US737825A - Electric-arc lamp. - Google Patents

Electric-arc lamp. Download PDF

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Publication number
US737825A
US737825A US14958303A US1903149583A US737825A US 737825 A US737825 A US 737825A US 14958303 A US14958303 A US 14958303A US 1903149583 A US1903149583 A US 1903149583A US 737825 A US737825 A US 737825A
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Prior art keywords
arc
electric
ring
coil
arc lamp
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US14958303A
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Tito Livio Carbone
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/14—Magnetic means for controlling the discharge

Definitions

  • the present invention relates to an apparatus for influencing magnetically the arc of electric-arc lamps in order to obtain a very bright, steady, and white light while the carbons burn up without residues.
  • the magnetic effect maybe obtained most simply by arranging an iron ring close to and above the arc, the ring being traversed by lines of magnetic induction produced by a coil, the lines being led to and from said ring by means of two iron rods and passing between two opposite points of the ring.
  • the lines of force coming from the north pole are thus divided and pass to the south pole through the two branches of the ring.
  • the coil is arranged horizontally movable on its iron core.
  • the coil may be shifted in that position, which forces the magnetically-influenced are exactly in the center of the iron ring.
  • Figure l shows the new apparatus, in which the coil can be moved horizontally on its iron core. rods in plan view.
  • ring a A little above the place where the arc is to be formed the ring a is arranged. It is carried by two iron rods 1) and c, which are connected Fig. 2 shows thetwo pairs of carbon to the coil (1 in such a way that the lines of induction produced by the coil when a current passes may reach the ring at and return from the latter to the coil.
  • the coil (1 is wound on a socket is, which is horizontally movable with respect to its iron core and can be adjusted inthe desired position between the two iron rods 1) c by means of- In witness whereof I have hereunto set my hand in presence of two witnesses.

Description

No. 737,825. PATENTED SEPT.'1, 1903.
T. L. GARBONEI.
ELECTRIC ARC; LAMP.
APPLICATION IILEIZ EAR}, 2.53, .803.
Fig.2.
ATTORNEYS TNi norms PETERS co movaumu. WASHINGTON o c UNITED STATES Patented September 1, 1903.
PATENT OFFICE.
ELECTRIC-ARC LAMP.
SPECIFICATION forming part of Letters Patent N 0. 737,825, dated September 1, 1903.
Application filed March 25, 1903.
To all whom it may concern:
Be it known that I, TITO LIVIO CARBONE, a subject of the King of Italy, residing at Grune- Wald, near Berlin, in the Kingdom of Prussia, German Empire, have invented certain new and useful Improvements in Arc-Lamps; and I do'hereby declare that the following is a full, clear, and exact description.
The present invention relates to an apparatus for influencing magnetically the arc of electric-arc lamps in order to obtain a very bright, steady, and white light while the carbons burn up without residues.
The magnetic effect maybe obtained most simply by arranging an iron ring close to and above the arc, the ring being traversed by lines of magnetic induction produced by a coil, the lines being led to and from said ring by means of two iron rods and passing between two opposite points of the ring. The lines of force coming from the north pole are thus divided and pass to the south pole through the two branches of the ring. For the purpose that the magnetically-influenced arc is exactly in the center of the iron ring the coil is arranged horizontally movable on its iron core. Thus the coil may be shifted in that position, which forces the magnetically-influenced are exactly in the center of the iron ring.
The subject of the present invention is diagrammatically represented in the annexed drawings.
It is understood that the arc passes between two pairs of carbons, meeting one another at an acute angle, though my invention is not limited to this arrangement of the carbons. Both carbon rods of each carbon pair face one another with their flat sides and touch one another only at their lower ends,
Serial No. 149,583. (No modelJ where the arc is formed, because the two rods are inclined together at an acute angle. The guiding and feeding of the carbons in the above mechanism may be automatically effected in any known or suitable manner.
Figure lshows the new apparatus, in which the coil can be moved horizontally on its iron core. rods in plan view.
A little above the place where the arc is to be formed the ring a is arranged. It is carried by two iron rods 1) and c, which are connected Fig. 2 shows thetwo pairs of carbon to the coil (1 in such a way that the lines of induction produced by the coil when a current passes may reach the ring at and return from the latter to the coil.
The coil (1 is wound on a socket is, which is horizontally movable with respect to its iron core and can be adjusted inthe desired position between the two iron rods 1) c by means of- In witness whereof I have hereunto set my hand in presence of two witnesses.
TITO LIVIO OARBONE.
Witnesses:
HENRY I-IAsPER, WOLDEMAR HAUPT.
US14958303A 1903-03-25 1903-03-25 Electric-arc lamp. Expired - Lifetime US737825A (en)

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US14958303A US737825A (en) 1903-03-25 1903-03-25 Electric-arc lamp.

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US14958303A US737825A (en) 1903-03-25 1903-03-25 Electric-arc lamp.

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