CA970807A - Two-pressure circuit breaker with contact cooling by the direct expansion of high-pressure dielectric gas - Google Patents

Two-pressure circuit breaker with contact cooling by the direct expansion of high-pressure dielectric gas

Info

Publication number
CA970807A
CA970807A CA158,782A CA158782A CA970807A CA 970807 A CA970807 A CA 970807A CA 158782 A CA158782 A CA 158782A CA 970807 A CA970807 A CA 970807A
Authority
CA
Canada
Prior art keywords
pressure
circuit breaker
direct expansion
contact cooling
dielectric gas
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
CA158,782A
Inventor
James B. Macbeth
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.)
ITE Imperial Corp
Original Assignee
ITE Imperial 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 ITE Imperial Corp filed Critical ITE Imperial Corp
Application granted granted Critical
Publication of CA970807A publication Critical patent/CA970807A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/62—Heating or cooling of contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/80—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve
    • H01H33/82—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/52—Cooling of switch parts
    • H01H2009/523—Cooling of switch parts by using heat pipes
CA158,782A 1972-03-14 1972-12-13 Two-pressure circuit breaker with contact cooling by the direct expansion of high-pressure dielectric gas Expired CA970807A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00234489A US3816682A (en) 1972-03-14 1972-03-14 Two-pressure circuit breaker with contact cooling by the direct expansion of high-pressure dielectric gas

Publications (1)

Publication Number Publication Date
CA970807A true CA970807A (en) 1975-07-08

Family

ID=22881602

Family Applications (1)

Application Number Title Priority Date Filing Date
CA158,782A Expired CA970807A (en) 1972-03-14 1972-12-13 Two-pressure circuit breaker with contact cooling by the direct expansion of high-pressure dielectric gas

Country Status (2)

Country Link
US (1) US3816682A (en)
CA (1) CA970807A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1395697B1 (en) * 2009-05-28 2012-10-19 Abb Spa CURRENT TRANSFORMER, PROTECTIVE DEVICE INCLUDING SUCH TRANSFORMER, AND RELATIVE SWITCH
EP2390890B1 (en) * 2010-05-28 2015-03-25 ABB Technology AG Switching chamber isolation assembly for a circuit breaker
WO2019079426A1 (en) 2017-10-17 2019-04-25 Automotive Technologies International, Inc. High speed valve
EP3819925B1 (en) * 2019-11-06 2025-04-02 General Electric Technology GmbH Improved insulating support assembly for a circuit breaker

Also Published As

Publication number Publication date
US3816682A (en) 1974-06-11

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