An Improvement in Incandescent Gas Lamps.
Year: 1896

page_text: Date of Application, 27th June, 1896
Complete Specification Left, 22nd Feb., 1897-Accepted, 10th Apr., 1397
PROVISIONAL SPECIFICATION.
An Improvement in Incandescent Gas Lamps.
I, MARIE LOUIS DENAYROUZE, of 70 Boulevard Victor-Hugo, Neuilly (Seine)
France, Engineer, do hereby declare the nature of this invention to be as follows:-
My invention relates to the construction of an incandescent gas lamp in such a
manner as to utilise the energy of the gas supply, the draught of the chimney and
the power of a jack wheel mounted in the chimney for effecting the supply of air
and intimately mixing it with the gas so as to obtain very hot: Bunsen flames for
heating the incandescent mantles.
For this purpose I arrange two or more burners with their mantles within a glass
cylinder or globe, in the centre of which between the burners is mounted a vertical.
spindle. On this spindle, in a chimney above the cylinder or globe, is fixed a jack
wheel having inclined blades, which is caused to revolve by the upward current of-
the products of combustion.
In a casing below the burners there are fixed on the central spindle another jack.
wheel with inclined blades and also above it a fan.
The gas along with a portion of the air drawn in by it through lateral openings
playing upon the jack wheel below, tends to turn it, thus aiding the jack wheel in
the chimney above. The fan, driven by both wheels draws in a farther supply of
air, and, mixing it intimately with the gas and air drawn in below, sends the mixture
into a chamber above from which it passes by branches to the two or more burners,.
these receiving a farther supply of air for combustion, drawn in laterally from below.
the cylinder or globe.
DEAL. 97ah dan of Tuve 1896
ABEL & IMRAY,
Agents for the Applicant..
An Improvement in Incandescent Gas Lamps.
I, MARIE LOUIS DENAYROUZE, of 70 Boulevard Victor-Hugo, Neuilly (Seine)
France, Engineer, 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:-
My invention relates to the construction of an incandescent gas lamp in such a
manner as to utilise the energy of the gas supply, the draught of the chimney and
the power of a jack wheel mounted in the chimney for effecting the supply of air
and intimately mixing it with the gas so as to obtain very hot Bunsen Hames for
heating the incandescent mantles.
For this purpose I arrange on a hollow base E two or more burners with their
mantles F within a glass cylinder or globe I, in the centre of which between the
burners is mounted a vertical spindle L. On this spindle, in a chimney O above-

page_text: the roof K of the cylinder or globe I is fixed a jack wheel H having inclined blades,
which is caused to revolve by the upward current of the products of combustion.
In a casing A below the burners there are fixed on the central spindle another
jack wheel C with inclined blades and also above it a fan with blades B.
The gas admitted at D along with a portion of the air drawn in by it through
lateral openings playing upon the jack wheel C below tends to turn it thus aiding
the jack wheel H in the chimney above. The fan B driven by both wheels draws
in a farther supply of air, and, mixing it intimately with the gas and air drawn in
below, sends the mixture into the chamber E from which it passes by branches to the
two or more burners, these receiving a farther supply of air for combustion, drawn
in laterally from below the cylinder or globe.
The spindle L passes through a ball bearing N above, and is pivotted on a
bearing M below, preferably jewelled.
By the arrangement described above I utilise three existing but weak sources of
power, the inflow of the gas, the heat of the combustion and the draught of a
chimney as little inconvenient as possible. I thus at no expense of power obtain
the effects which characterise my previous and existing inventions, which may be
thus summarised :-
It is only of the gas and air, that is to say the elements at present imperfectly
utilised of luminous combustion, that I require automatic production of the mixture
which gives the highest efficiency under an incandescent mantle, the mechanical
work for forming this mixture being borrowed from three weak sources of power,
the latent energy of which, hitherto wasted, being at once brought into action by
the combustion.
If, vapours of spirits, essences, mineral oils, acetylene and other hydrocarbon
compounds had pressure equivalent to that of gas supplying a Bunsen burner,
the apparatus described would work in the same manner, producing intense
incandescence.
Having now particularly described and
invention and in what manner the same is to be
claim is :-
ascertained the nature of this
performed, I declare that what I
1. The herein described method of effecting intimate mixture of the gas and air
for incandescence lamps by utilising the energy obtained from the inflow of gas,
the waste heat of combustion and the chimney draught for working the mixer.
2. The apparatus substantially as herein described for operating as above set
forth.
Dated this 22nd day of February 1897
ABEL & IMRAY,
Agents for the Applicant.