An independently controlled double diaphragm pump eliminates periodic supply pressure drops by offsetting actuator timing.
Pulsed flow sequences automate air removal from closed fluid systems, eliminating manual technician intervention.
A hydraulic bypass valve opens during shock loads to transfer fluid from the high side, preventing low loop events without accumulators.
Integrating the valve arrangement within the piston eliminates external fasteners and reduces mechanical complexity while controlling compressor operation.
A variable displacement hydraulic pump adjusts volumetric output to match turbine speed, maintaining optimal engine efficiency across varying downhole loads.
A variable displacement pump adjusts output pressure via a mechanical linkage driven by a pressure actuated piston.
Peripheral inlet and outlet ports on a tubular piezoelectric air pump reduce pipeline resistance and dead cavity volume.
A compressor control mechanism adjusts discharge pressure ranges to maintain stable terminal supply pressure.
A liquid flow apparatus uses a reversible gauge holder body to enable pressure monitoring via a dedicated fluid channel.
A compressor system uses variable inlet throttling to adjust flow rate and maintain desired operating pressure levels.
A pretensioned pressure buffer absorbs delivery line pressure fluctuations to stabilize the metering pump inlet.
Torque-based flow estimation eliminates external sensors, preventing pump overheating and reducing maintenance costs.
A liquid processing apparatus uses a single filter and pump to synthesize process liquid for repeated filtration cycles.
Segmenting the actuator into two symmetric units eliminates directional asymmetry, ensuring identical load holding and slew rates in both directions.
A micropump dead-zone seal section surrounds the rotor to isolate internal gas bubbles from the liquid delivery path.
A hydraulic pump reservoir vents to atmospheric pressure via a timer reservoir and orifice during shutdown.
An electrical resistance structure in a pump inlet changes value based on liquid wetting to detect dry running conditions.
Pre-cooled gas injection into the storage tank sustains suction pressure without heating liquid hydrogen, extending pumping duration.
A linear motor control unit adjusts AC power frequency based on mover position or winding current signals.
Dual pressure switches and a controller circuit regulate tank pressure in this cordless compressor, reducing energy wastage from surplus compressed air.
A control circuit adjusts motor rotational speed based on detected pressure change rates in an air compressor tank.
Color-coded visual indicators on the signal assembly show fluid pressure and power status, preventing personnel injury from unexpected line failures.
A multi-throw reciprocating pump uses a differential mechanism to shift plunger stroke phases for active flow modulation.
A torque distributing means proportionally reduces individual pump loads to keep total engine input within preset limits.
A master maximum torque curve maps pump limits against differential pressure to regulate flow without multiphase meters.
A pump device uses a third valve to limit fluid flow between suction and discharge ports.
A peristaltic pump adjusts e-liquid volume using a temperature detector and servo motor controller.
Capacitance and resistance sensors detect fluid levels to automatically start or stop the pump, preventing dry-run wear and overheating.
Position-based sampling compensates for diaphragm rigidity errors, enabling accurate error detection across variable angular velocities.
Strain gauges and position sensors measure pump chamber dynamics to determine valve actuation delays across multiple pressure pumps.
An electric pump motor control unit restricts current during startup to prevent overload.
A piezoelectric peristaltic micropump modulates cycle volume via real-time sensor feedback to deliver precise liquid quantities.
Electronic flowrate sensors and controllers correct deviations between desired and actual feed rates, eliminating manual calibration needs.
An SMPS controller manages power delivery to a fluid dispensing pump using modular tubing and sensing inputs.
An automated control system actuates valve apparatuses to regulate fluid flow rates in hydraulic fracturing operations.
A compressor control system adjusts operating units based on tank pressure change rates.
Evaluation unit calculates suction pressure using discharge measurements and rotational speed to prevent air penetration risks.
A fault control system monitors pump-motor assemblies using vibration and current sensors to detect operational anomalies.
A roller pump uses an occlusion adjustment assembly to modify roller radial position during operation.
Variable frequency drives replace mechanical unloading valves and water tanks, eliminating hysteresis and reducing system complexity in fire protection pumps.
A maintenance prediction model analyzes pump usage data to output predicted component life intervals based on operating conditions.
A high pressure threshold detection circuit disables a compressor motor drive when outlet pressure exceeds a set reference value.
A five-cylinder drilling pump system integrates direct engine coupling with real-time health monitoring sensors for predictive maintenance.
A magnetic field source positioned above an electrical submersible pump suspends ferromagnetic particles to prevent component accumulation.
A variable displacement pump regulates motor speed and fluid volume to deliver continuous pressure and flow rates across the entire operating envelope.
A calculation model estimates fluid pump flow rate using pressure and cycle parameters for real-time monitoring.
A plunger pump features a detachable pressure detection apparatus connected via a communication member to the pump head.
A medical displacement pump uses a gas-filled working chamber to transmit force from an actuator to a deformable membrane for fluid conveyance.
Selective activation of a pressure control valve maintains suction valves open to mitigate overpressure damage without requiring immediate motor shutdown.