Planetary gear transmission systems or components – Condition responsive control – Eccentrically weighted planet
Patent
1997-03-26
1998-11-10
Bonck, Rodney H.
Planetary gear transmission systems or components
Condition responsive control
Eccentrically weighted planet
192 45, F16H 374
Patent
active
058335676
ABSTRACT:
A ring gear and a plurality of planet gear carriers diametrically disposed, at substantially equal angles to each other, in a plane therewithin, each carrier rotatably supporting a separate one of a pair of planet gears at each opposite end thereof. The planet gears engage with and are rotated by the ring gear. Each planet gear has an eccentrically disposed mass that revolves about the center of rotation of the planet gear while revolving about the center of rotation of the planet gear carrier, creating centrifugal and Coriolis forces that are additive. An instant angular disposition, with respect to its planet gear carrier, of the center of mass of one of a pair of planet gears is always the same as that of the other of the pair but does not coincide with that of any other planet gear. This creates a couple that is applied to an output shaft when the force of the former and the rotation of the latter are in the same direction. When they are not, the couple is applied to a reaction plate. The angular disposition between the planet gear carriers ensure that torque pulses applied to the output shaft by the couples are not applied simultaneously but are equally separated in time to provide a relatively smooth output torque.
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Bonck Rodney H.
Charles Marcus
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