GB1328189A - Current transfer in homopolar machines - Google Patents

Current transfer in homopolar machines

Info

Publication number
GB1328189A
GB1328189A GB1328189DA GB1328189A GB 1328189 A GB1328189 A GB 1328189A GB 1328189D A GB1328189D A GB 1328189DA GB 1328189 A GB1328189 A GB 1328189A
Authority
GB
United Kingdom
Prior art keywords
liquid metal
rotor
pads
aug
supplied
Prior art date
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
Application number
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Research and Development Co Ltd
Original Assignee
International Research and Development Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by International Research and Development Co Ltd filed Critical International Research and Development Co Ltd
Publication of GB1328189A publication Critical patent/GB1328189A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/04—Commutators
    • H01R39/045—Commutators the commutators being made of carbon
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K31/00—Acyclic motors or generators, i.e. DC machines having drum or disc armatures with continuous current collectors
    • H02K31/04—Acyclic motors or generators, i.e. DC machines having drum or disc armatures with continuous current collectors with at least one liquid-contact collector

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

1328189 Current collection in homopolar dynamo-electric machines INTERNATIONAL RESEARCH & DEVELOPMENT CO Ltd 24 Aug 1970 [27 Aug 1969] 14180/73 Divided out of 1326731 Heading H2A In a homopolar dynamo-electric machine liquid metal is supplied to a region of the rotor radially inwards of a porous ring or porous pads 18 mounted at the rotor periphery, so that under the action of centrifugal force the liquid metal is thrown radially outwards through the pores to the interface between the ring or pads 18 and stationary brushes 19. The rotor comprises a hollow shaft 12 to which the liquid metal is supplied (e.g. by the screw pump described in Specification 1,326,731) two circular plates 15 held apart by webs 16 between which are channels 17 for the liquid metal, and the sintered metal or carbon foam pads 18. It is said that the rotor may be made of insulating material so that the liquid metal itself constitutes the rotor conductors.
GB1328189D 1969-08-27 1969-08-27 Current transfer in homopolar machines Expired GB1328189A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1418073 1969-08-27

Publications (1)

Publication Number Publication Date
GB1328189A true GB1328189A (en) 1973-08-30

Family

ID=10036461

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1328189D Expired GB1328189A (en) 1969-08-27 1969-08-27 Current transfer in homopolar machines

Country Status (1)

Country Link
GB (1) GB1328189A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465352A1 (en) * 1979-09-10 1981-03-20 Breton Rene Very high power AC or DC generator - has coaxial rotors turning in opposite directions and liq. sliding contacts over generator surface
FR2948502A1 (en) * 2009-07-23 2011-01-28 Carbone Lorraine Applications Electriques Sliding electrical contact for use as e.g. electrified rail shoe in metro train, has metal foam formed of open cells, where open cells are partially filled with filling material that is resistant to abrasion and/or impacts
US10418770B2 (en) 2016-05-31 2019-09-17 Bae Systems Land & Armaments L.P. Multi-directional high current slip ring

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465352A1 (en) * 1979-09-10 1981-03-20 Breton Rene Very high power AC or DC generator - has coaxial rotors turning in opposite directions and liq. sliding contacts over generator surface
FR2948502A1 (en) * 2009-07-23 2011-01-28 Carbone Lorraine Applications Electriques Sliding electrical contact for use as e.g. electrified rail shoe in metro train, has metal foam formed of open cells, where open cells are partially filled with filling material that is resistant to abrasion and/or impacts
US10418770B2 (en) 2016-05-31 2019-09-17 Bae Systems Land & Armaments L.P. Multi-directional high current slip ring

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees