Lanterns with Paraffine or other Liquid.
Year: 1888

page_text: Date of Application, 10th Apr., 1888
Complete Specification Left, 6th Dec., 1888
Complete Specification Accepted, 8th Jan., 1889
Lanterns with Paraffine or other Liquid.
We, JAMES BOURNE COWDY, of Clarence Crescent, Sidcup, in the County of Kent,
Merchant, and JOHN ALEXANDER SAMUELS, of Kingston Road, Wimbledon, in the
County of Surrey, Lamp Maker, do hereby declare the nature of this Invention, to be
as follows:-
In lamps or lanterns provided with a separate or upper oil supply vessel
we connect the oil reservoir of the lamp or lantern with the supply vessel by means
of a pipe provided with a small float chamber forming, it may be, part of the pipe and
furnished with a float. This float is, by a rod or wire, connected to a feeding wick in
the pipe and which, at its upper end, dips into the oil in the supply vessel but which,
when the float rises by reason of an excess of oil feed, is raised. up out of the oil, thus
interrupting the feed. Or, the float may be arranged in the lower part of the lamp
oil reservoir, connection being made therefrom to the feeding wick.
To connect the
wire to the feeding wick the latter is suitably, at its upper end, provided with a clip
and supported, pivotting, as it were, on the support, the clipped wick end hanging
over, so that the wick end is lifted out of or drops into the liquid according to the rise
and fall of the float.
'

page_text: Lanterns with Paraffine or other Liquid.
I, JAMES BOURNE COWDY of Clarence Crescent, Sidcup, in the County of Kent,
Merchant and JOHN ALEXANDER SAMUELS of Kingston Road, Wimbledon, in the
County of Surrey, Lamp Maker, 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:-
.
In lamps or lanterns provided with a separate or upper oil supply vessel we connect the
oil reservoir of the lamp or lantern with the supply vessel by means of a pipe provided
with a small float chamber forming it may be part of the pipe and furnished with a
float. This float is by a rod or wire connected to a feeding wick in the pipe and
which at its upper end dips into the oil in the supply vessel but which when the float
rises by reason of an excess of oil feed is raised up out of the oil, thus interrupting the
feed. To connect the wire to the feeding wick the latter is suitably, at its upper end
provided with a clip and may be supported pivotting, as it were, on the support the
clipped wick end hanging over, so that the wick end is lifted out of or drops into the
liquid according to the rise and fall of the float.
Figure 1 of the accompanying, drawings is a side view and Figure 2 a plan of a
square single lamp lantern constructed according to this invention; Figure 3 is a part
sectional side view of same and Figure 4 a plan section through the upper oil supply
chamber.
The upper annular oil supply vessel A has a filling hole and cover A' and is by the
pipe B and lateral branch pipe B connected with the lamp oil reservoir Cinto which the
burner D is screwed or fixed in any ordinary or convenient way. C2 is a blind supporting
tube branch. In the pipe B we provide a float E which may have thin outer ribs which
nearly reach to the jinner sides of the tube B. The float E hangs by a wire E¹ that
passes through a guide in the lower end of a sleeve F and at its upper end has a
downwardly bent wire F the two lower ends of which are clipped or fixed to the
feeding wicks G and the upper part of which has a loop F. The wicks G dip in the
oil in the supply vessel A and carry oil dropwise down to the bottom of the tube B for
the float E to float therein and for supplying the lamp reservoir C. His a bailshaped
wire spring for holding the wicks in place by pressing them tightly against the sides
of the tube F. When the float E rises above its normal position by reason of a two
plentiful feed of oil the wire or rod E¹ rising will lift the wire F and wick ends out
of the oil in the supply vessel A and stop further feed until the equilibrium of feed has
been restored: By the cover A' access is gained to the feeding wicks and parts in
connection therewith. The tube B being in one corner of the lantern does not
appreciably interfere with the light or cast any shadow. The air draught through the
ventilating holes I keeps the annular supply vessel A cool.
Figure 5 is side view and Figure 6 plan of a hexagon three lamp lantern. Figure 7
is about half full size sectional view of the supply vessel and parts connected therewith.

page_text: The supply vessel A is of a three armed shape as shown in Figure 5 with cap A¹ over
the filling hole and cap A² over the lamp oil feed appliance. These are of the same
form as in the first described example. K is a tube around the central feed tube B
for creating a cooling air current. L L L are ventilators on the top of the lantern.
Having now particularly described and ascertained the nature of our said invention
and in what manner the same is to be performed we declare that what we 'claim
is :-
First In a lamp or lantern with upper oil supply vessel a float in a pipe or
chamber which communicates with one or more lamp reservoirs, the float being
connected to one end of one or more feeding wicks which normally dip into the oil of
the upper oil supply vessel but are raised out of the oil when the float by reason of
excess oil feed rises above a certain point substantially as set forth.
Second-The construction of automatic oil feed appliance for lamps substantially
as described and shewn.
Third: The constructions of lantern with automatic oil feed shown on the
drawings.