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...
Patented in 1916 ( U.S. Patent 1,209,359 ), Tesla's air-friction speedometer used rotating disks against air resistance for accurate velocity measurement, avoiding mechanical gears. Applied in...
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...