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American, blacksmith-inventor and inventor; obtained first US electric motor patent. [3] [5] [7] [18] US 132: 1837–1842, Robert Davidson: Scottish, inventor; developed electric motors for a lathe and a locomotive. [3] [5] [18] [20] 1838, Solomon Stimpson American; built a 12-pole electric motor with segmental commutator. [7] [18] [20] US 910: ...
The electric motor brings on the first juke box with cylinders – even before flat disk records were widely available. Thomas Edison discovers thermionic emission. This effect forms the basis for the vacuum tube and the cathode ray tube. approximately 1893: The selenium phototube invention allows the conversion of brightness values into electrical
1821 – Michael Faraday builds an electricity-powered motor. 1824 – Nicolas Léonard Sadi Carnot first publishes that the efficiency of a heat engine depends on the temperature difference between an engine and its environment. 1837 – First American patent for an electric motor (U.S. patent 132).
U.S. patent 487,796 - System of Electrical Transmission of Power - 1892 December 13 - Alternating current generator consisting of independent armature-circuits formed by conductors alternately disposed; Currents developed differ in phase and the field magnet poles in excess of the number of armature-circuits; Motor having independent energizing circuits connected to the armature-circuit of the ...
The timeline of historic inventions is a chronological list of ... History of electrical engineering ... Moritz von Jacobi invents the first practical electric motor.
Based on Tesla's new ideas for electrical equipment, including a thermo-magnetic motor idea, [66] they agreed to back the inventor financially and handle his patents. Together they formed the Tesla Electric Company in April 1887, with an agreement that profits from generated patents would go 1 ⁄ 3 to Tesla, 1 ⁄ 3 to Peck and Brown, and 1 ...
An industrial electric motor . An electric motor is a machine that converts electrical energy into mechanical energy.Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft.
It was the beginning of modern dynamos – that is, electrical generators which operate using a magnetic field. The invention of the industrial generator in 1866 by Werner von Siemens – which did not need external magnetic power – made a large series of other inventions possible.