Diaphragm Valves TRIZ Cases

A tear-off flap isolates the data storage device from the diaphragm, enabling sterile-cleanable monitoring and easy recycling.

Radiused and pointed contact surfaces create a controlled pinch gap that keeps tubing seals repeatable as elasticity declines over time.

A tapered operation shaft replaces complex screw drives to deliver precise low-flow valve opening control with a simpler structure.

A swellable material, diaphragm, and piston regulate irrigation water by soil moisture, cutting complexity, leakage risk, and waste.

A slit membrane inside infusion tubing closes automatically under pressure change to stop hazardous free-flow without complex valve hardware.

Curved channel sections and a conical diaphragm guide fluid smoothly, improving shutoff precision while minimizing pressure loss.

Angled clamp surfaces load the perimeter seal evenly, reducing leakage and simplifying diaphragm valve assembly and maintenance.

An internal diaphragm and intermediate chamber replace a downstream check valve, simplifying pressure control and valve operation monitoring.

A collapsible tube valve isolates patient-side pressure while clearing pooled fluid in dependent drainage loops to reduce reflux and infection risk.

An integrated anti-roll mechanism stabilizes a speaker diaphragm, suppressing rocking motion, noise, and miniature transducer manufacturing limits.

A thick-thin zoned diaphragm improves corrosion resistance, sealing precision, and service life in high-frequency wet-process valves.

A flush welded diaphragm and valve block remove particle traps, keeping semiconductor process fluid clean during high-speed minute flow control.

A spring-loaded plunger and control orifice let users reset a diaphragm control valve by releasing upper-chamber pressure and reopening flow.

Pressure-actuated pilot and diaphragm valves create periodic high-peak fluid bursts, removing debris without manual operator exposure.

A sealed RFID carrier in a thickened membrane tab enables reliable valve identification and data storage without complex multilayer chip insertion.

An adjustable-stroke solenoid and diaphragm keep flow stable in a compact cartridge valve while simplifying replacement and clog cleaning.

Remote motor-driven valve actuation and tamper-proof flow adjustment improve irrigation reliability while reducing field wiring and manual labor.

A bendable valve indicator transmits axial motion while absorbing transverse diaphragm and flow forces to prevent permanent bending and leakage.

A pressure-responsive film valve suppresses backflow in a piezoelectric pump, improving rectification, pressure, and flow rate.

Negative-pressure suck-back in matched diaphragm valve and recirculation units prevents metering drips while keeping fluid handling compact.

A dual-diaphragm check valve uses pressure-area differences to open quickly at low pressure while maintaining reverse-flow sealing and preventing leakage.

Pressure-driven pilot release enables periodic high-pressure fluid discharge to clear chips without manual operation or continuous air use.

Standardized valve body interfaces let interchangeable adapters add flexible connections while keeping pull-out-proof, elastomer-free sealing.

Placing the orifice restriction next to the valve seat cuts trapped fluid volume, reducing transient flow and improving delivery precision.

A nested locking member inside the handwheel blocks unauthorized valve operation while keeping normal rotation and fluid-flow control.

A piezoelectric diaphragm valve uses seal retention to prevent seal shift and keep implantable fluid inflation and pressure control consistent.

A secondary control member and stem stop restrict gas flow after lever disconnect, reducing relief valve size and downstream overpressure.

An elastic chamber wall and piezoresistive sensor detect fluid pressure inside the device, cutting sensor bulk, cost, and circuit size.

An electric motor toggles a diaphragm diverter valve with sensor feedback and tamper-proof adjustment for reliable remote irrigation.

A piezoelectric actuator adjusts diaphragm force to stabilize mass flow control under pressure variation with faster, finer set-point response.

A rotatable closure opens to a guided angle so tube sections seat correctly, improving pinch valve reliability and replacement handling.

An inflatable valve member seals a flush channel by pressure actuation, removing position sensors, tuning steps, and closure damage risk.

A resilient shut-off seal lets a multi-orifice diaphragm regulator maintain precise pressure control while reducing low-flow leakage.

A disposable conduit sandwiched in an encapsulated pinch valve cuts residual volume, sterilization burden, and fluid handling complexity.

Multiple elastomer flow chambers and tapered partition walls improve shut-off sealing while reducing compression wear and turbulence.

A distal pinch profile and blocking ribs stop over-engagement rebound in tubing clamps, reducing reflux, disengagement, and patient discomfort.

A conical guide protrusion stabilizes diaphragm motion to prevent overturning, cut flow loss, and improve sealing in high-pressure valves.

A spring-loaded membrane replaces multiple valves to deliver uniform flow, prevent dripping, and reduce maintenance in fluid dispensing.

An upright arm-and-threaded-shaft layout pinches vertical pipes inside meter boxes while easing handle rotation and limiting pipe damage.

Opposing diaphragm curvatures create rolling flexure instead of buckling, cutting stress, extending service life, and enabling higher valve lift.

A flexible internal member switches flow paths by pressure threshold, limiting CO2 rebreathing while reducing exhalation noise and discomfort.

Dual pressure sensing lets an MFC switch between flow-decay and pressure feedback to verify calibration in situ and maintain accurate flow.

A ceramic sphere cuts diaphragm friction in a fluid control valve, preventing fretting wear and breakage without costly coatings.

A progressive pinch valve controls multiple fluid lines precisely with one constant-rate pump, cutting pump and actuator complexity.

An orifice placed adjacent to the valve seat minimizes dead volume, reducing transient flow and shortening equilibration in precise fluid control.

A distal pinch profile and blocking ribs stop over-engagement rebound and reflux while lowering clamp force and improving tubing security.

A hinged two-section valve with a threaded pinch member speeds assembly and disassembly while fitting different elastic tubing sizes.

Multiple curved inlet and outlet bores raise SMB chromatography flow and pressure capacity while limiting diaphragm deformation.

Magnetic or voltage-driven elastic diaphragms replace bulky valve mechanisms to deliver compact, precise fluid dosing and flow regulation.