DE4039778C1 - - Google Patents

Info

Publication number
DE4039778C1
DE4039778C1 DE4039778A DE4039778A DE4039778C1 DE 4039778 C1 DE4039778 C1 DE 4039778C1 DE 4039778 A DE4039778 A DE 4039778A DE 4039778 A DE4039778 A DE 4039778A DE 4039778 C1 DE4039778 C1 DE 4039778C1
Authority
DE
Germany
Prior art keywords
electrode
metal
electrode base
phase
intermetallic
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 - Lifetime
Application number
DE4039778A
Other languages
German (de)
English (en)
Inventor
Karl-Hermann Dipl.-Phys. Dr. 7250 Leonberg De Friese
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
Priority to DE4039778A priority Critical patent/DE4039778C1/de
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to JP3518090A priority patent/JPH06503199A/ja
Priority to KR1019930701774A priority patent/KR100215149B1/ko
Priority to PCT/DE1991/000889 priority patent/WO1992010868A1/de
Priority to AU89078/91A priority patent/AU648613B2/en
Priority to ES91920001T priority patent/ES2079685T3/es
Priority to EP91920001A priority patent/EP0561812B1/de
Priority to BR919107163A priority patent/BR9107163A/pt
Priority to US08/078,154 priority patent/US5477022A/en
Application granted granted Critical
Publication of DE4039778C1 publication Critical patent/DE4039778C1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00Sparking plugs
    • H01T13/20Sparking plugs characterised by features of the electrodes or insulation
    • H01T13/39Selection of materials for electrodes

Landscapes

  • Spark Plugs (AREA)
DE4039778A 1990-12-13 1990-12-13 Expired - Lifetime DE4039778C1 (US20050065096A1-20050324-C00069.png)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE4039778A DE4039778C1 (US20050065096A1-20050324-C00069.png) 1990-12-13 1990-12-13
KR1019930701774A KR100215149B1 (ko) 1990-12-13 1991-11-15 전극 및 그 제조방법
PCT/DE1991/000889 WO1992010868A1 (de) 1990-12-13 1991-11-15 Elektrode und verfahren zu ihrer herstellung
AU89078/91A AU648613B2 (en) 1990-12-13 1991-11-15 Electrode, and process for manufacturing it
JP3518090A JPH06503199A (ja) 1990-12-13 1991-11-15 電極およびその製造法
ES91920001T ES2079685T3 (es) 1990-12-13 1991-11-15 Electrodo y procedimiento para su obtencion.
EP91920001A EP0561812B1 (de) 1990-12-13 1991-11-15 Elektrode und verfahren zu ihrer herstellung
BR919107163A BR9107163A (pt) 1990-12-13 1991-11-15 Eletrodo e processo para a sua fabricacao
US08/078,154 US5477022A (en) 1990-12-13 1991-11-15 Electrode and process for manufacturing it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4039778A DE4039778C1 (US20050065096A1-20050324-C00069.png) 1990-12-13 1990-12-13

Publications (1)

Publication Number Publication Date
DE4039778C1 true DE4039778C1 (US20050065096A1-20050324-C00069.png) 1992-05-14

Family

ID=6420214

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4039778A Expired - Lifetime DE4039778C1 (US20050065096A1-20050324-C00069.png) 1990-12-13 1990-12-13

Country Status (9)

Country Link
US (1) US5477022A (US20050065096A1-20050324-C00069.png)
EP (1) EP0561812B1 (US20050065096A1-20050324-C00069.png)
JP (1) JPH06503199A (US20050065096A1-20050324-C00069.png)
KR (1) KR100215149B1 (US20050065096A1-20050324-C00069.png)
AU (1) AU648613B2 (US20050065096A1-20050324-C00069.png)
BR (1) BR9107163A (US20050065096A1-20050324-C00069.png)
DE (1) DE4039778C1 (US20050065096A1-20050324-C00069.png)
ES (1) ES2079685T3 (US20050065096A1-20050324-C00069.png)
WO (1) WO1992010868A1 (US20050065096A1-20050324-C00069.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998007220A1 (de) * 1996-08-08 1998-02-19 Robert Bosch Gmbh Elektrode für zündkerzen für brennkraftmaschinen und verfahren zu ihrer herstellung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ270219A (en) * 1993-12-23 1997-03-24 Mintek Spark plug electrode of intermetallic compound
BR112012012395A2 (pt) * 2009-11-24 2019-09-24 Federal-Mogul Ignition Company vela de ignição com material de eletrodo de voluma estável
DE102015115746B4 (de) 2015-09-17 2017-04-27 Federal-Mogul Ignition Gmbh Verfahren zum Herstellen einer Zündelektrode für Zündkerzen und damit hergestellte Zündkerze

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3233584A1 (de) * 1982-09-10 1984-03-15 G. Rau GmbH & Co, 7530 Pforzheim Elektrode fuer eine elektrische entladungsstrecke und herstellungsverfahren hierzu
DE3132814C2 (de) * 1980-08-21 1984-10-25 Nippondenso Co., Ltd., Kariya, Aichi Zündkerze für Brennkraftmaschinen
US4540910A (en) * 1982-11-22 1985-09-10 Nippondenso Co., Ltd. Spark plug for internal-combustion engine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2005649A (en) * 1977-09-22 1979-04-25 Johnson Matthey Co Ltd Electrodes
JPS5450735A (en) * 1977-09-30 1979-04-20 Toyota Motor Corp Noise wave preventive surface treatment for distributor
US4904216A (en) * 1983-09-13 1990-02-27 Ngk Spark Plug Co., Ltd. Process for producing the center electrode of spark plug
DE3727526A1 (de) * 1987-08-18 1989-03-02 Bosch Gmbh Robert Verfahren zum herstellen einer zuendkerze fuer brennkraftmaschinen
US5102700A (en) * 1988-04-18 1992-04-07 Alloy Surfaces Company, Inc. Exothermically formed aluminide coating
US5093879A (en) * 1990-06-22 1992-03-03 International Business Machines Corporation Electro-optical connectors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3132814C2 (de) * 1980-08-21 1984-10-25 Nippondenso Co., Ltd., Kariya, Aichi Zündkerze für Brennkraftmaschinen
DE3233584A1 (de) * 1982-09-10 1984-03-15 G. Rau GmbH & Co, 7530 Pforzheim Elektrode fuer eine elektrische entladungsstrecke und herstellungsverfahren hierzu
US4540910A (en) * 1982-11-22 1985-09-10 Nippondenso Co., Ltd. Spark plug for internal-combustion engine

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DESTEFANI, J.: "Advances in Intermetallics", In: Advanced Materials & Processes 2/89, S. 37-41 *
SAUTHOFF, G.: "Intermetallische Phasen". In: Magazin neue Werkstoffe, 1/89, S.15-20 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998007220A1 (de) * 1996-08-08 1998-02-19 Robert Bosch Gmbh Elektrode für zündkerzen für brennkraftmaschinen und verfahren zu ihrer herstellung
DE19631985A1 (de) * 1996-08-08 1998-02-19 Bosch Gmbh Robert Elektrode mit verschleißfester Beschichtung, Zündkerze und Verfahren zu ihrer Herstellung

Also Published As

Publication number Publication date
WO1992010868A1 (de) 1992-06-25
BR9107163A (pt) 1993-11-03
KR930703725A (ko) 1993-11-30
JPH06503199A (ja) 1994-04-07
KR100215149B1 (ko) 1999-08-16
AU8907891A (en) 1992-07-08
ES2079685T3 (es) 1996-01-16
EP0561812A1 (de) 1993-09-29
EP0561812B1 (de) 1995-11-02
AU648613B2 (en) 1994-04-28
US5477022A (en) 1995-12-19

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Legal Events

Date Code Title Description
8100 Publication of patent without earlier publication of application
D1 Grant (no unexamined application published) patent law 81
8339 Ceased/non-payment of the annual fee