Specific Fluid Pumps TRIZ Cases

Integrates a sandwich abradable system into composite fan casings to absorb impact energy, reducing casing weight and fabrication complexity.

Laser welding preloads centrifugal pump bearings to maintain bearing separation distance and prevent shaft oscillation under blood pressure.

A separation chamber captures solid particles from wastewater before they reach the pump, preventing blockages and wear.

Polymeric slug separators with fluid-flowing recesses resolve thermal contraction stress and lubrication gaps in cryogenic ball bearings.

Radial volute channels shed solids from impeller vanes, preventing accumulation and seal damage.

A supervision system monitors hydraulic and electrical parameters to detect anomalies in pumping equipment.

Housing an electric motor inside a pressure vessel to compress acid gas using the fluid as a coolant.

Integrated bypass circuit diverts fluid flow around the pump during startup to protect mechanical seals and reduce abnormal wear.

Segmenting the impeller into a graphite body and silicon carbide cap combats refractory particle degradation while optimizing fluid flow efficiency.

A centrifugal pump integrates a rear ventilation line to extract entrained gas from the chamber.

A gasification pump applies a wear-resistant coating to its interior feedstock-facing surface, extending working life against solid carbonaceous abrasion.

Thin-walled stainless steel heat barriers thermally decouple the mixing section from the drive unit, preventing bearing damage at 400°C.

A compact cooling and degassing system circulates heat transfer fluid through a mechanical seal chamber and an external cooler to manage thermal loads.

Variable speed drives adjust pump operation for specific fluid batches, lowering mechanical stress and maintenance needs during pipeline transitions.

A centrifugal pump uses co-acting spiral shapes on the cup-shaped part and cover part to enable quick rotational assembly.

Upstream bypass pump supplies auxiliary pipes regardless of valve state, eliminating warm-up time and maintaining operating stability.

Axial, mixed-flow, and centrifugal stages handle varying gas volume fractions, reducing stage count and weight while maintaining discharge pressure.

A bearing cartridge couples to a pedestal at or above the centerline to reduce overall height.

A pump pre-chopper uses a non-circular intake port to concentrate fluid flow and induce rotation of metal chipping clews.

Dual-sided impellers expel trapped gases through separate intakes, reducing cavitation wear and extending pump longevity in thick fluid applications.

Axially extending annular sealing clearance redirects slurry flow into a horizontal static labyrinth seal between impeller and inlet liner surfaces.

Clear fluid pressurization separates pump mechanics from abrasive slurry, reducing component wear and downtime.

An elastic device absorbs pressure surges in liquefied gas pumps, preventing lower bearing damage during reverse operation.

A stability valve assembly uses a stepped valve member to control fluid flow from a centrifugal pump.

Segmented filtration modules handle radioactive waste and corrosion products, reducing worker radiation exposure during maintenance.

A vapor pump uses a conductive plastic pumping wheel and grounded bearing arrangement to move fuel vapor safely.

A molten metal pump assembly uses a bypass gap between bearings to manipulate fluid flow rate and head pressure.

Removing the bottom wall of the discharge region prevents magnesium chloride buildup, maintaining continuous operation and higher injection rates.

Curved bottom end directs ejected flow into uplifting axial vortex, eliminating narrow riser tubes that clog from accumulated metal droplets.

A conveying device uses a rotating suction wheel to move non-homogeneous liquids through a macerating device into a main chamber.

Segmented outlet openings on the rotary pump housing distribute fluid streams to eliminate stable vortices and ensure thorough mixing.

Automatic valve at the vent opening prevents air ingress during high flow rates, maintaining hydraulic efficiency and quiet operation.

A screw pump assembly uses a radial gap between opposite-handed stator and rotor vanes to move fluid longitudinally.

Parallel cutters shear solids radially to eliminate axial shaft loading, simplifying maintenance without upstream filters.

Serrated rotary cutter generates outward axial flow to prevent large fibrous objects from smothering the pump suction inlet.

Integrating a helical pump into the rotating shaft merges cooling and bearing functions, reducing system complexity.

A tapered thread configuration couples pump impellers directly to power transmission shafts, transmitting torque through converging geometric surfaces.

Segmented impeller blades with tighter intra-bundle and wider inter-bundle spacing resolve the trade-off between ball passage and pumping efficiency.

Fixed reference pressure sensor calibrates liquid level detection to prevent dry running and seal damage in drainage pumps.

Thicker inducer blades and a nested impeller arrangement reduce cavitation and power draw while accommodating large solids in viscous slurries.

An integrated composite lattice replaces aluminum honeycomb in fan cases, resolving the trade-off between weight reduction and residual stiffness.

A centrifugal pump uses a rotating cutter bar against radial and axial rings to shred solids.

Hydraulic balance piston counters axial thrust to eliminate mechanical contact and reduce equipment failure rates.