Positive Displacement Pump Components TRIZ Cases

A diesel pump piston features a recess engaging a complementary head member to minimize clearance.

A peristaltic pump controller computes dynamic pressure thresholds from upstream and downstream signals to detect tube occlusions.

Tapered tracts expand or decrease cross-sectional area to minimize pressure loss and turbulence across ball check valves.

Hardened inserts and composite seals mitigate premature erosion in high-pressure fracturing pumps.

Hydraulic pumping replaces reciprocating pistons to lower mechanical complexity and maintenance costs.

Snap-action mounting structure secures air compressor motor to base using arcuate retainers and hooks, eliminating screw loosening issues.

A steel dampening ring on a wafer spring cushions the plastic valve plate, reducing opening impact velocity and prolonging component life.

A vibrating pump recirculates leaked fluid from a secondary chamber back to the compression inlet using a ceramic plunger and membrane separator.

Segmenting telescopic cylinders into independent units resolves assembly complexity and leak risks while maintaining versatile pressure control.

Deformable substrates resolve alignment precision issues in miniaturized fluid control devices by dynamically maintaining specified gap depths.

Plastic deformation of a solid metal rod creates unitary hollow pistons, eliminating weld sites that cause structural fatigue and reducing material waste.

A hydraulic pump uses a moving pressing member driven by buoyancy to transport water without external power.

A micro-fluid pump uses a distribution wall and diaphragm assembly to control fluid flow.

A detecting member with a reed switch and magnet monitors liquid levels in an oil separator, eliminating manual visual inspection requirements.

One-piece displacement piston unit with elastomer seals improves metering accuracy and reliability in cost-effective lubricant supply systems.

A universal pump adapter enables interchangeable mounting of various pump heads to a single motor, reducing system complexity and cost.

Nested housings with elastomeric standoffs isolate motor vibrations, resolving the contradiction between effective liquid distribution and acoustic noise.

A turbo type pump uses a reduced-diameter portion and reverse partition wall to guide fluid back to the center of the passage.

An eccentric bushing mechanism rotates to alter the distance between base apertures, adjusting the angle between motor and pump flanges.

A peristaltic pump tube carrier actuates between pumping and release positions to enable in-situ cleaning without dismounting the flexible tube.

A dual-cavity micropump uses a flow-converging device to merge fluid streams from symmetric chambers into a single outlet passage.

A thermal control valve regulates lubricant temperature and flow in flooded compressor systems using a movable sleeve.

Electric motor drives reciprocating rod element through roller screw assembly to generate alternating pressure in pump chambers.

Protruded structures in a piston pump stopping assembly create grooves that relieve pressure surges and prevent lubrication oil dilution.

A handheld sprayer fluid module slides onto a drive unit via static and dynamic connections to transmit mechanical power for high-pressure liquid atomization.

Vacuum relief valve prevents hose collapse during blockages, enabling high volumetric flow rates.

A handheld sprayer uses a polymer pump body with a reciprocating metallic piston to generate spray pressure through dynamic sealing.

Dual chamber housing isolates electronic controls from pump leaks to prevent electrocution risks while maintaining accessible user interfaces.

Buried cooling water pipe in stator column wall cools electrical equipment section, reducing gas molecule deposition risk and manufacturing costs.

Segmenting measurement into high and low pressure gauges resolves slow indicator movement at low pressures, enabling faster reading of pressure values.

Segmented valve member engages a secondary impact surface upon primary failure to prevent structural damage in reciprocating compressor assemblies.

A universal motor drives an oil lubricated compressor pump using electrographite brushes and a commutator to generate high torque.

Modular cylinder coupling with supporting end and press bolt reduces deformation while precision bearings eliminate vibration and oil requirements.

Segmented dampers with longitudinally oriented membranes synchronize pressure curves to reduce stress and extend service life.

Convex polynomial curves on the recessed cylinder surface reduce aerodynamic resistance and pressure losses while maintaining adequate clearance volume.

A pump head uses an overmolded plastic layer on a metallic body to withstand high pressures while resisting chemical corrosion.

A ball biasing member forms an oil discharge passage while elastically supporting the valve ball.

Gravity-actuated check valves eliminate spring preload in a compact volumetric pump, resolving leakage and transmission efficiency losses.

An axial mounting configuration eliminates protruding interference hazards while maintaining a slim profile for convenient bicycle frame installation.

A sealed compressor suction muffler positions the inlet port above a funnel receiver to guide refrigerant gas flow.

A piston compressor connecting rod integrates an air channel within its motion plane to reduce system volume.

A miniature gas transportation device uses a piezoelectric actuator to drive gas flow through a single integrated outlet plate.

A linear motor drives a piston to compress working fluid, enabling reliable operation at low battery voltage while reducing noise and vibration.

Nested corrugated tubes enable flexible alignment while maintaining compact dimensions in refrigerant compressors.

An integrated cooling apparatus merges a cold plate, radiator fins, and an adjacent pump to eliminate bulky connecting pipes.

Direct drive eliminates gear weight while thermally conductive aluminum housing manages heat for fast inflation.

Segmenting the piston into sealing and transmission parts lowers friction resistance, extending battery life in water flossers.

Curved valve seats paired with elastic members eliminate gaps that cause ink backflow, ensuring reliable sealing.

A recessed piston rod cap reduces insertion force and traps contaminants in paint sprayers.

A pressurizing device uses guiding elements to split airflow into multiple streams for targeted heat-exchanger cooling.