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HYDRAULIC TACHOMETER MECHANISM |
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 Pinche para ampliar
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Description
Shaft A of the tachometer is driven by the shaft whose speed is to be measured. Mounted on shaft A is disk 1 with holes. Disk 1 is located in a water-tight vessel 2 filled with mercury. As disk 1 rotates, the mercury begins to rotate as well and, owing to friction, tends to rotate light disk 3 which is prevented from rotating by hair spring 4. The angle through which disk 3 turns, and it is rigidly linked to hand 5, depends upon the angular velocity of the shaft being tested. |
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HYDRAULIC TACHOMETER MECHANISM
Pinche para ampliar
Shaft A of the tachometer is driven by the shaft whose speed is to be measured. Mounted on shaft A is disk 1 with holes. Disk 1 is located in a water-tight vessel 2 filled with mercury. As disk 1 rotates, the mercury begins to rotate as well and, owing to friction, tends to rotate light disk 3 which is prevented from rotating by hair spring 4. The angle through which disk 3 turns, and it is rigidly linked to hand 5, depends upon the angular velocity of the shaft being tested.
$3716$SHP,M$
| Documents: |
Hydraulic, pneumatic and electric mechanisms [Streambook] |
 DMG-Lib |
 https://www.dmg-lib.org/dmglib/handler?image=26407023 |
|
 Europeana |
 http://www.europeana.eu/portal/record/2020801/dmglib_handler_image_26407023.html |
 Ilmenau TU |
http://www.tu-ilmenau.de |
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