🛠️ Invention or technique

Pelton wheel

Turbina hidráulica Pelton

Date
1878–1880 · confidence medium
Place
Camptonville, California, United States
Credited to
Lester Allan Pelton
People
👤 Lester Allan Pelton1829–1908
Field
Matter & energy

What it is

Impulse wheel with double-cupped buckets that harnesses high-head water falls with efficiencies above 90%. It made hydroelectric power profitable in mountainous areas.

What it led to

  • High-mountain hydroelectric power stations (Alps, Sierra Nevada, Pyrenees)
  • Electrification of coal-poor regions
  • Complement to Francis and Kaplan turbines
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