IT1258675B - Candela ad incandescanza con doppia spirale di controllo per motori diesel - Google Patents

Candela ad incandescanza con doppia spirale di controllo per motori diesel

Info

Publication number
IT1258675B
IT1258675B ITMI922903A ITMI922903A IT1258675B IT 1258675 B IT1258675 B IT 1258675B IT MI922903 A ITMI922903 A IT MI922903A IT MI922903 A ITMI922903 A IT MI922903A IT 1258675 B IT1258675 B IT 1258675B
Authority
IT
Italy
Prior art keywords
spark plug
heating
double
diesel engines
control spiral
Prior art date
Application number
ITMI922903A
Other languages
English (en)
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 filed Critical
Priority to ITMI922903A priority Critical patent/IT1258675B/it
Publication of ITMI922903A0 publication Critical patent/ITMI922903A0/it
Priority to EP93203524A priority patent/EP0602745A1/en
Publication of ITMI922903A1 publication Critical patent/ITMI922903A1/it
Application granted granted Critical
Publication of IT1258675B publication Critical patent/IT1258675B/it

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition

Landscapes

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

Abstract

Una candela ad incandescenza con doppia spirale di controllo della corrente, per il preriscaldamento di motori diesel. La candela comprende un corpo metallico dal quale si prolunga una guaina metallica tubolare contenente un elemento elettrico resistivo a doppia spirale, annegato in una polvere compattata di un materiale elettricamente isolante e termicamente conduttore; le due spirali dell'elemento riscaldante sono realizzate con fili di uno stesso materiale avente un elevato coefficiente di temperatura positivo in modo da fornire un doppio controllo differenziato della corrente assorbita durante le fasi di preriscaldamento e di post-riscaldamento, pur mantenendo tempi e temperature di riscaldamento a valori ottimali.
ITMI922903A 1992-12-18 1992-12-18 Candela ad incandescanza con doppia spirale di controllo per motori diesel IT1258675B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITMI922903A IT1258675B (it) 1992-12-18 1992-12-18 Candela ad incandescanza con doppia spirale di controllo per motori diesel
EP93203524A EP0602745A1 (en) 1992-12-18 1993-12-15 Dual control coil glow plug for diesel engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI922903A IT1258675B (it) 1992-12-18 1992-12-18 Candela ad incandescanza con doppia spirale di controllo per motori diesel

Publications (3)

Publication Number Publication Date
ITMI922903A0 ITMI922903A0 (it) 1992-12-18
ITMI922903A1 ITMI922903A1 (it) 1994-06-18
IT1258675B true IT1258675B (it) 1996-02-27

Family

ID=11364489

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI922903A IT1258675B (it) 1992-12-18 1992-12-18 Candela ad incandescanza con doppia spirale di controllo per motori diesel

Country Status (2)

Country Link
EP (1) EP0602745A1 (it)
IT (1) IT1258675B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6037568A (en) * 1996-01-18 2000-03-14 Jidosha Kiki Co., Ltd. Glow plug for diesel engine with ptc control element disposed in small-diameter sheath section and connected to the distal end thereof
JP4092845B2 (ja) * 1999-05-27 2008-05-28 株式会社デンソー グロープラグおよびその製造方法
JP6279925B2 (ja) * 2014-02-14 2018-02-14 日本特殊陶業株式会社 グロープラグ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2115620A1 (de) * 1971-03-31 1972-10-12 Robert Bosch Gmbh, 7000 Stuttgart Flammglühstiftkerze zum Anlassen von Dieselmotoren
EP0240650B1 (en) * 1986-01-16 1991-04-03 B 80 S.r.l. Glow plug having two spirals for diesel engines of motor vehicles
GB2216952B (en) * 1988-03-16 1991-10-02 Wellman Automotive Products Li Glow plugs
GB2224074B (en) * 1988-10-19 1992-12-09 Wellman Automotive Products Li Glow plug
DE3911492A1 (de) * 1989-04-08 1990-10-11 Bosch Gmbh Robert Gluehstiftkerze

Also Published As

Publication number Publication date
ITMI922903A0 (it) 1992-12-18
EP0602745A1 (en) 1994-06-22
ITMI922903A1 (it) 1994-06-18

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971229