Positive Displacement Pump Components TRIZ Cases

Non-cutting extrusion eliminates machining costs and material waste while ensuring dimensional precision.

Segmented upper and lower sealing arrangements isolate pressurized gas and coolant, preventing oil contamination in reciprocating machines.

Closed circuit hydraulic motor system uses a one-way valve to divert discharge oil into a compressed gas storage tank.

Cleft relief features on the port plate balance aperture control fluid flow to prevent cavitation damage from collapsing vapor bubbles.

A planetary drive system aligns four fluid ends in one plane to deliver torque from an electric motor, reducing gas venting and battery stress.

A vertical fluid cylinder uses a liquid interface to pressurize abrasive slurry, reducing component wear and maintenance costs in hydraulic fracturing.

A closing element with radial movability aligns a sealing surface against a valve seat within a stem bore.

Nested end pistons increase pressure output without enlarging the pump size while reducing magnetic flux loss through segmented magnetic circuits.

Snug-fitting casing with labyrinth airflow passageways directs cooling air through bends to reduce noise transmission from vehicle seat air pumps.

A fluid pump recirculates seal leakage back to the inlet area through a dedicated feedback passage.

Dynamic piston retraction control balances high flow delivery against fluid evaporation risks during positive displacement pumping cycles.

An air stop sheet with a bending section creates an airflow space to balance cylinder pressure.

An elliptical gas pocket with extended axial length enhances levitation force while minimizing high-pressure gas leakage between the piston and cylinder.

A gear pump delivery conduit with a spaced inlet mouth and protective shim.

A ball joint skirt and troncospherical piston end allow the sliding skirt to pivot, maintaining sealing contact despite cyclic orientation changes.

Reservoir segmentation isolates pumping mechanisms from cryogenic fuel to prevent premature gasification during initial fluid loading.

An adjustable pump gear mounting assembly uses a shroud with oversized holes to optimize backlash, reducing wear on meshing gears.

A pump cylinder head uses brass for the pressure chamber and aluminum for manifolds.

Dynamic oil pickup tube positioning prevents crankshaft bearing abrasions at low speeds while maintaining mechanical efficiency and reducing energy loss.

Retention ring positions upstream of drain channel to direct oil flow toward the seal ring, preventing premature wear from air trapping in vertical assemblies.

Electric heating elements replace bulky external jackets on process pumps, reducing heat-up time and radiation loss through direct contact with pumped material.

Integrated feed circuits and polymeric protection bodies reduce connection complexity and bulk while preventing corrosion damage in corrosive fluid pumps.

Segmenting the valve plate assembly into a replaceable ceramic wear plate and metal support reduces repair costs while maintaining wear resistance.

A borehole torque reversing device converts rotary motor force into linear reciprocating pump motion using a screw pair and compression springs.

Segmented spacer arms distribute thermal loads across multiple support points, reducing distortion in piston compressors handling large temperature differences.

A spring-loaded piston element dynamically adjusts flow cross sections to dampen pressure pulsation in refrigerant compressors.

A buoy assembly with aeration ports reduces internal pressure in the inlet conduit, lifting water and debris from deep shafts without excessive energy demand.

A pump separator distinguishes gaseous and liquid sodium hypochlorite components using gravity-driven separation within a T-fitting reservoir.

A deformable metal fastener attaches the suction acoustic filter outlet pipe to the compressor head cover.

Gas bearings replace oil lubrication in a compact linear compressor, reducing friction forces while maintaining performance.

Replacing conventional bearings with a leaf spring fastening unit reduces wear and noise while allowing adjustable air flow control in medical suction pumps.

A suction muffler gas catcher positioned below the pipe orifice intercepts falling refrigerant gas to improve intake efficiency.

A synthetic vacuum generator uses reciprocating piston and check valve resonance to create local suction.

One fixed corner isolates circuit board thermal expansion from the case, preventing soldering cracks caused by linear expansion coefficient differences.

Segmented piezoelectric pump design resolves actuator cost versus flow rate trade-offs by using intermediary valves to prevent backflow.

Blocking members restrict heat transfer between discharge cover and cylinder in linear compressors.

A hydraulic piston assembly uses an integrated projection to maintain roller orientation within a cylinder groove.

Radial cooling air flow eliminates axial crankshaft passages, reducing device complexity while ensuring uniform cooler distribution.

A rotatable filter cage separates debris from fluids, maintaining pumping efficiency while preventing silt disruption and clogging in shallow waters.

A piston pump uses a single U-shaped clamping bracket to secure the assembly while hydraulic pressure stabilizes internal forces.

Tapered internal and external shoulders distribute cyclic loads on pump valve seats, reducing stress concentrations that cause fatigue failure.

A diaphragm pump integrates inlet and outlet valves with the membrane into a single coherent component driven by a crank mechanism.

A hydraulic piston pump uses segmented outflow channels to manage pressure medium flow and reduce drive power requirements.

Glass-metal seal in microalloyed steel housing part achieves helium leakage below 10^-8 mbar l/sec while resolving bending stiffness trade-offs.

A T-shaped coupling with laterally adjacent ports reduces wall protrusion by replacing bulky fork designs with a compact, asymmetric channel layout.

A pipeline constriction accelerates gas flow to deliver tire sealant, resolving incomplete medium transport caused by insufficient suction velocity.

Wire springs replace complex leaf springs to suppress vibration and rotation moments while reducing manufacturing costs.

Vertical coil placement below terminal block reduces common mode noise while maintaining compact compressor dimensions.

Segmented guard protects compression unit and allows battery attachment without hindering access.

Bilateral spring support stabilizes peristaltic pump pinch members, preventing lateral tilting that causes inconsistent dead head pressure.