US3281563A - Vacuum switch having an improved electrode tip - Google Patents

Vacuum switch having an improved electrode tip Download PDF

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Publication number
US3281563A
US3281563A US352080A US35208064A US3281563A US 3281563 A US3281563 A US 3281563A US 352080 A US352080 A US 352080A US 35208064 A US35208064 A US 35208064A US 3281563 A US3281563 A US 3281563A
Authority
US
United States
Prior art keywords
tip
arcing voltage
vacuum switch
metal
contact
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 - Lifetime
Application number
US352080A
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English (en)
Inventor
Waterton Frank
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries 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
Application filed by Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Application granted granted Critical
Publication of US3281563A publication Critical patent/US3281563A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/0203—Contacts characterised by the material thereof specially adapted for vacuum switches

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  • Contacts (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
US352080A 1963-04-23 1964-03-16 Vacuum switch having an improved electrode tip Expired - Lifetime US3281563A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB15995/63A GB993737A (en) 1963-04-23 1963-04-23 Improvements relating to vacuum switch contacts

Publications (1)

Publication Number Publication Date
US3281563A true US3281563A (en) 1966-10-25

Family

ID=10069302

Family Applications (1)

Application Number Title Priority Date Filing Date
US352080A Expired - Lifetime US3281563A (en) 1963-04-23 1964-03-16 Vacuum switch having an improved electrode tip

Country Status (6)

Country Link
US (1) US3281563A (de)
BE (1) BE646994A (de)
CH (1) CH418436A (de)
DE (1) DE1219561B (de)
GB (1) GB993737A (de)
NL (1) NL6404508A (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3379846A (en) * 1964-04-21 1968-04-23 English Electric Co Ltd Electrodes for electric devices operable in a vacuum
US3381703A (en) * 1965-04-07 1968-05-07 Whittaker Corp Self-adjusting valve seat
US3614361A (en) * 1969-09-10 1971-10-19 Allis Chalmers Mfg Co Contact with low-cathode drop material insert
US3626124A (en) * 1969-11-17 1971-12-07 Peter A Denes Arc and spark extinguishing contacts utilizing single domain magnetic particles
US3825789A (en) * 1973-06-29 1974-07-23 Gen Electric Vacuum arc devices with hard, ductile, ferrous electrodes
WO2020242801A1 (en) * 2019-05-24 2020-12-03 Frank P Stacom Methods and systems for dc current interrupter based on thermionic arc extinction via anode ion depletion

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1633258A (en) * 1925-10-08 1927-06-21 Clemens A Laise Refractory metal alloy of high density and high melting point and method of making the same
US2179960A (en) * 1931-11-28 1939-11-14 Schwarzkopf Paul Agglomerated material in particular for electrical purposes and shaped bodies made therefrom
US2362007A (en) * 1943-03-23 1944-11-07 Mallory & Co Inc P R Method of making sintered copper chromium metal composition
US2900476A (en) * 1956-04-17 1959-08-18 Era Patents Ltd Electrical switching apparatus
US3014110A (en) * 1959-10-29 1961-12-19 Gen Electric Alternating current vacuum circuit interrupter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE407725C (de) * 1923-08-30 1925-01-02 Franz Joseph Koch Vakuumunterbrecher
DE914146C (de) * 1943-07-07 1954-06-28 Siemens Ag Vakuumschalter
DE1063247B (de) * 1958-09-05 1959-08-13 Siemens Ag Vakuumschalter, bei dem das Vakuum durch Sorptionsvorgaenge selbsttaetig aufrechterhalten wird

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1633258A (en) * 1925-10-08 1927-06-21 Clemens A Laise Refractory metal alloy of high density and high melting point and method of making the same
US2179960A (en) * 1931-11-28 1939-11-14 Schwarzkopf Paul Agglomerated material in particular for electrical purposes and shaped bodies made therefrom
US2362007A (en) * 1943-03-23 1944-11-07 Mallory & Co Inc P R Method of making sintered copper chromium metal composition
US2900476A (en) * 1956-04-17 1959-08-18 Era Patents Ltd Electrical switching apparatus
US3014110A (en) * 1959-10-29 1961-12-19 Gen Electric Alternating current vacuum circuit interrupter

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3379846A (en) * 1964-04-21 1968-04-23 English Electric Co Ltd Electrodes for electric devices operable in a vacuum
US3381703A (en) * 1965-04-07 1968-05-07 Whittaker Corp Self-adjusting valve seat
US3614361A (en) * 1969-09-10 1971-10-19 Allis Chalmers Mfg Co Contact with low-cathode drop material insert
US3626124A (en) * 1969-11-17 1971-12-07 Peter A Denes Arc and spark extinguishing contacts utilizing single domain magnetic particles
US3825789A (en) * 1973-06-29 1974-07-23 Gen Electric Vacuum arc devices with hard, ductile, ferrous electrodes
WO2020242801A1 (en) * 2019-05-24 2020-12-03 Frank P Stacom Methods and systems for dc current interrupter based on thermionic arc extinction via anode ion depletion
US10872739B2 (en) * 2019-05-24 2020-12-22 Frank P Stacom Methods and systems for DC current interrupter based on thermionic arc extinction via anode ion depletion

Also Published As

Publication number Publication date
NL6404508A (de) 1964-10-26
BE646994A (de) 1964-08-17
CH418436A (de) 1966-08-15
DE1219561B (de) 1966-06-23
GB993737A (en) 1965-06-02

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