US870369A - Sparking plug for internal-combustion engines. - Google Patents

Sparking plug for internal-combustion engines. Download PDF

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Publication number
US870369A
US870369A US1905290235A US870369A US 870369 A US870369 A US 870369A US 1905290235 A US1905290235 A US 1905290235A US 870369 A US870369 A US 870369A
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United States
Prior art keywords
combustion engines
plug
sparking plug
internal
sparking
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Expired - Lifetime
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Arthur Edwin Lamkin
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Individual
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Priority to US1905290235 priority Critical patent/US870369A/en
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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
    • H01T13/02—Details
    • H01T13/14—Means for self-cleaning
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves

Definitions

  • the object of my invention is to provide means to so construct an electric sparking plug for use with internal combustion engines, that the points of discharge and the insulating material are constantly being automatically cleaned, and at the same time be kept cool, whereby the sparking to -explode the combustible mixture in the cylinder is produced in an eflicient manner at each working stroke of the piston.
  • the electric current when established by the usual switch flows through the cylinder into which the plug is screwed as usual, through the plug and the tube A to the wire B in the'usual manner.
  • the wire B may be the tube and have its valve connection at the top of the sparking plug, and such tube will be bent over to face the end of the conductor'A for effecting the cleaning operation, the conductor A having its end turned up and being positioned between the porcelain C and the end of the now bent over tube B, or the tube and wire may run through the porcelain insulator and connected by separate wires to'the battery.
  • a sparking plug comprising a conductor insulated from said plug, said plug having a passageway terminating at one end in a chamber, a nut secured in said chamber and having an opening therethrough, a non-return valve arranged within the opening in the nut, said nut further provided with holes for admitting air from the atmosphere within the said chamber, protective means covering said holes to exclude dust, and a tube forming a conductor mounted in the other end of the passage-way and bent on itself to bring the bore of the tube in direct 'alinement with the first mentioned conductor.

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  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Spark Plugs (AREA)

Description

No. 870,369. PATENTED NOV. 5, 1907. A. E. LAMKIN. SPARKING PLUG FOR INTERNAL COMBUSTION ENGINES.
APPLICATION FILED DEC. 4. 1906.
ARTHUR EDWIN LAMKIN, 01f oRoYDoN, ENGLAND.
SPARKING PLUG FOR INTERNAL-COMBUSTION ENGINES.
\Sp ecification of Letters Patent.
Patented Nov. 6, 1907.
' Application filed December 4. 1905- Serial No. 290;885.
To all whom it may concern:
Be it knownthat ARTHUR EDWIN LAMKIN, a subject of the King of Great Britain, residing at 136 High street, Croydon, Surrey, England, has invented certain new and useful Improvements in Sparking Plugs for Inter rial-Combustion Engines, of which the following is a specification.
The object of my inventionis to provide means to so construct an electric sparking plug for use with internal combustion engines, that the points of discharge and the insulating material are constantly being automatically cleaned, and at the same time be kept cool, whereby the sparking to -explode the combustible mixture in the cylinder is produced in an eflicient manner at each working stroke of the piston.
My invention will be clearly understood from the following description aided by the example shown' on the annexed drawings, which represents an elevation of a sparking'plug with part broken away to illustrate my invention.
According to my invention, I construct the conductor A of metal tubing, the free end being bent for its end to face the end of the other conductor B, which is arranged in the insulating portion 0 of the sparking plug in the well known manner: The other end of the tube A I screw to the sparking plug, and in such end, I
form a hole D, which leads into a chamber E closable by a nut F carrying a non return valve G, and provided with holes H for the admission of air from the atmosphere, said holes being coverableby a wire gauze or other protector I to prevent ingress of dust and dirt.
The electric current when established by the usual switch, flows through the cylinder into which the plug is screwed as usual, through the plug and the tube A to the wire B in the'usual manner.
In action, the plug occupying its usual position in the cylinder on the suction stroke, air will be drawn through the valve G, passage D and tube A, and by its pressure or force, will impinge on the wire' B and porcelain C and remove any dirt or debris due to the explosion which may be on either, and thus keep them clean, and on the compression stroke, the pressure in the cylinder will act on the column of air in the tube A and passage D and close the valve, so that there will be noescape, and the amount'of incoming air on the suction stroke will not be suflicient to interfere with the nature of the charge drawn into the cylinder through the usual port or ports.
In some cases, the wire B may be the tube and have its valve connection at the top of the sparking plug, and such tube will be bent over to face the end of the conductor'A for effecting the cleaning operation, the conductor A having its end turned up and being positioned between the porcelain C and the end of the now bent over tube B, or the tube and wire may run through the porcelain insulator and connected by separate wires to'the battery.
The example shown on the drawings is only illustrative of carrying my invention into effect, and the construction may be varied in many ways, the feature being the indrawing of air through a tube forming one of the conductors of a sparking plug to keep clean the other conductor, so that an eflicient sparking is always maintained.
What I claim and desire to secure by Letters Patent is:
In an electrical device of the class described, a sparking plug comprising a conductor insulated from said plug, said plug having a passageway terminating at one end in a chamber, a nut secured in said chamber and having an opening therethrough, a non-return valve arranged within the opening in the nut, said nut further provided with holes for admitting air from the atmosphere within the said chamber, protective means covering said holes to exclude dust, and a tube forming a conductor mounted in the other end of the passage-way and bent on itself to bring the bore of the tube in direct 'alinement with the first mentioned conductor.
In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.
ARTHUR EDWIN IIAMKIN.
Witnesses:
RICHARD CORE GARDNER, LrNwooD FERDINAND Gnomes.v
US1905290235 1905-12-04 1905-12-04 Sparking plug for internal-combustion engines. Expired - Lifetime US870369A (en)

Priority Applications (1)

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US1905290235 US870369A (en) 1905-12-04 1905-12-04 Sparking plug for internal-combustion engines.

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US1905290235 US870369A (en) 1905-12-04 1905-12-04 Sparking plug for internal-combustion engines.

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2493743A (en) * 1948-09-10 1950-01-10 Gen Electric Air-cooled spark plug
US3073289A (en) * 1960-03-04 1963-01-15 Gen Motors Corp Means for burning hydrocarbons in an internal combustion engine cylinder
US4232242A (en) * 1978-08-07 1980-11-04 Hsu Yun T Sparking plug with efficient air supplying system and a removable sitting device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2493743A (en) * 1948-09-10 1950-01-10 Gen Electric Air-cooled spark plug
US3073289A (en) * 1960-03-04 1963-01-15 Gen Motors Corp Means for burning hydrocarbons in an internal combustion engine cylinder
US4232242A (en) * 1978-08-07 1980-11-04 Hsu Yun T Sparking plug with efficient air supplying system and a removable sitting device

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