US1022192A - Attachment to spark-plugs. - Google Patents

Attachment to spark-plugs. Download PDF

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Publication number
US1022192A
US1022192A US62358911A US1911623589A US1022192A US 1022192 A US1022192 A US 1022192A US 62358911 A US62358911 A US 62358911A US 1911623589 A US1911623589 A US 1911623589A US 1022192 A US1022192 A US 1022192A
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United States
Prior art keywords
spark
attachment
plugs
spark plug
plates
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Expired - Lifetime
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US62358911A
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Henry C Hemmeter
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CASSIUS C VAN WAGONER
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CASSIUS C VAN WAGONER
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Priority to US62358911A priority Critical patent/US1022192A/en
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Publication of US1022192A publication Critical patent/US1022192A/en
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Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/84—Lamps with discharge constricted by high pressure
    • H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection

Definitions

  • HEMMETER OF PONTIAC, MICHIGAN, ASSIGNOR 0F ONE-HALF T0 CASSIUS C.
  • VAN WAGONER OF PONTIAC, MICHIGAN.
  • This inv ention refers to an attachment to spark plug adapted to connect the ordinary jump spark plug into a double jump spark plug, and the invention consists in the construction, arrangement and combination of parts more fully described hereinafter and shown in the accompanying drawings, in which- Figure 1 is a vertical central section of tion with a spark plug of conventional form and shown in elevation; Fig. 2 is a top plan view of the attachment, and Fig. 3 is a horizontal section on line (0-00 of Fig. 1.
  • FIG. 1 and 2 are plates of insulating material, spaced apart a transverse shell 3, consisting prefer-- ably of a section of glass tubing; 4, 4 are two clamping screws or bolts for clamping thetube 3 between the plates, and 5 is an electrode adjustably carried in the plate 1 and extending centrally into the tube.
  • the plate 2 is provided with a central aperture 6 and is split to form a clam ing collar, a clamping screw '7 being provided to clamp the open ends together tightly upon the end of the spark-plug.
  • the plates 1 and 2 are preferably recessed to form seats for the ends of the tube 3.
  • the electrode 5 is screwthreaded and bears upon its outer end suitable means such as the screw nuts 8 for connection with an electric conductor.
  • the device is attached to the outer end of the spark plug in such manner as to bring the outer end of the central electrode thereof within the tube into axial line with the electrode 5 and by adjustin the latter the proper spark gap is obtainedli
  • the device is simple and inexpensive and in addition to the advantage of having a visible spark I have found that the hotter spark due to the added spark gap in the igniting circuit greatly reduces spark trouble such as arising from the deposition of oil on the terminals of the spark plug.
  • the device may be readily modified to suit spark plugs of different constructions as by changing the size of the aperture (3 or any other known means for-attaching the device to a spark plug however, may be provided all of which I consider to be within the scope of my invention.
  • ⁇ Vliat- I claim as my invention is 1.
  • Anattachment to a spark plug comprising a pair of opposed plates of insulating material provided with annular grooves facing each other, a glass tube interposed between and having its ends seated in said grooves, clamping means for forcing one plate toward the other, an electrode in one of the plates, and means carried by the other plate for clamping the same to a spark plug.
  • An attachment to a spark plug comprising a pair of opposed plates of insulating material provided with annular grooves, a lass tube interposed between the plates and having its ends seated in said grooves, means for drawing the plates together to clamp the tube, an electrode in one plate, and means for clamping the other plate to a spark plug.
  • VV'itnesses C. R. STICKNEY, A. M. SIIAN Non.

Description

H. G. HEMMETER. ATTACHMENT T0 SPARK PLUGS.
APPLICATION FILED APR 27, I911.
Patented Apr. 2, 1912.
awe/"43oz ifs/wry C. #01207 e/er Wvkmmom UNITED STAS PATENT QFFICE.
HENRY C. HEMMETER, OF PONTIAC, MICHIGAN, ASSIGNOR 0F ONE-HALF T0 CASSIUS C. VAN WAGONER, OF PONTIAC, MICHIGAN.
ATTACHMENT TO SPARK-PLUGS.
Specification of Letters Patent.
Application filed April 27, 1911.
Patented Apr. 2, 1912.
Serial No. 623,589.
To all whom it may concern:
Be'it known that I, HENRY C. HEMMETER, a citizen of the United States of America, residing at Pontiac, in the county of Oakland and State of Michigan, have invented certain new and useful Improvements in Attachments to Spark-Plugs, of which the following is a specification, reference being had therein to the accompanying drawings.
This inv ention refers to an attachment to spark plug adapted to connect the ordinary jump spark plug into a double jump spark plug, and the invention consists in the construction, arrangement and combination of parts more fully described hereinafter and shown in the accompanying drawings, in which- Figure 1 is a vertical central section of tion with a spark plug of conventional form and shown in elevation; Fig. 2 is a top plan view of the attachment, and Fig. 3 is a horizontal section on line (0-00 of Fig. 1.
Referring to the drawings 1 and 2 are plates of insulating material, spaced apart a transverse shell 3, consisting prefer-- ably of a section of glass tubing; 4, 4 are two clamping screws or bolts for clamping thetube 3 between the plates, and 5 is an electrode adjustably carried in the plate 1 and extending centrally into the tube.
The plate 2 is provided with a central aperture 6 and is split to form a clam ing collar, a clamping screw '7 being provided to clamp the open ends together tightly upon the end of the spark-plug. The plates 1 and 2 are preferably recessed to form seats for the ends of the tube 3.
The electrode 5 is screwthreaded and bears upon its outer end suitable means such as the screw nuts 8 for connection with an electric conductor.
In practice the parts being constructed and arranged as shown and described, the device is attached to the outer end of the spark plug in such manner as to bring the outer end of the central electrode thereof within the tube into axial line with the electrode 5 and by adjustin the latter the proper spark gap is obtainedli The device is simple and inexpensive and in addition to the advantage of having a visible spark I have found that the hotter spark due to the added spark gap in the igniting circuit greatly reduces spark trouble such as arising from the deposition of oil on the terminals of the spark plug.
The device may be readily modified to suit spark plugs of different constructions as by changing the size of the aperture (3 or any other known means for-attaching the device to a spark plug however, may be provided all of which I consider to be within the scope of my invention.
\Vliat- I claim as my invention is 1. Anattachment to a spark plug comprising a pair of opposed plates of insulating material provided with annular grooves facing each other, a glass tube interposed between and having its ends seated in said grooves, clamping means for forcing one plate toward the other, an electrode in one of the plates, and means carried by the other plate for clamping the same to a spark plug.
2. An attachment to a spark plug comprising a pair of opposed plates of insulating material provided with annular grooves, a lass tube interposed between the plates and having its ends seated in said grooves, means for drawing the plates together to clamp the tube, an electrode in one plate, and means for clamping the other plate to a spark plug.
In testimony whereof I aflix my signature in presence of two witnesses.
HENRY C. I-IEMMETER.
VV'itnesses C. R. STICKNEY, A. M. SIIAN Non.
US62358911A 1911-04-27 1911-04-27 Attachment to spark-plugs. Expired - Lifetime US1022192A (en)

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US62358911A US1022192A (en) 1911-04-27 1911-04-27 Attachment to spark-plugs.

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US62358911A US1022192A (en) 1911-04-27 1911-04-27 Attachment to spark-plugs.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3229145A (en) * 1962-11-01 1966-01-11 Ite Circuit Breaker Ltd Adjustable precision spark gap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3229145A (en) * 1962-11-01 1966-01-11 Ite Circuit Breaker Ltd Adjustable precision spark gap

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