Positive Displacement Pump Components TRIZ Cases

A circulation bypass arrangement uses a union nut and lock nut to connect components, enabling efficient disassembly of the pump unit.

An axle and bushing device adjusts hydraulic fluid volume instantly to prevent diaphragm wear and vibrations in high-speed pumping.

Eccentric drive transmission replaces mechanical check valves to eliminate wear and ensure consistent flow in high-precision dosage applications.

A screw drive mechanism converts electric motor rotation into linear motion for fluid displacement members.

A compressor cover port uses an inclined inner surface orthogonal to abutment surfaces.

Elastic bearings suspend the pump assembly to isolate vibration, resolving the conflict between effective noise reduction and required heat dissipation.

Metallic sealing rings with coiled felt seals maintain piston concentricity in axial piston pumps.

Motor-driven pinion gear meshes with a rack gear to roll the upper base horizontally along a fixed lower base.

Vertical bleed valve positions a gravity ball to seal fluid channels, eliminating metallic springs and corrosive chemical incompatibility.

Separating the tubular cylinder from the block reduces weight while Teflon seals prevent leakage.

Integrating discharge check and pressure relief valves into one fitting reduces system costs and simplifies pre-testing.

A fan protection structure uses a protruded portion to scrape off accumulated salt grains from the hub and base.

Composite piston rods reduce reciprocating compressor mass, lowering dynamic stresses and specific pressure on sliding shoes without increasing axial length.

A rocking piston compressor uses a cylinder segment design to maximize contact surface area for effective sealing.

Spring-loaded compensators equalize hydrostatic pressure differentials, protecting subsea pump components from extreme depth stresses.

A hydraulic piston lifts a threaded ring to release screw gland pressure, eliminating sledge hammer hazards and frequent maintenance.

Segmented noise attenuating cover with sliding access door resolves maintenance trade-off by allowing partial removal while maintaining acoustic enclosure.

Offsetting cylinders and using a dual-end follower reduces friction loss between the cam and follower, maintaining compact device size while increasing output.

Truncated circular bores in a reciprocating pump resolve the trade-off between high pressure ratings and manufacturing complexity.

A spring-loaded J-hook puller system engages valve seats from below for direct axial extraction using hydraulic force.

Segmented closing body compensates for manufacturing tolerances while maintaining long-term tightness through radial clearance and controlled damping.

A spring cup with a calotte-shaped internal contour guides valve springs to reduce end wear.

Elastic U-shaped chassis panels retain fans without screws, reducing component count and assembly complexity.

A plastic sleeve connects a refrigerant pressure pipe to a metal connection pipe, maintaining axial position and continuous flow.

Arcuate crosshead guide sections constrain movement within a unified structural support system to reduce mechanical fatigue under high-pressure loads.

Rotating and axial magnets drive fluid compression in a valve-less design, overcoming the pressure head limits of conventional micro-scale diaphragm pumps.

Merges inflation and deflation mechanisms into a single detachable device to eliminate separate tools and reduce time loss during air management.

A compression pump uses a slide support structure to hold the bladder during operation.

A deconstructable microfluidic mixing chip integrates with a wireless network of smart syringe pumps for precise fluid flow management.

Diaphragm seal element equalizes flow rates at inner and outer annular seal seats to maintain uniform pressure conditions during fuel intake.

An insulation tube isolates refrigerant fluid from the inlet tube within a hermetic compressor casing.

Compression staking projections deform the bearing housing to secure the heat shield, preventing lubricant escape and accommodating thermal growth.

Integrating the high-pressure seal into the inlet valve cap eliminates assembly belts and pressure bonds, simplifying the installation process.

Composite layer with phenolic resin and ceramic insulation reduces heat flow through piston crowns without delamination risks.

Extracting the exhaust silencer from the cylinder head reduces heat transfer loss without increasing compressor volume.

Coupling a fuel pump to intank and primary filters increases assembly mass to shift harmonic vibration frequencies.

Internal fork-shaped channels in a compressor connection rod deliver lubricant to the piston while reducing noise from high-speed impact on the upper casing.

A flexible hose manifold accommodates reciprocating pump motion, reducing stress on connections and extending component lifetime.

A composite valve seat integrates a ceramic insert within a metal body and a protective bore liner to resist erosion.

Direction-dependent friction on the closing body delays dynamic choke closure, increasing maximum flow rate while maintaining NVH performance.

A solenoid pump movable member segments inlet and outlet passages to prevent fluid exposure and leakage.

Axially spaced resonator absorbs specific frequency noise, reducing compressor axial length and manufacturing cost.

Reciprocating compressor relief valves switch between operating and idle positions to manage pressure conditions.

Relocating the pressure gauge to the handgrip eliminates bending by aligning the display with the user's line of sight.

A portable pump pressure regulator uses a spring-loaded piston to vent excess air when target pressure is reached.

Nested spring and guide part design increases flow cross-section, reducing pressure loss and wear in piston compressor poppet valves.

Segmented strainer side portions engage clips to prevent slippage, resolving assembly difficulties caused by the small size of electromagnetic pump components.

Planar spring assemblies support the inner back iron assembly to maintain a uniform air gap between the magnet and driving coil.

Segmented ball valves and a helical insert resolve gas lock by separating trapped gases from pumped fluid.

Integrates a high-hardness valve seat forming member into the control valve body to prevent mechanical wear.