| Curtiss-Wright Electro-Mechanical Corporation Patent applications |
| Patent application number | Title | Published |
|---|
| 20120112545 | M2LC System Coupled to a Rectifier System - A system. The system is a modular multilevel converter system and includes a plurality of series connected modular multilevel converter cells. At least one of the modular multilevel converter cells is a three-level modular multilevel converter cell. The plurality of series connected modular multilevel converter cells are coupled to a rectifier system via a DC bus. | 05-10-2012 |
| 20120068756 | Two-Terminal M2LC Subsystem and M2LC System Including Same - A two-level two-terminal modular multilevel converter subsystem. The subsystem includes a first capacitor and a second capacitor. The modular multilevel converter subsystem is configured to selectively place the first capacitor in series with the second capacitor. The modular multilevel converter subsystem is also configured to selectively place the first capacitor in parallel with the second capacitor relative to first and second output terminals of the modular multilevel converter subsystem. | 03-22-2012 |
| 20120068555 | System and Method For Controlling A M2LC System - A modular multilevel converter system. The system includes a plurality of series connected two-terminal M2LC subsystems and a control system module. The two-terminal M2LC subsystems are arranged into at least two output phase modules. A first one of the output phase modules defines a total value of inductance and includes a positive arm and a negative arm. The control system module is configured to apply selectively reassigned modulated switch functions to only one of the following at a given instance of time: the two-terminal M2LC subsystems of the positive arm of the first one of the output phase modules or the two-terminal M2LC subsystems of the negative arm of the first one of the output phase modules. The selective reassigning of the modulated switch functions forces charge balance of the individual capacitors of the series connected two-terminal M2LC subsystems at a predetermined rate. | 03-22-2012 |
| 20120032512 | M2LC System Coupled to a Current Source Power Supply - A system. The system is a modular multilevel converter system and includes a plurality of series connected two-terminal modular multilevel converter subsystems. The subsystems are magnetically coupled to an AC current source power supply. | 02-09-2012 |
| 20100284829 | GAS TOLERANT SUBSEA PUMP - A combined canned motor-pump operates directly in the process fluid without the need for shaft seals or buffer or lubricating fluids. The pump incorporates an integral gas-separating system that includes gas separating hydraulics and a flow path that returns the gas to the main gas/oil separator. The gas-separating system includes a pump inlet for accepting incoming multiphase flow, at least one blade rotatable about the axis of rotation, an open annulus region for separating gas from liquid in the multiphase flow, at least one radial hole in the shaft for directing separated gas to the axial hole, and a pump outlet for discharging liquid from the pump. | 11-11-2010 |
