Nikola Tesla Inventions - Page 13
Inventions by Nikola Tesla
Patented in 1894 under U.S. Patent 514,972 , Tesla's electric railway used high-frequency AC overhead lines for efficient powering without direct contact. Insulated screens protected against losses...
Tesla's ship's log, patented in 1919 under U.S. Patent 1,314,718 , employed a rotating impeller or rotor towed in water to measure speed and distance instantaneously. Fluid drag transmitted torque...
World's first and only valve with no moving parts. This device uses a series of specially-shaped chambers to create flow resistance in one direction, but not the other. It's also called a "fluid diode...