Positive Displacement Pump Components TRIZ Cases

A piezoelectric blower uses a vibrating plate to drive opposing volume changes in two coupled chambers for higher discharge flow.

Asymmetric support members abut the cover and pump body to secure diaphragms, preventing stress on welded portions while reducing fluid resistance.

Metal terminals inserted into substrate through-holes and secured by resin linking members prevent contact failure from springback or gel invasion.

Prongs lift the ball to open the standing valve, reducing wear on the interior by minimizing excessive movement during drainage operations.

Segmenting the pump chamber with sealing rings prevents fluid leakage and reduces net flow rate losses caused by costly actuators.

A synthetically commutated hydraulic pump selects multiple valve actuation strategies to optimize fluid flow output characteristics.

Magnetic latching holds the inlet valve open during pumping strokes, enabling precise fuel metering without complex external systems.

An integrated damper assembly eliminates component omission errors by merging holding members into the pump housing structure.

Segmenting the piston into an extruded skirt and molded head reduces material waste and manufacturing costs while maintaining structural integrity.

A linear compressor frame uses a deformation prevention portion to support the cylinder and reduce fastening deformations.

A pumping system uses alternating guillotine valves to manage fluid distribution cycles and maintain high delivery pressure.

Asymmetric screw positions on a hydraulic machine connection plate prevent incorrect mounting, ensuring secure alignment with symmetric centering pins.

Ramped surfaces convert gravitational weight into sealing pressure, eliminating debris accumulation and corrosion in sewage lift station guide rails.

Nested secondary pistons within primary stages balance inertia loads, reducing noise and vibration in compact vacuum pumps.

A rigid polymer primer pump with a continuously molded fuel path delivers precise fuel strokes.

Axial parallel rotary protection grooves in hydraulic blocks fix external force pistons, eliminating separate pins and reducing device complexity.

Magnetic field actuates traveling valve assembly to displace fluid, eliminating surface stuffing boxes and reducing frictional losses.

Automated ball end milling creates radiused transitions at intersecting bores to reduce stress concentrations and improve fatigue life.

Alternating terminal and capacitor placement reduces sensor volume, minimizing electric pump size increase while simplifying assembly.

Rotating an eccentric bushing changes aperture spacing to calibrate fixed displacement pumps within ±1% accuracy.

A precompression pump assembly method uses inverted insertion to orient sealing lips and prevent damage during component integration.

A synthetic clutch bobbin with alternating ridges and grooves improves engagement.

Segmented mount plates with spaced couplers allow reciprocation bore access without full disassembly, reducing maintenance downtime.

Separate lubricating medium decouples oil from fuel, enhancing robustness against poor lubricity while reducing production costs.

An integrated auxiliary air chamber buffers compressed air at top dead center, preventing safety pressure exceedance and ensuring smoother piston strokes.

An electromagnetic motor drives a traveling plug in a downhole linear pump, reducing surface footprint and rod wear.

A tubular projection on the cylinder top wall creates a secondary pressure chamber to buffer piston motion.

A shaft-driven changeover mechanism actuates a pivotable arm to slide a valve closure component across ports.

A pressure transducer converts cylinder fluctuations into an asynchronous waveform for computing device analysis to determine piston top-dead-center position.

Actuators pivot a support base to reorient heavy pump frames, resolving assembly difficulties caused by large component weight.

A portable air compressor integrates elastomeric mounts to isolate vibration from the frame while providing dual outlet ports for simultaneous tool operation.

A pneumatic dosing device directs fluid through spaced inflow and backflow orifices using a 3-way valve, preventing deposits from incomplete flushing.

Horizontal connector arrangement reduces compressor external diameter while nut fixation prevents power disconnection from vibration.

A tube bracket biases a flexible conduit against a roller assembly to simplify engagement.

A push arm transfers force from an inlet valve to an outlet valve, eliminating deep finger insertion during deflation.

A bypass line routes compressed gas around a frozen cooling coil, preventing system blockage and maintaining brake functionality.

A hollow cylinder piston element with through-openings dynamically adjusts chamber volumes to dampen pressure pulsations in refrigerant compressors.

Valves route high-pressure supply gas directly to appropriate compression stages, eliminating external regulators and energy loss from pressure reduction.

Dynamic oil cooling prevents condensation while reducing mechanical stress and oil degradation.

Nested concentric coil and piston structures reduce axial device thickness while maintaining precise medication delivery volume.

A downhole pump controller uses sensors and machine learning models to estimate fluid conditions and adjust stroke parameters in real time.

Slips a magnetizable anchor onto a plastic piston element to reduce manufacturing complexity while maintaining connection reliability.

A decoupled armature moves independently from the valve member to accommodate manufacturing tolerances and reduce rail pressure control delay.

Segmenting the cylinder into a main body and a valve recess cover allows machining of a rounded portion that reduces oil stiction and power loss.

Ferrite magnets and aluminum components reduce leakage and cost while shielding absorbs impact forces.

Elastic springs guide the motor rotor, eliminating slide bearings and lubrication to reduce friction and noise.

Grooves at bore intersections redistribute load and cut stress by 20% without compromising flow dynamics.

Segmented ports minimize ball movement and wear during drainage, resolving the trade-off between fluid versatility and component reliability.

A fluid infusion pump uses rotor stator contact sensing to monitor angular position and operating conditions.