Positive Displacement Pump Components TRIZ Cases

See how transverse clearances in a segmented outer element reduce dynamic rigidity and improve

See how a lubricant suction channel uses pressure gradient to extract oil from the crankcase in

See how recirculation-based dilution at the tub bottom prevents concentrated rinse additive sta

A segmented reservoir cartridge and flexible delivery tube simplify under-counter coupling while a fixed outlet dispenses liquid and air.

Differential rod clearances and an O-ring limit refrigerant leakage while reducing friction in a compressor control valve.

See how a buffer-coupled plate spring support prevents direct vibration transmission from compr

See how a solenoid-actuated suction valve adjusts refrigerant flow area to match thermal load,

See how axially displaceable members with screw mechanisms tune conduit branch volumes to cance

See how merging flow meter, pump, heater, and sensors into one cartridge reduces leakage risk,

See how a hybrid frontal array combines louvers and orifice plates to achieve high pumping spee

See how a differential pump with three communication chambers achieves precise small-volume col

See how a ferrite shielding element deflects electromagnetic field lines from induction heating

See how dual-pump segmentation enables air injection during partial strokes to expel high-visco

See how integrated condensate harvesting in refrigerated dryers uses level sensing and automati

See how a tapered housing and clamp assembly create a reliable refrigerant seal without brazing

See how a rotatable dual-head pump filter provides tactile and auditory feedback to confirm sec

A removable pump enclosure supports tool-less syrup pump changes, preventing flavor cross-contamination and reducing maintenance downtime in beverage dispensers.

See how Sn-Sb alloy replaces toxic lead in cryogenic regenerators, maintaining high volumetric

See how an external rotor motor inverts conventional structure to reduce torque variation and v

See how a groove-shaped elastic damping device with staggered mounting parts absorbs pump vibra

See how a one-piece support integrates compressor and regenerator cylinders with a single crank

At slow rotation, a curved support stabilizes the compressor body against the vessel bottom, reducing resonance, vibration, and noise.

See how thermal separation between refrigerant supply and discharge apparatus reduces heat tran

A discharge shell cover extends toward the frame to dissipate heat while insulation protects the cylinder and suction refrigerant.

See how a spring-loaded closure in the separator inlet automatically regulates coolant flow vel

See how an L-shaped elbow outlet and baffle-plate chambers prevent oil leakage from air-system

See how multiple air inlets and an offset fan duct suction port reduce pressure loss and balanc

See how a discharge plenum with spatial separation and gas-bearing flow paths reduces piston an

An axially protruding second pole sleeve shapes magnetic flux so beverage pumps maintain flow across 8–16 bar pressure variations.

See how integrating heating cartridges into the pump cylinder eliminates external heating tanks

See how an EHD thruster uses ionized airflow to cool heat sinks without moving parts, achieving

See how a segmented piston with seal, extension, and capture sections reduces sliding area whil

A variable frequency drive uses motor-stator current to heat compressor lubricant as needed, preventing cold starts and reducing wasted energy.

See how a recirculation circuit dilutes rinse additives at the tub bottom before drum entry, pr

A fiberglass enclosure uses rear-wall intake, front-wall exhaust, and separated panels to manage heat, noise, and maintenance access.

A linear compressor passage guide increases shell refrigerant flow rate to enhance heat exchange between the discharge cover and frame.

See how dual cooling air inlets with offset fan suction shorten flow paths and reduce pressure

See how oblique inlet and outlet axes enable a compact handheld inflator by reconfiguring airfl

See how a processor-controlled low limit valve prevents compressor overheating in aircraft air

See how periodic on/off cycling manages liquid refrigerant and lubricant in flooded compressors

See how compressor coils heat the oil pool via electromagnetic induction, eliminating auxiliary

See how segmented main and supplementary pumps with pressure feedback enable precise inflation

See how vented valve guides and radial slots reduce headspace expansion and flow resistance in

See how a dual-body piston and differential bore chamber compress during dispensing and expand

See how tin-antimony and tin-gallium alloys replace toxic lead and brittle rare-earth materials

Audible and tactile feedback from a two-part pump filter head helps users confirm full fastening and prevent washing machine leaks.

A dual-compartment suction chamber uses passive phase-canceling flow paths to cut compressor noise without complex electronics or piping.

An inclined compressor cover drains condensation away from terminals and the discharge sensor while preserving sound insulation and temperature accuracy.

A helical groove, flow resistor, and buffer portion stabilize phase shifting and cut leakage loss in a multi-stage cryogenic refrigerator.

A radial penetrating portion feeds intermediate-pressure liquid into the gap, cutting casing pressure load while enabling a smaller pump stator diameter.

A torque-regulated tire pump switches between pumping and freewheeling modes to counter back torque, limit wear, and maintain pressure.

Flexible sealing around a magnetic shape-memory actuator forms moving cavities that boost pressure build-up and cut leakage in fluid transport.

A rotating permanent-magnet assembly replaces high-voltage coils to drive liquid metal flow with lower energy loss and improved safety.

An annular elastic member suppresses motor rattling and lid rotation in a fluid supply unit, improving durability under vehicle vibration.

Rubber-mounted cylinder and power units suppress piston vibration, keeping the nozzle aligned for accurate cleaning of a side turn signal camera.

A dual-layer seal bag uses a swellable inner layer to seal tears, block wellbore fluid ingress, and protect ESP motor oil from contamination.

A cap with an internal tubular stop lets one washer assembly support different piston strokes while shortening package length for bumper space.

An integrated battery, inverter, level sensor, and sump pump enables automatic floodwater removal during outages while staying portable.

A welded polygonal liner hermetically seals the ESP motor stator against wellbore fluids while resisting handling deformation and leak paths.

Angled channels and jet deflectors break coherent gas flow between pressure stages, reducing gas transport and pumping demand.

A larger cross-axis cooling fan balances upper and lower airflow around the motor, improving packaged compressor cooling and reducing noise.

A magnet and virtual pole on axially stacked stator teeth stabilize reciprocation, reduce friction, and lower compressor height.

An integrated soundproof housing and outlet radiator cut compressor noise, block external agents, reduce weight, and prevent icing.

Motor fixing portions engage body orifices to avoid screw assembly in tight space and prevent dislodgment when the compressor is turned over.

Liquid coolant replaces noisy pump fans, removes heat through a heat exchanger, and can warm chamber walls to speed evacuation.

A wheel-mounted compressor shortens air lines and uses a rotary feedthrough to cut leak risk while enabling real-time tire pressure control.

Keyed coupling and spline irregularities align enclosed magnetic poles in tandem permanent magnet ESP motors for synchronized shaft rotation.

A separate valve seating body improves backflow prevention and pressure retention while simplifying centering and assembly in pump valve arrays.

Flushing outlets and switchable valves let a pressure exchanger clear particles and lubricate the rotor, cutting fouling, wear, and downtime.

Swaging and weld caps replace gasket seals to keep tube stubs aligned and leak-tight under extreme flow rates and high temperatures.

A modular fluid end with a routing plug reduces abrasive wear and section-level replacement cuts downtime in high-pressure pumps.

Outlet valves placed above inlet valves help purge trapped air, while multi-cavity pumping reduces pulsation for accurate low-flow bioprocess transfer.

Multiple-radius flange cutouts improve coupler access in reciprocating pump fluid ends while preserving rigidity, durability, and material use.

A suspended motor and water pump use a load-bearing member, air gap, and soft rubber to cut shell-transmitted vibration and noise.

Replaceable multi-piece fluid end sections withstand pressure, vibration, and abrasion while cutting pump downtime and maintenance costs.

Segmented coolant heat exchangers cool return-line hydraulic oil, the motor, and controller while preventing condensation.

A carbide or ceramic strike-surface insert helps reciprocating pump valves resist erosion, maintain sealing, and last longer under high pressure.

A removable valve cartridge with integrated suction and discharge valves cuts pump servicing time and shifts wear away from the fluid end block.

Wedge bolts and modular rod sections replace wear-prone clamp areas, cutting pump maintenance time and avoiding specialized tooling.

Rigid weld caps and swaged plugs seal flow substrates under extreme flow and heat while preserving fluid purity and serviceability.

A capped flow substrate uses variable conduit sizes and leak-tight sealing to handle extreme flow rates and high temperatures with less maintenance.

An electric pump adapter replaces gravity-fed valves to deliver leak-free, one-handed water access with less waste across container sizes.

By removing the built-in battery, this air pump avoids travel security limits and high-temperature risks while staying portable via external power.

Mechanical anti-backlash using a spring-loaded lead screw and linear slide keeps inline fluid dispensing accurate without software changes.

A blind-bore plunger with circulating coolant and a conductive heat exchanger lowers plunger and packing temperatures in high-pressure pumps.

A sliding pressure-relief sleeve vents trapped high-pressure air while preserving sealing, making valve stem removal easier.

An asymmetric non-circular piston suction valve cuts bending stress in reciprocating compressors while maintaining gas intake and valve life.

A ceramic insert at the valve seat bore and seating surface cuts erosion and corrosion in fracturing pumps while simplifying replacement.

Guide-grooves and micro-holes keep the exhaust path open in a deformable vacuum pump valve module, easing mounting while sustaining vacuum.

A spring-loaded linear slide removes lead screw backlash in inline fluid dispensing, enabling ±10 picoliter accuracy without software changes.

Longitudinal guide-grooves and micro-holes keep exhaust paths open in a deformable vacuum pump valve body, simplifying assembly and sustaining vacuum.

Rotating fins create a pressure differential that expels water and debris from a clutched accessory pulley to reduce ingress and freezing.

A centrally supported duplex pump drive head removes opposing end supports to cut weight, avoid interference, and simplify repairs.

An external hydrostatic servo assembly uses an adjustable centering mechanism to improve precision, simplify mounting, and fit different displacement units.

An extended stem lets the lubrication orifice be removed through the nose plate, cutting pump power-end service downtime.

A ball valve and check valve in series block reverse airflow, debris, and oil re-entry after pump shutdown, preserving HVAC vacuum.

Microscopic hook-shaped anchors strengthen elastomer-to-insert bonding in membrane pumps, reducing detachment, air ingress, and process complexity.

Axial force drives a lock ring into a groove to hold a fluid-end plug under pressure and avoid thread-related leaks.

A dry-running motor-pump aggregate uses double diaphragms to generate vacuum without lubrication.

Threaded disc anchors tool in fluid end channel while ram pushes packing out, resolving efficiency and reliability trade-offs.

A dual acting pressure boosting liquid partition device maintains a constant gap between its rod and cylinder housing to enable smooth pumping.

An injection-molded valve block integrates flow passages and valve seats into a single component.

A spring-biased throttling device adjusts airflow via a movable throttle to regulate fluid dynamics in piping systems.

A DC air conditioning compressor drive unit uses a brushless motor and piston mechanism to replace traditional pulley systems.

Retaining portions engage cylinder holes to eliminate threaded assembly, reducing wall thickness and material costs while maintaining structural integrity.

A spring-biased terminal plug maintains electrical contact within a sealed compressor shell, resisting vibration-induced connection loss.

A piston compressor uses a ball screw drive to convert rotary motion into precise linear displacement for accurate fluid compression.

An elastically deformable spring section in the rotating valve part distributes force symmetrically around the axis of rotation.

Mixed blade types resolve centrifugal force limitations by directing airflow along the shaft, reducing motor heat accumulation.

Internal heat exchanger uses leakage volume flow to dissipate thermal energy, eliminating external water ingress risks and reducing cooling surface area costs.

A multi-port thumb pump cylinder integrates a vacuum manifold to distribute suction pressure across multiple ports simultaneously.

A one-piece valve element integrates the actuating section and shut-off body to separate piston and dead spaces in a compressor.

Rear lighting mounts on a pivotable cover that moves with the feed hopper opening.

Sintering molding forms the piston and cylinder directly, eliminating mechanical processing defects.

A piston sealing device uses a sliding skirt with an internal pressure channel to expand a continuous ring against the cylinder wall.

Downstream filtration and PEEK pistons resolve debris complexity while maintaining reliability.

One-piece valve plate with screw connection simplifies compressor structure, reducing manufacturing costs and increasing refrigerant throughput.

A rotary adsorption dryer routes dried compressed air through a dedicated cooling zone to lower rotor temperature without compromising the desiccant medium.

Segmented threaded ring and anti-twist cover dissipate axial forces, reducing wall thickness and weight while maintaining connection reliability.

Segmenting the discharge and communication passages prevents foreign matter intrusion into the back-pressure chamber, maintaining spool operation reliability.

A downhole hydraulic directional control valve uses a plunger assembly to shift the valve core and redirect power fluid flow.

A slide bearing arrangement uses variable radial clearance to reduce pressure per unit area on the drive shaft.

Synchronizing discharge timing with suction timing eliminates additional connecting volume, reducing power loss and leakage risk.

Integrating the oil inlet into the pump body eliminates external piping, preventing leakage and extending riveting tool service life.

A plunger pump fault diagnosis module uses embedded temperature sensors to monitor lubricating oil conditions within the motion component.