GB149372A - - Google Patents

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Publication number
GB149372A
GB149372A GB149372DA GB149372A GB 149372 A GB149372 A GB 149372A GB 149372D A GB149372D A GB 149372DA GB 149372 A GB149372 A GB 149372A
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GB
United Kingdom
Prior art keywords
rings
collector
rotor
short
circuit
Prior art date
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Publication of GB149372A publication Critical patent/GB149372A/en
Active legal-status Critical Current

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  • Motor Or Generator Current Collectors (AREA)

Abstract

149,372. Bolton, E. June 7, 1919. Alternating-current induction machines; collecting-rings.-A detachable collector for dynamoelectric machines comprises two or more pairs of rings b, c connected together by mercury m, the rings c being stationary while the rings b are connected to plugs a for insertion in contact sockets in the rotor. By suitably modifying the collector, it may be arranged in a vertical position. A starting-resistance may be connected to the stationary ring c so as to be included in the rotor circuit; and a short-circuiting device comprising a spring- pressed metal disk may be provided which comes into operation to short-circuit the rotor winding when the collector is withdrawn.
GB149372D Active GB149372A (en)

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GB149372A true GB149372A (en)

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ID=1731133

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889531A (en) * 1955-12-08 1959-06-02 Harry E Ellerman Collector ring assembly
US3313139A (en) * 1963-11-21 1967-04-11 France Etat Precision centrifuge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889531A (en) * 1955-12-08 1959-06-02 Harry E Ellerman Collector ring assembly
US3313139A (en) * 1963-11-21 1967-04-11 France Etat Precision centrifuge

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