Positive Displacement Pump Components TRIZ Cases

A compressor lubrication apparatus uses an expansion valve to measure temperature differences for rapid oil level verification.

Relocating the drive section radially reduces axial length, eliminating discharge pulsation for precise positioning near discharge guns.

Axial spring arrangement in a fuel valve device minimizes radial housing size while stabilizing injection pressure and reducing vibration.

A centerless rim peristaltic pump uses friction-driven roller guides to rotate the rim and compress tubing for fluid handling.

Interchangeable pressure drop tubes in a dampener manage varying piston sizes, reducing wear on reciprocating pump components.

Sound-insulating housing isolates the air pump from living spaces to reduce operational noise.

Intake valve adjusts air flow to maintain reduced pressure levels during no-load operation.

Integrated heat dissipation channels in the pneumatic cylinder direct external gas flow to remove operational heat without adding manufacturing cost.

Radiused ports in a plenum suction manifold eliminate turbulence and friction, ensuring complete plunger bore filling while reducing valve impact loads.

Segmenting the driver between the control piston and closure device resolves the contradiction between reliable actuation and ease of repair.

A rapid-discharge valve structural body adjusts its communication passage area to match gas flow rates.

Geometric pressing surface generates inhomogeneous compression along the sealing region to prevent leaks under varying fluid conveyance loads.

A fuel overflow valve uses a folded metal sheet cylindrical wall to regulate flow and ensure sealing.

A check joint structure with a fitting sleeve and valve bolt assembly controls fluid flow between an air compressor hose and tire nozzle.

A pump access cover retainer uses a magnet to hold a keyed component against the cover proximal end, preventing rotation of the assembly.

A hydraulic brake assembly throttle element rests on integrated supports to provide precise fluid flow control.

A communicating pass in the cylinder delivers pressurized fuel to the plunger gap, maintaining lubricity and preventing buckling at high speeds.

Piezoelectric fluid pump actuator performs bending vibration to generate high pressure and large flow rates in a compact form.

A non-circular lock sleeve prevents unloader rotation without degrading compressor flow conditions.

Replacing metal with plastic reduces heat transfer from refrigerant while the coupling member enables welding-free assembly of the compressor.

Segmented tube fitting with threaded shank and abutment shoulder reduces assembly force while ensuring precise tube alignment within the pumphead housing.

A sliding sleeve pressure escape system vents gas from submersible pump stages to maintain continuous fluid flow.

Dynamic cooling fan control maintains optimal lubrication oil and intake air temperatures despite varying atmospheric conditions.

Parallel arc-shaped heating resistors at pump inlet and outlet maintain gas temperature via thermal diffusion.

A single fan cooling system adjusts rotation speed using multiple temperature detectors to optimize thermal management across compression apparatus components.

An air baffle device aligns secondary cooling airflow with the main flow in an axial-flow fan wheel.

A vehicle pump control valve vents gas during startup to minimize vibration and noise.

A fluid supply device vents the pump via a valve arrangement to prevent freezing damage and reduce manufacturing costs.

A dedicated lubricating device routes oil through drive shaft channels to the driving joint using centrifugal force.

A dual-chamber pumping head distributes fluid pressure across forward and return strokes to reduce peak drive torque.

A hydraulic floating-piston motor pump uses magnetic bearings and absorption elements to control piston movement.

External assistant tubes split airflow into continuous and reflux branches, doubling speed reduction to lower noise while simplifying structure.

Tapered intake valve surfaces guide balls for precise seating, eliminating hydraulic leakage caused by poor positioning in compact electromagnetic pumps.

Nested elastic cylinders with radially facing spacers reduce vibration transmission while enhancing durability at attachment points.

An air duct diverts oil-laden gas from the pressure chamber into the suction chamber, preventing excessive pressure buildup and protecting turbochargers.

Conical sealing surfaces in the reversing valve enable reliable operation with low-viscosity fluids, eliminating complex surface treatment requirements.

Movable sleeves apply adjustable preload to packing, extending component lifespan under high pressure.

Automated optical sensors detect compressor oil levels and relay verified signals, preventing damage from insufficient lubrication.

Negative pressure through a hydrophobic membrane extracts air from infusion lines, preventing embolism and reducing false alarms.

A pneumatic fluid transfer system moves gas between locations using a compressed air drive chamber.

Integrated heaters reduce fluid viscosity to 40-80°C, enabling efficient pumping of high-viscosity fluids while minimizing waste.

A pump porting system accumulates fluid in a trap and reservoir to maintain cooling during operation.

Convex and concave arc portions in the elastic deformation portion maintain proportional pressure-discharge relationships, ensuring constant precision.

A resonant gas circulation device harnesses pressure pulsations to enhance volumetric efficiency in reciprocating compressors.

A Venturi device integrates porous sound attenuating materials to absorb turbulence noise without restricting fluid flow.

A pump suction pipe bent portion uses a monotonic curvature gradient to guide fluid flow and suppress secondary currents.

Magnetic attraction overcomes lubricant adhesion on the exhaust valve, reducing response time and improving compressor efficiency.

Segmented exit holes in the cylinder allow rapid air discharge, preventing back pressure that causes motor overheating and inefficient piston movement.