IMPROVEMENTS IN BOILER FURNACES, STOVES, AND FIRE PLACES, FOR THE BETTER CONSUMPTION OF SMOKE AND ECONOMIZING OF FUEL "
Year: 1882

page_text: LETTERS PATENT to Thomas Ogden of Burnley in the County of Lancaster
Wine and Spirit merchant for an invention of "IMPROVEMENTS IN BOILER
FURNACES, STOVES, AND FIRE PLACES, FOR THE BETTER CONSUMPTION OF SMOKE
AND ECONOMIZING OF FUEL
"
PROVISIONAL SPECIFICATION left by the said Thomas Ogden at the Office
of the Commissioners of Patents on the 9th June 1882.
THOMAS OGDEN of Burnley in the County of Lancaster Wine and Spirit
Merchant IMPROVEMENTS IN BOILER FURNACES, STOVES, AND FIRE PLACES FOR
THE BETTER CONSUMPTION OF SMOKE AND ECONOMIZING OF FUEL
The first part of my invention relates to Boiler furnaces, and consists in the
application of a series of tubes placed in suitable position near the bridge, the face
of which is inclined or curved towards the furnace, the flame passing through and
around the tubes and against the face of the bridge, they will together become
heated and thereby tend to consume the smoke. My invention relates also to
domestic stoves or Fire places, and consists in constructing that portion of the fire
back which is in immediate contact with the fire, so as to present thereto an
inclined or or concave face (on which may be formed flutings or air passages) which
becoming heated will greatly tend to the consumption of smoke and also economize
fuel.
A Midfeather or partition may be placed in suitable position at the back of
the fire so as to regulate the draught passing the inclined or concave face above
alluded to.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed
by the said Thomas Ogden in the Great Seal Patent Office on the
8th December 1882.
THOMAS OGDEN of Burnley in the County of Lancaster Wine and Spirit
Merchant. IMPROVEMENTS IN BOILER FURNACES, STOVES AND FIRE-PLACES, FOR
THE BETTER CONSUMPTION OF SMOKE AND ECONOMIZING OF FUEL.
The First part of my invention relates to boiler furnaces, and consists in the
application of a series of tubes or passages placed in suitable position, so that the
ends thereof which are in immediate contact with the fire, will assume an inclined
form, and overhang the furnace, the said tubes or passages are built over and
above the bridge, the face of which is also inclined, whereby the gasses or heated
products of combustion will impinge against the inclined surface of the bridge
tubes or passages which will thereby become heated in such a manner that the
consumable products of combustion are consumed prior to their passing off into the
chimney
My invention relates. also to domestic stoves, or fire-places and consists in con-
structing that portion of the fire back which is in immediate contact with the fire,
so as to present thereto an inclined or concaved surfaceon which is formed flutings
grooves, or air passages these not only admit of a free circulation of air, but greatly
extend the surface presented which becoming heated will tend to economize fuel,
radiate heat and greatly assist in the consumption of smoke
And in Order that my invention may be fully understood and readily carried
into operation I will proceed to describe the accompanying sheets of drawings,
reference being had to the figures and letters marked thereon. Fig 1 is a front
elevation and transverse section, and Fig 2 a longitudinal section, in which views
are represented the first part of my invention, which is also applicable to various
descriptions of furnaces. A is the bridge, B the tubes or passages, the front of
which are inclined as seen in longitudinal section fig 2 and acted upon by the
heated products of combustion as herein above mentioned, and as seen in dotted
lines fig 2 flutings or grooves are formed for the passage of air over the face of the
bridge, an opening or openings being provided in the dead plate f for this
purpose.
Air may also be admitted under the bridge, through the spaces or apertures E
so as meet and mingle with any smoke that may be unconsumed and passing the
heated tubes or passages B and thereby converting the same to flame.
Although a double set of tubes or passages are shewn it will be obvious that one
or more sets may be used as may be found most convenient.
Fig 3 is a front view and Fig 4 a Section of a domestic fire place in which is
represented the second part of my invention I construct that portion of the fire
back G which is in immediate contact with the fire so as to present an inclined or
concaved surface which overhangs the advancing flame and partially contracts the
throat of the chimney, and thereby impedes the heated gasses from passing away
unconsumed, Flutings grooves or air passages are formed on the said surface
which becoming heated, will together with the contraction above alluded to greatly
assist in consuming smoke, and also emit and radiate a considerable amount of
heat into the room which would otherwise pass up the chimney.
I would here observe that the undergrate seen in fig 5 with openings h gradually
enlarged from front to back, and also provided with spaces I which may correspond
in number with the passages on the surface G may be used for the better circulation
of air to the passages and back portion of the fire.

page_text: Having now described and particularly ascertained the nature of the said inven-
tion and the manner in which the same is or may be used or carried into effect, I
would observe in conclusion that what I consider to be novel and original and
therefore claim as the invention secured to me by the hereinbefore in part recited
letters patent is
Firstly the arrangement and construction of the bridge and passages substantially
as described and set forth
Secondly the application of the inclined or concaved surface G provided with air
passages for the purpose set forth.
In Witness whereof I the said Thomas Ogden have hereunto set my hand
and seal this sixth day of december in the year of our Lord One
thousand eight hundred and eighty two.
5
'Signed, sealed, and delivered by
the said Thomas Ogden in
the presence of
THOMAS RICHMOND
Patent Agent
THOMAS OGDEN (L.S.)
Burnley.