Improvements in Velocipede and like Lamps.
Year: 1890

page_text: Date of Application, 13th June, 1890
Complete Specification Left, 13th Apr., 1891—Accepted, 6th June, 1891
PROVISIONAL SPECIFICATION.
Improvements in Velocipede and like Lamps.
We, CHARLES ALBERT MILLER and FREDERICK JOHN MILLER both of
Miller Street Aston, near the City of Birmingham, Manufacturers, do hereby
declare the nature of this invention to be as follows:-
Combustion, in ordinary lamps, takes place within the interiors of them, in manner,
that the products of combustion given off, is allowed to pass into the said interiors,
before the same ascends and passes away through the openings in the top; and
further, the light emitted from the flame, also passes into the said interior, and
through the glazed front.
By our invention, the products of combustion pass directly away, without passing
to the interior of the lamp, whilst the rays of light emitted from the flame, are
partly directed through the glazed front, and partly strike the interior of the coned
bell, and from thence reflected outwardly in parallel, or nearly parallel rays.
According to our invention, we provide the lamp with a depending metallic
chimney or tube, with the lower end contracted, and coming around or in close
proximity with, the burner, or the wick tube or tubes of it; and between the space
made between the said burner and lower edge of the chimney, air for promoting
combustion (within the combustion chamber, which is the lower part of the
chimney,) inwardly passes.
The lower front end of the said chimney, or that side presented to the glazed
front, is provided with an aperture, wherein the inner and contracted end of the
bell, takes, when the door carrying the said bell is closed.
Thus, the inner end of the bell, which is carried upon the inner side of the door,
is made to extend itself slightly into, and fill up, the aperture, whilst the front of the
bell, which is upon the outer side of the door, is glazed.
The axis of the bell, which is coned inwardly, meets the centre of the flame,
which comes opposite its contracted end.
Besides the chimney having a front aperture, wherethrough the rays of light
outwardly pass from the lamp, through the bell, it has also side openings, for
allowing light to pass from the flame to the side lights.
These side openings in the chimney, may be closed, by sliding transparent covers,
such as talc, and may be either slid from or into position by hand, or by being
connected with, the side lights and further, the said holes answer the double
purpose of forming entrances for the lighting of the wick, and also side outlets,
for the light.
The upper end of the chimney, is directed through the top of the lamp, into an
open-ended cowl, situated above it.
A
By our invention, increased size, steadiness, and illuminosity of the flame is
obtained, smoking prevented, or partially so, increased draught insured, and the
products of combustion given off from the flame, caused to pass, or be conducted up
the axis of the chimney, even when the lamp, is tilted or inclined to a considerable
angle.
Air supply may be obtained, and directed from the top of the lamp, instead of
from the bottom, and in its descent, be made to become heated, by being brought
into intimate contact with the outside of the heated chimney.
If necessary, the chimney, or both chimney and bell, may be made adjustable, so
that the former can be regulated to come within any set distance of the burner, and
the latter's inner end, to be made to fit accurately within the aperture.
The chimney sides, may be made parallel or taper, and may on the inside back
of it, behind the flame, be provided with a reflector.

page_text: The glazed front, is made alike unto a cap, with a ring, which admits of the
same being affixed, and taking upon the front extreme end of the bell.
Dated this 12th day of June 1890.
CHARLES ALBERT MILLER.
FREDERICK JOHN MILLER.
By Henry Skerrett,
6, Livery Street, Birmingham, Agent for Applicants.
гостренс аци
We, CHARLES ALBERT MILLER and FREDERICK JOHN MILLER both of
Miller Street Aston near the City of Birmingham, Manufacturers, 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 relates to velocipede lamps, and consists primarily in providing
the same with a centrally disposed depending shaft or chimney within an opening
situated in the side of the lower part of which, the entrance or the mouth of the
bell takes and fits, hence a continuous passage across the interior of the lamp from
the shaft or chimney to the glazed opening or bell of the lamp.
Instead of the passage, which is an inner extension of the glazed opening or bell
being carried upon the door it may be a fixture with one of the fixed inside walls of
the lamp, or it may be a fixture or integral with the shaft or chimney.
Figure 1 of the accompanying drawings, represents partly in vertical section,
and partly in elevation, a velocipede lamp, with its body part constructed and arranged
according to one form of our invention. The interior of the body of the lamp, is
so constructed and provided, that the products of combustion given off from the
burner are confined in manner that the same leave the lamp without getting to its
interior, and to the glazed surfaces covering apertures within its front, or carried by
its front.
Figure 2 is a transverse section of the lamp body, with the front accessories of it,
upon the dotted lines A B Figure 1, showing how the mouth of the funnel shaped
projecting part or tube, commonly called the bell, enters the lower part of the shaft,
immediately in front of the flame, hence allowing the homogenous rays of light to
diverge directly from the flame outwardly through the said bell, and without
intermingling with the products of combustion, which usually come in contact with
the glazed surface or surfaces, which become smoked or dulled thereby.
Figure 3 represents a like view as Figure 2, but with the door partly open, and
the bell, or the mouth of it, removed from the opening in front of the lower part
of the shaft.
Figure 4 represents a front elevation of the body of the lamp, with the door
fully opened, thus showing the aperture in the lower part of the shaft, wherein the
inwardly extending mouth of the bell, takes, when the door is closed.
a is the outside wall or shell of the body of the lamp, b an oil tank, fitted within
its foot or lower part, and with the ventilating holes 62 at its bottom, wherethrough
air inwardly passes, for supplying the same to the burner c, above which, a shaft d,
open at top, and partly open at bottom, comes. This said shaft, which is preferably
conical, or smaller at top than near its bottom, has an aperture at its front,
wherein the mouth 3 of the inwardly extended part or junction e², of the bell
takes, when the hinged door f, carrying the said bell, is closed.
eg
g is the glazed front of the bell, hooded by a poke h, while i is an open ended
arch crown, with an open sided wind guard, disposed within it, and with the open
ends of the latter directed to the closed side of the former, hence a wind guard,

page_text: The top of the interior of the lamp, at the foot of the crown, is enclosed by a
roof, so that the products of combustion passing up the shaft, and through its
open top, is directed to the crown under the wind guard, and further, the said
shaft is partly gathered in at its lower part d³, so that the air for promoting
combustion is directed to the flame, by passing through the open bottom, d, where
indicated by the arrows.
The inside of the shaft or chimney, opposite the mouth of the junction part of
the bell (and behind the flame) may be provided with a reflector, so that the rays
of light given off from the flame, are confined within the space enclosed by the
shaft, and then reflected outwardly through the bell, which has an amplified field
of conveyance.
From the above description it will be understood that the products of combustion,
being expeditiously conducted away, by ascending within the confined limits of the
shaft, do not come in contact with the glazed surfaces, which in ordinary lamps,
become dulled and smoked, and further, the light emanating from the flame, being
confined, becomes amplified, consequent upon its rays being first confined, and
directed or reflected outwardly through the bell.
The lamp may be mounted or supported in any desired way, or upon arms of the
"parallel-motion" type, with socket, as represented in Figure 1.
Instead of the bell e, and its inwardly directed junction part e², e³, being carried
by the door of the lamp, it may be mounted within a fixed front or other part of
the body of the lamp, so long as the month of the funnel shaped tube is directed up
to, or fits within, an aperture in the lower part of the shaft or chimney made to
receive it. In this case, the door will be independently mounted, and preferably at
the side.
Figure 5 represents a horizontal section of a direct rays system lamp, with the
shaft or chimney provided with side lights which come opposite the lamp side
lights or glazed openings. a is the body of the lamp, c the burner. d the shaft,
with glazed or transparent covered openings d', wherethrough light passes to the
side lights a², let within openings a³, made within the sides of the lamp. e is the
bell with the inner mouth end e, e³, jutting into the aperture d², of the bell made
to receive it.
Figure 6 represents a modification of Figure 5. The side lights, or one of them,
is removable by a sliding action, and is placed in front of, or coincident with, an
ordinary or other opening side light of the lamp, whereby access is gained for
lighting the lamp without opening the door. a is the body of the lamp, c is the
burner, mounted upon the tank as usual, and a², a³, are side lights, with the latter
connected by carriers or stays a', to a sliding side light d', of the shaft or chimney d,
so that by sliding the said side light a³ aside, the side light d', of the shaft or
chimney, is removed from over its opening, so that access for lighting the lamp is
obtained, through the combined openings of both lamp and chimney or shaft. The
covered openings in the shaft and lamp, on the other side, are removable, as in the
preceding figure.
Figure 7 represents a vertical section of the body of a regenerative cycle lamp,
constructed and arranged according to another form of our invention.
Figure 8 is a transverse section, on the dotted lines C D.
The air for supplying combustion to the flame of the lamp, enters from near the
top and descends circuitously around the outside walls of the shaft or chimney, and
under and through the semi-open bottom to the flame.
a is the body of the lamp, b the oil tank, with burner c, mounted upon the top of
it, d is the chimney or shaft, with a semi-open bottom d, and open top d³.
e is the bell, with the mouth es of its inner end e, crossing the interior of the front
body part of the lamp, and jutting into the shaft or chimney. is the crown of the
lamp, the roof, and j the wind guard.
Air for combustion, enters the body of the lamp through openings a¹, just under
the inside of the roof or top, and from thence it descends down the space, 2,
disposed between the outer casing or jacket & encircling circumferentially the

page_text: shaft, and is then delivered through the opening ³ to the burner or flame of the
lamp.
By encircling the shaft by an outer casing or jacket, air entering the body of the
lamp, has to pass through the space, and then descend over the heated outside walls
of the shaft before its delivery for promoting combustion.
The bell part, with its inward jutting, or the glazed opening in the front of the
lamp, instead of being carried or made a part of the door, may be a fixture with the
front of it, so that the inwardly jutting part, becomes a fixture also with the shaft.
In this case, the door is upon the side of the lamp, and the burner passed into
position by leaving an opening in the lower portion of the said shaft; and which
opening may be filled up by a closure, carried by the burner or tank.
Figure 9 represents in vertical section, partly in elevation, a lamp constructed
according to another form of our invention. In this arrangement, the inwardly
directed extension of the bell, which is only a joining up sleeve or lead, connecting
the shaft or chimney to the bell, or the glazed opening to the lamp, is formed
independent of the bell, and remains a fixture with the shaft, so that on the door
being opened, the joining up sleeve remains behind.
Figure 10 represents a transverse section of the lamp Figure 9, showing the door
partly open, and away from the joining-up sleeve, or tubular lead or passage.
a is the body, the oil tank, the shaft or chimney, with a joining up sleeve or
passage e, made a fixture with the shaft, and adapted for connecting the said shaft
with the bell e, or glazed opening in the lamp.
When the door of the lamp is closed as in Figure 9, the sleeve part e², closes the
junction between the parts, as aforesaid.
To allow the burner to take a central position under the shaft, the lower portion
of the side of the said shaft is cut away, and filled up by a closure or thin strip of
metal, preferably carried by the tank of the burner.
Having now particularly described and ascertained the nature of our said inven-
tion, and in what manner the same is to be performed, we declare that what we
claim is
First In a velocipede lamp, prolonging or continuing the entrance, or the
mouth to the entrance of the primary glazed opening or bell, by a separate and
tubular extension, sleeve or closure channel, which is carried by the door, and juts,
or is directed inwardly from its inside, and terminating or fitting within an opening
in a centrally disposed and depending shaft or chimney, affixed to the body of the
lamp, and directed above the burner thereof, and wherein the flame is disposed,
and up which the products of combustion, pass, substantially as described and set
forth in Figures 1 to 4.
Secondly In a velocipede lamp, prolonging or continuing the entrance, or the
mouth to the entrance, of the primary glazed opening, or bell, which is fitted in
the front of the lamp, by a fixed tubular extension, sleeve or closure channel,
directed inwardly from the fixed inside walls of the lamp, and terminating or fitting
within an opening in a depending shaft or chimney, affixed within the interior of
the body part of the said lamp, and with the upper open end of the said shaft or
chimney, made to terminate in a crown, while the lower end, wherein the flame is
disposed, comes upon, or immediately above the burner part, substantially as
described and set forth in Figures 1 to 4.
Thirdly-In a velocipede lamp, the combination with the door, of an inwardly
directed sleeve, or tubular closure e, e², whose mouth end is adapted to fit within
(when the door is closed) an opening of a fixed shaft, located within the middle or
body part of the lamp, substantially as described and set forth in Figures 1 to 4.
Fourthly-The combination with a velocipede lamp, having a fixed shaft located
within the middle of the body part of it, and extending itself into the crown, which
is separated from the body part, by a partition or roof, of a movable inner tubular
extension, closure or sleeve of the glazed front or bell, carried by the door,
substantially as set forth.

page_text: Fifthly In a velocipede direct rays system lamp, as in the preceding claims,
the combination with the shaft d of glazed side openings d', as in Figure 5, and
glazed side openings d', together with lamp glazed side openings a³ in Figure 6,
substantially as set forth.
:
Sixthly In a velocipede direct rays system lamp, the combination with the
shaft or chimney, of a regenerative chamber, circumferentially surrounding it in
the form of a jacket, whereby air for promoting combustion becomes heated, before
the same is supplied to the burner or flame, substantially as described and set forth
in Figures 7 and 8.
Seventhly-In a velocipede lamp, the combination with a shaft or chimney d,
of a cylindrical passage or connecting sleeve e², made rigid to the said shaft or
chimney, and adapted to form a passage or lead between the chimney, and the
glazed front or bell, of which the latter is carried by the front of the lamp,
substantially as described and set forth in Figures 9 and 10.
Dated this 11th day of April 1891.
CHARLES ALBERT MILLER.
FREDERICK JOHN MILLER.
By Henry Skerrett,
6, Livery Street, Birmingham, Agent for Applicants.