Positive Displacement Pump Components TRIZ Cases

A vacuum pump protection net uses a recessed mesh section to reduce suction resistance while maintaining structural integrity.

Flexible sealing ring reduces friction losses and leakage flows in hydraulic pumps by acting as an intermediary between moving surfaces.

A three-phase DC cooling fan with optimized impeller blades.

Controller commands windings to generate heat, reducing viscosity for cold startup without bleed air.

A multipiston pump uses phase-offset cams to drive pistons and generate hydraulic pressure for vehicle brake circuits.

Integrating the valve seat into the pump head eliminates external screw caps, reducing fatigue and seal wear.

A vacuum assembly extracts dissolved oxygen from aircraft fuel via a movable piston, while an integrated leakage valve prevents fluid loss.

A lateral connecting device channels cooling liquid from a motor cavity to a pump suction inlet.

An internal suction flow channel within the driving shaft reduces resistance losses and ensures uniform refrigerant distribution across cylinder bores.

A spacer distributes pump weight to reduce control device thickness while maintaining structural strength.

An elastic suspension system isolates the compressor from the base plate, reducing structure-borne noise by detaching rigid mounting paths.

A single bracket supports both bearings and the rotor shaft, eliminating rear bell housing requirements and reducing weight.

A fluid splitter transfers alternating loads from the valve casing to a replaceable component.

A linear compressor uses a refrigerant gas bearing to eliminate mechanical friction between the piston and cylinder.

Isolation valves segment fuel delivery paths to eliminate pressure differentials caused by pulsations, reducing assembly complexity.

A transverse diaphragm pump housing enables membrane replacement via a removable retaining ring, reducing dead volume to improve self-priming.

A regulation mechanism limits the movable distance of a lower washer in a hermetic compressor bearing assembly.

Segmented boost and main plungers prevent flash boiling in cryogenic pumps, reducing cylinder distortion while maintaining high pressure.

Segmented hydraulic piston seating allows quick annular seal replacement, reducing maintenance downtime and labor costs.

An arched, three-dimensional porous aluminum filter ensures uniform porosity and prevents dust invasion while minimizing dead volume in the dust chamber.

Segmented connection body uses metallic support and plastic cover to lower machining scrap while maintaining mechanical strength.

A filter head module integrates a ball valve seat and pump chamber bypass to route fluid flow around the main channel.

A polyester microfiber sleeve filters sediment around sump pump basins, replacing labor-intensive gravel installation with a lightweight geotextile design.

Retrograde spool action inverts conventional hydraulic valve motion to resolve reliability and complexity trade-offs in submersible pump applications.

Axial compression of the ring reduces its axial extent and increases radial extent, preventing fluid leakage.

An electro-fluidic leak detection element senses fluid migration within a piston pump drive assembly to generate leakage signals.

Differentiating combustion engine, air compressor, and jet cleaner motor speeds eliminates resonance in compact integrated housings.

Serial expanders drive a pump and generate load power, reducing waste heat loss in industrial processes.

Variable displacement swash plate compressor design integrates a shaft oil separation passage with a cylinder block bypass passage for continuous lubricant management.

A fluid dispensing rotor and piston mechanism precisely meters syrup and carbonated water volumes through synchronized rotation.

A flexible discharge conduit made of low heat conductivity material connects the linear compressor to the housing outlet.

A peristaltic pump operates within its linear characteristic range to deliver precise micro-amounts of liquid components.

Moving suction and pressure connections to the compression cylinder end face reduces static loads and manufacturing complexity.

Sedimentation trap captures sliding sand in a belly volume, preventing valve blockage and reducing pump wear during stop cycles.

Anti-friction ring allows closure member rotation to distribute wear across sealing surfaces, extending service life.

A bilge pump uses ball valves between two chambers to move fluid during both piston strokes.

Rotating valves adjust Helmholtz resonator volume and inlet area to match varying turbocharger noise frequencies, resolving fixed-spectrum limitations.

A retractable base stores the needle inside the pump body to protect it from damage.

Segmented dual displays resolve the contradiction between large screen area and compact device complexity through nesting.

Segmented valve stem with support ribs enhances structural rigidity, resolving stiffness complexity trade-offs in beauty care pumps.

A spring-loaded J-shaped hook puller bends to pass through a valve seat and expands to engage the component from below.

Segmented engagement dogs distribute torque evenly on packing screws, preventing damage from debris accumulation in confined oilfield pump maintenance.

Replacing metal components with molded plastic reduces construction complexity while maintaining stable performance across extreme temperature ranges.

Annular valve member uses varying guide clearance to prevent jamming while maintaining seal integrity.

Segmented chambers with communicating holes reduce pressure pulsation and suction loss to enhance compressor cooling efficiency.

Variable switch-on duration of the compressor in cold mode reduces energy consumption and wear while protecting vehicle pneumatic components from freezing.

A hydraulic double-acting hand pump uses a reciprocating piston to move fluid through supply grooves and an outlet.

A radial oil feeder uses a side groove and elastic member to support an oil piston.

Auxiliary valve body shifts main changeover valve positions to prevent neutral drift and clattering noise during low-speed operation.