JPS57155025A - Quick heating type glow plug for diesel engine - Google Patents

Quick heating type glow plug for diesel engine

Info

Publication number
JPS57155025A
JPS57155025A JP3939281A JP3939281A JPS57155025A JP S57155025 A JPS57155025 A JP S57155025A JP 3939281 A JP3939281 A JP 3939281A JP 3939281 A JP3939281 A JP 3939281A JP S57155025 A JPS57155025 A JP S57155025A
Authority
JP
Japan
Prior art keywords
temperature
heat
resistance
core material
constitution
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.)
Pending
Application number
JP3939281A
Other languages
Japanese (ja)
Inventor
Tetsuo Koyama
Shiro Iijima
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3939281A priority Critical patent/JPS57155025A/en
Publication of JPS57155025A publication Critical patent/JPS57155025A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F23Q7/001—Glowing plugs for internal-combustion engines

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

PURPOSE:To improve durability and quick heatability by using a composite core material having a positive high resistance temperature coefficient and covered with a metal or an alloy having a higher oxidation resistance than that of the core material for heating element. CONSTITUTION:An iron core metal 2 having a positive high resistance temperature coefficient is inserted into an alloy tube 1 made of heat proof metals, such as Ni-Cr, Ni-Cr-Fe and Fe-Cr-Al for covering. Through this constitution, a temperature in a complex resistance wire is first increased quickly as the conductivity depends on iron up to a temperature of about 700 deg.C. Then, when specific electric resistance of the core material 2 becomes almost equal to that of the heat resistant alloy tube 1, the heat generated by the resistance becomes controllable with the heat resistant alloy, the temperature dependence is lowered and the Joule heat attains the limit at a fixed temperature without a special control circuit. Then, the heat resistane is improved and preheating time can be reduced.
JP3939281A 1981-03-20 1981-03-20 Quick heating type glow plug for diesel engine Pending JPS57155025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3939281A JPS57155025A (en) 1981-03-20 1981-03-20 Quick heating type glow plug for diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3939281A JPS57155025A (en) 1981-03-20 1981-03-20 Quick heating type glow plug for diesel engine

Publications (1)

Publication Number Publication Date
JPS57155025A true JPS57155025A (en) 1982-09-25

Family

ID=12551721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3939281A Pending JPS57155025A (en) 1981-03-20 1981-03-20 Quick heating type glow plug for diesel engine

Country Status (1)

Country Link
JP (1) JPS57155025A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60217A (en) * 1983-06-15 1985-01-05 Ngk Spark Plug Co Ltd Ceramic glow plug
JPS60216A (en) * 1983-06-15 1985-01-05 Ngk Spark Plug Co Ltd Glow plug
US5626781A (en) * 1995-03-28 1997-05-06 Beru Ruprecht Gmbh & Co. Glow plug with protective coating

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60217A (en) * 1983-06-15 1985-01-05 Ngk Spark Plug Co Ltd Ceramic glow plug
JPS60216A (en) * 1983-06-15 1985-01-05 Ngk Spark Plug Co Ltd Glow plug
JPH0259372B2 (en) * 1983-06-15 1990-12-12 Ngk Spark Plug Co
JPH0316566B2 (en) * 1983-06-15 1991-03-05 Ngk Spark Plug Co
US5626781A (en) * 1995-03-28 1997-05-06 Beru Ruprecht Gmbh & Co. Glow plug with protective coating

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