GB2092380B - Thermal protection of capacitor - Google Patents

Thermal protection of capacitor

Info

Publication number
GB2092380B
GB2092380B GB8200244A GB8200244A GB2092380B GB 2092380 B GB2092380 B GB 2092380B GB 8200244 A GB8200244 A GB 8200244A GB 8200244 A GB8200244 A GB 8200244A GB 2092380 B GB2092380 B GB 2092380B
Authority
GB
United Kingdom
Prior art keywords
capacitor
capacitor element
terminal
bridges
terminal bridges
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
GB8200244A
Other versions
GB2092380A (en
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB2092380A publication Critical patent/GB2092380A/en
Application granted granted Critical
Publication of GB2092380B publication Critical patent/GB2092380B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/14—Protection against electric or thermal overload
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/32—Wound capacitors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Abstract

An electrical capacitor has a capacitor element (10) formed as a winding or stack (12) of dielectric foils provided with terminal bridges (14, 16) sprayed onto both ends and an interrupting device (22) which separates one or both leads (30,32) of the capacitor from the winding or stack (12) on the occurrence of an inadmissibly high heating of the capacitor element and of the formation of gas in its interior induced thereby. The interrupting device has a rigid plate (22) which engages a surface section of the capacitor element cambering outwardly on the formation of gas and extends up to both terminal bridges (14, 16). The terminal leads (30,32) of the capacitor element are at least frictionally retained in the edge surface regions (24,26) of the rigid plate (22) and are connected to the terminal bridges (14, 16) by connecting webs (40) sprayed onto the edge surface regions, simultaneously with, or after, the terminal bridges (14, 16). The webs (40) are broken when overheating moves the plate 22. <IMAGE>
GB8200244A 1981-02-04 1982-01-06 Thermal protection of capacitor Expired GB2092380B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813103742 DE3103742A1 (en) 1981-02-04 1981-02-04 "ELECTRIC CAPACITOR WITH A CONDENSER ELEMENT Wrapped or Stacked"

Publications (2)

Publication Number Publication Date
GB2092380A GB2092380A (en) 1982-08-11
GB2092380B true GB2092380B (en) 1985-04-24

Family

ID=6124022

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8200244A Expired GB2092380B (en) 1981-02-04 1982-01-06 Thermal protection of capacitor

Country Status (3)

Country Link
DE (1) DE3103742A1 (en)
GB (1) GB2092380B (en)
IT (1) IT1150169B (en)

Also Published As

Publication number Publication date
GB2092380A (en) 1982-08-11
IT8219419A0 (en) 1982-02-02
DE3103742A1 (en) 1982-08-19
IT1150169B (en) 1986-12-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee