Positive Displacement Pump Components TRIZ Cases

A threaded wear sleeve retainer with an anti-rotation lock prevents backing out, cuts leakage risk, and speeds on-site maintenance.

A modular fluid end with a routing plug distributes pressure, reduces proppant erosion, and lets worn sections be replaced instead of the full assembly.

A low-pressure supply chamber redirects leakage from the high-pressure gasket to protect the low-pressure seal and extend pump service life.

Segmented plungers with articulating and swivel joints cut tubing and valve rod wear in high-angle rod pumps, reducing sticking and failure.

An axial ring and tightening ring align the displacement pump for quick rod coupling, lower side loads, and reduced component wear.

A clamp ring mounting secures the pump quickly while aligning drive forces with the pump rod centerline to reduce wear and extend life.

A hinged handle, stabilizer tabs, and ramped guides let pumps mount and release quickly while keeping a stable connection on vertical or horizontal surfaces.

Cellular foam inside a deformable multi-ply shell absorbs reciprocating pump pressure pulsations without pressurized gas, protecting pumps and piping.

Computer vision and autonomous navigation retrieve scattered tennis balls, reducing collection time and enabling efficient solo practice.

Rear and front nozzles recirculate oil from dip buckets and casing walls to keep the roller trolley lubricated and reduce wear.

Indirect line cooling and colder dry-air mixing keep machining oil mist cold while preventing injector and moisture freezing.

Interchangeable fluid end sections and wear-resistant parts help fracturing pumps resist proppant erosion and delay high-pressure failures.

Elastic members, a rod, and spacers distribute lateral piston loads in a linear compressor, improving durability and simplifying assembly.

Direct tank-mounted pump modules cut piping losses and simplify maintenance with independently controlled electric drives.

A top-mounted vacuum pump, air dryer, and elastic bladder accumulators reduce heat, corrosion, and pressure loss in medical fluid therapy machines.

Separating the fluid end into replaceable housing sections removes high-stress bore intersections, reducing cracking, leakage, and maintenance downtime.

A shared motor drives both the hydraulic pump and air compressor in one insulated assembly, cutting vehicle space use and noise.

Dual manifold chambers, relief valves, and a check valve let a cordless hydraulic pump control pressure and safely return fluid to the bladder.

Elastic dual brackets lock a plunger pump packing nut against vibration, reducing loosening, inspections, and equipment risk.

Rotating brackets and side pins let pump-mounted electronics shift angle and height for easier access, better cable routing, and wider pump fit.

A linear plunger hydraulic end removes valve box intersecting lines to reduce stress concentration, cracking, and water leakage.

A pressure-fitted replaceable seat sleeve lets frac swing valves resist erosion and be serviced in-line with hydraulic removal tools.

A vessel linked to the discharge valve chamber acts as a Helmholtz buffer, cutting pressure peaks without enlarging compressor size.

A pivoting driving lever lifts and slides the upper tube clamp to create more space for fast peristaltic pump tube replacement.

Integrated motor-pump layout uses inner and outer coolant lines plus insulation to improve hydraulic flow reliability, efficiency, and noise control.

A bent air stop sheet creates airflow space to release back pressure, easing compressor restart and reducing valve fatigue.

A hitch-mounted upright vise stabilizes liquid paint displacement pumps for fast field replacement of worn piston packings using a torque wrench.

Lubricated guide rings let an inverted metal bellows handle thermal fluid expansion while isolating wellbore fluids and reducing flex wear.

Partial spherical microgrooves use refrigerant gas to cut piston-cylinder friction, limit oil ingress, and improve compressor durability.

A torus-shaped sealing surface cuts flow separation and pressure loss in compressor annular valves while improving stability and service life.

Compressed-air and ball-screw actuation pump oil only when needed, cutting hydraulic unit noise, heat, wear, and electric energy use.

A double-walled housing vents a lubricant reservoir through internal spaces and openings, balancing pressure while avoiding damage and contamination.

Offset bores, a fastening plate, and retainers align removable valve covers to improve sealing and simplify hydraulic pump maintenance.

A dual-sealing relief valve meters trace air discharge, giving air pumps finer pressure adjustment without losing simple control.

A primary duct placed between cylinder axes with curved branch ducts cuts flow-rate fluctuation while keeping the pump compact and manufacturable.

Adjusted bolt-slot spacing and pilot diameter raise torque capacity in a compact hydraulic pump or motor without larger retrofit hardware.

Circulating lubricant cools the compression chamber, cuts piston wear and soot, and supports durable multistage gas compression.

A pressed-in friction-fit ball retainer simplifies check valve assembly while maintaining backflow blocking and pump chamber pressure.

A dryer, separated vacuum pump, and elastic bladder accumulators cut corrosion and heat while extending pneumatic pressure delivery in fluid therapy.

Outlet valves placed above inlet valves help a multi-cavity bioprocess pump vent trapped gas, improve draining, and smooth low-flow pulsation.

A floating spool flushing valve enables small-flow circulation at low pressure differences to warm or cool closed hydrostatic circuits.

A threaded tightening ring and aligned drive link secure the pump rod quickly while reducing side loading and wear in fluid spraying pumps.

A clamped pump mount and direct rod-link interface cut mounting time while reducing side loading, misalignment, and wear.

A replaceable sleeve mounted on the piston rod absorbs abrasive seal wear, lowering rod cost and replacement downtime in fluid sprayer pumps.

A hybrid fastener plus shrink-fit or brazed joint keeps a carbide strike face bonded to a steel valve seat base, reducing erosion and downtime.

Offset intake and discharge passages in a modular fluid end reduce stress concentration, leakage risk, and replacement downtime.

A dual lubrication layout stabilizes turbine-driven plunger pumping, enabling continuous 5000 HP output with lower failure risk.

A carbide or ceramic strike-surface insert cuts valve erosion in reciprocating pumps and allows replacement of only the worn part.

Guide pins constrain compressor valve poppets to axial motion, cutting seat wear, extending valve life, and reducing pressure loss.

A dual lubrication system and two-stage reduction gearbox stabilize turbine-driven plunger pumps for continuous 5000 HP fracturing.