Patents by Inventor Tejinder Singh

Tejinder Singh 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).

  • Seven speed dual clutch transmission
    Patent number: 8789434
    Abstract: A transmission connectable to an input member and having an output transfer gear, first and second transmission input shaft members, first and second countershaft members, an idler shaft, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the transmission input members and the output member.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: July 29, 2014
    Assignee: GM Global Technology Operations, LLC
    Inventors: Tejinder Singh, Patrick S. Portell
  • Seven speed dual clutch transmission
    Patent number: 8757020
    Abstract: A transmission is connectable to an input member and includes an output transfer gear, first and second shaft members, first, second and third countershaft members, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of gears, synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: June 24, 2014
    Assignee: GM Global Technology Operations, LLC
    Inventors: Tejinder Singh, Patrick S. Portell
  • Eight speed dual clutch transmission
    Patent number: 8757021
    Abstract: A transmission is connectable to an input member and includes an output transfer gear, first and second transmission input shaft members, first, second and third countershaft members, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of gears, synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: June 24, 2014
    Assignee: GM Global Technology Operations, LLC
    Inventors: Tejinder Singh, Patrick S. Portell
  • Seven speed dual clutch transmission
    Patent number: 8757019
    Abstract: A transmission is connectable to an input member and includes an output transfer gear, first and second shaft members, first, second and third countershaft members, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of gears, synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: June 24, 2014
    Assignee: GM Global Technology Operations, LLC
    Inventors: Tejinder Singh, Patrick S. Portell
  • Eight speed dual clutch transmission
    Patent number: 8739644
    Abstract: A transmission is connectable to an input member and includes an output transfer gear, first and second shaft members, first, second and third countershaft members, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of gears, synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: June 3, 2014
    Assignee: GM Global Technology Operations, LLC
    Inventors: Tejinder Singh, Patrick S. Portell
  • Multi-speed planetary gear set transmission
    Patent number: 8734286
    Abstract: A transmission has an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: May 27, 2014
    Assignee: GM Global Technology Operations LLC
    Inventors: Dan Coffey, Tejinder Singh
  • MULTI-SPEED TRANSMISSION
    Publication number: 20140141924
    Abstract: A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.
    Type: Application
    Filed: January 28, 2014
    Publication date: May 22, 2014
    Applicant: GM Global Technology Operations LLC
    Inventor: Tejinder Singh
  • MULTI-SPEED TRANSMISSION
    Publication number: 20140106924
    Abstract: A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. The torque transmitting devices include clutches and brakes including a selectable one-way clutch actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.
    Type: Application
    Filed: August 15, 2013
    Publication date: April 17, 2014
    Applicant: GM Global Technology Operations LLC
    Inventors: Kent H. Kienzle, Dan Coffey, David M. Zini, John A. Diemer, Pete R. Garcia, Tejinder Singh, Boris Burgman
  • SEVEN SPEED DUAL CLUTCH TRANSMISSION
    Publication number: 20140080654
    Abstract: A transmission includes an input member, an output member, first and second interconnecting members, first and second countershaft members, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member.
    Type: Application
    Filed: September 17, 2012
    Publication date: March 20, 2014
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Mikael B. Mohlin, Tejinder Singh, Patrick S. Portell, David M. Zini
  • Eight speed dual clutch transmission
    Patent number: 8635924
    Abstract: A transmission is connectable to an input member and includes an output transfer gear, first and second shaft members, first, second and third countershaft members, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of gears, synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: January 28, 2014
    Assignee: GM Global Technology Operations LLC
    Inventors: Tejinder Singh, Patrick S. Portell
  • Multi-speed transmission
    Patent number: 8636617
    Abstract: A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.
    Type: Grant
    Filed: June 4, 2012
    Date of Patent: January 28, 2014
    Assignee: GM Global Technology Operations LLC
    Inventor: Tejinder Singh
  • Multi-speed transmission gear and clutch arrangement
    Patent number: 8632435
    Abstract: A transmission includes an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes that are actuated in various combinations to establish a plurality of forward gear ratios and a reverse gear ratio.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: January 21, 2014
    Assignee: GM Global Technology Operations LLC
    Inventors: Pete R. Garcia, Tejinder Singh
  • Automatic transmission gear and clutch arrangement
    Patent number: 8628442
    Abstract: A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque-transmitting devices. Further, a hydraulic fluid control circuit is provided for controlling the operation of the plurality of torque-transmitting devices. The hydraulic fluid control circuit receives pressurized hydraulic fluid from an off-axis hydraulic fluid pump and has a plurality of fluid passages disposed in the transmission house, input member and other coupling members.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: January 14, 2014
    Assignee: GM Global Technology Operations LLC
    Inventors: Patrick S. Portell, John A. Diemer, James M. Hart, Scott H. Wittkopp, Edwin T. Grochowski, Douglas John Dwenger, Elizabeth I. Wooden, Boris Burgman, Clinton E. Carey, Tejinder Singh
  • Seven speed dual clutch transmission having improved packaging
    Patent number: 8607655
    Abstract: A transmission connected to an engine input member and having an output transfer gear, first and second transmission input shaft members, first and second countershaft members, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The first and second transmission input shaft members are rotatably supported in the transmission housing by a combination of ball and needle bearings. The first and second countershaft members are rotatably supported in the transmission housing by plurality of thrust bearings. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: December 17, 2013
    Assignee: GM Global Technology Operations LLC
    Inventors: Tejinder Singh, Patrick S. Portell
  • MULTI-SPEED TRANSMISSION
    Publication number: 20130324346
    Abstract: A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.
    Type: Application
    Filed: May 9, 2013
    Publication date: December 5, 2013
    Applicant: GM Global Technology Operations LLC
    Inventors: Pete R. Garcia, Tejinder Singh, John A. Diemer, Douglas John Dwenger
  • SEVEN SPEED DUAL CLUTCH TRANSMISSION HAVING IMPROVED PACKAGING
    Publication number: 20130269460
    Abstract: A transmission connected to an engine input member and having an output transfer gear, first and second transmission input shaft members, first and second countershaft members, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The first and second transmission input shaft members are rotatably supported in the transmission housing by a combination of ball and needle bearings. The first and second countershaft members are rotatably supported in the transmission housing by plurality of thrust bearings. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member.
    Type: Application
    Filed: May 24, 2013
    Publication date: October 17, 2013
    Inventors: Tejinder Singh, Patrick S. Portell
  • MULTI-SPEED TRANSMISSION GEAR AND CLUTCH ARRANGEMENT
    Publication number: 20130260942
    Abstract: A transmission includes an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes that are actuated in various combinations to establish a plurality of forward gear ratios and a reverse gear ratio.
    Type: Application
    Filed: February 1, 2013
    Publication date: October 3, 2013
    Applicant: GM Global Technology Operations LLC
    Inventors: Pete R. Garcia, John A. Diemer, Tejinder Singh, Douglas John Dwenger
  • SEVEN SPEED DUAL CLUTCH TRANSMISSION
    Publication number: 20130239715
    Abstract: A transmission connectable to an input member and having an output transfer gear, first and second transmission input shaft members, first and second countershaft members, an idler shaft, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the transmission input members and the output member.
    Type: Application
    Filed: May 2, 2013
    Publication date: September 19, 2013
    Applicant: GM Global Technology Operations LLC
    Inventors: Tejinder Singh, Patrick S. Portell
  • MULTI-SPEED PLANETARY GEAR SET TRANSMISSION
    Publication number: 20130237365
    Abstract: A transmission has an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.
    Type: Application
    Filed: February 22, 2013
    Publication date: September 12, 2013
    Applicant: GM Global Technology Operations LLC
    Inventors: Dan Coffey, Tejinder Singh
  • MULTI-SPEED PLANETARY GEAR SET TRANSMISSION
    Publication number: 20130231215
    Abstract: A transmission has an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.
    Type: Application
    Filed: February 21, 2013
    Publication date: September 5, 2013
    Applicant: GM Global Technology Operations LLC
    Inventors: Dan Coffey, Tejinder Singh