Flexible Member Pumps TRIZ Cases

A reciprocating plunger pump uses a pull mechanism to transfer tensile forces during suction strokes.

Axially offset membranes route inlet and outlet valves inside the pump housing, eliminating external lines to reduce leakage risk.

A self-propelled plunger uses a spring to store energy during descent and release it for uphole lift.

A unitary fluid flow apparatus integrates pumping and valve mechanisms to inflate and deflate inflatable devices through a single housing.

A pneumatic control system replaces mechanical shafts in an air-driven pump, enabling flexible stroke timing while eliminating complex pilot structures.

A dual piston pump system pressurizes and displaces fluid through a test manifold assembly.

Gas filled chamber moves liquid samples via pressure gradients, eliminating external ports and reducing contamination risks in point-of-care testing.

Segmented linear and spherical bearings constrain the shoe to minimize occlusion force, preventing hemolysis in biological fluids.

A downhole hydraulic pump with a rotatable piston housing maximizes fluid power output, resolving insufficient driving force caused by spatial restrictions.

Securing hooks and an arch couple the pressure plate to hinge pins and a latch, minimizing contact point variations from manufacturing tolerances.

Automated pumpable resin system manages injection volumes and hydraulic pressure through a digital control module.

A peristaltic pump incorporating a releasing system with movable contrasting elements to reduce compression forces on fluid lines.

A pump head design integrates a thumb hole and non-return valve to enable safe fluid dispensing in sterile environments.

Metal injection molding produces integrated stainless steel rockers that reduce material waste and eliminate surface treatments.

A four-cylinder diaphragm pump uses phase-shifted drive mechanisms to expand and contract chambers.

An inner sealing element prevents unfiltered fuel from contaminating the separated water in the collection chamber during maintenance.

Coordinated sheath and waste pumps propagate pressure pulsations through flow channels to clear blockages, reducing manual intervention time.

A double connector integrates a pressure chamber and coplanar channels into a single tubular insert.

An acoustic flap valve and flexible isolator maintain pressure oscillation amplitude at high frequencies without mechanical inertia.

Compressible elastomeric member generates negative pressure vacuum through cyclic compression and expansion.

Replacing reduction gearing with a stepper motor eliminates device complexity while enabling variable pressure control for pumping viscous liquids.

A piezoelectric pump adjusts flexible plate tensile stress via cover member deformation to optimize natural vibration frequency.

A fluid handling device uses a substrate with interconnected grooves and a film joined to cover them, creating a specific joining area.

A valve spool manages hydraulic fluid volume between a transfer chamber and reservoir to maintain precise elastomeric diaphragm positioning.

A single variable frequency drive sequentially powers hydraulic pumps via a control system switch.

An electrostatic disc pump drives fluid flow using reversible electric fields to oscillate a conductive actuator plate.

Deployed downhole blowers boost well production by creating pressure differentials that overcome declining reservoir pressures.

Integrating a pressure compensation device and gas mitigation assembly with the linear pump prevents overheating in low production wells.

Merging the hollow pump body and rigid part into two components eliminates assembly variability, ensuring reliable sealing and consistent flow rate precision.

Injection molding creates hoses with tight dimensional tolerances, eliminating the need for individual tension adjustments to ensure consistent flow rates.

Accordion-shaped bellows modules equalize wellbore and motor pressures, preventing seal breaches caused by static head increases during operation.