Oscillating Piston Pumps TRIZ Cases

See how an integrated piston and one-way valve system enables manual vacuum sealing through rot

See how an integrated piston and one-way valve system enables manual vacuum sealing through nat

See how a nested partition wall and separation plate merge two-stage compression into one compa

See how an integrated piston pump with one-way valves enables vacuum sealing through natural ro

See how an integrated piston and one-way valve system enables manual vacuum sealing without ext

Matched side-cover cylindrical portions and a low-pressure oil passage limit junction distortion and prevent fretting corrosion in swing vane pumps.

A low-pressure passage and shape-matched side covers limit junction distortion and prevent fretting corrosion in vane pump actuators.

A rotating magnetic field drives a constrained wobble plate to pump blood with far lower shear and no shaft seals or artificial valves.

Shaft locking elements in a fiber-reinforced polymer screw rotor prevent axial and rotational slip while cutting weight, waste, and finishing steps.

An insert extending beyond the piston hollow cuts dead volume from water compressibility while stabilizing position and allowing cooling flow.

Angled fluoropolymer cup seals with carbon, graphite, or MoS2 fillers cut compressor seal wear and extend fluid-tight service life.

Pliable rings secure a hollow-piston insert against deformation and wear while allowing cooling fluid flow and lower manufacturing cost.

A lever-driven oval gear layout balances rotating mass and cuts lateral piston forces for smoother, lower-cost rotary-to-linear conversion.

Independent dual-action compression chambers let each MVC stage tune flow rate and compression ratio, cutting entropy, energy use, and heat-exchanger area.

Timed rotary slide valve closure compresses residual gas near top dead center, cutting pressure differential and wear in piston gas expansion.

Discrete demand signals control chamber valves to match multi-actuator hydraulic flow, cutting energy waste and preventing engine droop.

Active low-pressure valve control varies working chamber displacement to match actuator demand, improving hydraulic energy use and stability.

A dual-inlet rotary vane pump evacuates two vacuum chambers with one outlet, cutting pump-down time, space, and maintenance cost.

Liquid channels feed slipper pressure grooves to counter force imbalance, preserve uniform gaps, and reduce pump wear.

Fan-shaped insert compensates radial gap under pressure, resolving manufacturing complexity and sealing reliability trade-offs.

A gas ejection apparatus compressor waits in an intake completion state to enable immediate gas release upon activation.

Oscillating rotors define variable volume chambers to conserve momentum and eliminate piston reversal inefficiencies.

A roticulating rotor pivots piston members to displace fluid without crank translation.

Segmented pumps recover brine energy to reduce consumption while maintaining reliable desalination.

A pumping device pressure adjusting unit partially releases air pressure in the receiving chamber to ensure safe operation.

A rotation device uses a toothless gear to drive vanes for compressed air generation.

Housing cooling openings enable convective piston cooling, resolving the efficiency versus working volume trade-off.

A spherical compressor design uses a sliding chute swinging mechanism to enable piston and turntable rotation.

Hydraulic radial fluid device with programmable cams actuates rotor blades, eliminating redundant electrical systems to reduce weight and power consumption.

A beaded cylindrical cam converts rotational hub motion into oscillating translatory movement for tire inflation.

Turnable bearing arrangement uses hydrostatic pressure between perforated discs to generate oscillatory motion in a chain saw.

Segmented camshaft core and sleeve design distributes mechanical stress, enabling higher fuel pressure without compromising pump durability.

Segmented sealing elements on the piston reduce friction and manufacturing costs, enabling high-pressure viscous fluid transfer.

A portable transdermal drug delivery device uses a detachable micropump to move medication through skin.