Positive Displacement Pump Components TRIZ Cases

Heating the infusion tube while using pressure and ultrasonic sensing helps a peristaltic pump detect occlusions, leaks, and air for accurate delivery.

Separate inlet and drainage holes in a plunger pump valve box reduce stress concentration, improve sealing, and extend service life.

Contact sensing lets the pump head pivot only when removed, preventing sensor and wire damage during orientation changes.

A segmented encasement block locks a fuel pre-regulator at its initial setting while preserving inlet and outlet access and protecting against damage.

An electric offset slider-crank balances piston side loads in a diaphragm pump while cutting pneumatic energy loss and pressure pulsation.

An upstream guide member and plastic insert layout cut inlet dead space, improve suction, and lower piston pump manufacturing cost.

Pressurized slurry filtration removes drying and grinding delays, enabling concurrent analysis of fresh soil samples for multiple analytes.

Finned end caps and extended hydraulic cooling paths prevent coil overheating, enabling sustained high-pressure motor-pump operation.

Integrated micro pumps, fluid paths, and TFT control move test samples on-chip for compact processing with less manual intervention.

A rotor-mounted sliding edge expands the safe tube removal window in a peristaltic pump, reducing jamming, friction, and tube damage.

A rack-and-pinion pressure display in the inflator upper cover keeps readings visible during pumping while avoiding a bulky external gauge.

Stay-rod modularization and closed lubrication cut mount-plate stress, weight, and wear while making fracturing pump power-end parts easier to replace.

Circumferential welding spots and reinforcing ribs prevent base deformation, closing shell gaps that drive sympathetic vibration and noise.

Integrated UV or heating sterilization inside the vacuum pump blocks pathogen growth in packaging lines without frequent cleaning shutdowns.

Direct motor-to-pump conversion drives a coaxial piston for precise high-pressure fluid dispensing with less transmission complexity.

A spaced mount plate and separate couplers let reciprocating pumps service the reciprocation bore without fully disconnecting the fluid end.

A one-piece clutch with slots, tapered sides, and a varying-diameter dart shaft reduces frictional wear while maintaining secure retention.

A dual-chamber check-valve layout vents trapped gas from off-gassing chemicals, preventing vapor lock while sustaining high pressure and flow.

A local spring-loaded bellows accumulator stabilizes pump suction pressure, preventing aircraft hydraulic cavitation without added weight or maintenance.

Multiple smaller intake and exhaust valves cut sealing force and back pressure, boosting air displacement with lower compressor energy use.

External heat insulation and a split protective covering keep a vehicle air compressor warm enough to prevent condensation, oil emulsification, and dirt ingress.

An in-line fluid end routes intake through a plunger passage to remove intersecting bores, reducing stress, wear, leakage, and replacement frequency.

A packing-integrated diversion passage and valve reroute compressor leakage gas to intake or collection, cutting emissions without extra equipment.

A rotatable press-fit muffler coupling locks a non-metal unit to the back cover, eliminating gaps for better noise reduction and reliability.

A liquid-filled hydraulic compressor avoids costly explosion protection while enabling safe gas compression in enclosed spaces.

A fan-driven external cooling path removes heat from motor and control housings, supporting higher pump speed and flow without overheating.

A removable drive module uses static and dynamic interfaces to keep support and power transfer while enabling fast, tool-free pump maintenance.

Detection-based air pressure adjustment keeps bellows expansion timing stable, reducing pulsation, water hammer, and cavitation.

A non-return discharge valve and flow retarder remove surplus liquid between compression stages while limiting bath vaporization and density loss.

Two discharge mufflers plus flexible and metal hoses cut compressor noise, block vibration, and avoid hose damage during welding.

A slidable hard insert in a unitary valve rod guide absorbs shock, reduces wear, and preserves standard fishing tool compatibility.

A laterally movable roller assembly compresses the infusion tube only during pumping, reducing permanent deformation and extending service life.

A bottom-mounted intake filter removes dust and moisture before air enters the motor and cylinder, reducing wear, corrosion, and service-life loss.

An electromagnetic piston drive replaces gears and rods to avoid sealing fatigue, cut noise, and keep oral irrigator water pulses stable.

A low-permeability casing coating limits moisture and oxygen transfer across -40°C to 100°C, helping compressors resist rust.

Direct oil contact cools PCB hot spots through housing openings while one sealant bonds and seals the pump ECU for lower cost.

A single piston and shift fork synchronizes unloading valves across multiple compressor cylinders, cutting complexity, cost, and energy use.

A direct piston-to-magnet connection stabilizes oscillating armature pumps, cuts impact noise, and reduces parts in beverage machines.

An external stem-and-cover interface lets crews rotate a fracturing pump pinion safely during maintenance without disassembly or grease fitting damage.

Wedge-shaped clamp rails preload the fluid end joint to match pump stress, reducing threaded retainer fatigue and easing service.

A nickel-chromium-molybdenum steel composition helps high-pressure pump components resist wear, pitting, and corrosion at lower cost.

A fibre-reinforced plastic control plate cuts noise in water hydraulic machines while maintaining wear resistance, flexibility, and pressure capability.

A latent cure catalyst helps road-marking epoxy cure quickly while reducing pump seal gelation, overheating, and maintenance downtime.

A nose plate with multiple tie rod bolt patterns lets one reciprocating pump frame fit different fluid ends without adaptor plates.

An integrated annular support shoulder positions the pulsation damper, spreads contact stress, cuts part count, and reduces fuel pump noise.

A multi-bent bridge damper in the oil pickup part absorbs vibration transfer and cuts shaft collision noise in hermetic compressors.

A U-cup seal, backup ring, and sleeve share sealing across pressure ranges to handle tolerance variation and extend pump seal life.

An agitator blade above the lubrication pump keeps grease flowing to packing cartridges at low temperatures, reducing wear and failure.

Switching the cooler fan off during idling cuts energy use while temperature and dew-point control prevent condensate and overheating.

Separated gas and hydraulic paths with seal buffers and intercooling cut contamination risk and compression heat in multi-stage operation.