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Qingquan Tang patents

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


Qingquan Tang - Related organizations: The Boeing Company patents

Aircraft universal power converter

03/16/17 - 20170072882 - A power supply system suitable for use by an aircraft is disclosed. The power system converts power from an unregulated DC power source to multiple AC and DC voltage outputs. The power supply system comprises an interleaved buck converter, and interleaved full-bridge converter, an interleaved inverter, and a control system.
Inventors: Kamiar Karimi, Shengyi Liu, Duanyang Wang, Francisco De Leon, Qingquan Tang, Dazhong Gu, Dariusz Czarkowski, Kerim Colak, Mariusz Bojarski

Conversion system for converting direct current into alternating current

07/30/15 - 20150214854 - A method and apparatus for converting direct current into alternating current. An initial voltage level of an input voltage source is changed using a dual converter to form a plurality of voltage sources. Each of the plurality of voltage sources has voltage levels different from the initial voltage level. An
Inventors: Dazhong Gu, Qingquan Tang, Dariusz Czarkowski, Francisco De Leon, Kamiar J. Karimi, Shengyi Liu

Three-phase inverter with a repositioned choke

07/30/15 - 20150214832 - A method and apparatus for converting direct current into alternating current. The direct current is converted into a number of alternating currents using a switch system. The number of alternating currents is filtered using a set of inductors and a set of capacitors. Higher-frequency electromagnetic interference is blocked using a
Inventors: Qingquan Tang, Dazhong Gu, Dariusz Czarkowski, Francisco De Leon, Kamiar J. Karimi, Shengyi Liu

Power converter having emi filter common to multiple converters

01/22/15 - 20150021994 - A power supply system is disclosed that includes a first interleaved power supply, a second interleaved power supply, and a common electromagnetic interference filter. The common electromagnetic interference filter is configured to provide DC power from a DC power source to both the first interleaved power supply and the second
Inventors: Mariusz Bojarski, Kerim Colak, Dazhong Gu, Duanyang Wang, Qingquan Tang, Dariusz Czarkowski, Francisco De Leon, Kamiar J. Karimi, Shengyi Liu

Aircraft universal power converter

01/22/15 - 20150021983 - A power supply system suitable for use by an aircraft is disclosed. The power system converts power from an unregulated DC power source to multiple AC and DC voltage outputs. The power supply system comprises an interleaved buck converter, and interleaved full-bridge converter, an interleaved inverter, and a control system.
Inventors: Kamiar Karimi, Shengyi Liu, Duanyang Wang, Francisco De Leon, Qingquan Tang, Dazhong Gu, Dariusz Czarkowski, Kerim Colak, Mariusz Bojarski


### Qingquan Tang patent invention listings

The bibliographic references displayed about Qingquan Tang's patents are for a recent sample of Qingquan Tang'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 Qingquan Tang 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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