Flexible Member Pumps TRIZ Cases

Lateral flanges on an arcuate compressing surface constrain positional offset of the elastomeric hose, reducing abnormal abrasion and extending service life.

Pressure exchanger lifts used drilling mud via hydraulic energy transfer, eliminating diaphragm rupture and reducing excess heat generation.

Current-based peristaltic controls measure pump speed through motor current draw, reducing syrup dispensing error margins from ±10% to under ±5%.

An integrated bellow and valve assembly reduces component count while maintaining reliable fluid flow in dispensing applications.

A pumping apparatus uses a positioning sensor to detect force applied by the pump set, allowing for compensation of volume changes.

Diaphragm movement controls fluid flow direction, reducing leakage and oscillations in rotary pumps.

Obliquely angled piping segments simplify field connections for electrically powered hydraulic fracturing units.

A spring-loaded regulator maintains constant compression force on the pump tube, resolving inconsistencies caused by component manufacturing variations.

Segmented valves isolate regeneration phases to prevent pressure loss, reducing compressor energy consumption.

Threaded spline inserts replace worn barrel splines to restore engagement while retaining non-worn components and cutting remanufacturing costs.

Variable stroke speed in a metering pump ensures rapid check valve closure, preventing leakage losses at low delivery flows.

Side-by-side gas pumps in a miniature device resolve the contradiction between reduced volume and manufacturing precision while boosting flow capacity.

A suction device uses a piezoelectric element to displace a diaphragm surface for fluid removal.

A wedge shape memory actuator uses a flexible printed circuit to transmit reciprocating motion from the drive member.

Multiple smaller diameter tubes in a peristaltic pump head increase fluid flow capacity while maintaining structural integrity under pressure.

A valve assembly uses a torque limiter mechanism to resist rotational movement until sufficient radial force opens the resilient seal.

Flexible container discharge pump uses roller parts on an endless transfer mechanism to squeeze a passage part and move liquid.

A passive dampener device with an air headspace smooths pulsatile fluid flow in microfluidic systems.

Double-walled bellows pumps monitor annulus fluid to detect leakage and prevent drive fluid contamination.

An oil pumping apparatus uses a motor-driven roller and belt system to dynamically adjust the hanging frame position for stable operation.

A microfluidic device uses asymmetric fluidic and pneumatic sections to achieve high integration density.

A ribbon drive power generation system converts fluid energy into electricity using a flexible curved ribbon and magnetic clutch.

A modulator module creates flow fluctuations to generate mechanical vibrations, powering remote downhole equipment without wireline connections.

A plasmonic pumping system uses a thermoresponsive polymer film to actively transport analytes through localized heat generation.

A peristaltic pump precedes a diaphragm dosing unit to ensure continuous medium delivery under pressure.

Horizontal rack and pinion mechanism drives long strokes without increasing machine height, resolving energy efficiency and structural complexity trade-offs.

A reciprocating pump uses separate thrust and return cams to drive pistons via rocker arms, enabling independent control of delivery and suction stroke profiles.

An electrochemical actuator controls hydrogen gas pressure to drive fluid pumping without mechanical moving parts.

A multi-channel peristaltic pump merges multiple rollers on a single shaft with independent motors, reducing installation complexity in bioreactors.

Hydraulic clamping and pivoting extract delivery valves from cassettes, eliminating screw loosening during pump maintenance.

Wireless remote control units enable operators to manage vacuum pumps outside fume hoods, eliminating exposure to hazardous volatile mixtures.

A self-priming pump apparatus uses pressure differences to rapidly fill the chamber with water and expel air through symmetric separation channels.

Segmenting the plunger into a sphere and sleeve resolves friction issues in horizontal wells, preventing liquid bypass and maintaining an effective fluid seal.

Vacuum pressure sensor calculates milk volume from system air changes, eliminating manual tracking and reducing user effort.

A magnetic linear actuator converts rotor rotation into axial cage movement to stroke a plunger.

Rotational play in the pump coupling absorbs torque reversals and radial force variations, reducing drive component wear and acoustic emissions.

Replacing bulky electric motors with compressed gas drives a compact pneumatic diaphragm pump that maintains reliable organ viability during transport.

Segmented tube sections use liquid jets to accelerate solids, preventing sinking and reducing pump energy during deep sea mining transport.

A peristaltic pump uses a cover-linked arm to pivot the chassis away from the retaining portion, widening the cavity for tubing access.

A peristaltic pump detects tube displacement via a load sensor to identify flow blockages without adding separate pressure units.

Radially compressible wave springs absorb vibrational energy between the thrust runner and shaft, preventing well fluid leakage into motor lubricant.

Piezoelectric blower offsets suction port axis to prevent air leakage and boost discharge flow rate.

Circulating hydraulic fluid through supply and return lines eliminates nitrogen compression lag in deep water.

A portable transdermal drug delivery device uses a reusable control unit and detachable dispensing mechanism for automated medication administration.

Counteracting elliptical cams adjust piston stroke timing in radial fluid devices to manage variable flow rates.

Solenoid-controlled oil diversion regulates piston stroke in a transfer pump, preventing fuel persistence in the circuit after engine stoppage.

Resin-coated bellows maintain elasticity at ultra-low temperatures, preventing slurry damage and ensuring reliable pump operation.

Displacing the inlet or outlet from the central axis breaks axisymmetry, reducing energy loss and maintaining pump characteristics at high frequencies.

A unitary bumper spring integrates the impact head and mandrel to absorb plunger energy in wellbore lift systems.

A plunger with sidewall orifices transfers gas to aerate liquid loads during ascent and allows fluid passage during descent.