Equalizing Valves TRIZ Cases

A magnetic stem indicator shows which pressure relief valve discharged, avoiding false signals and labor-intensive checks in refrigeration systems.

An inclined lifting bell collar and back pressure edge help safety valves open reliably under counterpressure in gas and steam systems.

A shared opening and integrated plug cut high-pressure part count while enabling compact two-stage gas pressure reduction.

A coaxial valve assembly combines outlet closing and pressure relief to simplify direct-injection fuel pumps while maintaining precise rail pressure control.

A differential-pressure piston opens the relief valve quickly during overloads while keeping the crusher gap stable for consistent particle size.

A reduced-area relief valve piston helps a hydraulic crusher open the crushing gap quickly under overload while keeping gap width stable in normal use.

A dual-pressure piston valve lets crushers hold a stable crushing gap in normal operation while opening quickly under overload.

A heated auxiliary drain cabinet uses a trap, strainer, and flow restrictor valve to prevent condensate freezing and false trips in dry pipe sprinklers.

A differential-pressure release valve uses flange-shoulder sealing to limit suction-chamber leakage and avoid debris-stuck motion in compressors.

A shutter recess and expandable tool let engineers verify and unblock an aircraft drainage valve even when pressure is too low for normal operation.

A rupture-disc check valve isolates gas flow until a set pressure is reached, protecting gas lift valves and avoiding workover downtime.

A resilient secondary seal captures flow leaking past the primary seat, reducing safety valve leakage below the set point at high pressure and temperature.

Uses attached mass and spring forces to help a rupture disc open consistently at low pressure while fitting compact, high-acceleration designs.

A movable pressure relief valve locks the cap until venting equalizes container pressure, preventing explosive separation during removal.

A common opening and multi-function plug simplify two-stage gas regulation while limiting high-pressure exposure and maintaining gas-tight sealing.

A sacrificial connection region vents gas before valve overload, preventing damage and warning operators of hazardous pressure events.

Snap-fit base and cover parts secure a membrane vent in housing walls, cutting screw assembly time while improving sealing against pressure and moisture.

Using an existing blowdown set screw port, this case detects relief valve seat leakage and simmering earlier without intrusive valve modification.

A shape memory preload element offsets spring force loss at high temperatures, helping a pressure relief valve hold consistent cracking pressure.

A valve integrated into the movable crusher assembly opens the crushing gap faster during overload, helping unbreakable objects pass without damage.

A movable diaphragm and adjustable spring seat let inflatable pool valves tune relief pressure and prevent damage from high internal air pressure.

An unbalanced poppet and tuned spring passively modulate differential pressure to stabilize mass flow in high-pressure gas valves.

A separate ventilation channel in the engine oil relief valve blocks idle-state oil backflow without main-line check valves or added pressure loss.

Adjustable spring compression lets a diaphragm relief valve match changing pool air pressure while keeping the venting structure compact.

A thinned polymeric rupture region enables low burst pressure in small disks while preserving pressure-cycling durability and manufacturability.

A pre-weakened kinetic hinge moves out of the flow path after disk activation, reducing vent resistance while controlling fragmentation.

A split-ring retained valve separates the wear part from the rod, cutting pneumatic spray gun maintenance time and replacement cost.

Porous fabric containment dissipates high-pressure hydrant discharge to limit back splash, improve flow measurement accuracy, and avoid anchoring.

Two suction portions switch by transverse acceleration so the inner valve closes and the outer path keeps oil flow air-free in curves.

A retaining element keeps the rupture plate holder in place during disassembly, preventing hydraulic oil leakage and easing crusher maintenance.

A segmented valve seat sandwiches an O-ring to keep sealing performance while eliminating rubber baking, adhesive steps, and leakage risk.

Spaced press-fit pieces cut relief valve assembly load while keeping spring set load adjustable and stable during press-fitting.

A fusible cap and threaded adapter keep a hydraulic valve open in normal use, then melt or disconnect to allow emergency closure.

Remote porting, check valves, and flow monitoring simplify machine fluid evacuation and refill while reducing maintenance downtime.

Pre-formed seams and facets guide a wellbore rupture disc to break into smaller pieces, reducing blockage risk while preserving pressure sealing.

A spring-assisted evacuation unit passively drains trapped POSRV fluid after pressure loss to prevent freeze expansion damage and downtime.

Electrical heating weakens a downhole isolation membrane to trigger fluid communication without pressure-window limits or bulky power systems.

A pin inside the driveline vent tube bursts lubricant bubbles before they reach the relief valve, preventing fluid expulsion during pressure relief.

Vacuum-filled bellows passively move a valve stem to block gas above a set pressure in high-temperature service without power or cooling.

A clawed thermoplastic assembly and pre-measured springs simplify PRV assembly while enabling precise pressure setting and reliable sealing.

A curved knuckle catches and curls the reverse buckling rupture disc to prevent fragmentation while lowering head loss after activation.

A tapered, polymeric gauge-relief valve monitors pressure and vents spikes in single-use sterile fluid lines without dead legs.

Air release channels in a relief valve stem vent trapped compressed air, preventing O-ring blowoff and allowing pneumatic tool valve reuse.

A movable member and flow passages close the outlet at high pressure to prevent excess liquid flow while preserving low-pressure flow.

A removable flow control body lets utilities swap excess flow valves for new demand rates without excavation or interrupting gas service.

A motion-controlled valve inside the overload assembly opens the crushing gap faster, helping crushers eject non-crushable objects before damage occurs.

A striker, diaphragm, and external indicator identify which relief valve discharged, cutting false signals, investigation time, and monitoring complexity.

Electronically controlled line valves add pressure drop where needed to balance boom airflow and prevent uneven product delivery during turns.

Layered perforated metal sheets and a sinuous valve plate cool and redirect crankcase exhaust gases to prevent external flame propagation.

Snap-in spring tongues simplify battery cell cover assembly while holding a seal until excess internal pressure lifts the cover to vent safely.