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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-2026104069-A1, on 16 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-2026-000000598

Non-uniform stroke duration apparatus and engine provided with the same

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Classification
Industrial Motion & Power Transmission › Rotary Motion
Original source
US-2026104069-A1, the United States Patent and Trademark Office, 16 April 2026
Document SHA-256
fe1c949a4d3183be84ccbd6882e735d07cd2bee2ff625a4decb75c0e548d37f4

Abstract

A non-uniform stroke duration apparatus includes a crankshaft including a first main crankshaft and a second main crankshaft coaxially disposed with the first main crankshaft and constantly rotating at the same speed as the first main crankshaft, and having a predetermined crankshaft rotation center, a plurality of pin journal units disposed between the first main crankshaft and the second main crankshaft, and an eccentric rotation transmitter including an internal bracket that rotates around an eccentric axis formed by a pivot angle in a predetermined direction and spaced apart from the crankshaft rotation center by a predetermined eccentric distance, and changing a relative rotation speed of the pin journal units with respect to the crankshaft.

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Citation

OpenTechnical Publication OT-2026-000000598, “Non-uniform stroke duration apparatus and engine provided with the same,” published September 15, 2026 at 19:03:08 UTC, https://opentechnical.org/p/OT-2026-000000598.

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