Flexible Member Pumps TRIZ Cases

Series pump chambers with 180-degree phase offsets resolve the contradiction between miniaturization and bubble tolerance in microsystem applications.

Electrostatic actuation of polysilicon membranes creates unidirectional gas flow in a particle detector, eliminating stiction and reducing power consumption.

A diaphragm pump uses a separate photoelectric shielding sheet on the eccentric wheel to detect motor shaft speed via a base-mounted sensor.

A peristaltic pumping segment uses sharp interior notches to reduce the force required for flow shut-off.

A downhole pump controller compares forward and reverse stroke pressure differentials to identify half-stroking onset.

Solar-powered cranked rod pumping apparatuses eliminate walking beam complexity by using pneumatic counterbalancing for remote well operation.

A control system manages three submerged pumps with a primary unit running continuously to minimize energy consumption.

A rotary carousel hose pump fills liquid containers using a cam track to drive rollers, eliminating electric drives and reducing device complexity.

A gas driven pump uses a shared wall and manifold switching mechanism to route compressed air for liquid displacement.

A pad plunger uses an airfoil seal to reduce drag during wellbore ascent.

A jet pump driver adjusts drive frequency to optimize production parameters.

A positive displacement pump uses a magnetically conductive guide sleeve to transfer magnetic flux efficiently.

Particles in the adhesive maintain spacing between vibrating and flexible plates, preventing blockage and ensuring stable pressure-flow characteristics.

Donut magnets provide nonlinear actuation in a downhole fluid pump, preventing backflow and reducing installation errors in deep wells.

A diaphragm pump uses a segmented reservoir to divert overflow fluid during overpressure events.

An inflatable shoe tongue expands to enlarge the opening and contracts to secure the instep.

A spring-loaded clamping blade secures flexible tubing within a volumetric pump housing to prevent unintended fluid flow.

A miniature pump uses pneumatic pressure to compress a deformable membrane, discharging liquid from an integrated reservoir into microfluidic channels.

Isobaric pressure exchangers in an integrated manifold transfer pump discharge pressure to fracturing fluid, extending high-pressure pump lifespan.

Flexible arms pivot independently to reduce flow pulsations and improve compression consistency in peristaltic pumps.

Straight line gore construction reduces clefting and hoop stress while enabling scalable template manufacturing.

A fuel pump diaphragm device uses a mass addition member to alter characteristic frequencies and reduce pressure pulsation.

A high-pressure compressor uses equal-volume working spaces to switch between parallel and series configurations for variable compression ratios.

Site controller dynamically adjusts hydraulic fracturing rig parameters to minimize fuel consumption and emissions output.

A cyclonic debris removing valve uses angled veins to impart rotation on fluid flow.

A membrane pump design featuring a central section thicker than the periphery section with beveled inner walls in the pump chamber, allowing for progressive deceleration of the pump stroke.

An inclined surface mechanism synchronizes primary and secondary fingers to eliminate gaps against infusion tubes.

A peristaltic conveying wheel compresses an elastic hose to move powders horizontally without gravity reliance.

A multi-stage plunger lift tool partitions well tubing using an expandable bushing to isolate discrete fluid sections.

Piezoelectric actuators compress reservoir walls to displace fluid, enabling miniaturization while maintaining precise volume control.

Prestressing the dosing pump diaphragm eliminates alternate bending, extending service life and enabling reliable operation at very low fluid pressures.

Multi-material additive fabrication reduces dead volume and hydraulic resistance in miniaturized diaphragm pumps, enabling low-cost prototyping.

Edge baffles channel flow parallel to membrane displacement, eliminating transverse turbulence that reduces hydraulic power.

Release means in the pump casing secure generic flexible tubes, reducing operational expenses while maintaining fluid pressure control.

Merging control and flow layers into one elastomeric matrix eliminates alignment steps, lowering tooling costs for active microfluidic fabrication.

A double diaphragm pump uses a ball joint and drive piston to move membranes without lubricants.

A hydraulic pumping apparatus uses a directional control valve to manage fluid flow during piston movement.

An electronic auto-catcher actuates a stem adaptor to catch and release well plungers in oil lubricators.

Matching thermal expansion coefficients stabilizes vibrating plate geometry, preventing pressure-flow rate variations caused by temperature changes.

A magnetically coupled piston and diaphragm mechanism changes pump cavity volume to move fluid, eliminating mechanical pulsatility in extracorporeal processing.

Automated phasing detection eliminates manual trial-and-error downtime during downhole pump startup.

A piezoelectric pump uses distributed check valves across diaphragm regions to reduce flow path resistance and increase fluid transfer.

Integrating a single pump reduces casing gas pressure while eliminating separate compressor complexity.

Segmented membranes create pressure changes to boost fluid flow rates while lowering operating power consumption.

A fluid pump uses a secondary cavity to separate the actuator mount from the side wall, enabling axial deflection of the end wall.

An electro-osmotic pump uses reversible silver oxidation and reduction reactions to eliminate gas production while maintaining continuous fluid flow.

Downstream reference electrode placement maintains electrowetting actuation over centimeter distances for precise fluid transport.

A three-position pinch valve mechanism manages fluid tubes in surgical pump systems, eliminating manual toggling during setup and teardown.