Positive Displacement Pump Components TRIZ Cases

A linear compressor suction valve uses a multi-wing structure to manage gas flow resistance and reduce mechanical friction.

Guide posts align the valve plate in a compressor cylinder head assembly, reducing wear and improving startup efficiency.

Segmenting the housing into two cavities via a partition plate isolates the suction port, preventing airflow pulsation from disturbing the expansion chamber.

Damper chambers decelerate the spool before stroke ends, preventing high-speed collisions that damage components during state switching.

Tight piston clearance retains fluid via capillary action, blocking gas passage to ensure accurate delivery without time-consuming degassing procedures.

A check valve uses a plastic seat with a thin sealing lip and an elastic poppet member to direct fluid flow.

A composite valve seat combines a steel body with a tungsten carbide insert to resist wear while maintaining structural strength.

Segmented vacuum exhaust architecture applies dry pump pressure to oil pump fluid, resolving hydrogen peroxide sterilization corrosion risks.

Segmenting the housing chamber into an external casing reduces fuel pressure pulsation noise without increasing pump body size.

Twisted elastic coupling guide prevents separation between suction guide and back cover, reducing noise from thermal deformation.

Electric heater vaporizes condensed compressor effluent, resolving energy consumption trade-offs during separation.

Segmenting pressure handling into separate pumps reduces energy waste from dumping pressurized fluid during high-flow phases.

Eccentric passages in support and base elements discharge dirt particles from compressor poppet valve bores, preventing clogging.

Integral fins on the controller housing dissipate heat without vibration, solving cooling trade-offs in vacuum pumps.

An air pump integrates lifting mechanism and control valves to manage airflow through the device.

Three-way valves redirect a single-direction pump to enable multiple air functions in one compact unit, eliminating the need for separate dedicated devices.

A pneumatic pump check valve uses a movable sealing ring to prevent premature wear and extend operational life.

A fluid transportation device uses a vibrating film to change pressure cavity volume and move liquid through valve switches.

An air inlet control valve adjusts airflow into the compressor manifold based on real-time motor current monitoring.

Separating the mover from the piston simplifies assembly while adjusting relative velocities enhances motor efficiency.

A top plunger adapter uses a fluted section to create cyclonic fluid flow for sand removal.

A convex protrusion on the pump body end supports the cylinder to establish a secure plastic bond interface.

Axial or radial oil feeding via a cage guide unit reduces negative pressure and prevents air bubble formation in plunger pump bearings.

A reciprocating compressor device uses an electro-hydrostatic drive to supply compressed gas at required frequencies.

An asymmetric piston design increases fluid friction resistance at the compression load side to stabilize posture and prevent unsymmetrical wear in compressors.

A tapered conical discharge cover guides fluid flow through an enlarged bore to reduce pressure head losses.

A mini air pump uses a preload member to maintain consistent abutting force on the relief valve.

Flow-through UV chamber destroys airborne pathogens while flowmeter monitoring prevents compressor starvation.

A linear compressor controller estimates piston position using motor voltage and current signals to manage reciprocating motion.

Integrating a safety valve into the pump housing eliminates separate components, reducing dead volume and space requirements while preventing free flow.

Refrigerant nozzles create gas bearings that eliminate oil friction, enabling smaller compressor volume without performance loss.

Integrating the valve plate with the suction retainer removes intermediate plates, reducing flow restrictions and boosting refrigerant efficiency.

Segmenting the compression section and adding a piston stopper prevents head contact and rod interference during maintenance.

A sterile liquid pump uses a pneumatic diaphragm to drive fluid through resilient tubing without mechanical rollers.

An integral muffler design unifies suction and discharge noise devices into a single housing structure to minimize refrigerant leakage at assembly joints.

A cryogenic pump flange uses a stepped passageway and annular groove to create a thermal barrier.

Asymmetric motor placement balances lateral forces in dual pump fluid proportioners, reducing wear and leakage without adding components.

A dual assembly joint structure controls adhesive flow in vehicle air compressor hoses.

A linear compressor intake muffler arrangement uses a communication hole to fluidly connect internal expansion spaces for improved acoustic filtering.

Airflow-guiding members channel air through the inflator motor housing to dissipate heat generated by the rotor assembly.

A quick-release vacuum pump uses a skirt-type check valve and pressure chamber to release suction via pneumatic actuation.

A perforated delivery cylinder separates liquid components from thick matter flow during pumping.

A vibration pump integrates a through-hole valve assembly to enable self-priming without additional components.

A pump body assembly uses a sliding fit between the rotation shaft and piston to enable smooth oil liquid transfer.

An elastic band secures a pump nipple to a tire valve using tension.

Continuous hole in pump frame equalizes pressure across the diaphragm to maintain vibration amplitude.

A grid electrode flow unit regulates fluid circulation via electrohydrodynamic forces to manage heat transport in enclosed passages.

Segmented radial channels control solidification patterns to prevent metal obstruction and maintain consistent flow paths.