Positive Displacement Pump Components TRIZ Cases

An integral valve seat in the fluid end resists abrasive high-pressure wear, cutting valve seat replacements, downtime, and service cost.

Coaxial plate segments with varying bearing diameters simplify crankshaft installation while reducing pump frame weight and deformation.

Triggered supplemental pumping enables fine filtration during post-lubrication only when needed, cutting parasitic power loss and wear.

An integrated base plate absorbs eccentric forces and positions the pump element precisely, cutting tolerance stack-up and housing complexity.

Rotating oil in the cam plate reservoir circulates through the bearing to cut heat buildup, refresh lubricant, and remove breakdown products.

A shaped adaptor and centrifugal clutch let a propane engine drive hydraulic lifts or winches continuously, avoiding battery recharge delays.

A bypass flow path with a check valve feeds fluid directly to the tank, cutting fill time and pressurized fluid loss in compact boosters.

A one-way air valve sustains an internal air pocket that absorbs condensate pump pressure pulses, reducing vibration and noise without extra equipment.

Dual drive pins in an axial engagement collar distribute load and enable variable forward and reverse traverse on a compact driveshaft.

Depressurized grooves and decompression ducts keep the piston skirt leaky enough for sealing while limiting friction losses in axial pumps and motors.

Using vacuum-driven piston motion instead of electric motors cuts weight, cost, and contamination risk in single-use bone treatment tools.

Segmented fluid end sections remove high-stress bore intersections and enable section replacement to reduce wear, cracking, and downtime.

Modular sections and stay rods reduce pump weight, improve lubrication distribution, and allow replacement of worn power end components.

A segmented check valve retainer uses inserts, a spring, and interference fit to handle over 30,000 PSI with lower manufacturing cost.

Nanometer-scale channels, valves, and a driving chip enable real-time vessel monitoring and on-demand drug delivery inside blood vessels.

A resilient deformable collar isolates condensate pump motor vibration, cutting noise, limiting rattling, and helping block debris entry.

A spring, stopper cap, and stopper bar restrain transverse compressor motion to cut vibration noise and prevent shell collision.

An offset ball check valve and elbow cavity cut cavitation, noise, and erosion in diaphragm pumps while improving seating and flow stability.

A projected pump rod head and drive link concentrate load on the centerline, simplifying mounting while reducing side loading and wear.

Load-concentrating pump rod and drive link features cut side loading, reduce wear, and speed pump installation and removal.

A fixed or snap-fit retaining body holds valve springs without machined shoulders, cutting pump assembly time, cost, and maintenance effort.

Curved sliding block tracks reshape double-piston compressor motion to boost stroke efficiency while reducing wear and resistance.

A detachable pump and base switch flow to a bypass and seal communication ports, preventing coolant leakage during pump replacement.

An axial suction port between inner and outer piston bodies preserves flow area, improving valve response and limiting refrigerant leakage.

A snap-coupled retainer secures valve springs without shoulder rings, cutting pump valve assembly effort and reducing pump head fatigue.

A metal-to-metal seal and annular low-pressure chamber simplify liquid jet cutting check valve assembly while reducing misalignment and extra seals.

Guide means limit closing-element lift and prevent direct impact on the catch, cutting wear, flow resistance, and maintenance cost.

A bypass check valve lets pressurized fluid fill the tank directly, cutting filling time and reducing fluid discharge from the booster.

Dedicated end-cover oil channels bypass the drive shaft cavity to equalize pump lubrication and reduce thrust loads on bushings and thrust faces.

Localized contact projections align driving force with the pump rod centerline, reducing wear and speeding attachment in displacement pumps.

A modular fluid end with a routing plug and wear-resistant sections reduces proppant erosion, delays failures, and lowers maintenance costs.

A three-part water module lets piston pumps replace only worn suction or pressure valve blocks, cutting maintenance effort, handling weight, and downtime.

A one-piece tapered manifold removes weld leak paths while enabling back-flushing, probe access, and visual port inspection.

A piston unseats the check valve ball during startup strokes, expelling trapped air and enabling self-priming in dry fluid sprayer pumps.

A hydraulic actuator and adapter flange separate a frac pump hub from the pinion shaft faster, with less damage risk and downtime.

Four springs angled over 45° from the vibration axis suppress blower vibration transfer and reduce transport swinging without resonance.

A resilient latching coupling lets lubricant pump units insert radially without tilting, cutting installation time while preserving mechanical control reliability.

A split valve seat with O-ring sealing and stress-absorbing clearances prevents assembly strain from degrading ball valve sealing in diaphragm pumps.

By combining gas compressibility with reactive flow-through damping, this case cuts pump pulsations, equipment stress, and pressure-peak damage.

Edge-mounted actuation ports and planar internal channels cut cassette thickness and simplify direct manifold coupling without flexible tubes.

Ceramic inserts in fracturing pump valve seats resist erosion, pitting, and corrosion while easing replacement under high-pressure service.

A one-way air inlet sustains an internal air pocket that damps condensate pump pulsation and cuts discharge-line vibration and noise without compressed air.

A tuned CuEq lead-free brass balances machinability, emergency running, and oil compatibility for hydraulic pump parts.

A movable nested valve housing and check valves cut dead space in a reciprocating pump, improving dense and compressible fluid displacement.

A stamped anti-rotation guide and sub-critical nitriding keep fuel pump tappets aligned to the cam, reducing friction, noise, and distortion.

Pressure-relief holes and a layered valve-sheet structure enable rapid gas transport while cutting noise and device thickness.

Offset intake and discharge passages in modular fluid end sections route flow cleanly, reducing stress, leakage, and section replacement cost.

A sealed frac pump lubrication loop adds heating, cooling, and filtration to prevent moisture ingress, stabilize oil quality, and cut downtime.

A tuned CuEq brass composition balances oil compatibility, machinability, and emergency running for hydraulic pump components.

Rubber legs, dampers, and spacers route compressor vibration to the bench top, lowering transfer to the housing and controller electronics.