Positive Displacement Pump Components TRIZ Cases

A common spray pump executes a controlled solvent recirculation and purge sequence to switch between primary fluid sources.

A unibody bypass plunger integrates a hollow body and valve cage to simplify construction.

Segmented pistons combine aluminum skirts and steel crowns to match thermal expansion while maintaining mass balance, reducing vibration.

Press forming with piercing creates the inlet path, eliminating separate cutting steps that increase manufacturing cost.

A suction acoustic filter uses differential pressure to select between two input paths in reciprocating compressors.

Nesting ducts in dead space resolves the trade-off between increasing heat exchange area and maintaining compactness, improving thermodynamic efficiency.

An asymmetric lobed cross-section constrains rotational motion between the sleeve and housing, preventing fluid exposure while maintaining manufacturability.

Sensors monitor wellbore temperature and pressure to dynamically adjust ESP pump speed, preventing cavitation from hot water condensate flashing into vapor.

A positive displacement device feeds metallocene catalyst slurry into polymerization reactors using controlled ball-and-chamber mechanisms.

A high-pressure fluid mixing pump control system uses a transmission threaded rod and resolver sensor to measure piston displacement.

A separate bias force element eliminates thread lash in the dosing unit, reducing friction and energy consumption for precise liquid medicament delivery.

A pneumatic pump silencer uses a precise gap between the attenuating pad and wall to discharge condensation water efficiently.

A downhole positive displacement pump uses a double-acting piston to press fluid out of the outlet.

A wax micro actuator uses a semiconductor element to heat paraffin waxes, preventing thermal runaway while maintaining driving force in infusion pumps.

Annular welds on elastically deformable damping bodies maintain gas pressure tightness, reducing fuel pulsations and preventing low-pressure pump damage.

A piston air stop sheet uses a bending section to lift and open an air conduit for atmospheric communication.

An independent gas compressor unit regulates well annulus pressure via variable piston speed, eliminating mechanical dependency on rod pumps.

Staggered bellows cycles suppress discharge pulsation without increasing installation space or reducing volume.

Segmented tubular elements with nested supports withstand mechanical fatigue from alternating thermal cycles.

Radial expansion of the piston compensates for bore dilation, reducing fuel leakage and maintaining efficient pressurization in high-pressure conditions.

A dedicated discharge channel rapidly depressurizes the control pin chamber, enabling fast swash plate return and improved controllability.

A bi-directional control valve assembly manages pressurized air flow through peristaltic pumping mechanisms to maintain tire inflation levels.

Radial and axial grooves in the high-pressure connector redistribute mechanical stresses on the weld seam, enhancing dynamic strength and minimizing leak risks.

A suction muffler uses a blocking member to select between two inlet openings, enabling adaptable refrigerant flow paths.

A portable air pump integrates a pivotable head seat with an axial member to align the pressure gauge and valve connector.

Piston valve modulation adjusts compressor output by shifting the valve plate position, reducing control complexity and power consumption.

Tungsten flywheel segments with preselected gaps accommodate thermal expansion, preventing hoop stress buildup and maintaining rotational balance stability.

Concentric cylinders eliminate axial offset to prevent bag trauma, while a self-closing valve prevents leakage in inverted orientations.

A magnetic flux guiding member redirects stator leakage back to the motor.

Independent switching valves in a suction pump distributor head prevent air intake and ensure uniform emptying across vessels with varying fill levels.

Heating means integrated into charge air cooler recovery means liquefy condensates, preventing blockages caused by freezing at sub-zero temperatures.

Helical worm screws drive cylindrical gear wheels to rotate gland nuts, ensuring reliable fluid seals while eliminating hazardous manual adjustments.

A hydraulic piston pump uses a hollow rod to manage fluid flow and pressurized force.

A horizontal compressor piston uses a magnetic pillow to reduce friction and weight forces during free lifting strokes.

A compressor system controls air pressure using a piston and intake valve design.

An eccentric drive shaft rider with flat load sections resolves space inefficiency in dual-head fuel pumps while supporting higher bearing loads.

A programmable logic controller shifts a spool valve to manage motive fluid flow, resolving efficiency bottlenecks in piston pump operations.

Segmented rubber elastic elements on the piston seat improve sealing reliability while reducing operating noise and material costs.

A metering pump piston limits its lifting stroke by contacting the inlet portion, eliminating upper stops and complex housing shoulders.

A hydraulic motor uses tangential pistons and planetary gearing to transmit torque within a compact annular structure.

A check valve uses segmented movable elements in independent cages to control fluid flow and reduce back pressure.

A device for extracorporeal blood treatment calculates ultrafiltration volume using pressure and temperature differences across balance chambers.

Suction valve components pass through the discharge seat for direct maintenance access.

An eccentric cam drives a plunger to compress air, reducing sealing element wear and eliminating storage tanks.

A supplemental air pressure device uses a piezoelectric oscillator and bellow to compress air without mechanical pumps.

Separating gas and liquid streams allows a liquid piston compressor to boost gas pressure efficiently, avoiding torque fluctuations from gas interference.

Ion nitriding embeds nitrogen into steel plungers to enhance surface hardness without creating white layers or adherence deficiencies.

Multilayer shell with recessed plates and expansion space resonators reduces vibration noise across frequency bands in high-speed linear compressors.

A linear compressor replaces mechanical springs with a magnetic resonance system using a stator and mover to reduce weight and manufacturing costs.