Positive Displacement Pump Components TRIZ Cases

Offset fluid passages in a segmented pump fluid end remove intersecting bores, reducing high-stress wear and extending service life.

A compression-driven expander and retaining nut remove reciprocating pump valve seats without high-force hydraulic pulling, improving tool life and safety.

A single counterflow guide integrates suction and discharge valve seats to simplify fluid-end manufacturing while improving pump flow control.

Reduced-thickness coating clearance regions keep the flap off rough contact zones, improving valve response time and longevity.

Multiple replaceable fluid end sections with routing plugs and sealed bores reduce wear, leakage, and full-unit replacement in fracturing service.

An anti-rotation threaded retainer secures the wear sleeve against backout, easing pump maintenance while reducing leakage risk.

Spring-supported mounting decouples a vacuum pump from the pumping station to block vibration transfer and absorb transport shocks.

Both flapper portions pivot in the same direction to reduce dithering under turbulent airflow and hold a stable closed position.

Grinding and cleaning eroded carbide valve seat inserts enables reuse with shallower new bodies, cutting waste and replacement cost.

A guide-driven piston cyclically opens and closes the inlet port to pump oil from a stationary outer passage into a rotating assembly.

A hollow plunger with an internal insert lowers seal friction and heat in fracking pumps while preventing debris buildup in the cavity.

Auxiliary accumulators stabilize inlet pressure in fracturing manifolds, preventing air suction and sand deposition that shorten plunger pump life.

Slotted motor adapters and movable mounting lugs let one pump base plate fit many pump, motor, and coupling setups while cutting inventory complexity.

A movable selection member and one-way valves speed prosthesis inflation and simplify deflation with fewer pump components.

A single shutoff and bypass valve layout lets a compact diaphragm pump switch between demand and bypass modes with independent pressure settings.

Through-hardening with austempering gives hydraulic fracturing valve seats uniform wear resistance and toughness to reduce leakage and replacement frequency.

A linear-translation double-piston valve cuts retained concrete, shortens cleaning time, and avoids constant bearing lubrication.

Segmented valve plate roots and lugs guide crankcase air intake deformation to reduce connector stress, wear, and breakage.

Segmented root portions and accommodating recesses let the valve plate flex for steady air intake while reducing breakage and rubbing wear.

Segmented fluid end sections with an internal routing plug reduce wear-related failures and speed replacement in high-pressure pumps.

A vertical pump box with air drying, cooling, and elastic accumulators reduces heat, corrosion, and pressure loss in medical fluid delivery.

Laser shock peening adds residual compressive stress to power end frame welds, resisting tensile cracking, leakage, and pump failure.

Integrated axial check valves in a valve plate let a transmission pump route lubricant in both rotation directions with lower complexity and added motor cooling.

A topside pump and downhole manifold feed lubricant to exposed bearings, cutting windage loss and seal wear while protecting stator windings.

Separate low-frequency dampers and high-frequency acoustic bushings cut vehicle assembly noise while saving installation space.

High-pressure discharge gas controls the compressor inlet valve without venting, improving capacity control and reducing compressed gas loss.

Cellular foam and a deformable multi-ply shell absorb reciprocating pump pressure pulsations, protecting pumps and piping from damage.

A multifunction flange joins the motor, pump, and control plate to cut rail vehicle hydraulic package space, weight, and wiring complexity.

A separate bracket encloses soft dampers to secure a vehicle vacuum pump while reducing framework force transmission and easing inspection.

Isolating the air motor chamber with a breather valve prevents fluid leakage into pneumatic passages and simplifies diaphragm rupture cleanup.

A radially varying guide drives a piston with centripetal acceleration to pump oil inward and maintain bearing feed in rotating assemblies.

Direct electromechanical actuation with bypass recirculation helps a variable displacement pump handle low fuel flow without losing efficiency.

Jack bolts and a jack plate replace sledge-hammer tightening, improving high-pressure valve cover sealing while reducing installation risk and labor.

A side-ported tube and septum seal cut valve actuation force while maintaining constant fluid volume for accurate drug dosing.

Independent lubrication units and an auxiliary power drive keep turbine fracturing equipment stable during continuous high-power plunger pumping.

A load-sensitive auxiliary hydraulic circuit replaces multiple pumps, cutting transfer-case complexity, power loss, and energy waste.

Removable cartridge sealing and segmented fluid circuits cut pressure loss, simplify vertical maintenance, and improve thermal control in hydrogen tank cycling.

Rubber dampers and support legs route compressor vibration to the bench top, protecting controller circuits and reducing dehydrator noise.

An internal annular flow path and removable flow tube divert well liquids while cutting extra flow paths, welds, and maintenance complexity.

A low-aspect-ratio movable element with oblique openings improves one-way valve durability, response, and maintenance under cyclic high pressure.

A sliding retainer and compressible ring keep a check valve sealed as metal wears, preventing ring deflection and extending service life.

A multi-piece fluid end housing isolates high-wear sections for replacement, reducing proppant erosion downtime and full assembly swaps.

A notched spring fixing structure mounts the valve spring without valve-box grooves, reducing stress concentration and preventing rotation.

Angled hose fittings and an articulation arm speed wellhead manifold hookup and disconnection, cutting frac downtime and mobilization costs.

A flexible non-elastic membrane varies chamber volume to create pulsatile blood flow, reducing hemolysis and improving blood pressure regulation.

Uniformly spaced guide holes disperse refrigerant around the bearing to improve lubrication consistency without extra separation steps.

A compressible manifold liner forms a tapered flow channel that reduces frac pump wear, leakage risk, and replacement downtime.

A ceramic insert in the valve seat resists corrosion, erosion, and pitting in high-pressure pumps, cutting maintenance downtime.

Dual pilot-operated check and cartridge valves simplify oil-way distribution, enabling high-pressure radial piston pump and motor reversal.

A segmented flangeless fluid end cuts stress concentrations and material waste while staying compatible with traditional stay rods.