US757040A - Safety oil-lamp. - Google Patents

Safety oil-lamp. Download PDF

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Publication number
US757040A
US757040A US15521303A US1903155213A US757040A US 757040 A US757040 A US 757040A US 15521303 A US15521303 A US 15521303A US 1903155213 A US1903155213 A US 1903155213A US 757040 A US757040 A US 757040A
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Prior art keywords
lamp
tank
oil
tube
wick
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Expired - Lifetime
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US15521303A
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Arthur Edward Holdaway
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q25/00—Extinguishing-devices, e.g. for blowing-out or snuffing candle flames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2239/00—Fuels
    • F23N2239/06—Liquid fuels

Definitions

  • My invention relates to improvements in lamps burning mineral oils; and the objects of my improvements are, first, to provide means by which, in the event of the lamp accidentally being upset or falling, dangerous ignition of the oil is automatically prevented, and, second, to provide means by which, if the lamp is upset or falls, the flame of the wick is autoniatically extinguished. I attain these objects by the means illustrated in the accompanying drawing, in which the figure is a vertical section through an ordinary table-lamp burning mineral oil.
  • a is a lower heavy stand upon which the lamp is carried.
  • FIG. 6 is a tank or reservoir for the oil, which may be of any desired convenient form, but is shown spherical in the drawing.
  • This reservoir or tank 6 is divided into separate sections, an upper one, d, and a lower one, f, by a partition 0, the upper section d being filled with a quantity of water or other suitable non-inflammable fluid introduced through an opening at e, which is closed by a screw or other plug or stopper.
  • the lower section f is filled with a sufiicient quantity of the mineral oil to be burned, introduced through a similar opening 9.
  • a wick-tube la passes down from the top of the lamp through the water chamber or section d and nearly to the bottom of the oil section or chamber f. The upper end of this tube it extends for a short distance above the top of the upper section d of the tank, and into its upper open end is screwed the burner d of the lamp.
  • the upper part of the Wick-tube h and the burner are kept cool, and if the lamp is accidentally upset or falls the water in the upper tank OZ passes through the holes k and thosel into the tube it and prevents the oil in the lower tank from running out or becoming ignited. At the same time some of the water will be thrown up through the burner and extinguish the flame.
  • an automatic extinguisher consisting of a plate or cap at, carried by a spring 0, which is fixed to the burner at p, which cap when released covers the top of the wick-tube and extinguishes the flame.
  • the cap 12 has fixed to it an arm q, the free end of which passes out through ahole in the side of the gallery r of the lamp.
  • a hinged weighted catch 8 is pivoted at t, and when the arm 9 is pushed down so as to remove the cap n from the top of the burner it is caught and held down by the catch ,9. If, however, the lamp falls or is upset, the shock shakes ofl the catch 8, and the cap 12 instantly closes automatically and extinguishes the flame.
  • a tank having an upper section (Z for water and a lower section f for oil, a wick-tube h arranged centrally of the tank and an inverted cupj, the said wick-tube, water-tank and inverted cup having perforations extending through their walls, substantially as described.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)

Description

No. 757,040 PATENTED APR. 12, 1904 A. B. HOLDAWAY.
SAFETY OILLAMP. APPLICATION FILED MAY 1. 1903.
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UNITED STATES Patented April 12, 1904.
PATENT OFFIcE.
SAFETY OIL- LAIVIP.
SPECIFICATION forming part of Letters Patent No. 757,040, dated April 12, 1904.
' Application filed May 1, 1903. Serial No. 155,213. (No model.)
To on whom it may concern:
Be it known that I, ARTHUR EDWARD HoLD- AWAY, a subject of the King of Great Britain, and a resident of 235 Old Kent road, London, in the county of Middlesex, England, have invented new and useful Improvements in Safety Oil-Lamps, of which the following is a specification.
My invention relates to improvements in lamps burning mineral oils; and the objects of my improvements are, first, to provide means by which, in the event of the lamp accidentally being upset or falling, dangerous ignition of the oil is automatically prevented, and, second, to provide means by which, if the lamp is upset or falls, the flame of the wick is autoniatically extinguished. I attain these objects by the means illustrated in the accompanying drawing, in which the figure is a vertical section through an ordinary table-lamp burning mineral oil.
Similar letters refer to similar parts.
a is a lower heavy stand upon which the lamp is carried.
6 is a tank or reservoir for the oil, which may be of any desired convenient form, but is shown spherical in the drawing. This reservoir or tank 6 is divided into separate sections, an upper one, d, and a lower one, f, by a partition 0, the upper section d being filled with a quantity of water or other suitable non-inflammable fluid introduced through an opening at e, which is closed by a screw or other plug or stopper. The lower section f is filled with a sufiicient quantity of the mineral oil to be burned, introduced through a similar opening 9. A wick-tube la passes down from the top of the lamp through the water chamber or section d and nearly to the bottom of the oil section or chamber f. The upper end of this tube it extends for a short distance above the top of the upper section d of the tank, and into its upper open end is screwed the burner d of the lamp.
Round the projecting end of the wick-tube and upon the top of the water-tank d is fixed an inverted cup or collar j, inside the lower edge of which a number of holes k are made through the top of the water-tank d, and at a short distance above a number of similar holes Z are made through the wick-tube it. Finally a number of holes m are made through the upper side of the inverted cup or collar j.
By the method of construction described the upper part of the Wick-tube h and the burner are kept cool, and if the lamp is accidentally upset or falls the water in the upper tank OZ passes through the holes k and thosel into the tube it and prevents the oil in the lower tank from running out or becoming ignited. At the same time some of the water will be thrown up through the burner and extinguish the flame.
As a further protection against danger from the upsetting or fall of the lamp I use an automatic extinguisher, consisting of a plate or cap at, carried by a spring 0, which is fixed to the burner at p, which cap when released covers the top of the wick-tube and extinguishes the flame.
The cap 12 has fixed to it an arm q, the free end of which passes out through ahole in the side of the gallery r of the lamp.
A hinged weighted catch 8 is pivoted at t, and when the arm 9 is pushed down so as to remove the cap n from the top of the burner it is caught and held down by the catch ,9. If, however, the lamp falls or is upset, the shock shakes ofl the catch 8, and the cap 12 instantly closes automatically and extinguishes the flame.
What I claim as my invention, and desire to secure by Letters Patent, is-
In combination a tank having an upper section (Z for water and a lower section f for oil, a wick-tube h arranged centrally of the tank and an inverted cupj, the said wick-tube, water-tank and inverted cup having perforations extending through their walls, substantially as described.
In witness whereof I have hereunto set my hand in the presence of two witnesses.
ARTHUR EDWARD HOLDAWAY. Witnesses:
ARTHUR E. EDWARDS, ALFRED T. BRATTON.
US15521303A 1903-05-01 1903-05-01 Safety oil-lamp. Expired - Lifetime US757040A (en)

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US15521303A US757040A (en) 1903-05-01 1903-05-01 Safety oil-lamp.

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US15521303A US757040A (en) 1903-05-01 1903-05-01 Safety oil-lamp.

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