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ES350685A1 - Electrical Resistor Element - Google Patents

Electrical Resistor Element

Info

Publication number
ES350685A1
ES350685A1 ES350685A ES350685A ES350685A1 ES 350685 A1 ES350685 A1 ES 350685A1 ES 350685 A ES350685 A ES 350685A ES 350685 A ES350685 A ES 350685A ES 350685 A1 ES350685 A1 ES 350685A1
Authority
ES
Spain
Prior art keywords
resistor
flame
resistance
resistor element
valve
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
ES350685A
Other languages
Spanish (es)
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.)
Danfoss AS
Original Assignee
Danfoss AS
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 Danfoss AS filed Critical Danfoss AS
Publication of ES350685A1 publication Critical patent/ES350685A1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
    • H01C7/042—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient mainly consisting of inorganic non-metallic substances
    • H01C7/048—Carbon or carbides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/14—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermo-sensitive resistors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
    • F23Q7/06—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs structurally associated with fluid-fuel burners
    • F23Q7/10—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs structurally associated with fluid-fuel burners for gaseous fuel, e.g. in welding appliances

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Combustion (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

A resistor having a negative temperature coefficient of resistance comprises SiC granules bonded by Si 3 N 4 . The Si 3 N 4 may be present on its own or may be combined with silicon oxynitride. The resistor is preferably in the form of a thin U-shaped body and may be used as an incandescent flame igniter or a flame sensor. In the former application the resistor is placed in a fuel stream while an alternating current is passed through it to produce incandescence. In the latter application the resistor is maintained in a flame, the change in resistance when the flame is extinguished causing the current flowing to be insufficient to retain open a magnetic valve 12 which closes the fuel supply, the valve being controlled also by a switch 15 or opened manually by means of a member 17.
ES350685A 1967-02-21 1968-02-20 Electrical Resistor Element Expired ES350685A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED0052342 1967-02-21

Publications (1)

Publication Number Publication Date
ES350685A1 true ES350685A1 (en) 1969-05-16

Family

ID=7054099

Family Applications (1)

Application Number Title Priority Date Filing Date
ES350685A Expired ES350685A1 (en) 1967-02-21 1968-02-20 Electrical Resistor Element

Country Status (7)

Country Link
AT (1) AT278975B (en)
BE (1) BE710379A (en)
DE (1) DE1615954A1 (en)
ES (1) ES350685A1 (en)
FR (1) FR1554406A (en)
GB (1) GB1158091A (en)
NL (1) NL6801565A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4120827A (en) * 1976-03-12 1978-10-17 The Carborundum Company Fuel igniter comprising a novel silicon carbide composition and process for preparing the composition
DK38981A (en) * 1981-01-29 1982-07-30 Danfoss As METHOD FOR CONNECTING REACTIONAL SUBSTANCES OF SILICON CARBID WITH SUBSTANCES OF IRON OR METAL AND IONIZATION ELECTRODE PREPARED BY THE MOTOD
GB2133866B (en) * 1983-01-19 1986-02-19 Atomic Energy Authority Uk Gas ignition

Also Published As

Publication number Publication date
GB1158091A (en) 1969-07-16
FR1554406A (en) 1969-01-17
AT278975B (en) 1970-02-25
DE1615954A1 (en) 1970-12-03
BE710379A (en) 1968-06-17
NL6801565A (en) 1968-08-22

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