cutting dead volume, reagent use, and fluid dispensing cycle time.

A diaphragm, mesh, and spring shut off flow at excess differential pressure to protect test instruments without venting fluid.

A resilient valve element adjusts the flow opening with pressure changes to keep liquid flow constant and improve peak water usage control.

An orifice seated next to the valve seat reduces trapped fluid volume, shortening transient flow and reaching steady-state delivery faster.

Multiple chamber drain paths help a diaphragm fire valve open fully, avoiding single-port flow inhibition and improving sprinkler response.

A tortuous diaphragm valve filter path lets debris and calcium deposits settle before the control chamber, reducing clogging and missed closure.

An insert and threaded cap independently seal central and offset valve passages to prevent shell leakage while preserving flow routing flexibility.

A locking long hole, elastic pressing rod, and burr blocker simplify electronic water valve assembly while improving rigidity and burr containment.

A stepped plastic insert uses circumferential interference fit to prevent leakage and entrapment while maintaining precise low-flow valve control.

A raised peripheral feature takes clamping load while keeping the diaphragm center flat, improving sealing and reducing fluid assembly noise.

By integrating valve cavities and actuator passages into one manifold block, this case cuts connections, size, and leak points.

A bioprocess valve switches between high and low closing force to maintain sealing while preventing tube surfaces from sticking shut.

A plunger, spring, and upper-chamber pressure balance lets diaphragm control valves be reset manually without accidental fire suppressant discharge.

Annular flanges, grooves, and railings lock the pinch valve sleeve in place while improving sealing at the valve rim to prevent leakage.

Rigid valve bodies and jackets encapsulate flexible unreinforced tubing to handle pressure while cutting hold-up volume, cost, and routing complexity.

Clamping and ultrasonic riveting create a hermetically sealed diaphragm valve unit while allowing more flexible valve body and diaphragm material choices.

Pneumatic pinch valves replace bulky control valves in exhaust gas sampling, cutting space, weight, and cost while preserving reliable flow control.

Multiple bearing surfaces let one cylinder head cover support different valve stop plates, cutting compressor production and assembly cost.

A wavy pre-tensioned membrane replaces a coil spring to keep the valve disk from sticking, reducing air leakage and improving vacuum buildup.

Controlled electron-beam irradiation strengthens a modified PTFE diaphragm against abrasion while preserving bending life in corrosive semiconductor service.

Direct downhole position sensing links hydraulic pressure changes to ICV motion, improving calibration, response prediction, and positioning accuracy.

A separate rotating adjustment part changes the main valve open position for variable flow while keeping manual labels readable.

A shaped pressure ring converts circular bonnet compression into a secure seal on a non-circular diaphragm valve body periphery.

A magnet-driven diaphragm and sliding ring regulate faucet outlet size precisely, reducing water waste and avoiding flow restrictor blockage.

A rotary cam and micro-servomotor regulate multiple fluid lines by locally compressing deformable ducts, reducing valve bulk and contamination risk.

A normally closed sleeve eliminates closure stretching and beam-like openings, extending pinch valve life while lowering abrasion and actuator force.

An elastic non-circular flow channel keeps velocity uniform during pinching, reducing shear and flow loss in biopharma liquids.

A regulator and adjustable stroke solenoid stabilize flow, cut solenoid size, and enable quick cartridge replacement in tight spaces.

An axisymmetric two-part pinch clamp lets flexible tubing be installed in any orientation while still reliably stopping fluid flow.

A switch valve unit lets one membrane valve alternate between pressure reduction and shut-off, cutting separate valve space and cost.

A smooth, fabric-reinforced diaphragm uses elastic inversion and pressure differential to seal reliably without springs, reducing pressure loss.

Point-by-point STA attribute checks expose timing constraint mismatches between golden and ported ASIC or SoC designs, reducing sign-off iterations.

An inverted smooth-surface diaphragm uses fabric-reinforced tension to seal a fluid valve without springs or ribs, cutting stress and pressure loss.

Interchangeable compressor and holder elements let one reusable pinch valve fit varied bioprocess tubing sizes while maintaining flow control.

Segmented shutter guide contacts scrape off deposits and keep the valve shutter moving freely for stable, predictable differential pressure control.

Combining a centrifugation chamber with microfluidics automates whole-blood sample cleanup, removing PCR inhibitors while concentrating target nucleic acids.

Radial spindle and nut stop surfaces cut breakaway torque, prevent overload, and improve diaphragm valve handling and service life.

Three-state pinch valve control varies closing force during flow and idle periods to prevent tube sticking and restore reliable bioprocess flow.