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1 Gramme ring
Gramme ring grammescher Ring mEnglish-German dictionary of Electrical Engineering and Electronics > Gramme ring
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2 Gramme ring
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3 Gramme ring
s.anillo de Gramme. -
4 Gramme ring armature
English-German dictionary of Electrical Engineering and Electronics > Gramme ring armature
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5 Gramme ring armature
<el> ■ Flachringanker m -
6 Gramme
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7 Gramme, Zénobe Théophile
[br]b. 4 April 1826 Jehay-Bodignée, Belgiumd. 20 January 1901 Bois de Colombes, Paris, France[br]Belgian engineer whose improvements to the dynamo produced a machine ready for successful commercial exploitation.[br]Gramme trained as a carpenter and showed an early talent for working with machinery. Moving to Paris he found employment in the Alliance factory as a model maker. With a growing interest in electricity he left to become an instrument maker with Heinrich Daniel Rühmkorff. In 1870 he patented the uniformly wound ring-armature dynamo with which his name is associated. Together with Hippolyte Fontaine, in 1871 Gramme opened a factory to manufacture his dynamos. They rapidly became a commercial success for both arc lighting and electrochemical purposes, international publicity being achieved at exhibitions in Vienna, Paris and Philadelphia. It was the realization that a Gramme machine was capable of running as a motor, i.e. the reversibility of function, that illustrated the entire concept of power transmission by electricity. This was first publicly demonstrated in 1873. In 1874 Gramme reduced the size and increased the efficiency of his generators by relying completely on the principle of self-excitation. It was the first practical machine in which were combined the features of continuity of commutation, self-excitation, good lamination of the armature core and a reasonably good magnetic circuit. This dynamo, together with the self-regulating arc lamps then available, made possible the innumerable electric-lighting schemes that followed. These were of the greatest importance in demonstrating that electric lighting was a practical and economic means of illumination. Gramme also designed an alternator to operate Jablochkoff candles. For some years he took an active part in the operations of the Société Gramme and also experimented in his own workshop without collaboration, but made no further contribution to electrical technology.[br]Principal Honours and DistinctionsKnight Commander, Order of Leopold of Belgium 1897. Chevalier de la Légion d'honneur. Chevalier, Order of the Iron Crown, Austria.Bibliography9 June 1870, British patent no. 1,668 (the ring armature machine).1871, Comptes rendus 73:175–8 (Gramme's first description of his invention).Further ReadingW.J.King, 1962, The Development of Electrical Technology in the 19th Century, Washington, DC: Smithsonian Institution, Paper 30, pp. 377–90 (an extensive account of Gramme's machines).S.P.Thompson, 1901, obituary, Electrician 66: 509–10.C.C.Gillispie (ed.), 1972, Dictionary of Scientific Biography, Vol. V, New York, p. 496.GWBiographical history of technology > Gramme, Zénobe Théophile
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8 grammescher Ring
Deutsch-Englisch Wörterbuch der Elektrotechnik und Elektronik > grammescher Ring
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9 gramofónico
• Gramme ring• grampus -
10 Flachringanker
m <el> ■ Gramme ring armature; flat ring armature -
11 grammescher Ringanker
Deutsch-Englisch Wörterbuch der Elektrotechnik und Elektronik > grammescher Ringanker
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12 gramo
• grains• gram atom• grammatically• Gramme ring -
13 кольцевая обмотка
1) Engineering: ring winding, toroid coil, toroidal winding2) Electronics: gramme winding -
14 winding
1) намотка2) обмотка4) виток; оборот5) поворот; изгиб-|| изогнутый; искривлённый6) спиральный•- bank winding
- banked winding
- bar winding
- basket winding
- bias winding
- bifilar winding
- bit winding
- bit-plane winding
- bit-sense winding
- bit-write winding
- bucking winding
- cage winding
- center-tapped winding
- chain winding
- coil winding
- commutating winding
- compensation winding
- concentrated winding
- control winding
- core plane winding
- cosine winding
- counter winding
- crisscross winding
- crisscross coil winding
- current winding
- Curtis winding
- cylindrical winding
- damper winding
- damping winding
- dc winding
- delay winding
- diamond winding
- differential winding
- digit winding
- digit-plane winding
- double winding
- drive winding
- drum winding
- duplex lap winding
- duplex wave winding
- exciting winding
- feedback winding
- field winding
- filament winding
- fractional-pitch winding
- frog-leg winding
- full-pitch winding
- gate winding
- Gramme winding
- herring-bone winding
- high-voltage winding
- holding winding
- honeycomb winding
- inhibit winding
- input winding
- interrogate winding
- lap winding
- layer winding
- long-pitch winding
- low-voltage winding
- magnet winding
- multiplex lap winding
- multiplex wave winding
- noninductive winding
- output winding
- parallel winding
- pie winding
- plate winding
- power winding
- preformed winding
- primary winding
- print winding
- push-through winding
- random winding
- read winding
- read-out winding
- reentrant winding
- regulating winding
- relay winding
- reset winding
- ring winding
- rotor winding
- secondary winding
- sense winding
- sense-digit winding
- series winding
- set winding
- shift winding
- short-pitch winding
- shunt winding
- signal winding
- simplex lap winding
- simplex wave winding
- single-layer winding
- spiral winding
- split winding
- split-throw winding
- stabilized winding
- starting winding
- stator winding
- superconducting winding
- tapped winding
- toroidal winding
- transformer winding
- waffle winding
- waffle-type winding
- wave winding
- Wenner winding
- write winding
- write-digital winding -
15 Flachringanker
Deutsch-Englisch Wörterbuch der Elektrotechnik und Elektronik > Flachringanker
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16 Crompton, Rookes Evelyn Bell
[br]b. 31 May 1845 near Thirsk, Yorkshire, Englandd. 15 February 1940 Azerley Chase, Ripon, Yorkshire, England[br]English electrical and transport engineer.[br]Crompton was the youngest son of a widely travelled diplomat who had retired to the country and become a Whig MP after the Reform Act of 1832. During the Crimean War Crompton's father was in Gibraltar as a commander in the militia. Young Crompton enrolled as a cadet and sailed to Sebastopol, visiting an older brother, and, although only 11 years old, he qualified for the Crimean Medal. Returning to England, he was sent to Harrow, where he showed an aptitude for engineering. In the holidays he made a steam road engine on his father's estate. On leaving school he was commissioned into the Rifle Brigade and spent four years in India, where he worked on a system of steam road haulage to replace bullock trains. Leaving the Army in 1875, Crompton bought a share in an agricultural and general engineering business in Chelmsford, intending to develop his interests in transport. He became involved in the newly developing technology of electric arc lighting and began importing electric lighting equipment made by Gramme in Paris. Crompton soon decided that he could manufacture better equipment himself, and the Chemlsford business was transformed into Crompton \& Co., electrical engineers. After lighting a number of markets and railway stations, Crompton won contracts for lighting the new Law Courts in London, in 1882, and the Ring Theatre in Vienna in 1883. Crompton's interests then broadened to include domestic electrical appliances, especially heating and cooking apparatus, which provided a daytime load when lighting was not required. In 1899 he went to South Africa with the Electrical Engineers Volunteer Corps, providing telegraphs and searchlights in the Boer War. He was appointed Engineer to the new Road Board in 1910, and during the First World War worked for the Government on engineering problems associated with munitions and tanks. He believed strongly in the value of engineering standards, and in 1906 became the first Secretary of the International Electrotechnical Commission.[br]Bibliography1928, Reminiscences.Further ReadingB.Bowers, 1969, R.E.B.Crompton. Pioneer Electrical Engineer, London: Science Museum.BBBiographical history of technology > Crompton, Rookes Evelyn Bell
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