Positive Displacement Pump Components TRIZ Cases

Segmented packing sleeve eliminates high-pressure press-fitting hazards by using a threaded attachment mechanism.

A linear actuator drives a reciprocating pump to adjust fuel ejection volume via variable piston stroke length and speed.

Asymmetric insertion grooves prevent incorrect tube attachment, reducing liquid transport pulsation by matching roller speeds to specific tube geometries.

Integrated rotating shaft channels combine helical and centrifugal pumping to maintain lubrication efficiency from 700 to 4500 rpm.

Replacing radial arms with curved structures reduces drag on the liquid stream, increasing flow rate without compromising structural robustness.

Sand snare filters particulate matter from production fluid within a plunger assembly to maintain clean slippage flow.

A floor pump handle integrates a rotatable switcher and air release valve assembly to toggle between high-volume and high-pressure inflation modes.

A piston assembly uses a flexible valve piece to block and unblock an exhaust channel based on piston movement.

A tube roller pump uses a pivotable rocker arm to automate tubing segment threading and unthreading operations.

A floating separating element eliminates the gap between feed screws and housing, preventing internal return flow that reduces pump efficiency.

A linear compressor uses segmented gas bearing passages to distribute refrigerant for piston support.

A piezoelectric vibrating membrane generates forced airflow through reciprocating motion to cool compact electronic devices.

A resonator chamber separated by a sealing wall reduces noise while preserving thermodynamic performance in hermetic compressors.

Fluid shutoff mechanism decouples breast interface from actuatable assembly to prevent cross-contamination.

Aligning elastic member supports with the compressor main body gravity center eliminates rotation moments that cause vibration transfer to the shell.

A multistage pump manifold body joins two injection molded portions by welding to form a unified duct structure.

A centrifugal piston mechanism automatically pumps air into tires using rotational force without external power.

Nested cylinders and a unified pump head reduce structural complexity while an integrated relief valve enables quick pressure discharge.

A fluid pump piston integrates a closing element actuated by internal pressure to interrupt flow and reduce detrimental volume.

Piezoelectric pumps drive fluid flow using non-magnetic actuators to eliminate projectile risks in magnetic resonance imaging environments.

A tubular separator element conveys compressed gas against inner walls to initiate oil separation before the mixture enters the tank.

Motor recess engages projection to eliminate screws, reducing part count while maintaining reliable automated assembly.

A machined spring couples the inner back iron assembly to the cylinder assembly in a linear compressor.

A hydraulic culvert cleaner integrates a self-contained water pump with an excavator frame to deliver high-pressure jets for debris removal.

Thermal insulation in the exhaust air conduit prevents condensation and freezing on switch-over units.

Segmented base units with universal interfaces enable parallel casting and flexible assembly, reducing waste from faulty casts.

A barrel assembly with separate plunger bore and outlet passage openings minimizes heat transfer to fluid.

Flexible foot extensions on a rigid base dampen compressor vibrations, preventing pump movement during tire inflation.

Segmented chambers isolate lubricant from pumped fluid, preventing mixing and environmental pollution after membrane breakage.

A packing lubrication system supplies controlled fluid flow to hydraulic fracturing pump units using a single reservoir and regulating valves.

An end cover integrates a flow orifice between system ports and the charge pump pressure cavity to enable smooth vehicle motion transitions.

Wedge-shaped level adjusting members position support legs on a base plate to set the horizontal orientation of a rotary machine main body.

A subsurface pump filter plunger separates gas and particulates via a side-wall filter, preventing gas-locking and maintaining volumetric efficiency.

Continuous seating surfaces reduce leakage by eliminating through channels, resolving the trade-off between sealing reliability and manufacturing complexity.

Fluid expansion chamber repositioned between housing and attached wall section reduces internal volume.

A self-lubricating water-cooled piston pump uses direct water flow to cool and lubricate crankcase components.

A piston-driven intensifier incorporates a dedicated cleaning flow path to flush adhered raw material from internal cylinder surfaces.

Flexible thin-walled tube retainer portions unseat under pressure gradients to enable container venting without adding complex valve mechanisms.

A spring-actuated valve sleeve opens a relief port in the piston to lower barrel pressure during the up stroke.

Segmented transfer plate prevents dry-running in gas turbine engines by sealing independent pumping stages.

A valve cover lock assembly uses a cone nut to drive radial segments for secure coupling.

A trapezoidal spectacle plate with multiple aperture positions prevents hopper backflow and hydraulic fluid shock during pump ram switching.

A fuel pump synchronizes plunger and counterweight motion using electromagnetic attraction and spring forces.

A drive device positions the oil pump chamber internally within the case structure.

An eccentric shaft drives a cross-slider mechanism to move the piston vertically within the cylinder.

A peristaltic pump uses a rotatable cap to lock a bypass door for controlled fluid suction.

Air slots disperse airflow to reduce noise, and a buffer spacer prevents blade deformation to maintain gas tightness in air pumps.

Aluminum pistons with surface treatments in a linear compressor prevent magnetic flux leakage and reduce production costs.

Integrated compressor output device merges distribution body and valves to control refrigerant flow directly from the compression head.

Radial slots in the piston guide reduce hydraulic damping to improve response speed while maintaining precise centering of the closing element.