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In 2017, 27% of vehicles sold in the US were turbocharged. [55] In Europe 67% of all vehicles were turbocharged in 2014. [56] Historically, more than 90% of turbochargers were diesel, however, adoption in petrol engines is increasing. [57]
Although the most common type, the gas turbine powered jet engine, was certainly a 20th-century invention, many of the needed advances in theory and technology leading to this invention were made well before this time. The jet engine was clearly an idea whose time had come. Frank Whittle submitted his first patent in 1930. By the late 1930s ...
In 1928, RAF College Cranwell cadet [10] Frank Whittle formally submitted his ideas for a turbo-jet to his superiors. In October 1929, he developed his ideas further. [ 11 ] On 16 January 1930 in England, Whittle submitted his first patent (granted in 1932). [ 12 ]
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War
1837 – First American patent for an electric motor (U.S. patent 132). 1850 – The first explicit statement of the first and second law of thermodynamics, given by Rudolf Clausius. [7] 1860 – Lenoir 2 cycle engine [8] 1872 – Brayton Engine; 1877 – Nicolaus Otto patents a four-stroke internal combustion engine (U.S. patent 194,047). [9]
The mechanical production of dry photographic plates were invented by George Eastman who filed U.S. patent #226,503 on September 9, 1879, for (in his own words "An Improved Process for Preparing Gelatine Dry-Film Plates") which was issued to him on April 13, 1880. [156] [231] 1879 Carton
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Tapered roller bearings are bearings that can take large axial forces as well as being able to sustain large radial forces. They were co-invented by German-American Henry Timken and Reginald Heinzelman. [56] On August 27, 1897, Timken and Heizelman filed U.S. patent #606,635 which was issued to them jointly on June 28, 1898. [57] 1897 Ice cream ...