US965863A - Lamp. - Google Patents

Lamp. Download PDF

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Publication number
US965863A
US965863A US55852410A US1910558524A US965863A US 965863 A US965863 A US 965863A US 55852410 A US55852410 A US 55852410A US 1910558524 A US1910558524 A US 1910558524A US 965863 A US965863 A US 965863A
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US
United States
Prior art keywords
lamp
wick tube
fuel
plate
receptacle
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
Application number
US55852410A
Inventor
George Kearney Bradfield
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vacuum Oil Co
Original Assignee
Vacuum Oil Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vacuum Oil Co filed Critical Vacuum Oil Co
Priority to US55852410A priority Critical patent/US965863A/en
Application granted granted Critical
Publication of US965863A publication Critical patent/US965863A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L19/00—Lanterns, e.g. hurricane lamps or candle lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details
    • F23D11/44—Preheating devices; Vaporising devices

Definitions

  • WITNESSES
  • This invention relates to lamps of the type in which wax or other normally solid fuel is burned.
  • One object of the invention is to provide a lamp of the kind in question with improved means for melting the fuel as it is consumed.
  • I provide the wick tube of the lamp with an integral downward extension of novel form connected with the bottom of the lamp.
  • Another object of the invention is to provide a lamp of the kind in question with im proved means for collecting and returning to the wick tube any liquid fuel which may escape from the wick tube or drop from the wick.
  • I provide the spout of the lamp with a substantially horizontal plate near the u per end thereof, which produces a receptac e for liquid, and in combination with this device I use a wick tube mounted in the plate and having upwardlyextending heat-collecting projections and intermediate recesses extending downward substantially to the upper surface of the plate so as to provide drainage openings through which any liquid collecting upon the plate may drain back into the wick tube and be absorbed by the wick.
  • Figure 1 is a vertical median section of a lamp embodying the present invention
  • Fig. 2 is a vertical section on the line 22 in Fig. 1, looking from right to left
  • Fig. 8 is a perspective View of the wick tube and the heat conductor.
  • the illustrated embodiment of my inven tion is provided with a body 1 of sheet metal which constitutes a fuel receptacle, and is provided with a filling opening closed by a screw cap 3.
  • the lamp is provided with a spout 1 projecting from the front of the fuel receptacle, and within this spout is mounted the wick tube 5.
  • the wick tube is formed integral with a heat conductor 6 which extends downwardly from the wick tube in oblique position to the bottom of the fuel.
  • the lower end 7 of the heat conductor is secured to the bottom of the receptacle by means of solder, or in any other convenient manner, so as not only to secure the heat conductor in place in the lamp, but also to facilitate the conduction of heat to the bottom of the receptacle so as to promote the melting of the fuel.
  • the heat conductor is formed in such a manner that it hasa generally concave form
  • the upper end of the spout l is closed by surrounding the wick tube.
  • Theupper end of the wick tube is serrated to produce upwardly-extending heat-collecting projections 9 which are heated by the flame of the lamp and thus promote the conduction of heat downward through the wick tube and the heat conductor 6.
  • the wick tube is arranged to project above the plate 8 to such an extent that the recesses between the projections 9 extend downward to, or substantially to, the upper surface of the plate 8., For this reason these recesses constitute drainage openings for the drip receptacle, so that any liquid fuel collecting in this receptacle is at once drained back into the wick tube and absorbed by the wick. Owing to this arrangement the exterior of the lamp is always kept clean and free from fuel, and the waste of fuel is also prevented.
  • a lamp having, in combination, a fuel receptacle provided with a spout, a substaning downward substantially to the surface tially horizontal plate closing the upper end of the plate so as to conduct liquid from the of the spout below the upper edge thereof plate to the wick tube.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

G. K. BRADPIELD.
LAMP. APPLICATION FILED A2129. 1910.
WITNESSES: |NVENT-OR D. 3W WM UNITED STATES PATENT OFFICE.
GEORGE KEARNEY BRADFIELD, OF HACKENSACK, NEW JERSEY, ASSIGNOR TO VACUUM OIL COMPANY, OF ROCHESTER, NEW YORK, A CORPORATION OF NEW YORK.
LAMP.
Specification of Letters Patent.
Patented Aug. 2, 1910.
T 0 all whom it may concern:
Be it known that I, Gnonon KEARNEY BRADFIELD, a citizen of the United States, and resident of Hackensack, in the county of Bergen and State of New Jersey, have in vented certain new and useful Improve ments in Lamps, of which the following is a specification.
This invention relates to lamps of the type in which wax or other normally solid fuel is burned.
One object of the invention is to provide a lamp of the kind in question with improved means for melting the fuel as it is consumed. To this end I provide the wick tube of the lamp with an integral downward extension of novel form connected with the bottom of the lamp.
Another object of the invention is to provide a lamp of the kind in question with im proved means for collecting and returning to the wick tube any liquid fuel which may escape from the wick tube or drop from the wick. To this end I provide the spout of the lamp with a substantially horizontal plate near the u per end thereof, which produces a receptac e for liquid, and in combination with this device I use a wick tube mounted in the plate and having upwardlyextending heat-collecting projections and intermediate recesses extending downward substantially to the upper surface of the plate so as to provide drainage openings through which any liquid collecting upon the plate may drain back into the wick tube and be absorbed by the wick.
In the drawings :Figure 1 is a vertical median section of a lamp embodying the present invention; Fig. 2 is a vertical section on the line 22 in Fig. 1, looking from right to left; and Fig. 8 is a perspective View of the wick tube and the heat conductor.
The illustrated embodiment of my inven tion is provided with a body 1 of sheet metal which constitutes a fuel receptacle, and is provided with a filling opening closed by a screw cap 3. The lamp is provided with a spout 1 projecting from the front of the fuel receptacle, and within this spout is mounted the wick tube 5. The wick tube is formed integral with a heat conductor 6 which extends downwardly from the wick tube in oblique position to the bottom of the fuel. receptacle, and the lower end 7 of the heat conductor is secured to the bottom of the receptacle by means of solder, or in any other convenient manner, so as not only to secure the heat conductor in place in the lamp, but also to facilitate the conduction of heat to the bottom of the receptacle so as to promote the melting of the fuel.
The heat conductor is formed in such a manner that it hasa generally concave form The upper end of the spout l is closed by surrounding the wick tube. Theupper end of the wick tube is serrated to produce upwardly-extending heat-collecting projections 9 which are heated by the flame of the lamp and thus promote the conduction of heat downward through the wick tube and the heat conductor 6. The wick tube is arranged to project above the plate 8 to such an extent that the recesses between the projections 9 extend downward to, or substantially to, the upper surface of the plate 8., For this reason these recesses constitute drainage openings for the drip receptacle, so that any liquid fuel collecting in this receptacle is at once drained back into the wick tube and absorbed by the wick. Owing to this arrangement the exterior of the lamp is always kept clean and free from fuel, and the waste of fuel is also prevented.
I claim A lamp having, in combination, a fuel receptacle provided with a spout, a substaning downward substantially to the surface tially horizontal plate closing the upper end of the plate so as to conduct liquid from the of the spout below the upper edge thereof plate to the wick tube.
so as torprovide a drip receptacle, and a GEORGE KEARNEY BRADFIELI) 5 Wick tube secured in said plate and having lvltnessesz heat-conducting projections extending above HUBERT A. JUDGE,
the plate, the intermediate recesses eXtend- LOUIS H. KEFER.
US55852410A 1910-04-29 1910-04-29 Lamp. Expired - Lifetime US965863A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US55852410A US965863A (en) 1910-04-29 1910-04-29 Lamp.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55852410A US965863A (en) 1910-04-29 1910-04-29 Lamp.

Publications (1)

Publication Number Publication Date
US965863A true US965863A (en) 1910-08-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
US55852410A Expired - Lifetime US965863A (en) 1910-04-29 1910-04-29 Lamp.

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