US316240A - Half to eichaed e - Google Patents
Half to eichaed e Download PDFInfo
- Publication number
- US316240A US316240A US316240DA US316240A US 316240 A US316240 A US 316240A US 316240D A US316240D A US 316240DA US 316240 A US316240 A US 316240A
- Authority
- US
- United States
- Prior art keywords
- gas
- carbons
- air
- points
- tube
- 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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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N30/64—Electrical detectors
- G01N2030/642—Electrical detectors photoionisation detectors
Description
(No Model.)
L. 'COLBURN.
ELEGTRIG ARC LAMP.
Patented Apr. 21
Uwrrao STATES PATENT OFFICE.
LEDYARD COLBURN, OF BIRMINGHAM, CONNECTICUT, ASSIGNOR OF ONE- HALF TO RICHARD R. COLBURN, OF SAME PLACE.
ELECTRIC-ARC LAMP.
SPECIFICATION forming part of Letters Patent No. 316,240, dated April 21, 1885.
Application filed March 13, 1884.
1 and which said drawing constitutes part of this specification, and represents a sectional side view showing the two carbons of an arc lamp with the gas-jet and air-jet arranged independent of the carbons. This invention relates to an improvement in electric-arc lamps, the object of the invention being to reduce the electric current with-' out diminishing the brilliancy of the light; and my invention consists in combining with the carbons of an electricarc lamp ajet of air and gas impinging directly upon the points of the carbons, so that the air and gas will mingle at those points and produce an intense heat upon the points, and whereby the elecz 5 trio current may be reduced to the extent that the carbons are heated by the gas, as more fully hereinafter described.
A represents one carbon and B the other carbon of a common arc lamp, to each of which 0 the lines are led to form the are between the points of the two carbons.
C is a contracting tube, terminating near the points of the carbon; D, a like tube, preferably arranged directly opposite the point of the tube (No model.)
C. To one of the tubessay C-gas is sup- 5 plied, and to the other tube, D, air is supplied, the quantity of air and gas being regulated by cocks E or otherwise.
When the circuit is closed and the are formed between the two burners, the gas is supplied 0 through the tube C, and instantly ignites. At the same time air is introduced through the other tube, D, in sufficient quantity to mingle with the gas and produce perfect combustion. Therefore this combined gas and air produces 5 an intense heat directly at the points of the carbons, and which, with a greatly-reduced electric current, will heat the carbons to a point of brilliancy equal at least to the most brilliant effect produced by the usual strong electric current.
The air and gas may be supplied by any de vice which will deliver them under the requisite pressure.-
Ido not claim, broadly, supplying mixed gas and air at the points of the electrodes,,as such,
I am aware, is not new.
I claim In an electric-arc lamp, the combination of the two carbons A B with the tubes C D, ap- 6o plied to direct, respectively, a gas and an air jet between the points of the carbons, substantially as described.
LEDYARD COLBURN.
Witnesses:
J OHN E. EARLE, J 0s. 0. EARLE.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US316240A true US316240A (en) | 1885-04-21 |
Family
ID=2385387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US316240D Expired - Lifetime US316240A (en) | Half to eichaed e |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US316240A (en) |
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0
- US US316240D patent/US316240A/en not_active Expired - Lifetime
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