Positive Displacement Pump Components TRIZ Cases

A variable displacement swash plate pump housing uses a recessed protrusion and bulging portion to distribute mechanical stress across the joint interface.

Two sequential springs in a piston chamber cover the valve port during overfill, preventing pressure spikes that damage the diaphragm.

Thinned radial webs in fiber-reinforced plastic valve plates provide targeted flexibility to close gaps caused by thermal expansion and dimensional deviations.

A multi-functional valve seat integrates an oil separator and anti-flip mechanism to manage fuel flow within the pump housing.

An air compressor uses an adjusting bolt to define an auxiliary chamber volume that regulates output pressure without a mechanical safety valve.

Segmented fluid chambers and a check valve maintain reliable suction by automatically expelling trapped air during weight-bearing activities.

Folded end tabs eliminate plug flanges, reducing material consumption and freeing space for perforations.

Die cast casing blank with recessed portion connects to compression space for larger flow path cross-sectional area.

Integrating the wrist pin and crosshead into a single unit reduces pump weight and size while maintaining high pressure pumping capacity.

Dynamic cut-off threshold adjustment prevents compressor overheating and oil burning at high engine speeds while maintaining recharging efficiency.

Merging separate actuators into a single unit reduces device complexity while maintaining precise control of low and high pressure valves.

Inertial microfluidic channels separate particulate matter by size, resolving the trade-off between device volume and measurement accuracy in portable monitors.

A fuel pump manages pressure fluctuations in the interior space by controlling an additional connection to the outlet based on piston stroke movement.

An arc-shaped flange on the valve stop column guides alignment in tight pump clearances, preventing damage during installation.

Inlet manifold mounting plate with slot openings and lead-in chamfers guides fasteners for secure pump assembly.

Widened suction reed legs distribute stress at the base end, preventing fatigue failure while boosting refrigerant flow rates without increasing driving speed.

Segmented compression stages reduce pump size and weight while lowering energy consumption for high-pressure gas delivery.

Horizontal heat dissipating fins align with airflow from a vibrating diaphragm fan, reducing obstruction and noise while a damping bracket absorbs vibrations.

Single plate spring design replaces multiple components to reduce vibration and noise while lowering manufacturing costs.

A tapered clamping assembly removably secures a pump fluid end to an upper bar, enabling rapid installation without complex alignment procedures.

A reciprocating compressor discharge valve plate features an inlet and outlet with different shapes to control refrigerant flow.

Auxiliary O-ring blocks liquid leakage between manifolds, preventing external contamination.

Phase-shifted reciprocating drive rods enable continuous liquid discharge, resolving the contradiction between sustained output and compact device volume.

Segmented piston design reduces flow resistance and enhances suction performance in vehicle brake pumps.

Segmented packing rings shift axially to engage the rod during shutdown, preventing atmospheric leakage while minimizing wear.

A reciprocating compressor connector uses a clamp to stabilize the discharge hose coupling.

Segmented cap and retainer design simplifies annular seal installation in high-power pump cover assemblies.

A discrete exhaust muffler uses a non-metallic shell to reduce heat transfer from the compressor cylinder block.

Electromagnetic induction transforms harmful valve impact energy into usable electricity, reducing mechanical stress and extending compressor lifespan.

A pilot valve coordinates two-position spool valves to sequence power and precompression strokes, preventing pressure dips during simultaneous piston endpoints.

A handheld pressure washer uses a dual battery pack configuration to deliver higher power output and improved cleaning performance.

A moveable peristaltic pump head translates relative to a fixed backing plate to simplify surgical tubing insertion.

A fluid pump features a movable base and locking element that adjusts the inlet area for clean or dirty fluid modes.

Replacing metal mufflers with plastic materials minimizes heat losses while maintaining noise reduction through segmented acoustic designs.

A check valve protection device integrates an oil barrier chamber to maintain a fluid seal against natural gas contamination.

Overlapping bearing element regions in a refrigerant compressor spring mount reduce transverse deflections and prevent dislodgment during operation.

Multiple exit holes and blocking walls segment airflow to prevent backforce interference, ensuring smooth piston reciprocation and reducing motor stress.

Segmented chambers eliminate dead space to improve efficiency while webs maintain structural stability against high-speed loads.

Air gaps between an insulator plate and pump ends resist heat transfer while using stainless steel for mechanical strength.

An eccentric shaft drives a swing arm in a single-arm micro air-pressure pump, enabling miniaturization for wearable health devices.

Bearing element aligns drive shaft axially between housing recess and pump housing, reducing drive power required under heavy mechanical loads.

A piezoelectric pump uses a multi-layer element to generate large central displacement with reduced thickness.

Elastic sealing bead on valve closing body forms fluid-tight seal with seat, reducing leakage and production costs in hydraulic piston pumps.

A sealed housing with an exterior flow channel directs cooling air over arcuate heat sink fins to dissipate thermal energy from power electronics.

Multi-layer coating on reciprocating pump components reveals wear stages via color changes, enabling timely maintenance scheduling.

A magnetic piston actuator with a compression spring expands the fluid chamber to accommodate volume changes.

Collector and helical grooves intercept downward-running lubricant to prevent contamination of the working fluid when the cylinder is inverted.

Segmented blade outlets and telescopic shaft enable continuous water discharge, preventing accumulation in handle corners.