Patents Assigned to Mirram Drive Inc.
  • Two speed accessory transmission with optional neutral mode
    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