CA484965A - Circuit interrupters embodying polytetrafluoroethylene - Google Patents

Circuit interrupters embodying polytetrafluoroethylene

Info

Publication number
CA484965A
CA484965A CA484965A CA484965DA CA484965A CA 484965 A CA484965 A CA 484965A CA 484965 A CA484965 A CA 484965A CA 484965D A CA484965D A CA 484965DA CA 484965 A CA484965 A CA 484965A
Authority
CA
Canada
Prior art keywords
polytetrafluoroethylene
embodying
circuit interrupters
interrupters
circuit
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
CA484965A
Other languages
French (fr)
Inventor
J. Berberich Leo
P. Strom Albert
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.)
CBS 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.)
Publication date
Application granted granted Critical
Publication of CA484965A publication Critical patent/CA484965A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/76Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02Details
    • H01H85/38Means for extinguishing or suppressing arc
    • H01H85/42Means for extinguishing or suppressing arc using an arc-extinguishing gas
CA484965A 1947-03-20 Circuit interrupters embodying polytetrafluoroethylene Expired CA484965A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US736070A US2531007A (en) 1947-03-20 1947-03-20 Circuit interrupter embodying polytetrafluoroethylene

Publications (1)

Publication Number Publication Date
CA484965A true CA484965A (en) 1952-07-15

Family

ID=24958388

Family Applications (1)

Application Number Title Priority Date Filing Date
CA484965A Expired CA484965A (en) 1947-03-20 Circuit interrupters embodying polytetrafluoroethylene

Country Status (2)

Country Link
US (1) US2531007A (en)
CA (1) CA484965A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476903A1 (en) * 1980-02-27 1981-08-28 Ramon Paul High voltage circuit breaker generating dielectric gas by pyrolytic ac - uses PTFE slug in moving contact giving rise to pyrolytic decomposition under the heat of the arc and hastening extinction

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757261A (en) * 1951-07-19 1956-07-31 Westinghouse Electric Corp Circuit interrupters
US2887526A (en) * 1952-02-26 1959-05-19 Us Gasket Company Fluoro-carbon ceramic and glass products
US2782179A (en) * 1953-01-14 1957-02-19 Du Pont Process for preparing polytetrafluoroethylene-asbestos compositions
US2783405A (en) * 1953-02-24 1957-02-26 Atkins Bernard Roy Dynamo-electric machine brush
DE974777C (en) * 1953-08-20 1961-04-20 Licentia Gmbh Extinguishing fluid
US2824060A (en) * 1954-10-15 1958-02-18 Hobart S White Bearing compositions containing polytetrafluoroethylene and polytrifluorochloroethylene
US2989657A (en) * 1956-07-23 1961-06-20 Westinghouse Electric Corp Laminated structure having polyfluoroethylene on one surface thereof
US3042574A (en) * 1957-09-25 1962-07-03 Du Pont Method of making laminated structures
US3056709A (en) * 1958-12-22 1962-10-02 Garlock Inc Etched filler containing polytetrafluoroethylene bearing material
US3128360A (en) * 1960-01-14 1964-04-07 Ite Circuit Breaker Ltd Interrupter structure having splitter plates of malleable material
US3304387A (en) * 1966-01-24 1967-02-14 S & C Electric Co Current-limiting fuse having parallel current-limiting elements and a series connected current calibrated element with auxiliary arc gaps to blow the current-limiting elements one by one
US3213254A (en) * 1962-12-31 1965-10-19 Westinghouse Electric Corp Arc resistant orifice embodying fluorocarbon resins and a plastic member
US3287524A (en) * 1964-10-28 1966-11-22 Joslyn Mfg & Supply Co Sand-teflon means to improve low current interruption performance of high voltage current limiting type fuses
SE389426B (en) * 1976-02-27 1976-11-01 Lumalampan Ab ADDITION TO SOCKET KIT FOR ELECTRIC LAMPS
CH601917A5 (en) * 1976-10-27 1978-07-14 Bbc Brown Boveri & Cie
US4143256A (en) * 1977-03-17 1979-03-06 General Electric Company Arc chute having plates coated with weld deterent material

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL53195C (en) * 1935-07-03
US2155276A (en) * 1936-05-28 1939-04-18 Gen Electric Quenching chamber for electric gas switches
BE424496A (en) * 1936-11-10
US2142840A (en) * 1937-06-29 1939-01-03 Gen Electric Electric circuit interrupter
BE483190A (en) * 1939-03-22
US2328825A (en) * 1941-09-25 1943-09-07 Schweitzer & Conrad Inc Arc-extinguishing means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476903A1 (en) * 1980-02-27 1981-08-28 Ramon Paul High voltage circuit breaker generating dielectric gas by pyrolytic ac - uses PTFE slug in moving contact giving rise to pyrolytic decomposition under the heat of the arc and hastening extinction

Also Published As

Publication number Publication date
US2531007A (en) 1950-11-21

Similar Documents

Publication Publication Date Title
CA484965A (en) Circuit interrupters embodying polytetrafluoroethylene
CA439305A (en) Circuit interrupter
CA439745A (en) Circuit interrupter
CA440397A (en) Circuit interrupter
CA440644A (en) Circuit interrupter
CA440764A (en) Circuit interrupter
CA440901A (en) Circuit interrupter
CA441047A (en) Circuit interrupter
CA441335A (en) Circuit interrupter
CA441338A (en) Circuit interrupter
CA441339A (en) Circuit interrupter
CA441340A (en) Circuit interrupter
CA441341A (en) Circuit interrupter
CA442738A (en) Multiple circuit interrupter
CA444516A (en) High voltage circuit interrupter
CA433903A (en) Circuit interrupter
CA432270A (en) Circuit interrupter
CA432285A (en) Circuit interrupter
CA433396A (en) Circuit interrupter
CA433896A (en) Circuit interrupter
CA433901A (en) Circuit interrupter
CA432272A (en) Circuit interrupter
CA434867A (en) Circuit interrupter
CA435696A (en) Circuit interrupter
CA435601A (en) Circuit interrupter