Flexible Member Pumps TRIZ Cases

A three-phase power cable uses a welded metal tube and fluoropolymer encapsulation to protect phase conductors.

A floatable bellows container assembly expands via water inflow to maintain internal pressure using buoyancy and Pascal's law.

A tube pump rotor uses a joint shaft and press member to enable compact peristaltic fluid transport.

Segmented valve design enables pump rotor replacement through the bore, reducing relocation time for production strings.

A longitudinal stretching actuator drives fluid flow through a stretchable tube by generating and reflecting mechanical waves.

Integrating a water treatment system inside the pump riser prevents freezing risks and borehole blockages from precipitated iron compounds.

Spring-biased jaws dynamically adjust to varying tube diameters, preventing conduit displacement and ensuring precise liquid dispensing accuracy.

A diaphragm pump dispenses liquid in pulsed bursts via a release valve, enabling accurate volume delivery without requiring continuous operator monitoring.

A diaphragm pump uses a mechanical feedback valve to control stroke position and prevent over-extension.

Nested dual plungers with different cross-sectional dimensions pump fluid through a shared chamber, preventing small diaphragm failure during microdosing.

Actuator-driven membrane generates airflow without bulky fans, reducing sensor size and power consumption.

Back-and-forth liquid flow in a mixing chamber mixes cells with lysis buffering agents, preventing genomic DNA shearing during automated plasmid purification.

A controller monitors pump frequency response to determine fluid level without mechanical sensors.

Electroactive polymer strips expand to pump fluid and change electrical resistance to measure internal pressure within a passage member.

Electromechanical gel deforms via electric fields to pump fluids, eliminating complex MEMS manufacturing.

A continuous vent channel dilutes solvent vapor to prevent condensation in vacuum degassing pumps.

An integrated positive displacement pump moves fluid within sealed channels, eliminating contamination risks from external pump connections.

A U-shaped casing configuration near the inlet port reduces pressure drop and enhances fluid flow stability within a syringe-less injection system.

Calculates flow from motor signals to protect centrifugal pumps, eliminating traditional sensors and reducing device complexity.

A dispensing device uses a rotatable roller element to actuate a pump mechanism for liquid discharge.

A longitudinal assay method generates binding curves through temporally spaced fluid passes across capture agents to detect labeled analytes.

Linkage mechanisms coordinate pivoting doors with sliding occlusion beds to secure tubing in peristaltic pump assemblies.

A peristaltic pump with a translationally movable rotor resolves the trade-off between tube loading ease and pumping pressure.

A reciprocating linear motor pump actuates a piston via expandable materials to move wellbore fluids.

A diaphragm pump device hydraulically couples two pump heads to deliver fluid efficiently.

A bi-directional air distribution system with a tire-mounted pumping tube moves ambient gas into the tire cavity.

Segmented variable frequency drives and soft-starters reduce power consumption by allocating energy only where adjustable pumping rates are required.

Inwardly projecting rib guides fluid flow in micro-pump chambers to establish a single advancing front during priming.

A peristaltic pump compresses a dispensing tube to move viscous liquids through a lower valve with precise control.

Electromagnets actuate a magnetoactive elastomer conduit to reduce fluid pulsation and minimize flexible conduit wear in peristaltic pumps.

UV-grafted copolymers covalently attach to cyclic olefin substrates, resolving biofouling and consistency issues in microfluidic droplet manipulation.

A two-axis adjustable mud pipe joint swivels and extends to maintain continuous fluid flow between a stationary tank and a moving drilling rig.

Segmented dielectric oil chambers with metal bellows prevent electrical shorts from well fluid contamination in high-pressure submersible motors.

Electromagnetic diaphragm pump evacuates aircraft grey water, eliminating cavitation damage and clogging from foreign bodies.

An elastically compressible pad seals flexible film pipes in a disposable circuit, eliminating complex cleaning operations for single-use applications.

Segmented electrodes enable reversible pumping with reduced power consumption, avoiding the high energy costs of piezoelectric alternatives.

A unibody bypass plunger integrates a hollow body and valve cage to simplify construction.

An electromagnetic actuator drives a movable magnetic component to reciprocate, enabling a blade to generate airflow for heat dissipation without high voltage.

Thermal expansion of an internal sidewall coil maintains resonant frequency matching across temperature variations.

Vented bypass sleeves in tapered multistage plunger lifts reduce friction and wobble, boosting fluid production rates from 40 to 200 barrels daily.

Vertically offset interior and exterior support sections reduce stress concentrations at the wall interface, extending service life to 1200 hours.

Real-time sensor data drives autonomous pumping rate adjustments, resolving manual operator dependency and improving treating pressure accuracy.

A peristaltic pump tube carries an RFID transponder that communicates identity and usage data to the pump reader.

Mechanical negative feedback in the membrane pump outlet valve prevents oscillation and ensures accurate fluid metering at low flow rates.

Power converter monitors rotational speed and active current to generate torque reduction signals for compressor protection.

An infusion pump uses an occlusion sensor to detect reverse tubing loading and stop the motor.

Segmented capacitive sensors and feedback logic detect dielectric buildup false positives, adjusting pump switching to prevent flooding or motor burn-out.

Nested drive shafts reduce device footprint while enabling independent speed and direction control for each channel.