CA998765A - Oil-filled electrical instrument and method of manufacturing the same - Google Patents

Oil-filled electrical instrument and method of manufacturing the same

Info

Publication number
CA998765A
CA998765A CA184,059A CA184059A CA998765A CA 998765 A CA998765 A CA 998765A CA 184059 A CA184059 A CA 184059A CA 998765 A CA998765 A CA 998765A
Authority
CA
Canada
Prior art keywords
oil
manufacturing
same
electrical instrument
filled electrical
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
CA184,059A
Other languages
English (en)
Other versions
CA184059S (en
Inventor
Yoshiaki Hayashi
Kohei Sato
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP10968272A external-priority patent/JPS5219653B2/ja
Priority claimed from JP10968372A external-priority patent/JPS5219655B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA998765A publication Critical patent/CA998765A/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
    • H01F27/321—Insulating of coils, windings, or parts thereof using a fluid for insulating purposes only
    • 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
    • H01F27/02—Casings
    • H01F27/022—Encapsulation
    • 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
    • H01F27/327—Encapsulating or impregnating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/005—Impregnating or encapsulating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/018—Dielectrics
    • H01G4/20—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06
    • H01G4/22—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06 impregnated
CA184,059A 1972-10-31 1973-10-23 Oil-filled electrical instrument and method of manufacturing the same Expired CA998765A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10968272A JPS5219653B2 (de) 1972-10-31 1972-10-31
JP10968372A JPS5219655B2 (de) 1972-10-31 1972-10-31

Publications (1)

Publication Number Publication Date
CA998765A true CA998765A (en) 1976-10-19

Family

ID=26449412

Family Applications (1)

Application Number Title Priority Date Filing Date
CA184,059A Expired CA998765A (en) 1972-10-31 1973-10-23 Oil-filled electrical instrument and method of manufacturing the same

Country Status (5)

Country Link
US (1) US3905001A (de)
CA (1) CA998765A (de)
DE (1) DE2354087C3 (de)
FR (1) FR2204942B1 (de)
GB (1) GB1452766A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5812555Y2 (ja) * 1977-09-27 1983-03-10 電気音響株式会社 フライバツクトランス
US4363074A (en) * 1980-03-07 1982-12-07 Murata Manufacturing Co., Ltd. High voltage generating device
EP0191694A1 (de) * 1985-02-08 1986-08-20 Schlumberger Canada Limited Hochspannungstransformator und Verfahren zur Herstellung
US4982498A (en) * 1987-12-03 1991-01-08 Mitsubishi Denki Kabushiki Kaisha Method of making a high-voltage transformer
US5047744A (en) * 1990-01-23 1991-09-10 Plasma Technics, Inc. High voltage fluid filled transformer
US5527988A (en) * 1993-09-08 1996-06-18 Cooper Industries, Inc. Tank for an oil-filled, pad-mounted electrical distribution transformer
US5781092A (en) * 1995-06-09 1998-07-14 Aisan Kogyo Kabushiki Kaisha Ignition coil for an internal combustion engine
CN102664090B (zh) * 2012-04-26 2014-10-22 衡阳市南方互感器有限公司 可视互感器雾状滴注真空注油装置
CN113168957A (zh) * 2018-06-07 2021-07-23 西门子能源巴西有限公司 芯密封组件、芯线圈组件以及密封方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2141141A (en) * 1937-12-27 1938-12-20 American Bosch Corp Ignition coil
US2168154A (en) * 1938-03-16 1939-08-01 Gen Electric Transformer
US2297605A (en) * 1939-08-02 1942-09-29 Gen Electric Transformer
US3138773A (en) * 1959-12-01 1964-06-23 Gen Electric Electrical coils with permeable resin bonding permitting penetration of dielectric liquid therethrough
US3233311A (en) * 1961-06-05 1966-02-08 Gen Electric Method of making encapsulated coils
US3587168A (en) * 1968-10-28 1971-06-28 Westinghouse Canada Ltd Method of making insulated electrical apparatus
US3766505A (en) * 1970-08-27 1973-10-16 Matsushita Electric Ind Co Ltd Flyback transformer device

Also Published As

Publication number Publication date
DE2354087B2 (de) 1978-10-12
DE2354087C3 (de) 1979-06-07
FR2204942A1 (de) 1974-05-24
FR2204942B1 (de) 1978-02-10
US3905001A (en) 1975-09-09
GB1452766A (en) 1976-10-13
DE2354087A1 (de) 1974-05-09

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