US 2026/0201941 A1 · SYNCHRONIC DRIVE

Abstract

A drive system comprising a rotatable input disc that receives an input rotational force and rotates about a longitudinal axis, where the input disc comprises driving features formed on its interior face. The drive system also comprises a rotatable output disc that rotates about the longitudinal axis and comprises driving features formed on its interior face, where the output disc provides an output rotational force. The drive system comprises a drive core between the interior face of the input disc and the interior face of the output disc to translate the input rotational force to the output rotational force. As the input disc is rotated by the input rotational force, engaging feature(s) of power disc(s) in the drive core engages the driving features of the input disc causing rotation of each power disc. As the power disc(s) is rotated, the engaging feature(s) of each power disc(s) engages the driving features of the output disc causing rotation of the output disc.

Claims37

Dependent claims

A drive system altering a ratio between an input rotational speed and an output rotational speed, the drive system comprising:

a rotatable input disc configured to receive an input rotational force and configured to rotate about a longitudinal axis;
a rotatable output disc configured to rotate about the longitudinal axis, the output disc configured to provide an output rotational force;
a drive core positioned between the input disc and the output disc to translate the input rotational force to the output rotational force, the drive core configured to rotate about the longitudinal axis and comprising at least one rotatable power disc, wherein each said at least one power disc is configured to:
engage the input disc and the output disc, and
rotate about a corresponding pivot axis, wherein a rotational plane of each of the at least one power disc intersects with the longitudinal axis;
wherein as the input disc is rotated by the input rotational force, each of the at least one power disc engages the input disc causing rotation of each of the at least one power disc;
and
wherein as the at least one power disc is rotated, each of the at least one power disc further engages the output disc causing rotation of the output disc.

5 more elements

A drive system altering a ratio between an input rotational speed and an output rotational speed, the drive system comprising:

a rotatable input disc configured to receive an input rotational force and configured to rotate about a longitudinal axis;
a rotatable output disc positioned around and concentric with the input disc, the output disc configured to rotate about the longitudinal axis to provide an output rotational force;
a drive core configured to translate the input rotational force to the output rotational force, the drive core configured to rotate about the longitudinal axis and comprising a plurality of rotatable power discs positioned between an exterior face of the input disc and an interior face of the output disc, wherein each said power disc is configured to:
engage the exterior surface of the input disc and the interior surface of the output disc, and
rotate about a corresponding pivot axis, wherein a rotational plane of each of the power discs intersects with the longitudinal axis;
wherein as the input disc is rotated by the input rotational force, each of the power discs engages the exterior surface of the input disc causing rotation of each of the power discs;
and
wherein as the power discs are rotated, each of the power discs further engages the interior surface of the output disc causing rotation of the output disc.

5 more elements

Dependencies are inferred from the claim text.

Synchronic drive

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Synchronic drive

Life of this patent

Abstract

Claims37