Positive Displacement Pump Components TRIZ Cases

A diaphragm pump guiding member constrains shaft rotation and axial movement.

Snap-fit posts engage through orifices to fix the motor on the base, preventing screw loosening over time.

A variable pressure air pump resolves inflation speed versus pressure trade-offs using a dual cylinder design and a discharge switch that blocks or guides flow.

A variable-volume head adjusts cylinder volume to optimize volumetric compression efficiency.

A condensation sensor detects moisture in a vacuum pump power supply and stops cooling water flow to prevent short circuits from temperature differences.

A compressor assembly integrates drive shaft and connecting rod bearings to minimize mechanical vibrations.

Downstream pump inlet positioned higher than upstream outlets enables air bubbles to rise and collect via buoyancy.

Segmented piston design reduces positioning precision requirements between pressure relief and water-sucking valves, lowering maintenance costs.

Portable hydraulic-powered air compressor drives reciprocating piston via vehicle hydraulics, eliminating bulky reservoirs and reducing fuel consumption.

A pipetting device uses a shuttle valve and indexing mechanism to dispense precise fingerstick blood volumes from a single capillary collection.

An eccentric groove mechanism converts shaft rotation into piston reciprocation, reducing weight and carbon dust contamination.

An integrated oil drainage channel on the plunger sleeve cools the seal, reducing fragment formation risk while simplifying manufacturing by removing stoppers.

An air ducting shroud with blocking partitions directs cooling airflow to the motor and pump, reducing noise levels to 75 dBA while eliminating multiple fans.

Unloader assembly replaces hydraulic complexity with smart fluid viscosity changes to precisely control compressor suction valve positions.

An integrated flow control valve and priming pump reduces system complexity by switching between direct-flow and bypass orientations.

An elastic suction valve stopper limits reed valve opening, preventing dead volume and fracture while maintaining high cooling power.

A cylinder block for an outer rotor motor distributes mass outwardly to increase rotation inertia and reduce mechanical vibration.

Replacing mechanical contacts with a strain gauge sensing system eliminates arcing and wear, extending switch lifespan in harsh industrial environments.

A hydraulically actuated reciprocating pump uses a multi-chamber fluid system to drive piston motion.

A mortise-tenon air pump uses engaging protrusions and retaining blocks to lock the inflation cylinder assembly within the holding base housing.

Segmented pump cap elements guide and tension tubing loops to prevent tangling and folding during automated loading operations.

Segmenting the seal body from the plunger prevents air entry during retraction, suppressing subsequent fluid dripping.

Centrifugal separation removes sand and dust before compressor entry, maintaining cooling reliability without heavy encasement.

Separates cylinder and rotational support via a frame to maintain precise piston clearance, preventing deformation-induced wear.

Optimized atmosphere open passage geometry in oil-free screw compressors manages ventilation gap pressure dynamics.

Centrifugal oil supply unit pumps lubricant to sliding components via a conical feeder and variable cross-section passage.

A diaphragm pump control device resets the origin position using motor step-out detection to drive the actuator.

Thick adhesive layer between piezoelectric actuator and resonance plate absorbs vibration energy, reducing noise while maintaining compact device profile.

Laterally detachable housing parts replace heavy axial bracing in four-valve high pressure pumps, simplifying valve maintenance access.

A rotating housing fluid pump uses movable elements to drive periodic engagement, reducing system complexity while maintaining reliable tire pressure control.

Diffusion welding joins stacked metal layers to merge the pump and valve mechanisms, eliminating gaskets that complicate assembly.

A spring-biased transparent cover on a submersible pump control housing balances waterproof sealing with easy battery access and heat dissipation.

A discharge vacuum relief valve kit vents pump pressure via a vent tube to restore safety system responsiveness.

Fiberglass-filled PTFE C-rings and ceramic balls extend vibration pump maintenance intervals from one year to five years by resisting alternating motion wear.

A projection on the pump door compresses flexible tubing against a dedicated pressure sensor to maintain consistent contact.

An intermediate body divides a hollow housing into two acoustic chambers connected by a channel, reducing gas leakage risks and manufacturing complexity.

Segmented shield strands ground directly to a conductor member, eliminating separate ground points and reducing circuit substrate volume while lowering noise.

Segmented cylinder bodies and localized gap control prevent gas leakage from high-pressure stages without increasing manufacturing complexity.

A cryopump radiation shield thermally couples to a high-temperature cooling stage to protect low-temperature panels.

Parallel biasing springs with distinct resonance frequencies suppress spring surge, preventing impact fatigue and extending poppet valve lifespan.

Lateral arrangement isolates the heat-generating chamber driver from the liquid passage, preventing thermal degradation of the treating solution.

Plastic deformation of the centrifugal pump aperture plate prevents fine metal powder generation during assembly, ensuring reliable compressor operation.

Angling the terminal pin bore relative to major axial centerlines reduces compressor weight and volume while maintaining manufacturing simplicity.

Polygon-shaped piezo diaphragms reduce dead volume and chip edge distance to maintain compression ratios during pump miniaturization.

Elastic legs on a U-shaped hose cassette deform during insertion to increase pumping capacity and reduce manufacturing complexity.

A linear compressor gasket attenuates discharge valve vibration, reducing axial and radial noise levels by up to 20 percent.

Integrates suction and discharge mufflers with the compressor block to reduce vibration noise from discharge pulsation.

Bolted flange adapters seal drain vents in cast pump housings, eliminating weldment stress fractures and reducing inspection time.

Plunger assembly maintains continuous fluid communication between barrel and supply inlet to equalize pressure.