Plug Valves TRIZ Cases

A trunnion ball valve seat retainer uses a communication part to relieve cavity pressure via self-tension.

Replacing mechanical compression with a rotating axle and radial holes eliminates leakage risks in medical flow controllers.

Progressive flow channels in a rotatable ball prevent flash boiling and material damage during high-pressure liquid regulation.

Graphene oxide filters in fuel tanks drain accumulated water to prevent spurious pressure signals from freezing, ensuring accurate pump monitoring.

A throttle valve bushing separates airflow from the spring and cover flange to maintain sealing integrity.

A stopcock fluid flow guide directs liquid through selective passageways to flush internal port volumes without exiting the source port.

Segmented key mechanism sets precise water refill ratios, eliminating weir line spillage and ensuring optimal toilet bowl fill without overflow.

Integrating an insulating insert into the ball valve structure eliminates separate couplers and reduces installation errors.

A security valve uses fluid pressure to drive a piston that locks the ball in place.

Segmenting the valve assembly into a fixed bore and rotating rod with an intermediary sleeve reduces maintenance costs in battery electrode coating systems.

A valve cartridge assembly uses a transmission device to switch between rotational and axial movements for low-torque operation.

Extracting the retaining mechanism from the fluid path eliminates particulate traps and bacterial growth zones while maintaining precise seal alignment.

A freeze tolerant ball valve uses a thin sacrificial end cap to direct water expansion forces away from the main body during freezing events.

Internal helical fins rotate fluid flow to separate gas and liquids while preventing foam and emulsion formation in changing conditions.

A planetary gear assembly amplifies torque from magnetic cartridges to the ball in a stemless valve design.

An integrated valve in a drain clean-out assembly enables controlled sewage drainage before plug removal, preventing spills during obstruction clearance.

Merging the regulating and measurement units into one housing eliminates complex sealing interfaces, reducing leakage risks and assembly errors.

Segmented intermediate chamber and sliding flow reduction part minimize device complexity while reducing water flow for shower integration.

Three-point stator seating cancels opposing compression forces to reduce unmixable fluid volume and enable faster switching speeds.

A hemostatic valve uses counter-rotating mechanisms to twist a flexible tube into a leak-proof seal.

A gas safety valve uses a spring-loaded knob with sliding projections to prevent inadvertent operation.

An intermediary load distributor redistributes vapor pressure to the main body, reducing stress on cover studs and allowing compact valve designs.

A hydraulic shut-off valve uses a blocking device to limit the valve slide to an intermediate position for controlled pressure equalization.

Rotating eccentric piston reduces pipe cross-section to regulate steam flow, preventing sealing ring destruction from temperature rise.

Embedded scrapers on the rotating valve plug clean the hollow seal to prevent particle deposition and stabilize pressure in semiconductor processing chambers.

An asymmetric rotor groove in a sample introduction device generates pressure differences that minimize residue and reduce carry-over.

Segmented through holes in a ball valve displace compacted sand debris, preventing mechanical binding and ensuring reliable operation.

An intermediary sleeve bearing rotates relative to the stem guide to prevent galling and wear on the valve stem.

Rotating ball valve assembly with sliding sleeve member featuring guide tracks and force reducing profiles to pivot the rotatable ball element.

Direct metal-to-metal contact between the anchoring assembly and rotor plate prevents loosening under varying pressures and temperatures.

A valve with a bypass duct connects inlet and outlet paths to maintain minimum fluid flow when closed.

A pumping device seal cap unit uses a regulating member with draining holes to control air flow and pressure.

A rotatable valve insertable into sewage lines uses a sharpened lip to cut debris and an O-ring seal to block backflow.

Multi-position flapper rotation dislodges deposits without adding mechanical complexity or power consumption.

Exciting the first solenoid valve holds pressure in the compressor line during regeneration, eliminating refill energy waste and ensuring safe operation.

A conical rotary valve modulates fluid flow through intersecting frustum passageways to provide variable area control.

A cylindrical plug with tortuous outer channels discriminates fuel vapor from liquid fuel in recirculation pipes.

A mash-up map advertisement system generates an identifier layer to track exposure, clicks, and posts across platforms.

Downstream heat tracing prevents Joule-Thomson ice formation in rotary control valves, eliminating costly upstream water bath heaters.

Feed channels supply pressure medium upstream of the closure seal to raise throttling gap pressure and eliminate cavitation in low backpressure pipelines.

Radial groove cutouts in a valve sealing ring elastically deform under pressure changes, extending seat life and preventing fluid leakage.

An asymmetric ball expansion valve prevents vapor phase blockage during two-phase expansion to ensure precise mass flow regulation.

A double-seat valve exposes a second annular gap between the rod and seal to flush the extension area during partial lift movements.

Segmenting the valve body into a main housing and removable bonnet allows seal replacement without unbolted pipeline disconnection, reducing downtime.

Additive manufacturing merges separate components into a single valve trim, eliminating sealing elements and leakage risks while reducing overall height.

A liquid flow rate modulator varies water output through a rotating rotor to achieve uniform sprinkler coverage.

Cup springs retain solid lubricant around the crank pin, preventing wear and maintaining joint integrity at temperatures exceeding 500 degrees Celsius.

Intersecting auxiliary bores minimize dead volume to reduce solids accumulation in severe service ball valves.

A valve incorporates a radiating element emitting electromagnetic radiation to inhibit germ reproduction on internal surfaces.