Positive Displacement Pump Components TRIZ Cases

Segmenting the reusable magnetic drive from disposable pump heads resolves the trade-off between flow accuracy and manufacturing cost in precision metering.

Stabilizing element applies axial compressive or tensile forces to a miniature pump motor shaft, eliminating axial play and reducing operational noise.

Segmenting the fluid end into a high-strength housing and a lower-cost discharge manifold resolves fatigue resistance versus manufacturing cost trade-offs.

A vent port positioned above the oil level releases trapped gases from a hermetic compressor shell, resolving sealing reliability versus gas removal challenges.

Replacing degradable resin with a replaceable flexible conduit tube prevents air leakage under deep water pressure.

Flexible hoses interconnect hydraulic fracturing components, absorbing vibrations and accommodating uneven terrain while reducing setup time.

Rotating conical cages align ports to vary orifice size, resolving the trade-off between pressure drop and pulsation control in reciprocating compressors.

A guide pipe inserts into a communication groove within the cover housing to maintain discharge space airtightness.

A vacuum sealing valve integrates a punching member to pierce container lids for air evacuation.

A hermetic compressor piston projection with a flat surface guides refrigerant gas flow directly to the discharge port.

A reciprocating compressor adjusts capacity via a movable second cylinder, resolving energy efficiency versus structural complexity trade-offs.

Segmented end stops with nested damping structures absorb sudden movements and isolate the compression unit from environmental noise.

A mechanical fuse with a strain-responsive coating on the piston rod detects overload conditions during routine maintenance.

A motor oil pump assembly uses an inner sound insulation enclosure to reduce operating noise levels.

Concentric absorber elements attenuate pulsations across a wide spectrum, resolving the contradiction between compact size and effective acoustic damping.

A high-pressure gas compressor uses a pressure compensation chamber to offset piston forces.

A double-acting piston compressor uses a connecting line to transfer gas between chambers for efficient compression.

Radial contact ball bearings eliminate pre-load resistance from elastic rings, extending bearing lifespan.

Rotating a symmetrical valve assembly 180 degrees swaps inlet and outlet positions, distributing uneven wear to extend service life by 50%.

A piston and cylinder lubrication system dynamically transfers fluid to a thrust bearing during downward movement.

Flexible elastomeric lips conform to valve seats to reduce dead volume and prevent leaks in internal combustion engine metering systems.

A reciprocating piston pump uses an elastomeric sleeve to isolate torsional stress from the motor coupler.

A non-circular closure element secures within a pump fluid end segment without threading.

A vertical assembly device uses guide members and shoes to align pistons on a swash plate without requiring center holes.

A hose reel pump integrates a swiveling locking element to axially and rotationally secure the rotor onto the drive shaft.

Radial cooling fins on scroll compressor end plates increase heat dissipation surface area without extending axial length.

A piston assembly cap includes an insertion portion received in the cylinder to mount seals directly against the moving piston.

A Stirling engine drives a reciprocating compressor crankshaft using waste heat energy for mechanical power generation.

A compressor unit design exposes the electric motor while shielding the compressor to reduce noise propagation.

Segmenting the poppet valve into independent closing elements reduces friction and wear while lowering flow resistance.

Threaded bracing prevents sealing ring damage during assembly, enabling reliable valve replacement without replacing the entire pump.

Micro dimples and oil-repellent coatings on a diesel pump piston prevent jamming and seal damage from oil infiltration.

Inclined guide member redirects fluid flow to suppress swirl generation and noise in centrifugal compressor cooling systems.

Orthoplanar inlet and outlet valves enable passive fluid control, reducing device complexity and leakage risks in membrane micropumps.

A pump motor suspension uses elastomeric limbs to isolate vibrations and noise from the housing.

Parallel brackets press segmented housing parts together to withstand high-pressure surges and prevent deformation in pump applications.

A floor pump supporting device uses a pivot mechanism and biasing member to enable easy leg folding.

A reciprocating piston compressor uses a tilted connecting rod axis to reduce bearing clearance and minimize structure-borne noise.

A rigid plug assembly uses a glass fiber reinforced thermoplastic outer body to house electrical receptacles for compressor terminals.

A double-stage piston compressor uses a secondary control unit to activate the second drive piston only when target pressure is reached.

An enlargement segment nested within the suction connection piece secures the flexible link, preventing detachment during vibration while simplifying assembly.

A piston head mount element with a tapered shoulder secures the piston head to the shaft via axial tension.

Auxiliary communication tube increases refrigerant flow distance to attenuate low-frequency discharge pulsation without expanding discharge muffler volume.

Segmented pump housing isolates fuel and oil chambers, preventing cross-contamination while maintaining compact design.

A coiled envelope bladder accommodates fluid expansion while preventing water permeation at high temperatures.

Separate collector conduits prevent lubricant-fuel mixing in high pressure pumps by enabling continuous sloping gravity drainage paths.

A manual inflating device uses a switching mechanism to direct compressed air through large and small cylinders for bidirectional pumping.

Segmenting the feeding path prevents freezing damage to sensitive components while retaining liquid near the pump to avoid precipitate formation.