Diaphragm Valves TRIZ Cases

A compact in-line swivel uses a bearing to rotate fluid flow through a single bore.

A third check valve blocks reverse airflow between the input chamber and port.

A medical infusion occluder uses a pivotally movable member and grip to control fluid flow.

An internal helical rotor indicator prevents stem leakage while an integral spring weakens faster than linearly to close the plug unit.

Central valve switching mechanism actuates separate pumps for individual liquid transport into a measuring cell.

A resilient member compensates for thermal expansion differences in a diaphragm valve, preventing fluid leakage and extending service life.

A pressure control valve design reduces internal dead volume using an elastic sealing member and compact bore hole structure.

Threaded engagement with biasing members prevents sudden actuation from pressure spikes, ensuring reliable closure and minimizing leakage.

A servo valve with a movable throttling pin decelerates liquid flow to prevent cavitation and water hammer effects.

A fluid control device sandwiches a film between structured plates to apply precise tension for reliable diaphragm operation.

Asymmetric interlocking features on riser portions prevent cross-clamping and enable simplified two-part mold manufacturing.

A valve with a built-in orifice uses mechanical pressing to secure the orifice body within a stepped housing recess.

A diaphragm valve integrates a bayonet cap with a central union nut to secure the drive housing.

Deflectable membrane adjusts fluid flow via pressure differentials to prevent fibrosis and maintain optimal intraocular pressure.

A rubber diaphragm with drain holes controls fluid flow in automatic water shut-off valves by opening for compressible air and closing for incompressible fluids.

A valve controller executes a set-up procedure to detect the precise closed position of the plunger.

Relocating the discharge resistor to the actuator assembly prevents piezo cracks and reduces thermal effects on the control board.

An actuator valve device uses an adjustable member to regulate the piston's upper limit position for precise flow rate control.

A regulating apparatus with an expandable chamber maintains pressure equilibrium by controlling valve operation during temperature and pressure changes.

In-plane actuation minimizes volume changes, enabling compact valve designs that maintain narrow profiles across all operating conditions.

A flexible diaphragm actuated by a piezoelectric transducer precisely modulates liquid flow through an orifice.

An insertion guide tube houses a blockage bag and moves along a branch pipe axis to position the sealing element inside a fluid conduit.

Exterior actuation bends a looped tube to stop flow, preventing contamination from internal valves while reducing mechanical load on the tube.

A flow regulating apparatus uses a rotating rod member to adjust valve insertion while keeping the control knob fixed in position.

Remote synchronization of diaphragm valve memory data enhances security and reduces operational costs.

Dynamic radial clamping compensates for entropy-elastic deformation, extending membrane service life and sealing reliability.

Spacer prevents film deformation during sterilization by maintaining clearance, ensuring gas exchange and sealing reliability.

Cam members urge guide-mounted pins against opposite sides of a flexible liner to distribute stress evenly and prevent contamination in aseptic environments.

A shape-memory alloy valve uses a preheating unit to raise wire temperature before actuation, enabling rapid opening and closing operations.

A solenoid valve control system cross-references operating temperature and cycle data to optimize coil power consumption dynamically.

A vehicle diaphragm valve design uses a mesh layer and guide portions to stabilize fluid flow through the discharge passage.

Preformed convolution areas reduce stress accumulation in the outlet portion, preventing fatigue failure and extending operational life.

Segmented stepped teeth prevent high-pressure connection loosening while multi-angle transparent windows eliminate display obstruction.

Segmented diaphragms handle high pressure and temperature loads while maintaining sealing integrity through redundant backup layers.

Frame-like sealing face surrounds opening while moveable body presses against substrate, preventing coating damage during vacuum evacuation.

A flow restriction device uses a deformable insert with an internal support structure to reduce well bore diameter.

Replacing complex mechanical valves with thermally responsive shape memory polymer conduits eliminates manual operation and reduces system component count.

Closed-cell foam isolates the transmitter from water, allowing low-power signals to pass through air and preventing flooding.

Asymmetric non-opposing sidewalls prevent micro-tubing from bending out while enabling standard injection molding without complex slides.

An inflatable bladder seals sewer conduits automatically using sensor-triggered pneumatic inflation to block fluid flow.

A substrate processing apparatus uses pressure loss settings and a discharge valve to control liquid flow through supply and return piping.

A pressure-type flow control device uses an exhaust valve to evacuate gas before operation.

A compact valve locking mechanism uses a rotatable plate integrated into the valve body to secure handle positions.

An hourglass stud couples a diaphragm to a compressor spindle, eliminating threaded connections that cause sealing difficulties and high-pressure leakage.

Sets pressing surface radius ratio to 0.4-0.6 of diaphragm radius, preventing uneven stress concentration that reduces durability.

Radiation spacer lifts piezoelectric actuator away from hot fluid passage to maintain safe operating temperature.

A flexible dispensing tube adapts its shape within a reusable urn assembly to prevent kinking and maintain optimal fluid flow rates.

Expandable seal closes measuring lance openings, minimizing test gas consumption while maintaining measurement reliability against high particulate loads.

Mathematical algorithms fuse diaphragm, installation, and operational quantities to predict remaining lifetime and minimize unplanned maintenance interruptions.