Positive Displacement Pump Components TRIZ Cases

Thermal insulators between motor and crankcase housings block conductive heat transfer, reducing cup seal temperature and allowing compact compressor designs.

Segmented barrels and wiper couplings prevent sand damage between plunger and barrel, reducing maintenance costs.

A piezoelectric gas transport device uses Helmholtz resonance to drive high-speed gas flow through a compact nozzle plate assembly.

A shared acoustic field drives parallel test stations, reducing equipment complexity and space while maintaining measurement accuracy.

Enlarged-diameter portions on the motor case inner circumference prevent asymmetric contact and rotation moments that cause stator shrink-fitting failures.

Tension members extend through the fluid end body to provide compressive loads that counteract tensile stresses at intersecting bore regions.

A positive displacement pump uses membrane adhesion to minimize residual volume in the pumping chamber.

A variable blowdown control system adjusts separator tank pressure to maintain adequate lubrication supply.

Expanded displacement plugs induce residual compressive stress in pump bodies, inhibiting fatigue crack initiation at fluid end cylinders.

Dual-rotor water pumps use springs to maintain plate sealing during startup, reducing leakage and space requirements.

Misaligned orifices in a stacked plate assembly prevent backflow and sustain high flow rates by segmenting the gas path through multiple parallel channels.

A reciprocating pump uses a rotary drive shaft to convert rotation into alternating piston strokes for viscous media conveyance.

A vapor injection system adds intermediate-pressure fluid to a reciprocating compressor, reducing work required for compression and increasing capacity.

Selective honing removes the high-hardness compound layer at the cylinder hole inlet, reducing surface pressure and preventing piston wear.

Merges frequency converter with motor housing to eliminate heavy cables, reducing transport weight while managing heat via liquid-cooling.

Cartridge assembly with constant diameter bore eliminates internal shoulders to reduce stress concentration and manufacturing complexity.

Cylindrical inlet valve system uses differential gas pressures to control element positions between closed and opened states.

Carbide inserts within valve guides resist erosion from abrasive proppants, extending service life in high-pressure fracturing operations.

An elastomer valve seat merges check valve and impact damping functions in a reciprocating piston pump.

A polyol ester lubricating oil composition maintains molecular compatibility with unsaturated fluorinated hydrocarbon refrigerants.

A shared H-bridge driving circuit architecture reduces component count for electrochemical pump actuator control.

An elastomer dampening member isolates pump vibrations from the base, minimizing user discomfort caused by operational noise.

An electric water pump uses an integrated sealing can to enclose the rotor and shaft assembly.

A check valve assembly balances pressures between inlet ports and suction chambers to reduce noise from pressure pulsations and hasten startability.

A vertical connection pipe links a vacuum pump to a replaceable collection device, preventing reactive by-product clogging and backflow in narrow facilities.

Segmenting the valve into a flexible film and rigid support enables high-frequency pressure response, increasing flow rate without enlarging the pump chamber.

Segmenting cooling airflow with a single fan reduces noise to 75 dBA while eliminating multiple fans.

A two-dimensional engine uses planar piston motion to drive a crank mechanism with reduced structural complexity.

A poppet valve integrates a damper mechanism to absorb impact energy during shutter movement.

A shaft seal conveying thread channels lubricant through a check valve to flush contaminants uniformly, preventing uneven wear and seal damage.

Segmented chambers with dynamic spring-loaded valves maintain stable hydrogen delivery during transient maneuvers while keeping engine size compact.

A dental pump assembly uses a detent and track system to convert rotational drive motion into controlled piston reciprocation for fluid delivery.

Separating high and low pressure chambers eliminates oil seals, enabling ultra-high pressure operation at higher rotation speeds.

Geometric matching of valve fingers and outlet openings prevents complete blockage, avoiding cylinder head destruction from pressure buildup.

Alternating circular and curved track sections guide rotor elements to adjust squeezing force, eliminating complex springs and reducing motor shaft stress.

Anchoring plates secure the tool to prevent accidental sliding, while a slide mechanism controls extraction force to reduce operator strain.

Segmented universal housing shells enable versatile pump configurations, reducing manufacturing costs and component inventory.

A linear compressor inner stator employs a deformation prevention device to prevent side core spreading, maintaining the required airgap for motor efficiency.

A bicycle pump routes its hose through an annular space around the pressure gauge to enable compact coiling.

Segmented elastic strips maintain plug orientation in viscous liquids, preventing leaks and ensuring reliable sealing.

Reversing the relief valve mechanism insertion direction aligns differential pressure forces with the attachment axis, preventing detachment and fuel leaks.

A high pressure pump sealing unit uses a neck and bulges to seal the housing cavity fluid-tight.

Segmenting the lubrication and pumping fluids prevents contamination and wear, extending pump life despite increased system complexity.

Segmented valve seats use controlled leak channels to release vacuum pressure during shutdown, enabling smoother restarts without stalling.

Segmented steel connector and hose fixing member stabilize discharge hose coupling, preventing leaks and vibration noise in restricted compressor spaces.

Bi-directional pulsation from a diaphragm pump module removes scale and rust sediment from heat exchanger channels, restoring thermal conductivity.

A pump bellows system monitors position signals to adjust hydraulic fluid volume and maintain operation within predefined mechanical limits.

A compressor system recovers waste heat from the working medium to preheat the drive fluid before compression.

A modular base system connects pumping devices to hydraulic lines using integrated tubular elements and quick locking mechanisms.

Aligned spool and housing vents release trapped air from distal chambers, preventing pump stalling during extended reciprocating strokes.