IMPROVEMENTS IN OVENS
Year: 1876

page_text: (
LETTERS PATENT to John Chapman Peacock, of Fern House, Endlesham Road,
Balham, in the County of Surrey, for the Invention of IMPROVEMENTS IN
OVENS."
Sealed the 12th April 1876, and dated the 3rd February 1876.
PROVISIONAL SPECIFICATION left by the said John Chapman Peacock at
the Office of the Commissioners of Patents on the 3rd February 1876.
JOHN CHAPMAN PEACOCK, of Fern House, Endlesham Road, Balham, in the
County of Surrey. "IMPROVEMENTS IN OVENS."
This Invention has for its object improvements in ovens.
In the Specification of a former Patent granted to me and dated the 18th day of
February 1875, No. 590, an oven is described which consists of a chamber clothed
with non-conducting material; it is heated by means of a gas burner contained
within the cooking space and at the lower part thereof. The outlet for the heated
air is from the bottoin of the cooking space and at the back, the gas burner being
at the front of the oven. Now I have found that the action of such ovens is
improved by forming the outlet close to the burner and leading the products of
combustion along under the bottom of the oven, and thence up the back to the
chimney.
As in my former Specification the passage by which the heated air escapes is
partitioned off from the cooking compartment by thin sheet metal which conducts
heat rapidly, so that as soon as the interior of the oven becomes warm a draft is set
up in the outlet passage. I now continue that thin partition along the bottom of
the oven leaving an interval between it and the bottom of the oven for the products
of combustion to pass to the chimney at the back. This thin sheet metal is
continued towards the chimney of the burner leaving a sufficient distance between
it and the burner to allow the products to pass freely to the chimney at the
back.
SPECIFICATION in pursuance of the conditions of the Letters Patent filed by the
said John Chapman Peacock in the Great Seal Patent Office on the 3rd August
1876.
JOHN CHAPMAN PEACOCK, of Fern House, Endlesliam Road, Balham, in the
County of Surrey. IMPROVEMENTS IN OVENS."
This Invention has for its object improvements in ovens.
In the Specification of a former Patent granted to me and dated the 18th day of
[Price 4d.]

page_text: February 1875, No. 590, an oven is described which consists of a chamber clothed
with non-conducting material; it is heated by means of a gas burner contained
within the cooking space, and at the lower part thereof. The outlet for the heated
air is from the bottom of the cooking space and at the back, the gas burner being
at the front of the oven. Now I have found that the action of such ovens is
improved by forming the outlet close to the burner and leading the products of
combustion along under the bottom of the oven, and thence up the back to the
chimney.
As in my former Specification the passage by which the heated air escapes is
partitioned off from the cooking compartment by thin sheet metal which conducts
heat rapidly, so that as soon as the interior of the oven becomes warm a draft is
set up in the outlet passage. I now continue that thin partition along the bottom
of the oven, leaving an interval between it and the bottom of the oven for the
products of combustion to pass to the chimney at the back. This thin sheet metal
is continued towards the chimney of the burner, leaving a sufficient distance
between it and the burner to allow the products to pass freely to the chimney at
the back.
In order that my said Invention may be most fully understood and readily
carried into effect, I will proceed to describe the Drawing hereunto annexed.
DESCRIPTION OF THE DRAWING.
The Drawing represents a longitudinal section of an oven constructed according
to my present Invention; it consists of a bed plate a supported upon the legs b; on
it is erected the door frame c to which the closely fitting door dis binged; e is the
body of the oven; it is formed of light sheet iron; f is the chimney; it is provided
with a valve at f¹, and it communicates with the body of the oven by a passage g
which is partitioned off from the body by a thin partition of sheet iron through
which heat is freely conducted. The passage in place of terminating at the back
of the oven, as in ovens heretofore constructed by me, is carried forward along the
bottom of the body to the front and terminates in close proximity to the burner k
by which the oven is heated. The burner his carried upon the door of the oven as
heretofore; is a wooden casing enclosing the body of the oven and the door; it is
filled with a material which serves to keep in the heat, as in ovens constructed
under other Patents previously granted to me; is a top plate closing the case i
and forming a table.
By providing the exit for the products of combustion in the vicinity of the
burner in place of at a distance from it 1 ensure a more equable heating of the
body of the oven than has heretofore been obtained, and by partitioning the exit
passage off from the body in such a way that the air in the passage becomes heated
as soon as the burner is lighted I avoid all difficulty in starting the draft.
Having thus described the nature of my said Invention and the manner of
performing the same, I would have it understood that I claim, the arrangement of
the passage receiving the hot products of combustion in the immediate vicinity of
the burner, and leading them away and up to the chimney, such passage being
partitioned off from the body of the oven by a partition of thin sheet metal through
which heat is freely conducted, substantially as described.
In witness whereof, I, the said John Chapman Peacock, have hereunto set my
hand and seal, this Second day of August, in the year of our Lord One
thousand eight hundred and seventy-six.
JOHN C. PEACOCK. (L.S.)