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FREIN PRONY [1 record]

Record 1 2017-02-27

English

Subject field(s)
  • Gears and Friction Wheels
  • Braking Devices (Mechanical Components)
DEF

A friction brake or absorption dynamometer in which the pull on the flywheel friction blocks is measured by a spring balance or weighted lever.

OBS

absorption dynamometer: Any of several dynamometers in which the energy measured is absorbed by frictional or electrical resistances.

OBS

Prony brake: term officially approved by the Lexicon Project Committee (New Brunswick).

French

Domaine(s)
  • Engrenages et roues de friction
  • Freins (Composants mécaniques)
CONT

Divers systèmes de frein sont utilisés pour mesurer la puissance des moteurs. Le frein de Prony [...] est composé de deux sabots en bois enserrant l'axe moteur et solidaires d'un levier portant à son extrémité un plateau pouvant recevoir des poids; [...]

OBS

Le moteur étant mis en route, on serre les sabots et on équilibre le levier par une tare; le couple des forces de frottement est alors égal au couple du poids rapporté à l'arbre du moteur.

OBS

frein de Prony : terme uniformisé par le Comité du projet de lexiques (Nouveau-Brunswick).

Spanish

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