1
Ralph Johnston, Ronald A Martin, Chahee Peter Cho: Electromagnetic device with embedded windings and method for its manufacture. Delco Remy International, Ice Miller, Thomas A Walsh, Jay G Taylor, May 15, 2001: US06232681 (27 worldwide citation)

A powdered magnetic material stator core with embedded stator windings and a method for its manufacture. Embedding the windings within a radially compacted powdered magnetic material stator core enables equivalent or better electromagnetic performance in a significantly reduced size. Radial compacti ...


2
Chahee Peter Cho, Eun S Kim: Portable range extender operable in automatic and manual modes. Wavecrest Laboratories, Proskauer Rose, May 29, 2007: US07224132 (17 worldwide citation)

A portable range extender is provided for an electric vehicle having a vehicle controller, and an electric traction motor powered by a battery. The portable range extender has an engine, a dynamoelectric machine coupled to the engine by a shaft and electrically connectable to the vehicle, and a rang ...


3
Chahee Peter Cho, Eun Shik Kim: Portable range extender with autonomous control of starting and stopping operations. Bluwav Systems, Proskauer Rose, November 11, 2008: US07449793 (13 worldwide citation)

A portable range extender can be used to supply electrical power to an electric vehicle operable by an electric traction motor. The portable range extender includes an engine, a dynamoelectric machine coupled to the engine by a shaft, an autonomous range extender controller for controlling operation ...


4
Ralph Johnston, Chahee Peter Cho, Ronald A Martin: Electromagnetic device with embedded windings and method for its manufacture. Delco Remy International, Ice Miller, Thomas A Walsh, Jay G Taylor, March 26, 2002: US06362544 (11 worldwide citation)

A powdered magnetic material stator core with embedded stator windings and a method for its manufacture. Embedding the windings within a radially compacted powdered magnetic material stator core enables equivalent or better electromagnetic performance in a significantly reduced size. Radial compacti ...


5
Boris A Maslov, Chahee Peter Cho, Eun S Kim: Autonomous portable range extender. BluWav Systems, Alex Porat, Magna International, May 26, 2009: US07537070 (10 worldwide citation)

A portable range extender can be used to supply electrical power to an electric vehicle operable by an electric traction motor. The portable range extender includes an engine, a dynamoelectric machine coupled to the engine by a shaft, an autonomous range extender controller for controlling operation ...


6
Chahee Peter Cho, William P Krol Jr: Marine propulsion system for underwater vehicles. The United States of America represented by the Secretary of the Navy, Michael J McGowan, Michael F Oglo, Prithvi C Lall, December 30, 1997: US05702273 (10 worldwide citation)

A marine propulsion system for underwater vehicles includes motor inner sor assemblies disposed in hull portions of the vehicle, fixed blades extending outwardly from an after one of the hull portions, a shroud fixed to outer ends of the fixed blades and encircling the hull portions, and a motor out ...


7
Chahee Peter Cho, Eun Shik Kim: Sensorless fuel level and oil change indicators. Proskauer Rose, August 21, 2007: US07259664 (7 worldwide citation)

Sensorless fuel level and oil change indicators are provided in a range extender for an electric vehicle. The range extender includes an engine, and an electric generating device driven by the engine to generate electric power supplied to the vehicle. The fuel level is calculated based on the genera ...


8
Laszlo Bori, David Crecelius, Chahee Peter Cho: Electric machine end turn connectors. Delco Remy America, Russell E Fowler II, Ice Miller, May 27, 2004: US20040100157-A1

Electric machine end turn connectors are used with an electromagnetic device having a ferromagnetic core with a plurality of core slots. Coils are held within the plurality of core slots. The coils are comprised of a plurality of pins positioned within the plurality of core slots. Each of the plural ...


9
Ralph Johnston, Chahee Peter Cho, Ronald A Martin: Electromagnetic device with embedded windings and method for its manufacture. Thomas A Walsh, Ice Miller Donadio & Ryan, January 17, 2002: US20020005675-A1

A powdered magnetic material stator core with embedded stator windings and a method for its manufacture. Embedding the windings within a radially compacted powdered magnetic material stator core enables equivalent or better electromagnetic performance in a significantly reduced size. Radial compacti ...


10
Chahee Peter Cho, Eun Shik Kim: Portable range extender with autonomous control of starting and stopping operations. Wavecrest Laboratories, McDERMOTT WILL & EMERY, August 18, 2005: US20050179262-A1

A portable range extender can be used to supply electrical power to an electric vehicle operable by an electric traction motor. The portable range extender includes an engine, a dynamoelectric machine coupled to the engine by a shaft, an autonomous range extender controller for controlling operation ...