Improvements in Burners for Mineral Oil or other Lamps.
Year: 1890

page_text: Date of Application, 27th May, 1890
Complete Specification Left. 16th Feb., 1891-Accepted, 21st Mar., 1891
PROVISIONAL SPECIFICATION.
Improvements in Burners for Mineral Oil or other Lamps.
1, CHARLES WALTER VOSPER, Engineer, of 5, Woodland Terrace, Ashleigh
Road, Barnstaple, in the County of Devon, do hereby declare the nature of this
invention to be as follows:
This invention has for its object improvements in burners for mineral oil or other
lamps.
I make a burner (about the same size as the space generally used for the wick)
of carbon pumice stone asbestos or other porous substance, and insert it in the same
place where the wick is now used. By this means I avoid the consumption of the
wick and the necessity of paring or trimming lamps. The burners may be made to
come in direct contact with the oil in the fountain of the lamp and be used without
the assistance of a wick or may be made so that they will obtain their supply of oil
by contact with a wick of an ordinary kind. I employ a regulator in the shape of
a tube working on the exterior of the burner which when raised will diminish the
light or when lowered will increase its volume.
Deted this 27th day of May 1890.
CARPMAEL & CO.,
Agents.
COMPLETE SPECIFICATION.
Improvements in Burners for Mineral Oil or other Lamps.
I, CHARLES WALTER VOSPER, Engineer, of 5, Woodland Terrace, Ashleigh
Road, Barnstaple, in the County of Devon, do hereby declare the nature of this
invention, and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement :-
This invention has for its object improvements in burners for mineral oil or other
lamps.
In order to render paring or trimming of the wick unnecessary I employ a wick
of porous incombustible material as asbestos; the wick may be entirely of this
substance or preferably only the upper part thereof whilst the lower part which
This wick is contained
raises the oil by capillary action may be of woven cotton.
in a burner tube and around this is an outer tube serving as a regulator; it can be
raised and lowered by a rack and pinion or otherwise to diminish or increase the
flame. This regulating tube can also be raised into contact with the button in
order to extinguish the lamp. A like result may be obtained by lowering the
button.
In order that my said invention may be fully understood and readily carried into
effect I will proceed to describe the drawings hereunto annexed.
DESCRIPTION OF THE DRAWINGS.
Figure 1 is a vertical section of a lamp to which my improvements are applied.
Figure 2 shows the regulating tube removed from the lamp.
Figure 3 is a vertical section of another lamp made in accordance with my
invention in which the button can be lowered to extinguish the flame.
Figure 4 shows a detail of Figure 3.
a is the oil reservoir. is an air tube passing up through it to the top of the
burner. c is the outer tube of the burner surrounding the tube concentrically.
d is the gallery, it supports the glass or chimney e. is a button or flame spreader,
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page_text: its stem is fixed by cross bars to the interior of the tube b. g is a regulating tube
fitting over the upper end of the tube c and able to slide up and down upon it; a
rack is fixed to 9 and this engages with a pinion h. By turning the button h¹
which is on the axis of the pinion the regulating tube is adjusted to the position
required. The lower part of the wick is of woven cotton of the ordinary kind and
it is tipped with asbestos tape sewn on. This tip receives the oil from the cotton
fabric and supplies it to the flame. As the tip of the wick is incombustible
no provision is made for raising and lowering it but the flame is regulated by
raising and lowering the regulating tube g. To extinguish the lamp the regulating
tube is raised until it comes into contact with the button f.
In Figure 3 the stem of the button fin place of being fixed to the cross bar in
the air tube passes through a hole in it and through a corresponding hole in a
lower cross bar. The stem rests upon the arm of a moveable support i which is
pivotted at and has a hole in it at .
k is a spring surrounding the stem and pressing against a collar upon it. is a
metal cone which I sometimes provide to cause the air to impinge more directly
upon the exterior of the flame. When it is desired to put out the lamp, the
support is turned until the hole comes beneath the stem of the button, the
button then descends. The supply of air by the air tube bis at the same time cut
off by the closing of the tube at its lower end by the part of the moveable support i
around the hole.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is :-
1. The combination in a lamp burner of a stationary incombustible wick; a
regulating tube surrounding the wick; and apparatus for adjusting the regulating
tube to increase or diminish the flame, substantially as described.
2. The combination in a lamp burner of a button or flame spreader and a
regulating tube; the same being so arranged that the latter can be raised into
contact with the former, or vice versa, to extinguish the flame, substantially as
described.
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