Positive Displacement Pump Components TRIZ Cases

A switchable bypass path and base seal redirect coolant and close ports when the pump is removed, preventing leakage during server maintenance.

A passage guide redirects shell refrigerant around the frame and discharge cover to improve heat exchange and protect compression efficiency.

See how a balance hole or weight on the rotor adjusts unbalanced load from the main shaft part,

See how a concave outer surface with stiffening ribs and polymer-glass composite construction r

See how integrating gas-side and liquid-side filters and stop valves inside the outdoor unit pa

See how an integrated pump body support leg merges mounting, structural support, and vibration

See how a piston-driven pump uses reciprocating suction through nozzles to remove liquids from

See how a polyvinyl ether oil with epoxy and phosphate additives maintains hydrofluoroolefin st

Two inlet check valves with different cracking pressures improve pump chamber filling, vent trapped air, and maintain liquid or foam dispensing.

See how segmented shell covers, thermal insulation members, and reinforced coupling reduce fram

See how a concave outer surface with ribs and projections increases cylinder head stiffness aga

By recessing the pump inside the air chamber, this case reduces peripheral panel strain, air leaks, and inflation noise.

See how a dual-duct separation configuration extracts gaseous refrigerant from control mass flo

See how balance holes in the rotor counteract unbalanced load from the crankshaft oil feeding p

See how dual cooling air inlets and segmented ducts reduce pressure loss and increase flow rate

See how integrating gas-side and liquid-side filters inside the outdoor unit package eliminates

See how a rotatable control panel and universal mounting interface enable a single pump to hand

See how dynamic motor frequency adjustment maintains resonant phase between piston stroke and c

See how a nested sealed box and multi-chamber muffler reduce vacuum pump noise in refrigerators

See how an air pump inside a drinking lid uses pressure cycles and valves to push liquid throug

See how a second coolant loop stabilizes supercritical CO₂ temperature by cooling the heat exch

See how a piston seal moving past vent openings automatically ends suction and seals the valve,

See how a suction pump with piston-controlled ventilation openings eliminates complex valve sys

A rotating pump mount and shock-absorbing supports help refrigerated transport enclosures maintain compressor oil return and stable temperature.

See how a bidirectional AC motor pump with integrated communicating path reduces air-induced no

See how integrating power electronics temperature feedback into central HVAC control prevents o

A gas layer between the discharge cover assembly and frame insulates hot refrigerant gas, cutting frame heat loss and preserving compression efficiency.

See how integrating a bent fluid channel into the compression chamber housing eliminates adapte

See how a dual-plenum discharge cover assembly minimizes refrigerant contact with cold surfaces

See how a baffle-and-pipe muffler stabilizes refrigerant flow between expansion device and indo

See how a handheld inflator eliminates gear complexity with direct motor-to-rotor coupling and

A stepped cantilever MEMS actuator uses piezoelectric resonance to drive fluid flow, improving chip cooling with lower size, noise, and power.

See how a stepped cantilevered actuator uses resonant vibration to drive high-speed fluid flow

See how a piston-mounted heat-absorbing structure and hydraulic fluid gap maintain gas temperat

See how tool-less removable electric gear pumps replace CO₂-driven diaphragm pumps to eliminate

See how merging suction and bleed valve functions into one assembly enables rapid liquid refrig

Replacing elastic mounts with a rigid curved support helps suppress low-speed resonance, vibration, and compressor noise.

See how a segmented piston pump with replaceable cartridge simplifies reservoir coupling in und

See how a resistor-based separator removes oil from refrigerant before compression, preventing

See how a removable pump fits into the brewing chamber to force cleaning fluid through the brew

See how dedicated valve cycling with minimum delay and no maximum dwell time enables precise ca

See how a dual-stroke piston pump injects air to displace viscous materials from the discharge

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

See how an unbalanced motor directly actuates a diaphragm to eliminate solenoid coils and cam m

See how sequential diaphragm activation and wobble-plate coordination control air-to-liquid rat

See how repositioning the oil separator outlet from vertical to horizontal prevents oil leakage

See how a nested inlet pipe with variable inner diameter reduces refrigerant pressure loss by 6

A controller alternates integral suction cutoff unloader valves across cylinders to distribute cycling duty and extend service life.

See how a pressure-driven pump uses water pressure to meter, mix, and dispense treating chemist

A shaft-driven fan cools bearing-box oil through finned tubing inside the coupling housing, avoiding water supply and external fan hazards.

An integrated air-guiding structure channels fan-driven airflow through a compact inflator to improve heat dissipation and extend compressor life.

A shared pump-compressor and fluid path delivers wash liquid or ambient air to clean vehicle sensors while preventing freezing and fouling.

A single motor and rotary-to-linear drive synchronize two pumps to hold mix ratio and pressure until spray-time mixing.

Separately controlled valves let a high-pressure plunger pump reverse operation, recover expansion energy, and generate electricity.

Removing the non-magnetic bushing lets the winding support guide the piston, cutting eddy-current loss and boosting pump flow and pressure.

Forced reverse-flow regeneration restores desiccant drying during continuous air supply, limiting humidity rise in pneumatic systems.

A controller varies reverse-flow regeneration capacity by desiccant deterioration to sustain compressed-air dehumidification performance.

A shaft-and-pressing-part cover mount keeps an elastic soundproof cover from shifting on a vibrating compressor housing, preserving noise absorption.

Hydraulic oil surrounding the steering pump motor removes heat during normal operation, cutting installation space and preventing overheating.

A two-stage piston compressor raises air suspension pressure without losing useful air volume, improving adjustment sensitivity and ride comfort.

Modular partial casings use adhesive sealing to protect MPE axle construction groups from water and EMC exposure while preserving access.

A radial groove in the piston seat locks the guide element axially, removing caulking to cut brake actuator assembly time and cost.

Standardized mounting sections and sealed fluid ports let active suspension pump and consumer units fit varied vehicle installation spaces.

By fixing the rotation position sensor substrate to the case instead of the stator, this motor design simplifies replacement without full disassembly.

An electromagnetic linear drive replaces belt and crank mechanisms to cut bearing losses, simplify sealing, and raise compressor pressure gain.

A layered hydrophobic and water-absorbing gas diffusion layer prevents anode drying and lowers ohmic impedance in electrochemical hydrogen compressors.

A retainer and trench lock the air compressor motor to the body without screws, easing tight-space assembly while maintaining secure fixation.

Reduced ion pump voltage enables pressure-based NEG heating control, preventing unsafe regeneration pressure and pump deposition.

Adjustable uprights, feet, and adapters let replacement pumps match existing inlet and outlet plumbing without costly modifications.

A sleeve-to-housing damping member absorbs piston shock in an electronic brake pressure supply unit, cutting vibration and noise.

A dual sealing surface lets a pressure-loaded electrical feedthrough stay sealed in compressor-expander housings, even at low or no pressure.

Angled gas-deflector channels redirect coherent jets between pressure stages, cutting gas transport, pumping load, and beam scattering.

Hooked fixing portions lock the motor to the compressor body without screws, simplifying tight-space assembly and preventing detachment.

Locking extensions replace screws to secure the compressor motor while allowing tool-assisted removal in tight accommodation-box space.

A pump nested inside the motor uses radial cooling channels so the working fluid handles both pressure delivery and rotor-stator cooling.

Integrated radial and axial coolant passages improve motor and bearing cooling while reducing compressor bulk, cost, and wear.

A lock arm, moveable pin, and elastic C-ring create quick airtight connections across Schrader and Presta valves without bulky interchangeable parts.

A detachable flange lets ion getter and NEG pumps be swapped in a compact stack, saving installation space and simplifying vacuum maintenance.

An elastic member and cover keep the overload detection device aligned and pressed to the compressor casing for stable sensing.

A delayed control valve vents impurity-laden startup air before it reaches the desiccant, preserving drying performance and service life.

A closed-loop hydraulic actuator replaces reservoir tanks and pumps to cut weight, noise, and maintenance in vehicle body motion control.

A motor fixing ring creates an air gap in the inflator so fan-driven airflow can remove motor heat and prevent overheating.

Antiphase damping valve switching counters pump pulsation in an adjustable oscillation damper, cutting noise without extra pulsation hardware.

A virtual pole and transverse-flux motor layout stabilize piston reciprocation while reducing compressor height, stress, and friction loss.

Specific pump sleeve geometry and spring-biased cam contact help an integrated drive generator maintain stable power frequency under varying shaft speeds.

Pressure-driven gas bearings keep the thermo-pump shaft off the casing, reducing wear and extending life in clean high-pressure operation.

A spring-loaded closing body and separate valve seat simplify pump assembly while preventing backflow and maintaining high fluid pressure.

A multi-part axle housing uses sealing adhesive at dividing lines to balance tight environmental and EMC sealing with easier assembly and repair.

Locking extensions and coupling orifices secure the motor without screws, while a removal tool enables fast disassembly in tight spaces.

A case-mounted rotation position sensor substrate uses stator alignment and case fixing to simplify replacement while preserving positional accuracy.

Pre-arranged wiring posts and aligned connectors guide compressor lead wires in one direction, improving assembly pace and reducing uneven terminal force.

A disconnectable motor and pump head lets one portable unit power multiple personal care attachments while simplifying charging and reducing cost.

Locking extensions and coupling orifices secure the air compressor motor without screws, simplifying assembly and removal in tight box space.

Body posts, motor cavities, and a screwless retainer lock the air compressor motor securely in limited space and resist accidental removal.

Locking extensions replace screws to secure an air compressor motor in tight space while enabling faster removal and stable operation.

High-pressure air cleaning can add moisture; this case integrates compression, drying, and storage to quickly clear vehicle sensors.

A check-valve connector blocks reverse sealant flow at the tire nozzle, preventing messy spray during incorrect compressor operation.

A threaded sleeve, cylindrical base, and valve bolt stop sealant eruption and counterflow during tire repair and inflation.

A replaceable wear plate lets a remanufactured fuel pump yoke reuse the core body, cutting wear-related service and replacement costs.

Sealed compartments, a diaphragm barrier, and spiral gears keep the oral irrigator pump working in wet or submerged use while protecting electronics.

A manifold plate combines air and liquid channels to simplify cylinder head interfaces, improve fit across compressor layouts, and boost cooling.

A nested hydraulic pump inside the motor rotor cuts controller count, reduces cavitation wear, and uses pump fluid to cool the housing.

A nonlinear airflow path redirects pump and motor sound waves, reducing audible noise during discreet urine extraction.

Reciprocating pistons can drive compressor vibration; outer-wall ribs stiffen the cylinder block and limit displacement and deformation.

Openings reduce idle-gear inertia while a heavier driven gear and shaft approach power-gear inertia to suppress rattle and stabilize rotation.

A dual-shaft motor drives multiple plunger pumps to deliver high-pressure hydraulic oil at different flow rates in one compact casing.

Separate power and inflating units switch between compact and handheld forms, while full detachment supports maintenance.

A secure syringe clamp enables pneumatic pumping up to 100 psi without a pressure chamber for compact, accurate microfluidic processing.

Tappet pilots piston return spring seat via tight radial clearance to bear side loads.

Asymmetric geometry eliminates threaded connections in pump fluid ends, reducing fatigue failure and extending component lifespan.

Auxiliary fuel chamber collects high-temperature leaked fuel from the plunger clearance for external cooling.

An air compressor uses an enlarged upper compartment to store pressurized air and reduce flow resistance.

Extending the screw hole counterbore to the tapered portion boundary absorbs bolt tightening distortion, reducing gas leakage and sliding loss.

Axial guide grooves align with piston movement to eliminate perpendicular flow resistance and improve suction efficiency.

Segmented mounting device with movable cradle enables rapid progressive cavity pump replacement, eliminating lengthy disassembly and reducing alignment errors.

Thermal expansion and contraction create an interference fit in the flow cage assembly, eliminating threaded connections and sealing members to prevent leaks.

Fluid pressure actuates a sliding seal member to prevent dry running wear during non-lubricated operation.

A dental cleaning pump assembly uses magnetic coupling to transmit drive motion without mechanical contact.

Segmented cavities mitigate broadband noise without adding mass, resolving the trade-off between structural integrity and acoustic performance.

Composite polymer coating eliminates lead content while maintaining seizure resistance under severe sliding friction conditions in carbon dioxide systems.

A sampling pump uses two reciprocating pumps with opposing impact directions to counterbalance mechanical vibrations.

A backflow channel connects the delivery chamber to the pressure connection, allowing medium to flow back and gas to escape.

A rotary pump uses two pistons guided by a cam to deliver continuous fluid flow without pulsation.

A segmented protective cap with a clearance slot mounts over an electrically operated intake valve plug on a high-pressure fuel pump.

A reciprocating compressor piston features a bearing portion shorter than the cylinder oil pocket to reduce sliding contact area.

Plastic injection-molded suction pulsation damper prevents core rotation during coolant flow, reducing assembly complexity and manufacturing costs.

Replaceable liners in a multi-head pump allow fast switching between chemicals without surface changes, reducing system complexity and maintenance costs.

Replacing meshing gears with a cam mechanism reduces noise and wear while extending the service life of oral irrigator pumps.

A vacuum pump control device uses a cooling jacket with inner and outer surfaces to transfer heat from electrical components.

A center rod plunger with a clutch assembly controls fluid flow by varying shaft friction, removing accumulated fluids from oil and gas wells.

A linear compressor cylinder uses asymmetric gas supply ports to create differential pressure for stable piston levitation.

A partition member and labyrinth oil separator collect lubricant droplets to prevent discharge into the intake chamber during high return speeds.

A high pressure pump relief valve uses a segmented member and limiting portion to open the inlet under excessive pressure.

A back pressure control valve balances rotor thrust to reduce bearing load and improve compression efficiency.

Curved protrusions on compressor shells increase structural rigidity, reducing high-frequency noise radiation without adding housing weight.

A compressor design balances motor and drive unit imbalances to eliminate vibrations.

Decoupling the cooling fan from the compressor revolution rate prevents overheating and ice formation while optimizing energy consumption.

An elastic cushioning member absorbs impact forces from direct valve collisions, reducing noise and preventing damage while allowing for a thinner valve design.

A horizontal liquid paint pumping apparatus uses a plastics cage to guide the ball member, reducing wear and noise while preventing leakage.

Merging inlet and outlet check valves into one integrated unit reduces component count, lowering assembly costs while improving pump reliability.

A calotte-shaped rod end and traverse recess shift the contact point closer to the axis.

Replacing costly RFID scanners, the inductive identification system measures coil inductance changes to identify infusion pump cassettes accurately.

A sewing machine air pump uses a cam-driven piston to deliver consistent compressed airflow without external power.

A low-pressure damper with symmetrically arranged elements reduces pressure pulsations in high-pressure fuel pumps.

Upward discharge port and tubular cover restrict condensate scattering while muffling member absorbs acoustic energy from rapid air release.

A lever press structure with hanging arms and elastic members secures bicycle pump nozzles.

A cylinder cover uses spaced support projections to absorb valve pressure through elastic deformation.