GB1423764A - Resistors for spark plugs - Google Patents

Resistors for spark plugs

Info

Publication number
GB1423764A
GB1423764A GB5039673A GB5039673A GB1423764A GB 1423764 A GB1423764 A GB 1423764A GB 5039673 A GB5039673 A GB 5039673A GB 5039673 A GB5039673 A GB 5039673A GB 1423764 A GB1423764 A GB 1423764A
Authority
GB
United Kingdom
Prior art keywords
resistors
glass
antimony oxide
spark plugs
tin
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
Application number
GB5039673A
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.)
Denso Corp
Toyota Central R&D Labs Inc
Original Assignee
Toyota Central R&D Labs Inc
NipponDenso 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 Toyota Central R&D Labs Inc, NipponDenso Co Ltd filed Critical Toyota Central R&D Labs Inc
Publication of GB1423764A publication Critical patent/GB1423764A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/40—Sparking plugs structurally combined with other devices
    • H01T13/41—Sparking plugs structurally combined with other devices with interference suppressing or shielding means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Non-Adjustable Resistors (AREA)
  • Spark Plugs (AREA)

Abstract

1423764 Resistors NIPPONDENSO CO Ltd and TOYOTA CHUO KENKYUSHO KK 30 Oct 1973 [17 Nov 1972] 50396/73 Heading C1M Resistors for spark plugs consist of a glass and a resistive component the latter comprising by weight aluminium phosphate 4 to 20%, tin oxide 72 to 95%, and antimony oxide 0À8 to 9À6%. The glass is preferably borosilicate glass and is in an amount of 10 to 60% of the total weight of the resistors. The antimony oxide may be Sb 2 O 2 or Sb 2 O 4 and the tin oxide SnO or SnO 2 . The resistor is produced by mixing the tin and antimony oxide and heating to cause them to react together. Aluminium phosphate is then added and the mixture further heated. Glass and a binder such as polyvinyl alcohol is then added.
GB5039673A 1972-11-17 1973-10-30 Resistors for spark plugs Expired GB1423764A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47115931A JPS5211758B2 (en) 1972-11-17 1972-11-17

Publications (1)

Publication Number Publication Date
GB1423764A true GB1423764A (en) 1976-02-04

Family

ID=14674718

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5039673A Expired GB1423764A (en) 1972-11-17 1973-10-30 Resistors for spark plugs

Country Status (4)

Country Link
US (1) US3915899A (en)
JP (1) JPS5211758B2 (en)
CA (1) CA1013936A (en)
GB (1) GB1423764A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7455537B2 (en) * 2006-06-16 2008-11-25 Briggs & Stratton Corporation Spark plug boot

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3088921A (en) * 1960-05-27 1963-05-07 Ford Motor Co Resistor compositions and spark plugs having integral resistors
US3577355A (en) * 1967-12-21 1971-05-04 Gen Motors Corp Resistor composition

Also Published As

Publication number Publication date
US3915899A (en) 1975-10-28
JPS4972532A (en) 1974-07-12
CA1013936A (en) 1977-07-19
JPS5211758B2 (en) 1977-04-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee