1
Yan Dong, Ming Xu, Fred C Lee: Current sensing in multiple coupled inductors by time constant matching to leakage inductance. Virginia Tech Intellectual Properties, Whitham Curtis Christofferson & Cook PC, June 19, 2007: US07233132 (67 worldwide citation)

Voltage regulators often have coupled output inductors because coupled output inductors provide improvements in cost and efficiency. Coupled inductors are often used in multi-phase voltage regulators. Feedback control of voltage regulators often requires accurate and responsive sensing of output cur ...


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Ming Xu, Yan Dong, Fred C Lee: Multiphase voltage regulator having coupled inductors with reduced winding resistance. Virginia Tech Intellectual Properties, Whitham Curtis Christofferson & Cook P C, January 19, 2010: US07649434 (66 worldwide citation)

A multiple phase buck converter or boost converter, or buck-boost converter has an inductor in each phase. The inductors are inversely coupled. In a first embodiment, the converter includes a toroidal magnetic core with inductors extending under and over opposite sides of the toroidal magnetic core. ...


3
Jinghai Zhou, Fred C Lee, Ming Xu, Yan Dong: Multiphase voltage regulator having coupled inductors with reduced winding resistance. Virginia Tech Intellectual Properties, Whitham Curtis Christofferson & Cook PC, April 3, 2007: US07199695 (52 worldwide citation)

A multiple phase buck converter or boost converter, or buck-boost converter has an inductor in each phase. A magnetic core with a unique woven topology provides inverse coupling between the inductors. The inductors can comprise straight conductors since the magnetic core has the woven topology wrapp ...


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Teck Neng Wong, Nam Trung Nguyen, Chun Yang, Chee Kiong John Chai, Kim Tiow Ooi, Cheng Wang, Yan Dong Gao: Method and apparatus for controlling multi-fluid flow in a micro channel. Nanyang Technological University, Blakely Sokoloff Taylor & Zafman, May 19, 2009: US07534097 (26 worldwide citation)

A method and apparatus for controlling multi-fluid flow in a micro channel is disclosed. The apparatus has a first inlet for a first fluid; a second inlet for a second fluid; a first outlet; and a second outlet. The micro channel is operatively and fluidically connected to the first inlet, the secon ...


5
Yan Dong, Ming Xu, Fred C Lee: Multiphase voltage regulator having coupled inductors with reduced winding resistance. Virginia Tech Intellectual Properties, Whitham Curtis Christofferson & Cook P C, October 26, 2010: US07821375 (12 worldwide citation)

A multiple phase buck converter or boost converter, or buck-boost converter has an inductor in each phase. The inductors are inversely coupled. In a first embodiment, the converter includes a toroidal magnetic core with inductors extending under and over opposite sides of the toroidal magnetic core. ...


6
Wong Patrick S L, Yan Dong, Guittard George V: Compositions and dosage forms for enhanced absorption of metformin. Alza Corporation, Wong Patrick S L, Yan Dong, Guittard George V, ABRAHAM David, May 12, 2005: WO/2005/041923 (7 worldwide citation)

A complex comprised of metformin and a transport moiety, such as a fatty acid, is described. The complex has an enhanced absorption in the gastrointestinal tract, particularly the lower gastrointestinal tract. The complex, and compositions and dosage forms prepared using the complex, provide for abs ...


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Zdenek S Meistrick, Robert S Perkins, Neil E Fuchs, Yan Dong, Steve Kacmarcik: Rocker shaft pedestal incorporating an engine valve actuation system or engine brake. Jacobs Vehicle Systems, Vedder Price PC, May 20, 2014: US08726863 (3 worldwide citation)

A system for actuating an engine valve is disclosed. The system may include a rocker shaft having a hydraulic fluid supply circuit extending through the rocker shaft to a port on the outer surface of the rocker shaft and a solenoid valve adapted to selectively supply hydraulic fluid to the rocker sh ...


9
Yan Dong, Peng Xu: Switching-mode power supply with ripple mode control and associated methods. Monolithic Power Systems, Perkins Coie, April 15, 2014: US08698475 (3 worldwide citation)

The present invention discloses a SMPS. The SMPS comprises an output port, configured to supply a load; a control signal generator, having an input and an output configured to provide a first control signal; a first switch configured to receive the first control signal and regulate the voltage at th ...


10
Hsuan Tung Chen, Kuang Shin Lin, Yan Dong: Method and apparatus for testing integrity of data transfer of a hardware. Inventec Corporation, W Wayne Liauh, October 22, 2002: US06470463 (3 worldwide citation)

The present invention discloses a hardware data transfer integrity testing module and a hardware data transfer integrity testing method of parallel processing through the use of a ringbuffer. An interruption service program writes data into the ring buffer. When a main application program is process ...