US1294229A - Spark-plug. - Google Patents

Spark-plug. Download PDF

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Publication number
US1294229A
US1294229A US21172918A US21172918A US1294229A US 1294229 A US1294229 A US 1294229A US 21172918 A US21172918 A US 21172918A US 21172918 A US21172918 A US 21172918A US 1294229 A US1294229 A US 1294229A
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US
United States
Prior art keywords
plug
spark
shell
core
terminal
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
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US21172918A
Inventor
Robert Brewster
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Individual
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Individual
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Publication date
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Priority to US21172918A priority Critical patent/US1294229A/en
Application granted granted Critical
Publication of US1294229A publication Critical patent/US1294229A/en
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Expired - Lifetime legal-status Critical Current

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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
    • H01T13/46—Sparking plugs having two or more spark gaps
    • H01T13/462—Sparking plugs having two or more spark gaps in series connection

Definitions

  • a "spnrk plug comprising a Shell and un inclosed nsnhiting core; a centrally disposed electrical termi-'ml projeoting from one end of 'the eore;-zi partifeireular insulating wall projeeting from the core partlysurrounding said terminal n termin'l se- 'urel to the lower edge of the Shell and a. series of spaced-apnrt electrienlly-condncting hlies hetween said terminals outside of saiil well.
  • a sparh plug eomprisingr a shell and :i core; a eentrnlly ilisposed, globular, elecrrienl terminal projeetiingr from the inner em! of the, eore; a similar terminal secured to the inner end of the Shell; a Series of glohuhu' eleetrodes, l'upported on the core und urriulged iii spu'ced-apart circular sequenee nrouml the central terminal, and a pnrbcircuhu' wall, of insulating material, between the central terminal and said electrodes.

Landscapes

  • Spark Plugs (AREA)
  • Transplanting Machines (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Description

B. BREWSTER.
SPARK PLUG.
APPLICATION HLED 1AN.14.1918.
Patented Feb. 11, 1919 w i 00 f/o ,i w w f fierefmxa. pi'mfde a spark ima when combustion is ("n's charge accnmuates The use end operation of a sparh plug is too well known and understood to require specific elueidntion here.
It is nssinned that the sperk will oceur progressively between the suceessive pair of balls in the Circle of terminale or elec- `trodes.
While I have herein shown a single embodimentof n13v invention ii is innifest that various changes and (lisposiiion of parts may be le Within the scope of the ap .ended cl Iaving d claim is:
15 1. A "spnrk plug comprising a Shell and un inclosed nsnhiting core; a centrally disposed electrical termi-'ml projeoting from one end of 'the eore;-zi partifeireular insulating wall projeeting from the core partlysurrounding said terminal n termin'l se- 'urel to the lower edge of the Shell and a. series of spaced-apnrt electrienlly-condncting hlies hetween said terminals outside of saiil well.
2. A sparh plug eomprisingr a shell and :i core; a eentrnlly ilisposed, globular, elecrrienl terminal projeetiingr from the inner em! of the, eore; a similar terminal secured to the inner end of the Shell; a Series of glohuhu' eleetrodes, l'upported on the core und urriulged iii spu'ced-apart circular sequenee nrouml the central terminal, and a pnrbcircuhu' wall, of insulating material, between the central terminal and said electrodes.
In. testimony whereof I hereunto set niy hand in the presence of two Subscribing witnesses.
ROBERT BREWSTER.
US21172918A 1918-01-14 1918-01-14 Spark-plug. Expired - Lifetime US1294229A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US21172918A US1294229A (en) 1918-01-14 1918-01-14 Spark-plug.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21172918A US1294229A (en) 1918-01-14 1918-01-14 Spark-plug.

Publications (1)

Publication Number Publication Date
US1294229A true US1294229A (en) 1919-02-11

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ID=3361784

Family Applications (1)

Application Number Title Priority Date Filing Date
US21172918A Expired - Lifetime US1294229A (en) 1918-01-14 1918-01-14 Spark-plug.

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US (1) US1294229A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090241321A1 (en) * 2008-01-25 2009-10-01 Mark Farrell Spark Plug Construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090241321A1 (en) * 2008-01-25 2009-10-01 Mark Farrell Spark Plug Construction

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