US879180A - Arc-lamp. - Google Patents

Arc-lamp. Download PDF

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Publication number
US879180A
US879180A US29681906A US1906296819A US879180A US 879180 A US879180 A US 879180A US 29681906 A US29681906 A US 29681906A US 1906296819 A US1906296819 A US 1906296819A US 879180 A US879180 A US 879180A
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United States
Prior art keywords
arc
lamp
supporting piece
carbon
electrode
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Expired - Lifetime
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US29681906A
Inventor
Oskar Koenitzer
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Individual
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Individual
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Priority to US29681906A priority Critical patent/US879180A/en
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    • 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
    • H01T1/00—Details of spark gaps

Definitions

  • This invention relates to a device for preventing the excessive heating and ultimate destruction of the supporting piece of such arc lamps, in which thel mechanism for adjusting the distance between the carbone., which is actuated by the electric current and which is usually of a very complicated charactor, is replaced by a device acting in a purely mechanical manner and consisting of a supporting piece provided with an edge which cuts through the layer of the carbon resting upon it, that has been rendered porous by the action of the luminous arc, to a depth that corresponds to the burn and so causes the carbon to drop.
  • Figure l is a front view.
  • Fig. 2 is a transverse section on the line A-B
  • Fig. 3 a longitudinal section on the line C D
  • Fig. 4 a transverse section on the line E-F.
  • a longitudinal channel which is filled with air or other comparatively diathermic 1naterial, is so provided in the upper carbon electrode l that the wall 3 of the carbon electrode is thinnest at the point of contact of the supporting piece 4.
  • the narrow portion of the electrode resting on the supporting piece 4 with the porous layer which is necessary to the feeding of the electrodes without the heat of the crater injuriously affecting the supporting piece 4.
  • the line of contact between the supporting piece 4 and the carbon electrode l which corresponds practically with the line passing through the points where the wall 2 is thinnest, may. also be determined by arranging in the electrode l a narrow slot 5 into the lower end of which the supporting piece 4 fits.
  • An arc lamp electrode provided with an eccentric longitudinal passage close to one side thereof, and a supporting piece upon which the thin wall of the electrode formed by said channel rests substantially as described.

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  • Resistance Heating (AREA)

Description

PATENTED FEB. 18, 1908.
0. KNITZER.
ARO LAMP.
APPLICATION FILED JAN.19,1906.
PATENT OFFICE. y
OSKR KNITZER, OF MUNIOH, GERMANY.
ARC-LAMP.
Specification of Letters Patent.
Patented Feb. 18, 1908.
Application filed January 19. 1906- Serial No. 296.819.
To all whom it may concern:
Be it known that I, OsKAR KNITZER, a subject of the German Emperor, residing at Munich, in the Empire of Germany, have invented a certain new and useful Arc-Lamp, of which the following is a specification.
This invention relates to a device for preventing the excessive heating and ultimate destruction of the supporting piece of such arc lamps, in which thel mechanism for adjusting the distance between the carbone., which is actuated by the electric current and which is usually of a very complicated charactor, is replaced by a device acting in a purely mechanical manner and consisting of a supporting piece provided with an edge which cuts through the layer of the carbon resting upon it, that has been rendered porous by the action of the luminous arc, to a depth that corresponds to the burn and so causes the carbon to drop.
Two different forms of carrying out the invention are illustrated in the accompanying drawing.
Figure l is a front view. Fig. 2 is a transverse section on the line A-B Fig. 3 a longitudinal section on the line C D and Fig. 4 a transverse section on the line E-F.
A longitudinal channel, which is filled with air or other comparatively diathermic 1naterial, is so provided in the upper carbon electrode l that the wall 3 of the carbon electrode is thinnest at the point of contact of the supporting piece 4. The narrow portion of the electrode resting on the supporting piece 4 with the porous layer which is necessary to the feeding of the electrodes without the heat of the crater injuriously affecting the supporting piece 4.
The line of contact between the supporting piece 4 and the carbon electrode l which corresponds practically with the line passing through the points where the wall 2 is thinnest, may. also be determined by arranging in the electrode l a narrow slot 5 into the lower end of which the supporting piece 4 fits.
What I claim as my invention and desire to secure by Letters Patent is 1. In an electric arc, the combination of an eccentrically perforated carbon and a feed stop engaged by the thin disintegrating wall at the side of said carbon opposite from the major portion of its mass which is involved in the arc.
2. An arc lamp electrode provided with an eccentric longitudinal passage close to one side thereof, and a supporting piece upon which the thin wall of the electrode formed by said channel rests substantially as described.
In testimony whereof I have hereunto signed my name to this specification in the presence of two subscribing witnesses.
OSKAR KONITZER.
Witnesses:
ULYssns J. BYwA'rER, Gaone KRNER.
will be sufficiently heated to become covered
US29681906A 1906-01-19 1906-01-19 Arc-lamp. Expired - Lifetime US879180A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29681906A US879180A (en) 1906-01-19 1906-01-19 Arc-lamp.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29681906A US879180A (en) 1906-01-19 1906-01-19 Arc-lamp.

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US879180A true US879180A (en) 1908-02-18

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US29681906A Expired - Lifetime US879180A (en) 1906-01-19 1906-01-19 Arc-lamp.

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