Positive Displacement Pump Components TRIZ Cases

Integrated motor-pump housing channels leakage fluid through the shaft to lubricate bearings.

A double disc pump uses a rotatable frame to reposition the assembly for easier maintenance access.

A pumping device uses a switching valve to manage fluid flow between the barrel and top cover for secure operation.

An electromagnet drives a reciprocating armature and elastic bellows to maintain gas pressure at rest while delivering liquid mixtures.

Radial channels in a plastic high-pressure pump housing dissipate frictional heat from the bushing while maintaining low manufacturing costs.

A fluid transportation device uses multiple double-chamber actuating structures to manage fluid flow through symmetrically arranged valve membranes.

Segmented threaded sleeve with radial projections aligns the cover part, resolving sealing reliability issues.

A vault housing a liquid handling system uses a quick connect mechanism to join internal and external plumbing lines, eliminating complex confined space entry.

Threaded bolts extend through the cylinder block and screw into a common mating thread element to secure the assembly.

Radial flux guide element between pump spring and piston guide concentrates magnetic force, reducing coil size while maintaining pumping efficiency.

A tire repair system uses a lift component and controller to manage compressed air discharge for automated inflation.

Merges outlet closing and pressure relief valves into one coaxial unit to reduce manufacturing complexity while maintaining precise flow dynamics.

Segmenting the exhaust into separate ducts reduces air flow resistance while controlling noise to improve pump efficiency.

Ball guides restrict valve ball movement to linear paths, preventing wear from multi-axis contact and enabling in-place maintenance access.

Machined single-piece holder aligns pump cylinder with engine block holes, reducing side forces that cause plunger biting and wear.

A purge gas contaminant elimination device separates fluid components from compressed air using evaporation and emulsion breaking.

Sloped kidney port surfaces in a hydrostatic pump barrel leverage pressure differentials to maintain filling capacity at high speeds, preventing cavitation.

Pin-like protrusions on the curved housing engage apertures in a terminal guard, eliminating flat surface machining and ensuring reliable sealing alignment.

An integrated safety valve arrangement in a microfluidic pump prevents backward and forward free flow, reducing leakage to 0.1 μl/hour.

A multistage compressor cooling unit adjusts fan speed based on temperature sensor feedback to maintain optimal gas temperatures between compression stages.

Merging the hydraulic and motor chambers eliminates bearing plates, allowing water flow to clean the rotor and prevent corrosion damage.

Segmented pump heads merge discharge phases to eliminate flow discontinuity and reduce membrane stress without adding storage volume.

A hydrostatic retarder pump and motor transfers hydraulic fluid between accumulators to create variable resistance.

A pressure-pump cartridge uses a tapered guide surface to maintain a sealing fit between the piston and the cylinder chamber.

A tilting roller tappet body aligns a cam roller with an engine cam lobe to maintain contact area.

Orthogonal elongated ports in the pump sleeve bore regulate fluid entry timing, resolving manufacturing precision trade-offs for consistent urea dosing.

Recuperator cools production fluid upstream to condense gas, reducing volume fraction and preventing subsea multiphase pump damage from high gas slugs.

Flush inlet and outlet openings create a single resonator cavity that minimizes pulsation amplification between the pump and silencer.

Screen filter assembly separates solid impurities using nested cylindrical housings, preventing debris damage to pump components.

A cylinder head assembly with a non-coaxial annular boss forms an integrated exhaust passage to reduce structural parts.

A tubular piston design with a central guide compresses cryogenic fluid within the chamber volume.

A combined backup ring with deformable and non-deformable resin layers absorbs plunger seal deformation to reduce friction under high pressure.

Segmented locking elements prevent co-rotation with the worm gear while accommodating installation misalignment.

A pump cooling system uses a heat pipe to transfer thermal energy from the housing to a sink.

A piston pump seal member extends beyond the piston stroke to maintain fluid tightness between chambers.

A vacuum pump cooling jacket exposes a water pipe to electrical components for direct heat transfer.

Integrated discharge tube ferrule merges with vibration eliminator to eliminate refrigerant leakage at coupling points.

Replacing rigid pipes with flexible capillary tubes isolates pump vibrations and simplifies installation by using tube geometry to control flow rates.

Segmenting the flowline with a piston isolates the pumping section, allowing local pressure reduction to stop hydrate plugs without treating the entire system.

A shoe cavity delivers fuel to the roller interface, maintaining a hydrodynamic film that prevents seizing and minimizes cam wear.

A fluid power pack submerges the electric motor in liquid to cool it directly.

Sliding insertion of a control card case into a compressor cooling plate channel prevents electrical short circuits while ensuring effective heat dissipation.

A rubber layer overlaid on a rolling diaphragm thin film portion suppresses wrinkles through elastic restoring force.

A gradient pump head integrates a mixing chamber extension to increase delay volume and mix fluids effectively.

A pump housing uses its unmachined outer surface as a reference for motor mounting.

A segmented piston pump uses independent outer and inner pistons to manage brake fluid discharge through elastic return springs.

Merging the valve element into the pump head eliminates separate sealing interfaces, reducing leakage risks and manufacturing costs.

Segmented piston rod design with integrated fluid inlet reduces flow resistance, enabling rapid pressure build-up and lowering manufacturing costs.

Elastoplastic elliptical columns replace metal springs in hand pumps, eliminating complex recycling steps and improving environmental protection.

A modular motor pump unit integrates a heat exchanger within an additional housing to cool hydraulic fluid before reservoir return.