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Lijun Gao patents

Recent patents with Lijun Gao listed as an inventor - additional entries may be under other spellings.


Lijun Gao - Related organizations: The Boeing Company patents

Method and system for regulating cryogenic vapor pressure

03/16/17 - 20170074459 - A vapor pressure regulation system includes a vessel including a vessel wall that defines an enclosure, and a temperature adjustment mechanism coupled to the vessel. A heat transfer between the temperature adjustment mechanism and the vessel is adjusted based on at least a vapor pressure within the vessel to facilitate
Inventors: Shengyi Liu, Lijun Gao

System and method for generator main field energy extraction

05/19/16 - 20160141988 - A system and method for controlling the main field current in an electrical generator is disclosed. The system can include a controller to sense the voltages and currents in the system to identify load faults. The system can also comprise one or more switches and an energy dissipator to absorb,
Inventors: Matthew J. Krolak, Lijun Gao, Shengyi Liu

Synchronous machine with common motor/generator exciter stage

03/31/16 - 20160094114 - A synchronous machine (100) has a frame (110), a shaft (115), a main section (120), and an exciter section (125). The main section (120) has a stator winding (130) which is mounted on the frame, and a rotor winding (135) which is mounted on the shaft. The exciter section has
Inventors: Lijun Gao, Matthew J. Krolak, Shengyi Liu

Systems and methods for reducing circulating current and phase to phase imbalance in a parallel modular converter system

03/31/16 - 20160094040 - A system and method for providing power to a vehicle with reduced circulating current and phase-top-phase imbalance is disclosed. The system can include a plurality of parallel module converter for prioritizing and allocating each electrical load to one or more parallel modular converter modules. The system can also comprise a
Inventors: Matthew J. Krolak, Lijun Gao, Shengyi Liu

Parallel modular converter architecture

03/31/16 - 20160094039 - A system and method for providing power to a vehicle is disclosed. The system can include a plurality of parallel module converter modules (“modules”) each capable of supplying a predetermined electrical load. The plurality of parallel module converter modules can be networked to form a parallel module converter (“converter”) for
Inventors: Adam J. Winstanley, Eugene V. Solodovnik, Kamiar J. Karimi, Shengyi Liu, Lijun Gao, Matthew J. Krolak

Emi filter systems and methods for parallel modular converters

03/31/16 - 20160094030 - A system and method for providing power to a vehicle is disclosed. The system can include a plurality of parallel module converter for prioritizing and allocating each electrical load to one or more parallel module converter modules. The centralization of power distribution can enable the reduction of components. The system
Inventors: Lijun Gao, Shengyi Liu, Matthew J. Krolak

Model-independent battery life and performance forecaster

10/01/15 - 20150276881 - A method includes determining parameters of a rechargeable battery during an effective power cycle of the rechargeable battery. The parameters include a current provided by the rechargeable battery, a voltage across the rechargeable battery, and a temperature of the rechargeable battery. The effective power cycle includes multiple charge operations and
Inventors: Shengyi Liu, Lijun Gao

Method and system for controlling synchronous machine as generator/starter

08/27/15 - 20150244303 - A synchronous brushless machine having a single exciter field stator winding. The single exciter field stator winding is energized by a high frequency alternating current to provide a single excitation field to magnetically couple with the exciter field armature winding in both the starter mode and the generator mode. With
Inventors: Lijun Gao, Shengyi Liu, Matthew J. Krolak, Eugene V. Solodovnik, Kamiar J. Karimi

System and method for fuel cell degradation management

08/20/15 - 20150236365 - A system and method for operating a fuel cell system to control an amount of degradation to the fuel cell system. The fuel cell system is operative to switch between two or more power sources to provide power to a load. The switching is designed to minimize degradation of a
Inventors: Shengyi Liu, Lijun Gao, Joseph S. Breit

System and methods for high power dc/dc converter

10/16/14 - 20140307481 - A voltage conversion system and methods are disclosed. Voltage converter cells are controlled using interleaved phase-shift modulation signals, and convert an input electrical current at an input voltage to an output electrical current at an output voltage. Each of the voltage converter cells comprises: a transformer comprising a primary side
Inventors: Duanyang Wang, Dariusz Czarkowski, Francisco De Leon, Kamiar J. Karimi, Lijun Gao, Shengyi Liu

Integrated control architecture and method for a bi-directional ac-to-ac converter

05/16/13 - 20130123989 - A method and system for controlling power transfer includes the operations of receiving a power transfer value indicating a power level to be transferred either to or from an energy storage sub-system and receiving an input comprising a rotational speed of a rotating mass in the energy storage sub-system. The
Inventors: Matthew Joseph Krolak, Lijun Gao, Shengyi Liu

Method and system for regulating cryogenic vapor pressure

04/18/13 - 20130092365 - A vapor pressure regulation system includes a vessel including a vessel wall that defines an enclosure, and a temperature adjustment mechanism coupled to the vessel. A heat transfer between the temperature adjustment mechanism and the vessel is adjusted based on at least a vapor pressure within the vessel to facilitate
Inventors: Shengyi Liu, Lijun Gao

System and methods for high power dc/dc converter

04/04/13 - 20130083563 - A voltage conversion system and methods are disclosed. Phase-shift modulation signals are generated and interleaved to provide interleaved phase-shift modulation signals. A plurality of voltage converters are controlled using the interleaved phase-shift modulation signals to convert an input electrical current at an input voltage to an output electrical current at
Inventors: Duanyang Wang, Dariusz Czarkowski, Francisco De Leon, Kamiar J. Karimi, Lijun Gao, Shengyi Liu

System for monitoring a battery charger

01/31/13 - 20130030593 - A method and apparatus comprising a switch and a charging management module. The switch is configured to control an electrical connection between a charging device for a battery and a power source. A current flows from the power source through the charging device to the battery to charge the battery
Inventors: Lijun Gao, John M. Fifield, George M. Roe

Thermoelectric power generation from power feeder

01/31/13 - 20130025644 - Apparatuses, methods, and systems are disclosed to use thermoelectric generating (TEG) devices to generate electricity from heat generated by a power cable. An apparatus includes multiple thermoelectric generating (TEG) devices. Each of the TEG devices has a first surface configured to be positioned in thermal communication with an outer surface
Inventors: Lijun Gao, Shengyi Liu, John M. Fifield

Dual use cooling systems

09/27/12 - 20120240882 - Cooling systems and methods of use are disclosed. A particular method includes routing at least a first portion of a coolant stream from a first heat exchanger to a second heat exchanger to receive heat from a hot side of a thermoelectric cooling device. The method also includes cooling one
Inventors: Lijun Gao, Chin-hsi Chien, Shengyi Liu

Water harvesting system

06/21/12 - 20120156580 - A method and apparatus for extracting water. The apparatus comprises a first and second cooling device and a controller. The first cooling device has a first and second side. The first side heats materials located at the first side and generates a water vapor. The second side cools the water
Inventors: Lijun Gao, Shengyi Liu

Thermoelectric generator on an aircraft bleed system

06/09/11 - 20110131999 - A device for producing electrical power. A thermoelectric device is coupled to an aircraft bleed system for generating electrical power using temperature differentials between ram air and bleed air.
Inventors: Lijun Gao, Shengyi Liu, Chin-hsi Chien

Thermoelectric generator and fuel cell for electric power co-generation

03/03/11 - 20110048484 - Systems and methods of electric power generation are disclosed. A particular method includes generating electric power using a fuel cell. The method also includes generating additional electric power using a thermoelectric generator (TE) by routing exhaust from the fuel cell to a hot side of the TE and routing fuel
Inventors: Lijun Gao, Shengyi Liu, Chin-hsi Chien, George M. Roe


### Lijun Gao patent invention listings

The bibliographic references displayed about Lijun Gao's patents are for a recent sample of Lijun Gao's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If Lijun Gao filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

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