GB190413016A - Improved Method of and Apparatus for Obtaining a Constant Potential Current from a Variable Speed Dynamo - Google Patents

Improved Method of and Apparatus for Obtaining a Constant Potential Current from a Variable Speed Dynamo

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Publication number
GB190413016A
GB190413016A GB190413016DA GB190413016A GB 190413016 A GB190413016 A GB 190413016A GB 190413016D A GB190413016D A GB 190413016DA GB 190413016 A GB190413016 A GB 190413016A
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GB
United Kingdom
Prior art keywords
dynamo
field
main
auxiliary generator
circuit
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
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CIE GENERALE D ELECTRICITE DE
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CIE GENERALE D ELECTRICITE DE
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Application filed by CIE GENERALE D ELECTRICITE DE filed Critical CIE GENERALE D ELECTRICITE DE
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Publication of GB190413016A publication Critical patent/GB190413016A/en
Expired legal-status Critical Current

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Abstract

13,016. LoppÚ, F., and Compagnie GÚnÚrale d'ElectricitÚ de Creil. Nov. 10, A.D. 1903, [date applied for under Patents Act, A.D. 1901]. Dynamos, regulating. - Relates to means for obtaining a constant potential from a variablespeed dynamo, applicable for charging accumulators, train lighting, &c. A small auxiliary generator is arranged in connection with the field circuit to reduce the excitation as the speed increases. Fig. 1 shows one arrangement, a secondary battery Q being in shunt with the main circuit C. In the circuit of the field coil E of the main dynamo D is arranged the armature d of the auxiliary generator, which is adapted to oppose or reduce the electromotive force of the battery Q. The field coil e of the auxiliary generator carries the main current, or a part of it may be shunted by a rheostat R. The armature d may be mounted on the same shaft as the dynamo D, or driven proportionately to it. Therefore, if the speed of the dynamo increases, the field is reduced, and by suitably proportioning the winding the potential at the terminals may be kept constant. An automatic switch may be provided to open the main dynamo field circuits when the dynamo is not running.
GB190413016D 1903-11-10 1904-06-08 Improved Method of and Apparatus for Obtaining a Constant Potential Current from a Variable Speed Dynamo Expired GB190413016A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR190413016X 1903-11-10

Publications (1)

Publication Number Publication Date
GB190413016A true GB190413016A (en) 1905-06-08

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ID=32117043

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190413016D Expired GB190413016A (en) 1903-11-10 1904-06-08 Improved Method of and Apparatus for Obtaining a Constant Potential Current from a Variable Speed Dynamo

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GB (1) GB190413016A (en)

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