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This is a record of a document published elsewhere, first published by the United States Patent and Trademark Office, as US-12601391-B2, on 14 April 2026. OpenTechnical did not first disclose it. The identifier, hashes and timestamps below record what this library served and when, not when the material became public. View the original.

OT-2026-000000710

Logarithmic hollow shaft speed reducer

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Classification
Industrial Motion & Power Transmission › Rotary Motion
Original source
US-12601391-B2, the United States Patent and Trademark Office, 14 April 2026
Document SHA-256
99a5c34b17359d49269a9a08ccb9cf5391c7196426c31b35531c11dff3943f63

Abstract

A logarithmic hollow shaft speed reducer comprising a compact, modular two-stage rotary system with independently selectable coupling paths. The first stage produces coaxial outputs directed to either the ring, sun, or carrier of a standalone second-stage differential planetary gear. This architecture enables multiple torque-speed modes—high-speed/low-torque, balanced, and high-torque/low-speed—without altering drive element configuration. The speed reducer's modularity and clarity support cost-effective manufacturing and flexible deployment.

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Citation

OpenTechnical Publication OT-2026-000000710, “Logarithmic hollow shaft speed reducer,” published September 15, 2026 at 19:03:17 UTC, https://opentechnical.org/p/OT-2026-000000710.

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This record reproduces a document published elsewhere and is provided for reference and study. Rights in the original remain with its owner. See the publication policy.