Patents Assigned to Hunan Research Inst. of Machinery
  • Planetary transmission mechanism and device of involute gears with complex minor tooth difference
    Patent number: 4896567
    Abstract: A planetary transmission mechanism and device of involute gears with compound small tooth-difference has two internal gear drives, an eccentric shaft with two eccentric axles and a rotational delivery mechanism with the gear pair's tooth-difference optimally equal to 5 to 8 teeth. The internal gear drives comprise at least two pairs of gears, the planetary gear of each gear drive being rotatably sleeved on a respective eccentric axle of the eccentric shaft.
    Type: Grant
    Filed: October 9, 1987
    Date of Patent: January 30, 1990
    Assignee: Hunan Research Inst. of Machinery
    Inventor: Ganxu Zhou