Patents by Inventor Duk Hwan SUNG

Duk Hwan SUNG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8915817
    Abstract: A torque split type automatic transmission which transmits torque output from an engine through two paths, adds the torque passing through and increased in each path, and outputs a final torque, may be provided wherein the torque of the engine is dividedly transmitted to first and second power delivery paths, a launching device for converting the torque and a transmission device for achieving multiple-shift are disposed on the first power delivery path in series, and a torque combining device is disposed on the second power delivery path, and wherein the first power delivery path is connected to the torque combining device such that output torque of the first power delivery path is added to output torque of the second output path to output the final torque.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: December 23, 2014
    Assignee: Hyundai Motor Company
    Inventor: Duk Hwan Sung
  • Patent number: 8905883
    Abstract: A torque split type automatic transmission which transmits the torque output from an engine through two paths, adds the torque passing through and increased in each path, and outputs a final torque, wherein the torque of the engine is divided into two portions by a torque split device and each portion of the torque is transmitted respectively to first and second power delivery paths and wherein the first power delivery path is connected to a launching device, the second power delivery path is connected to a transmission device, and outputs of the launching device and the transmission device meet such that the torques increased at each power delivery path is added to each other and the final torque is output.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: December 9, 2014
    Assignee: Hyundai Motor Company
    Inventor: Duk Hwan Sung
  • Patent number: 8888640
    Abstract: A torque split type automatic transmission which transmits the torque output from an engine through two paths, adds the torque passing through and increased in each path, and outputs a final torque is provided, wherein the torque of the engine is divided into two portions by a torque split device and each portion of the torque is transmitted respectively to first and second power delivery paths, wherein the first power delivery path is directly connected to a driving wheel, and wherein the second power delivery path is provided with a launching device and a transmission device disposed in series so as to increase the torque, and output of the second power delivery path is added to the torque of the first power delivery path to output the final torque.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: November 18, 2014
    Assignee: Hyundai Motor Company
    Inventor: Duk Hwan Sung
  • Patent number: 8888641
    Abstract: A torque split type automatic transmission which transmits the torque output from an engine through two paths, adds the torque passing through and increased in each path, and outputs a final torque is provided, wherein the torque of the engine is divided into two portions and each portion of the torque is transmitted respectively through first and second power delivery paths, and wherein the first power delivery path is connected to a launching device, the second power delivery path is connected to a transmission device, and outputs of the launching device and the transmission device are met at a torque combining device such that each torque increased through each power delivery path is added and the final torque is output through the torque combining device.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: November 18, 2014
    Assignee: Hyundai Motor Company
    Inventor: Duk Hwan Sung
  • Patent number: 8852044
    Abstract: A torque split type automatic transmission which transmits torque output from an engine through two paths, adds the torque passing through and increased in each path, and outputs a final torque, may be provided wherein the torque of the engine is dividedly transmitted to first and second power delivery paths, a launching device for converting the torque and a transmission device for achieving multiple-shift are disposed on the first power delivery path in series, and a torque combining device is disposed on the second power delivery path, and wherein the first power delivery path is connected to the torque combining device such that output torque of the first power delivery path is added to output torque of the second output path to output the final torque.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: October 7, 2014
    Assignee: Hyundai Motor Company
    Inventor: Duk Hwan Sung
  • Publication number: 20110124456
    Abstract: A torque split type automatic transmission which transmits torque output from an engine through two paths, adds the torque passing through and increased in each path, and outputs a final torque, may be provided wherein the torque of the engine is dividedly transmitted to first and second power delivery paths, a launching device for converting the torque and a transmission device for achieving multiple-shift are disposed on the first power delivery path in series, and a torque combining device is disposed on the second power delivery path, and wherein the first power delivery path is connected to the torque combining device such that output torque of the first power delivery path is added to output torque of the second output path to output the final torque.
    Type: Application
    Filed: September 8, 2010
    Publication date: May 26, 2011
    Applicant: HYUNDAI MOTOR COMPANY
    Inventor: Duk Hwan SUNG
  • Publication number: 20110124464
    Abstract: A torque split type automatic transmission which transmits the torque output from an engine through two paths, adds the torque passing through and increased in each path, and outputs a final torque is provided, wherein the torque of the engine is divided into two portions and each portion of the torque is transmitted respectively through first and second power delivery paths, and wherein the first power delivery path is connected to a launching device, the second power delivery path is connected to a transmission device, and outputs of the launching device and the transmission device are met at a torque combining device such that each torque increased through each power delivery path is added and the final torque is output through the torque combining device.
    Type: Application
    Filed: September 7, 2010
    Publication date: May 26, 2011
    Applicant: HYUNDAI MOTOR COMPANY
    Inventor: Duk Hwan Sung
  • Publication number: 20110124457
    Abstract: A torque split type automatic transmission which transmits the torque output from an engine through two paths, adds the torque passing through and increased in each path, and outputs a final torque, wherein the torque of the engine is divided into two portions by a torque split device and each portion of the torque is transmitted respectively to first and second power delivery paths and wherein the first power delivery path is connected to a launching device, the second power delivery path is connected to a transmission device, and outputs of the launching device and the transmission device meet such that the torques increased at each power delivery path is added to each other and the final torque is output.
    Type: Application
    Filed: September 7, 2010
    Publication date: May 26, 2011
    Applicant: HYUNDAI MOTOR COMPANY
    Inventor: Duk Hwan Sung
  • Publication number: 20110124458
    Abstract: A torque split type automatic transmission which transmits the torque output from an engine through two paths, adds the torque passing through and increased in each path, and outputs a final torque is provided, wherein the torque of the engine is divided into two portions by a torque split device and each portion of the torque is transmitted respectively to first and second power delivery paths, wherein the first power delivery path is directly connected to a driving wheel, and wherein the second power delivery path is provided with a launching device and a transmission device disposed in series so as to increase the torque, and output of the second power delivery path is added to the torque of the first power delivery path to output the final torque.
    Type: Application
    Filed: September 8, 2010
    Publication date: May 26, 2011
    Applicant: Hyundai Motor Company
    Inventor: Duk Hwan Sung