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JPS6454684A - Spark plug integrated with pressure sensor - Google Patents

Spark plug integrated with pressure sensor

Info

Publication number
JPS6454684A
JPS6454684A JP20931287A JP20931287A JPS6454684A JP S6454684 A JPS6454684 A JP S6454684A JP 20931287 A JP20931287 A JP 20931287A JP 20931287 A JP20931287 A JP 20931287A JP S6454684 A JPS6454684 A JP S6454684A
Authority
JP
Japan
Prior art keywords
pressure sensor
flange ring
metal fitting
main metal
spark plug
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.)
Granted
Application number
JP20931287A
Other languages
Japanese (ja)
Other versions
JP2622551B2 (en
Inventor
Junichi Kagawa
Yoshiaki Saiki
Kozo Amano
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.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug 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 NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Priority to JP20931287A priority Critical patent/JP2622551B2/en
Priority to BR8804319A priority patent/BR8804319A/en
Publication of JPS6454684A publication Critical patent/JPS6454684A/en
Application granted granted Critical
Publication of JP2622551B2 publication Critical patent/JP2622551B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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  • Spark Plugs (AREA)

Abstract

PURPOSE:To stabilize and improve accuracy of output of a pressure sensor with a simple method of holding the pressure sensor in a body with a main metal fitting of a plug by means of a flange ring having on its inner side a raised rim. CONSTITUTION:A flange ring 7 with its rim portion 9 welded to a main metal fitting 3 of a spark plug 1 supports on its upper surface a pressure sensor 4. On the flange ring 7 is formed at its inner side a raised rim 8 inserted into a gap 11 formed between a lower inner surface of a metallic case 5 for holding the pressure sensor 4 and the surface of the main metal fitting 3. The raised rim 8 is made to be 0.2-0.8mm in height, accurately determines the position of the metallic case 5, and makes the flange ring 7 come into tight contact with the metallic case 5. The difference between the inner diameter of the flange ring 7 and the outer diameter of the main metal fitting 3 is made to be + or -0.1mm and the outer diameter of the pressure sensor is made not to be too great.
JP20931287A 1987-08-25 1987-08-25 Spark plug with integrated pressure sensor Expired - Lifetime JP2622551B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP20931287A JP2622551B2 (en) 1987-08-25 1987-08-25 Spark plug with integrated pressure sensor
BR8804319A BR8804319A (en) 1987-08-25 1988-08-18 IGNITION CANDLE WITH INCORPORATED PRESSURE SENSOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20931287A JP2622551B2 (en) 1987-08-25 1987-08-25 Spark plug with integrated pressure sensor

Publications (2)

Publication Number Publication Date
JPS6454684A true JPS6454684A (en) 1989-03-02
JP2622551B2 JP2622551B2 (en) 1997-06-18

Family

ID=16570870

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20931287A Expired - Lifetime JP2622551B2 (en) 1987-08-25 1987-08-25 Spark plug with integrated pressure sensor

Country Status (2)

Country Link
JP (1) JP2622551B2 (en)
BR (1) BR8804319A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002243570A (en) * 2001-02-20 2002-08-28 Ngk Spark Plug Co Ltd Pressure sensor built-in plug and its manufacturing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002243570A (en) * 2001-02-20 2002-08-28 Ngk Spark Plug Co Ltd Pressure sensor built-in plug and its manufacturing method

Also Published As

Publication number Publication date
BR8804319A (en) 1989-03-21
JP2622551B2 (en) 1997-06-18

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