JPS5236238A - Electric spark plug for automoyive internal combustion engine - Google Patents

Electric spark plug for automoyive internal combustion engine

Info

Publication number
JPS5236238A
JPS5236238A JP11087475A JP11087475A JPS5236238A JP S5236238 A JPS5236238 A JP S5236238A JP 11087475 A JP11087475 A JP 11087475A JP 11087475 A JP11087475 A JP 11087475A JP S5236238 A JPS5236238 A JP S5236238A
Authority
JP
Japan
Prior art keywords
automoyive
combustion engine
internal combustion
spark plug
electric spark
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
JP11087475A
Other languages
Japanese (ja)
Inventor
Hiroyuki Koto
Masazumi Yoshida
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.)
SHINKOSUMOSU DENKI KK
New Cosmos Electric Co Ltd
Original Assignee
SHINKOSUMOSU DENKI KK
New Cosmos Electric Co 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 SHINKOSUMOSU DENKI KK, New Cosmos Electric Co Ltd filed Critical SHINKOSUMOSU DENKI KK
Priority to JP11087475A priority Critical patent/JPS5236238A/en
Priority to US05/720,798 priority patent/US4109633A/en
Priority to DE19762641544 priority patent/DE2641544A1/en
Priority to FR7627742A priority patent/FR2325217A1/en
Priority to CA261,325A priority patent/CA1056242A/en
Publication of JPS5236238A publication Critical patent/JPS5236238A/en
Pending legal-status Critical Current

Links

Landscapes

  • Spark Plugs (AREA)

Abstract

PURPOSE: To enlarge a ranges of air fuel ratio at the ignition limit, suppressing in size by improving the shape of electrode.
COPYRIGHT: (C)1977,JPO&Japio
JP11087475A 1975-09-16 1975-09-16 Electric spark plug for automoyive internal combustion engine Pending JPS5236238A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP11087475A JPS5236238A (en) 1975-09-16 1975-09-16 Electric spark plug for automoyive internal combustion engine
US05/720,798 US4109633A (en) 1975-09-16 1976-09-07 Spark-plug for automobile internal combustion engine
DE19762641544 DE2641544A1 (en) 1975-09-16 1976-09-15 SPARK PLUG FOR CAR COMBUSTION ENGINES
FR7627742A FR2325217A1 (en) 1975-09-16 1976-09-15 INTERNAL COMBUSTION ENGINE SPARK PLUG
CA261,325A CA1056242A (en) 1975-09-16 1976-09-16 Spark-plug for automobile internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11087475A JPS5236238A (en) 1975-09-16 1975-09-16 Electric spark plug for automoyive internal combustion engine

Publications (1)

Publication Number Publication Date
JPS5236238A true JPS5236238A (en) 1977-03-19

Family

ID=14546881

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11087475A Pending JPS5236238A (en) 1975-09-16 1975-09-16 Electric spark plug for automoyive internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5236238A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5882506U (en) * 1981-11-30 1983-06-04 豊田工機株式会社 Flutter type servo valve device
JP2009054579A (en) * 2007-07-31 2009-03-12 Denso Corp Spark plug for internal combustion engine and method for manufacturing the same
WO2010038467A1 (en) * 2008-10-01 2010-04-08 日本特殊陶業株式会社 Spark plug
WO2010044236A1 (en) * 2008-10-14 2010-04-22 日本特殊陶業株式会社 Spark plug and manufacturing method thereof
WO2010044238A1 (en) * 2008-10-16 2010-04-22 日本特殊陶業株式会社 Spark plug and manufacturing method thereof
JP2010251216A (en) * 2009-04-20 2010-11-04 Ngk Spark Plug Co Ltd Spark plug for internal combustion engine
JP2011187223A (en) * 2010-03-05 2011-09-22 Denso Corp Spark plug for internal combustion engine
JP2012256590A (en) * 2011-05-19 2012-12-27 Ngk Spark Plug Co Ltd Spark plug

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5882506U (en) * 1981-11-30 1983-06-04 豊田工機株式会社 Flutter type servo valve device
JP2009054579A (en) * 2007-07-31 2009-03-12 Denso Corp Spark plug for internal combustion engine and method for manufacturing the same
DE112008002062T5 (en) 2007-07-31 2010-06-10 Denso Corp. Spark plug for an internal combustion engine and method for producing the same
DE112008002062B4 (en) 2007-07-31 2019-12-19 Denso Corp. Spark plug for an internal combustion engine and method for producing the same
US8398447B2 (en) 2007-07-31 2013-03-19 Denso Corporation Method for manufacturing spark plug for internal-combustion engine
US8339021B2 (en) 2007-07-31 2012-12-25 Denso Corporation Spark plug for internal-combustion engine and method for manufacturing the same
US8350455B2 (en) 2008-10-01 2013-01-08 Ngk Spark Plug Co., Ltd. Spark plug including ground electrode having a protrusion and a hole
WO2010038467A1 (en) * 2008-10-01 2010-04-08 日本特殊陶業株式会社 Spark plug
WO2010044236A1 (en) * 2008-10-14 2010-04-22 日本特殊陶業株式会社 Spark plug and manufacturing method thereof
US8466608B2 (en) 2008-10-14 2013-06-18 Ngk Spark Plug Co., Ltd. Spark plug and manufacturing method thereof
JP5134080B2 (en) * 2008-10-14 2013-01-30 日本特殊陶業株式会社 Spark plug and manufacturing method thereof
WO2010044238A1 (en) * 2008-10-16 2010-04-22 日本特殊陶業株式会社 Spark plug and manufacturing method thereof
JP5134081B2 (en) * 2008-10-16 2013-01-30 日本特殊陶業株式会社 Spark plug and manufacturing method thereof
US8222803B2 (en) 2008-10-16 2012-07-17 Ngk Spark Plug Co., Ltd. Spark plug and manufacturing method thereof
JP2010251216A (en) * 2009-04-20 2010-11-04 Ngk Spark Plug Co Ltd Spark plug for internal combustion engine
JP2011187223A (en) * 2010-03-05 2011-09-22 Denso Corp Spark plug for internal combustion engine
JP2012256590A (en) * 2011-05-19 2012-12-27 Ngk Spark Plug Co Ltd Spark plug

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