Positive Displacement Pump Components TRIZ Cases

A dynamically shifting hinge helps diaphragm pump flap valves seal better, resist wear from slurries and debris, and extend service life.

A movable stop body gradually decelerates seat valve opening to prevent impact wear and improve compressor valve reliability.

Segmented end and middle plate sections with aligned extensions improve pump frame rigidity, reduce vibration damage, and simplify assembly.

A U-shaped drive link and tightening ring secure the pump rod on center, cutting mounting time and wear in fluid spraying systems.

A removable sleeve absorbs abrasive high-pressure wear on a fluid pump piston rod, extending rod life and speeding low-cost maintenance.

A preloaded retainer and plate assembly keeps hydraulic pump valve covers removable while maintaining sealing force and reducing fluid leakage.

A removable outlet restrictor and flexible conduit let a vacuum pump exhaust coupling cut noise while balancing pump down time.

A compliant barrel-and-seal dampening element smooths pump pressure fluctuations, enabling stable bidirectional medical fluid flow sensing.

A non-circular piston valve with a thinner connecting portion cuts flapper fatigue while maintaining gas intake in reciprocating compressors.

Angled hose fittings and an articulation arm speed pump-manifold hookup at wellhead sites while supporting continuous frac operations.

A shaft groove uses centrifugal force to lift lubricant above the fill level, lubricating pump bearings without external supply.

By keeping cylinder-body gap pressure at or above plunger sliding-gap pressure, this case stabilizes sealing and prevents sticking.

Circumferential spiral elastic units with slits replace complex coil spring layouts, improving mover stability, rigidity, durability, and space efficiency.

A 2°-4° drive shaft layout and dual lubrication scheme help turbine fracturing equipment deliver stable continuous plunger pump power above 5000 HP.

A threaded tightening ring and centered pump-rod linkage speed pump mounting while reducing side loading, wear, and installation downtime.

Smaller fluid end segments join into a high-capacity fracturing pump that is easier to transport, replace onsite, and maintain.

Spaced valve-guide blades around the valve post let proppant pass more freely, reducing sticking, flow resistance, and erosion risk.

By combining check valves, relief protection, and pumps in one housing, this manifold cuts oil-system complexity and sustains lubrication in reverse rotation.

Spiral 1/4-wave and 1/8-wave ducts cancel hydraulic flow pulsations to cut vibration and noise with minimal energy dissipation.

A plug, mid-cap, and cover cap assembly replaces threaded retainer nuts to cut stress concentration and ejection risk in pump fluid ends.

A pivoted driving lever lifts the upper tube clamp beyond eccentric-wheel travel, creating safer hose clearance in peristaltic pump heads.

Grouped cylinder activation and phase-angle control cut torque ripple and bearing side load in variable-displacement hydraulic machines.

A switch-back slider-crank and gearbox extend pump stroke without added height, boosting flow at lower speed to reduce wear and maintenance.

A prestressed contact tab improves valve seat sealing under counterpressure, cutting leaks and pressure loss in liquid filter heads.

Automated two-way pump and bypass waste routing speeds biochip sample changes by simplifying reagent delivery, cleaning, and waste handling.

A linear turbine, gearbox, and plunger pump layout with a ground-contact chassis improves stability, power transmission, and natural-gas operation.

A metal-ceramic piston with a closed ceramic crown and pinned coupling resists thermal stress, corrosive fluids, and leakage in pumps.

A diaphragm dampener and venturi vacuum regulator smooth pump inlet pressure swings, reducing pulsation, vibration, and acceleration head loss.

A piston-based pressurization unit isolates feed fluid to avoid check-valve wear, pressure loss, and sealing failures in abrasive bio-material processing.

Different hardness zones in the valve body cut pump valve cost and assembly complexity while improving wear resistance and fatigue life.

A rear-positioned piston suction port expands flow area in small compressors, improving valve response, durability, and refrigerant sealing.

A rotating spatula feeds thickened or lumpy lubricant through the pump base while a proximity sensor detects minimum reservoir level.

Rotatable core and reservoir assemblies let one aircraft hydraulic power pack fit floor, wall, or ceiling mounts, cutting redesign time and cost.

A compact integrated housing combines the gear pump, motor, and flow paths to cut leak points, reduce weight, and protect against corrosion.

Robotic arms with puller, lever, and gripper automate plunger pump teardown in pressurized hydraulic ends, cutting labor and injury risk.

Multi-piece fluid end sections linked by stay rods isolate wear and allow section replacement to reduce erosion, cracking, and downtime.

Dedicated oil channels bypass the drive shaft cavity to maintain bushing and thrust-face lubrication while reducing pressure-driven wear.

A connection body between the hydraulic machine and motor redirects pressure pulsations to cut vibration, noise, and leakage.

A venturi-nozzle shot peening tool enables uniform 360-degree coverage and deep compressive stress in confined fluid end bores.

A linear turbine-to-pump layout and ground-contact chassis cut fracturing equipment weight while improving stability, power density, and fuel use.

A porous bronze sliding member uses resin impregnation and a density gradient to improve end-edge seizure resistance without two-color molding.

Rotor ducts and end-cover port geometry reduce fluid mixing, contamination, cavitation, noise, and wear in pressure exchangers.

A load-bearing tank and hydraulic machine layout shortens fluid lines, improves extruder maintenance access, and cuts space and piping complexity.

A rail-mounted trolley and articulated arm speed wellhead hose hookup, cut downtime, and reduce hose stress during frac operations.

A removable ceramic wear sleeve shields fluid pump piston rods from abrasive seal contact, cutting replacement cost and downtime.

A spring retaining recess limits radial coil expansion during compression, extending valve spring life and sealing effectiveness in pump systems.

A curved sand cap and segmented retainer spread cyclic pressure loads in a fracturing pump fluid end, preventing thread stripping and extending service life.

A foot-valve and piston-in-tube layout keeps viscous media flowing even below scoop level, enabling near-complete container emptying.

An in-tank auxiliary pump sustains main pump suction pressure while fine-mesh filtration blocks particles and avoids pressure loss.