Positive Displacement Pump Components TRIZ Cases

Electrowetting microfluidic pumps isolate payload fluids from degrading electrodes using immiscible barriers, extending operational lifetime.

Tubular inserts with low thermal conductivity materials isolate refrigerant gas from the piston skirt to reduce heat transfer.

A pressure transducer generates electrical signals from mechanical leakage to enable predictive maintenance and reduce regulatory risks.

Axial plunger movement transfers seals into the stuffing box, resolving tedious manual installation that damages delicate components.

Thicker resin film at the chamfer prevents substrate exposure and seizure under strong shoe pressure.

Parallel-leg baffles with apertures reduce pressure fluctuations and turbulence near reed valves, extending valve lifespan by 40 times.

A hydraulic unit shroud wall section covers the oil cooler header, blocking direct fan suction that reduces motor airflow volume and cooling efficiency.

An automatic depressurizing pump integrates a pressure chamber and resilient member to manage airflow without solenoid valves.

An integrated motor and pump unit drives fluid directly without intermediate valves.

A reciprocating pump bathes its drive unit in the working liquid to provide lubrication and cooling without separate oil systems.

A magnetic drive metering pump uses a positional sensor and control circuit to adjust magnetizing coil current for precise diaphragm motion.

A liquid supply mechanism uses a plunger and damping member to inject cooling fluid into the system.

Autofrettage forces electroless coating into damaged nitrided surfaces, avoiding nitrogen out-gassing and preserving 60-70 HRC hardness.

An axial clamping spring secures the drive shaft bearing through the intermediate plate, eliminating retaining rings and reducing manufacturing complexity.

A variable volume clearance pocket adjusts compressor capacity through a clearancing piston driven by a threaded stem and pressure-actuated jam nut.

A variable speed compressor uses a damped bracket between the kit group and lower casing to isolate mechanical vibrations.

A pulsatile rotary ventricular pump generates physiological flow profiles through periodic roller compression of a flexible conduit.

An external ring nut secures the cap, eliminating complex internal threading and reducing wear.

A pump inlet manifold uses a nitrogen-filled foamed rubber liner to stabilize fluid velocities and centralize solids within the flow stream.

A cylinder uses multiple exit holes sealed by plugs and springs to increase compressed air flow rate.

A self-aligning power screw with a spherical interface compensates for misalignment in syringe pump assemblies, simplifying manufacturing tolerances.

Integral axial discharge valve body reduces manufacturing complexity and internal stresses by eliminating radial connections and welding steps.

Multi-part valve assembly joins components via friction welding, eliminating costly carburization and reducing manufacturing expenses.

Optimized solvent ratios balance application ease with uniformity, ensuring reliable adhesion and seizure resistance in CO2 refrigerant environments.

An elastic steel member absorbs mid-to-high frequency noise in a linear compressor, reducing transmission without increasing structural complexity.

Hanging brackets suspend intercoolers from a cantilevered base, allowing free thermal expansion and reducing structural complexity.

A pump barrel and plunger utilize tribological coatings to minimize friction and wear in high-pressure mechanisms.

A pre-assembled concrete pump drive unit integrates hydraulic cylinders and a valve block into a single rigid structure.

Rotor branch oil feed hole directs lubricating oil through a backward-positioned foreign matter separating portion.

Offsetting crankshafts improves accessibility and reduces space requirements for multi-cylinder pumps.

Tubular conduits accelerate refrigerant gas flow to minimize thermal exchange and power loss caused by turbulent discharge.

Spherical piston interfaces merge sealing and retention functions, reducing assembly time by 20-35% while maintaining stable sealed contact.

Segmented components and an integrated dampener resolve the trade-off between portability and flow stability in remote pumping applications.

Segmenting the rod assembly allows cap removal without disturbing valve alignment, reducing repair complexity and noise.

An asymmetric bottom cap prevents filter rotation, keeping the radial seal static and eliminating wear from compressor vibrations.

Segmented housing with nested foam reduces acoustic energy from NPWT pumps without increasing device volume.

Merges the storage tank into the crankcase structure to increase air volume without adding external weight or bulk.

Segmented suction packing seal assembly resists high pressure and fluid flushing to extend valve housing service life.

Tubular exhaust valve elements connect to a central rib within ring-shaped recesses to attenuate operating sounds inside the pump.

Cut-outs and protrusions on the stopper minimize oil adhesion, preventing gas recirculation into the cylinder.

An insert forms a λ/4 resonator within the pipe bend to cancel sound pressures and protect downstream components from damage.

Hollow plunger pumps route fluid through integrated ports to eliminate cross-bore stress concentrations and extend fatigue life.

A compressor shoe design uses rounded recess connections to maintain a stable oil film between the sliding face and swash plate.

A discharge valve uses a spherical open-and-close member to create line contact with the inlet for reliable sealing.

Soft-machining the cylinder head base allows variable outlet directions, eliminating extra components and reducing machining effort.

Segmented support guides create multi-dimensional flow paths that boost discharge capacity without adding structural complexity.

An asymmetric piston tilt angle maintains perpendicular alignment with the cylinder wall, increasing compression effectiveness.

Ridge-based sealing separates load paths to eliminate piston buckling and lower manufacturing costs.

An air compressor uses an air-pressure-operated release valve and solenoid three-way valve to control pressure.