Patents by Inventor Ramalingam Sivalingam

Ramalingam Sivalingam 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: 4800782
    Abstract: An accessory transmission for an automotive vehicle comprises a planetary gear set, a fixed cover and a cone clutch engageable with the ring gear of the planetary gear set or the cover to provide a direct drive or underdrive gear ratio in one embodiment, or a direct drive and overdrive gear ratio in another embodiment. The principles of the invention may also be applied to an embodiment wherein the ring gear rotation is governed by a one way brake as well as the cone clutch to provide both underdrive and overdrive transmissions.
    Type: Grant
    Filed: November 13, 1987
    Date of Patent: January 31, 1989
    Assignee: G.E. Machine Tool Limited
    Inventor: Ramalingam Sivalingam
  • Patent number: 4800780
    Abstract: An accessory transmission for an automotive vehicle comprises a planetary gear set, a fixed cover and a cone clutch engageable with the ring gear of the planetary gear set or the cover to provide a direct drive or underdrive gear ratio in one embodiment, or a direct drive and overdrive gear ratio in another embodiment. The principles of the invention may also be applied to an embodiment wherein the ring gear rotation is governed by a one way clutch as well as the cone clutch to provide both underdrive and overdrive transmissions.
    Type: Grant
    Filed: November 13, 1987
    Date of Patent: January 31, 1989
    Assignee: G.E. Machine Tool Limited
    Inventor: Ramalingam Sivalingam
  • Patent number: 4706520
    Abstract: An accessory transmission for an automotive vehicle comprises a planetary gear set, a fixed cover and a cone clutch engageable with the ring gear of the planetary gear set or the cover to provide a direct drive or underdrive gear ratio in one embodiment, or a direct drive and overdrive gear ratio in another embodiment. The principles of the invention may also be applied to an embodiment wherein the ring gear rotation is governed by a one way clutch as well as the cone clutch to provide both underdrive and overdrive transmissions.
    Type: Grant
    Filed: December 17, 1985
    Date of Patent: November 17, 1987
    Assignee: Mirram Drive Inc.
    Inventor: Ramalingam Sivalingam