GB866402A - Improvements in or relating to the insulation of electrical apparatus - Google Patents

Improvements in or relating to the insulation of electrical apparatus

Info

Publication number
GB866402A
GB866402A GB40690/58A GB4069058A GB866402A GB 866402 A GB866402 A GB 866402A GB 40690/58 A GB40690/58 A GB 40690/58A GB 4069058 A GB4069058 A GB 4069058A GB 866402 A GB866402 A GB 866402A
Authority
GB
United Kingdom
Prior art keywords
urea
weight
wire
resin
enamel
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
GB40690/58A
Other languages
English (en)
Inventor
James G Ford
Frank A Sattler
Swiss Jack
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB866402A publication Critical patent/GB866402A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/323—Insulation between winding turns, between winding layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/185—Substances or derivates of cellulose
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)
  • Epoxy Resins (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Processes Specially Adapted For Manufacturing Cables (AREA)
  • Paper (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
GB40690/58A 1957-12-24 1958-12-17 Improvements in or relating to the insulation of electrical apparatus Expired GB866402A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US704987A US2991326A (en) 1957-12-24 1957-12-24 Insulation system for electrical apparatus containing liquid dielectrics

Publications (1)

Publication Number Publication Date
GB866402A true GB866402A (en) 1961-04-26

Family

ID=24831645

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40690/58A Expired GB866402A (en) 1957-12-24 1958-12-17 Improvements in or relating to the insulation of electrical apparatus

Country Status (4)

Country Link
US (1) US2991326A (enrdf_load_html_response)
JP (1) JPS351577B1 (enrdf_load_html_response)
BE (1) BE574108A (enrdf_load_html_response)
GB (1) GB866402A (enrdf_load_html_response)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239598A (en) * 1961-04-04 1966-03-08 Anaconda Wire & Cable Co Polyvinyl acetal resin together with an epoxy resin and a resin selected from urea formaldehyde, melamine, and phenol formaldehyde coated on an insulated wire and method for producing the same
NL255144A (enrdf_load_html_response) * 1962-03-23
US3324222A (en) * 1963-10-28 1967-06-06 Westinghouse Electric Corp Treated cellulosic material and electrical apparatus embodying the same
US3313879A (en) * 1963-10-28 1967-04-11 Westinghouse Electric Corp Treated cellulosic material and electrical apparatus embodying the same
US3291039A (en) * 1964-04-20 1966-12-13 John A Manning Paper Co Inc Paper calender roll
US3510346A (en) * 1966-10-21 1970-05-05 Westinghouse Electric Corp Thermally stable cellulose products
US8193896B2 (en) * 2008-08-15 2012-06-05 Martin Weinberg Polyamide electrical insulation for use in liquid filled transformers
EP2606498B1 (en) 2010-08-19 2020-04-15 Martin Weinberg Improved polyamide electrical insulation for use in liquid filled transformers

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2243560A (en) * 1938-07-08 1941-05-27 Gen Electric Insulated electrical conductor
GB542874A (en) * 1940-04-10 1942-01-30 Carbide & Carbon Chem Corp Improvements in and relating to the production of resinous products
BE489971A (enrdf_load_html_response) * 1948-07-05
US2722561A (en) * 1949-09-03 1955-11-01 Westinghouse Electric Corp Heat stabilizing of cellulosic insulation in electrical apparatus
FR1036376A (fr) * 1950-07-03 1953-09-07 Albert Ag Chem Werke Procédé de préparation de résines urée-formol résistant à l'attaque des produits chimiques
US2591539A (en) * 1950-10-03 1952-04-01 Devoe & Raynolds Co Resinous compositions
GB707320A (en) * 1951-11-30 1954-04-14 Sydney Leonard Morgan Saunders Improvements in and relating to insulated metal wire and coating compositions for use in the production thereof
US2864728A (en) * 1954-07-12 1958-12-16 Glidden Co Copper conductor coated with silicone resin composition
US2730466A (en) * 1954-08-30 1956-01-10 Gen Electric Insulated electrical conductor
US2730467A (en) * 1954-09-21 1956-01-10 Gen Electric Insulated electrical conductors
US2823195A (en) * 1955-02-21 1958-02-11 Dow Corning Organosilicon polyamide compositions and method of making same

Also Published As

Publication number Publication date
US2991326A (en) 1961-07-04
BE574108A (fr) 1959-04-16
JPS351577B1 (enrdf_load_html_response) 1960-03-01

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