Valve Arrangements TRIZ Cases

A common actuator base and removable membrane valve cassettes let one bioprocessing platform switch operations with less tubing, holdup, and operator effort.

Preloaded disposable cartridges and a reusable reader enable accurate analyte detection outside labs with faster results and simpler operation.

When a partially open valve blocks ultrasonic signals, transducer impedance is used to infer pressure difference and keep flow measurement active.

A mathematical model cross-checks shut-off valve state variables to detect sensor errors and replace faulty readings for reliable fluid control.

A low-permittivity piezoelectric sensing region enables passive, linear deformation monitoring in MEMS actuators without active energy use.

A pressure-driven disk and restrainer layout enables automatic valve switching below 1 pascal for precise low-pressure fluid flow control.

Spring-linked toothed segments enable radial-only deformation in compact high-reduction transmissions while preserving torsional rigidity and low backlash.

Glass-to-metal sealed capillaries replace crack-prone welded tin transfer parts, improving pressure handling, thermal insulation, and valve switching speed.

Pressurized grease stored in an accumulator enables remote wellhead valve greasing, cutting safety-zone maintenance time and wear-related downtime.

Shared annular flow paths and end valves enable precise multi-ratio dilution while reducing sample and reagent use in microfluidic mixing.

Air-phase microfluidics generates and traps aqueous droplets without oil, enabling faster flow and reducing protein denaturation in chip assays.

Two split claws with limiting notches ease interference-fit valve seat removal while reducing thread damage and impact load.

A rotatable cover-mounted connector lets one electric throttle valve module fit different wiring directions while reducing part variants and inventory.

Independent PCR lanes and integrated detection let biological samples be amplified in parallel, cutting batch delays and shipping time.

Pressure, flow, and actuator-force analysis turns subsea hydraulic telemetry into targeted health monitoring for earlier fault detection and maintenance.

Internal diffusion-bonded channels replace valve tubing to cut carryover, leakage, and volume variation in liquid chromatography.

Dual circumferential laser welds and ground sealing surfaces stabilize a cam phaser cover against pressure bulging while simplifying fabrication.

Multi-point sprocket support uses gravity between contact points to prevent detachment and keep chain guide assembly alignment stable.

Automated valves and downstream pressure sensing help identify check valve leaks, outlet valve faults, and downstream leakage without manual testing.

Concave or convex oil passages collect oil across the chain guide assembly and route it to sprockets and guides with lower oil demand.

An electrorheological fluid footbed shifts fluid between chambers to change shoe incline, improving running efficiency across flat and banked track sections.

A planetary actuator and torsion spring enable VCR shaft phasing with less axial force, lower axial height, and precise relative rotation.

Stacked piezoelectric actuators give a MEMS 3-way microvalve enough force for higher-pressure fluid control with directional flow and low leakage.

A monolithic metal distributor block simplifies gear-unit lubrication, improves tightness, and enables controlled oil flow with integrated valve and sensor mounting.

Magnetically deflected microactuators clear biofouling and tune drainage resistance to stabilize intraocular pressure in glaucoma implants.

Automated stem and head movement detects wireline or sand obstructions in wellheads and valves before damage and delays occur.

Targeted nozzles apply lubricant near the wire rope load zone so gravity reaches the core wire, cutting downtime and wear.

Oscillation in a single actuator command signal reveals spool-valve friction growth, enabling scheduled maintenance before seizure causes downtime.

CMOS and MEMS processing shrink fluid actuators to the micrometer scale while preserving compression ratio and chamber depth control.

Additional side apertures in adjacent piercing members keep sealed reagents dry while maintaining fluid flow and mixing after foil piercing.

A non-repeating code plate and optical detectors determine absolute valve position accurately without bulky switches or extra sensors.

Low-voltage pulse control drives latching solenoids for remote water and gas shutoff while reducing valve heat and wiring code issues.

A concentric camshaft-balance shaft layout and scotch yoke motion reduce engine noise, vibration, emissions, and friction in compact engines.

A hard-base microvalve uses a membrane and ball bearing to isolate sealing, cut fluid contamination, and maintain repeatable port closure.

Near-field acoustic levitation opens a piezo-driven microvalve gap to deliver precise fluid control with smaller size and lower power.

Localized heating and surface tension enable repeatable microfluidic ejection and stable thrust without moving parts.

Discrete microstructured valve-seat pockets prevent permanent membrane bonding while preserving leak-free sealing and repeatable valve cycling.

Sensor-guided partial stroke tests adapt valve travel to plant conditions, improving operability checks without interrupting operation.

A pressable blister punctures a sealing layer to open or block microchannels, enabling hermetic, low-cost flow control under pressure.

An internal vent chamber and movable valve return grease to the reservoir while avoiding exposed vent hoses and valves.

A rotary valve and pump assembly automate sample and reagent routing to reaction chambers, cutting manual prep time in biochemical assays.

Gas pressure expands a resilient diaphragm to seal a microchannel, simplifying valve structure while lowering cost and failure risk.

Dual-drive pulsatile flow testing reproduces heart-like conditions to measure prosthetic valve flow and leaflet coaptation with lower complexity.

A stepped piston and two one-way valves enable self-priming lubricant delivery with low dead volume, even for viscous grease at low temperatures.

A self-contained microfluidic cartridge and reader cut lab complexity and wait time while delivering accurate analyte detection outside clinics.

Parallel microfluidic extraction, PCR, and detection reduce lab shipment delays while maintaining accurate on-site testing of multiple samples.

An integrated bleed passage through the control bar simplifies double-seal pipe isolation and reduces extra weldments during maintenance.

Offset apertures, smooth edge formation, and reinforced flap layers cut wear and fatigue in high-frequency differential-pressure valves.

Magnet and Hall sensor sensing reveals open or closed status in non-rising stem valves for reliable local and remote monitoring.

A deformable cartridge valve stays open under negative pressure up to 10 psi, improving microfluidic flow control without continuous actuation.