Positive Displacement Pump Components TRIZ Cases

A compact metering pump block combines backpressure control and safety relief to cut leak points, save space, and simplify assembly.

Angled backward-swept valve legs cut flow impedance and turbulence in hydraulic fracturing pumps while improving seal durability.

A torus-shaped sealing surface removes flow-separating edges in an annular valve, lowering gas pressure loss and extending valve life.

A load-concentrating pump rod head and clamping drive link align forces with the centerline to cut wear and speed installation.

A flexible membrane and disk-like fluid chamber form a resonator that damps low-frequency hydraulic pressure surges with less complexity.

Tapered valve discs and low-point drain lines fully empty diaphragm pumps and check valves, preventing trapped fluid, mixing, and bacterial growth.

Impact extrusion forms a near-net-shape axial piston blank that cuts machining effort while improving surface quality, strength, and accuracy.

A replaceable sleeve isolates the piston rod from dynamic seals, cutting abrasive wear and reducing pump maintenance downtime.

Fluid pressure lifts a rotary valve closure off the seat, cutting friction, wear, and opening time while preserving compressor sealing.

A multilayer iron-oxide coating with a silicon-rich inner region improves slide conformability and abrasion resistance in refrigerant compressors.

A non-circular bearing seat and locking shoulder stop rotation and pullout in plastic-base air compressors while keeping bearings replaceable.

A movable seal ring seals the pump rod on the forward stroke, then opens a refill path on return to improve lubrication precision and reduce wear.

An integrated adapter with a pressure reducing valve and filter sets hydraulic motor torque limits to protect components under changing conditions.

A flexible membrane forms a resonator chamber that damps low-frequency hydraulic pressure surges with less weight and fluid volume.

Self-contained reed valve modules simplify compressor valve replacement, improve sealing, and reduce wear, downtime, and fastener-related failures.

A ridge-and-locking-arm closure replaces slow threading, enabling one-handed pump barrel opening while reducing pressure-release hazards and leaks.

A stepwise guide opening and support section help a vane compressor check valve open fully at startup while reducing refrigerant flow resistance.

A canister-based pump valve module enables quick replacement of worn fluid-end parts, cutting oilfield pump downtime and service complexity.

Offset reed valve modules on multiple levels expand compressor flow area while limiting clearance volume, trapped gas, and heat.

An adjustable seat-guard gap lets reciprocating compressor valves match gas conditions, cutting flutter, energy use, and discharge temperature.

A sealed ball guide and cage improve check-valve seating in aggregate piston pumps, preventing pack-out and material separation.

A seal ring shifts between sealing and refill positions so a single-stroke pump can meter lubricant accurately while limiting friction and wear.

A low-pressure selector valve routes lower-pressure return oil through a restrictor and cooler, avoiding a charge pump and stop-state energy loss.

A sprayer pump primes itself by letting the piston unseat a stuck check valve, expel air, and start fluid uptake without manual priming.

Partial-tooth step-up gearing shifts force between suction and compression, improving volumetric flow in multi-piston sealant compressors.

Compliant balls, adjustable seats, and venturi-driven flow help a reciprocating pump seal heavy aggregate mixes without packing out.

A coaxial turbine, reduction gearbox, 2°-4° shaft angle, and dual lubrication enable stable continuous fracturing pump output above 5000 HP.

A rotary metering layout simplifies the fluid path and cuts moving parts to improve insulin dose accuracy, reliability, and patch pump size.

A pressure-responsive seal valve balances leakage control with piston lubrication and cooling to cut energy loss and prevent seizure.

A supplemental pump and staged filtration clean fluid when needed, cutting parasitic power while extending machine life and reducing downtime.

Encasing a cemented carbide valve seat section in a ring adds compressive stress to resist slurry wear, leakage, and sudden failure in fluid ends.

An attenuation member between the elastic member and disk cuts clutch contact noise and vibration while preserving compressor responsiveness.

A common pump sleeve with segmented charge and scavenge ports manages variable shaft speed to keep generator frequency stable.

A screw-bolt and torque-gear layout keeps the bearing engaged, reducing friction and idle rotation in air compressor pistons.

A variable passage relief valve smooths pressure reduction in a high-pressure pump by changing overlap area to suppress pulsation and damage.

Metal powder injection molding with debinding and hot isostatic pressing cuts material waste while producing dense poppet valves for high-stress use.

A sleeve-and-bolt spring mount limits lateral drive-unit motion, cutting compressor noise and vibration without over-stiff springs.

A non-circular bearing ring and matching positioning orifice stop idle rotation and bearing pullout in plastic-base air compressors.

Ribs and matching slits uniquely orient reciprocating pump valve cartridges, preventing reversed flow paths and unsafe assembly.

Annular ball-seat ports use hydraulic pressure to center the ball, preventing wall impact, friction wear, and valve replacement downtime.

A controlled bellows peak-to-side thickness ratio disperses stress and suppresses cracking during repeated expansion and contraction.