IT1125202B - Resistore a sicurezza intrinseca - Google Patents

Resistore a sicurezza intrinseca

Info

Publication number
IT1125202B
IT1125202B IT68105/76A IT6810576A IT1125202B IT 1125202 B IT1125202 B IT 1125202B IT 68105/76 A IT68105/76 A IT 68105/76A IT 6810576 A IT6810576 A IT 6810576A IT 1125202 B IT1125202 B IT 1125202B
Authority
IT
Italy
Prior art keywords
intrinsically safe
safe resistor
resistor
intrinsically
safe
Prior art date
Application number
IT68105/76A
Other languages
English (en)
Original Assignee
Wabco Westinghouse Spa
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 Wabco Westinghouse Spa filed Critical Wabco Westinghouse Spa
Priority to IT68105/76A priority Critical patent/IT1125202B/it
Priority to US05/792,639 priority patent/US4101820A/en
Priority to CA277,809A priority patent/CA1084581A/en
Application granted granted Critical
Publication of IT1125202B publication Critical patent/IT1125202B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective 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
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/046—Fuses formed as printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective 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
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/048—Fuse resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective 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
    • H01H85/0039—Means for influencing the rupture process of the fusible element
    • H01H85/0073—Expansion or rupture of the insulating support for the fusible element
IT68105/76A 1976-05-06 1976-05-06 Resistore a sicurezza intrinseca IT1125202B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT68105/76A IT1125202B (it) 1976-05-06 1976-05-06 Resistore a sicurezza intrinseca
US05/792,639 US4101820A (en) 1976-05-06 1977-05-02 Fail-safe resistor
CA277,809A CA1084581A (en) 1976-05-06 1977-05-05 Fail-safe resistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68105/76A IT1125202B (it) 1976-05-06 1976-05-06 Resistore a sicurezza intrinseca

Publications (1)

Publication Number Publication Date
IT1125202B true IT1125202B (it) 1986-05-14

Family

ID=11307886

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68105/76A IT1125202B (it) 1976-05-06 1976-05-06 Resistore a sicurezza intrinseca

Country Status (3)

Country Link
US (1) US4101820A (it)
CA (1) CA1084581A (it)
IT (1) IT1125202B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2479637A1 (fr) * 1980-03-26 1981-10-02 Thomson Csf Structure d'element resistif a echauffement controle, et circuit hybride comportant un tel element
US4501956A (en) * 1981-09-18 1985-02-26 International Standard Electric Corporation Electrical resistance heating element
GB2168540A (en) * 1984-12-12 1986-06-18 George France Resistors capable of withstanding power surges
US5506494A (en) * 1991-04-26 1996-04-09 Nippondenso Co., Ltd. Resistor circuit with reduced temperature coefficient of resistance
JP3049843B2 (ja) * 1991-04-26 2000-06-05 株式会社デンソー 抵抗体電極構造の形成方法
US5604475A (en) * 1994-04-07 1997-02-18 S&C Electric Company Current-limiting fuse and housing arrangement
US5594407A (en) * 1994-07-12 1997-01-14 Caddock Electronics, Inc. Debris-reducing film-type resistor and method
DE19634424C2 (de) 1996-08-26 1998-07-02 Abb Research Ltd Verfahren zur Herstellung eines Strombegrenzers mit einem Hochtemperatursupraleiter
US7733211B2 (en) * 2005-06-21 2010-06-08 Rohm Co., Ltd. Chip resistor and its manufacturing process
IT1396663B1 (it) * 2009-12-09 2012-12-14 Site S P A Resistore di sicurezza

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898603A (en) * 1969-07-30 1975-08-05 Westinghouse Electric Corp Integrated circuit wafers containing links that are electrically programmable without joule-heating melting, and methods of making and programming the same
US3887893A (en) * 1973-09-24 1975-06-03 Allen Bradley Co Fusible resistor
GB1466569A (en) * 1973-10-05 1977-03-09 Erie Electronics Ltd Resistors
JPS5239162A (en) * 1975-09-23 1977-03-26 Jiyuichirou Ozawa Fuse resistor

Also Published As

Publication number Publication date
US4101820A (en) 1978-07-18
CA1084581A (en) 1980-08-26

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950531