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Fluid gears rotate without teeth, offering new mechanical flexibility

⁨20⁩ ⁨likes⁩

Submitted ⁨⁨3⁩ ⁨days⁩ ago⁩ by ⁨cm0002@lemmings.world⁩ to ⁨technology@lemmy.zip⁩

https://phys.org/news/2026-01-fluid-gears-rotate-teeth-mechanical.html

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Comments

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  • RamRabbit@lemmy.world ⁨3⁩ ⁨days⁩ ago

    While neat, I highly doubt you can get any notable amount of torque through this.

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    • Technus@lemmy.zip ⁨3⁩ ⁨days⁩ ago

      It’s possible to design fluid couplings for torque. That’s what a torque converter in an automatic transmission does.

      It’s not quite as elegant, of course, but still.

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  • Therobohour@lemmy.world ⁨3⁩ ⁨days⁩ ago

    What would be a practical use for this

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  • Buffalobuffalo@lemmy.dbzer0.com ⁨3⁩ ⁨days⁩ ago

    Not sure on the torque, but the video in the article does show rotation. The points are that it is an active cylinder and a passive one. Rotating one causes flow in a fluid and the other to rotate with no mechanical cylinder contact.

    My thoughts consider a use case where under nocircumstance can the passive cylinder have shock of any kind due to backlash, with extreme sensitivity. Like crystal latice formation in some solution where other turbulence methods are too rough.

    Does seem niche.

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