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Terence G Ward, Scott D Downer: Pin fin heat sink and pin fin arrangement therein. General Motors Corporation, Anthony Luke Simon, January 16, 2001: US06173758 (56 worldwide citation)

A pin fin heat sink having mixed geometry pin fin configurations is presented. The mixed geometry pin fin configuration are designed to optimize the positive attributes of each individual pin fin geometry to provide a low cost overall system and provide better system performance in high flow rate sy ...


2
James M Nagashima, Terence G Ward, Scott D Downer: Integrated power electronics cooling housing. General Motors Corporation, Christopher DeVries, June 11, 2002: US06404628 (48 worldwide citation)

A power electronics cooling housing for use in a power electronics system. The power electronics cooling housing has a body with a coolant cavity formed in one surface and a capacitor bus assembly potting cavity formed in an opposite surface. A bus bar passthrough opening is formed through the body. ...


3
Terence G Ward: Method and apparatus for heat removal from electric motor winding end-turns. GM Global Technology Operations, June 9, 2009: US07545060 (35 worldwide citation)

An electric motor includes a stator having a plurality of slots. The slots have slot ends and channels formed between the slot ends. A plurality of wire windings is disposed in the slots. A plurality of winding end-turns is formed by the wire windings and is adjacent to the slot ends. The electric m ...


4
James M Nagashima, Terence G Ward, Scott D Downer: Power electronics system with fully-integrated cooling. General Motors Corporation, Christopher DeVries, November 6, 2001: US06313991 (31 worldwide citation)

A thermally cooled power electronics system. A cooling housing has a body with a coolant cavity formed in one surface and a capacitor bus assembly potting cavity formed in an opposite surface. A bus bar passthrough opening is formed through the body, along with a coolant inlet and outlet manifolds h ...


5
George M Claypole, Bruce Edward Zemke, Cheuk S Ng, Douglas Lee Wickham, Milos Stakich, Chris J Karras, James M Nagashima, Khwaja M Rahman, Terence G Ward: Wheel motor system. General Motors Corporation, Kathryn A Marra, July 27, 2004: US06768932 (28 worldwide citation)

A wheel motor traction assembly configured for use on a light duty vehicle adaptable for electric traction. The wheel motor traction assembly includes a wheel, a brake disc operatively connected to the wheel, a motor operatively connected to the wheel and a motor housing operatively connected to the ...


6
Terence G Ward, Khwaja M Rahman, James M Nagashima, Fabio Crescimbini, Federico Caricchi, Giorgio Lucchi: Cooling and handling of reaction torque for an axial flux motor. General Motors Corporation, February 19, 2008: US07332837 (23 worldwide citation)

Methods and apparatus are provided for an axial electric motor. The apparatus comprises, a stator having coils thereon for producing a magnetic field, a rotor rotated by the magnetic field, an output shaft coupled to the rotor, and a ring incorporating a coolant channel circumferentially engaging th ...


7
Khwaja M Rahman, Silva Hiti, Nitinkumar R Patel, Terence G Ward, James M Nagashima, Fabio Crescimbini, Federico Caricchi: Gearless wheel motor drive system. General Motors Corporation, Christopher DeVries, August 28, 2007: US07262536 (23 worldwide citation)

Methods and apparatus are provided for an electric vehicle embodying an axial flux traction motor directly coupled to a wheel thereof. The fraction motor includes a stator having coils for producing a magnetic field, an annular rotor magnetically coupled to the stator and mechanically to an output s ...


8
James M Nagashima, Karl D Conroy, Eric R Ostrom, Gregory S Smith, George John, David Tang, Terence G Ward: Cooling arrangements for integrated electric motor-inverters. General Motors Corporation, Christopher DeVries, May 1, 2007: US07210304 (21 worldwide citation)

In order to provide a modular arrangement, an inverter for an electric traction motor used to drive an automotive vehicle is positioned in proximity with the traction motor. The inverter is located within a compartment adjacent to one end of the electric traction motor and is cooled in a closed syst ...


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George R Woody, Terence G Ward, Edward P Yankoski: Stacked busbar assembly with integrated cooling. GM Global Technology Operations, Ingrassia Fisher & Lorenz P C, May 31, 2011: US07952875 (16 worldwide citation)

A stacked busbar assembly includes two or more busbar subassemblies, each including a plurality of busbars having one or more power semiconductor devices bonded thereto (e.g., IGBTs, power diodes, and the like). Each busbar has an internal integrated cooling system including one or more fluid channe ...