GB122290A - Centrifugal Type of Mercury Cut-out for Dynamo Electrical Machines. - Google Patents

Centrifugal Type of Mercury Cut-out for Dynamo Electrical Machines.

Info

Publication number
GB122290A
GB122290A GB254918A GB254918A GB122290A GB 122290 A GB122290 A GB 122290A GB 254918 A GB254918 A GB 254918A GB 254918 A GB254918 A GB 254918A GB 122290 A GB122290 A GB 122290A
Authority
GB
United Kingdom
Prior art keywords
electrical machines
centrifugal type
mercury cut
dynamo electrical
dynamo
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
GB254918A
Inventor
Noel Evelyn Dufty
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB254918A priority Critical patent/GB122290A/en
Publication of GB122290A publication Critical patent/GB122290A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00—Switches having at least one liquid contact
    • H01H29/26—Switches having at least one liquid contact with level of surface of contact liquid displaced by centrifugal action

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

122,290. Dufty, N. E. Feb. 13, 1918. Controllers for continuous or alternating current motors are constructed in the form of a drum D, with two or more contacts C<1>, C<2> arranged around its interior, these being connected by mercury, which is spread out in the form of a film by centrifugal force, when the drum is rotated.
GB254918A 1918-02-13 1918-02-13 Centrifugal Type of Mercury Cut-out for Dynamo Electrical Machines. Expired GB122290A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB254918A GB122290A (en) 1918-02-13 1918-02-13 Centrifugal Type of Mercury Cut-out for Dynamo Electrical Machines.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB254918A GB122290A (en) 1918-02-13 1918-02-13 Centrifugal Type of Mercury Cut-out for Dynamo Electrical Machines.

Publications (1)

Publication Number Publication Date
GB122290A true GB122290A (en) 1919-01-23

Family

ID=32669974

Family Applications (1)

Application Number Title Priority Date Filing Date
GB254918A Expired GB122290A (en) 1918-02-13 1918-02-13 Centrifugal Type of Mercury Cut-out for Dynamo Electrical Machines.

Country Status (1)

Country Link
GB (1) GB122290A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094595A (en) * 1960-10-20 1963-06-18 Leblond Mach Tool Co R K Zero speed switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094595A (en) * 1960-10-20 1963-06-18 Leblond Mach Tool Co R K Zero speed switch

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