Improvements in Fire Grates for Domestic and other Purposes.
Year: 1892

page_text: Date of Application, 30th Nov., 1892
Complete Specification Left, 30th Aug., 1893-Accepted, 14th Oct., 1893
PROVISIONAL SPECIFICATION.
Improvements in Fire Grates for Domestic and other Purposes.
I, HENRY LEGGOTT, of Market Street, Bradford, in the County of York,
Ironmonger, do hereby declare the nature of this invention to be as follows:-
This invention relates to certain improvements in grates for domestic and other
purposes, and has for its object, the saving of fuel, the consumption of smoke, and
the better regulation of the temperature of the room than hitherto.
I accomplish my object by constructing a grate with fixed or movable lower bars
in front, and with either a closed or open bottom, or with movable rollers as set
forth in two Patents granted to Edwin Marsh, dated respectively the 13th of
November 1888 numbered 16409 and the 28th of July 1890 numbered 11769.
The heat and products of combustion pass away to the flue from the bottom of
the fire at the back, through a chamber formed by the sloping forward of the back
of the fire; on each side of the grate I place a vertical chamber with air inlets from
the outside of the building. Each chamber is provided with openings to the room-
top and bottom: these openings can be open or shut, that is to say, the regulation
of the warm or cold air into the room, as is required is accomplished by the opening
or shutting of the openings. When the bottom opening is closed, the top one is
open, and rice versa.
The top of the fire is also closed by a lid, in order to exclude the air from getting
in at the top, and for the convenience of supplying the fire with coal, and at times
allowing the gases to ascend direct into the vertical, chimney shaft through an
opening formed by the adjustment of a plate.
The modus operandi is as follows. When it is desired to warm the room, the
air from the outside is conveyed across the chamber at the back of the fire to the
top opening in the vertical chamber, on the other side of the grate, and out into
the room.
When it is desired to warm the room quickly or to a high temperature,
the cool air is passed from both sides through or in such a manner as to be warmed
by the chamber at the back of the fire.
When cool air from the outside is desirable, the top openings are closed and
the bottom open, through which the cool air is admitted almost direct into the
room.
By such means, in addition to the saving of fuel and the consumption of smoke,
the temperature of the room can be regulated with far greater ease than hitherto.
Dated this 26th day of November 1892.
JOHN WAUGH,
Agent.
COMPLETE SPECIFICATION.
Improvements in Fire Grates for Domestic and other Purposes.
I, HENRY LEGGOTT, of Market Street, Bradford, in the County of York,
Ironmonger, 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 certain improvements in grates for domestic and other
purposes, and has for its object, the saving of fuel, the consumption of smoke, and
the better regulation of the temperature of the room than hitherto.
I accomplish my object by constructing a grate with fixed or movable louvre bars
in front and either a closed or open bottom, or with movable rollers as set forth
in two Specifications of Patents granted to Edwin Marsh, dated respectively
TU017

page_text: the 13th of November 18-8 numbered 16409
numbered 11769.
and the ZOLN
01 July 1830
In describing my invention in detail, reference is made to the accompanying
drawings, in which
Fig. represents the front elevation of a fire grate or stove arranged in
accordance with my invention.
Fig. 2 is a sectional plan of same through line a. b. with the plate R removed.
Fig. 3 a vertical section through line c. d. and
Fig. 4 a vertical section through line e. f.
The heat and products of combustion pass away to the flue from the bottom of the
fire, through an opening A at the back into chamber B. leading to the chimney flue,
thereby consuming the smoke.
On each side of the louvre bars C, 1 place a ventilating chamber D and D'
respectively coupled with air inlet tubes E and E¹ from the outside of the
building. Each ventilating chamber is provided with openings to the room F
and Fat the top, and G and G₁ at the bottom through the front plate P, each
opening being furnished with a valve as hereinafter described, by the opening or
closing of which the admission of warm or cold air into the room, as is required,
is regulated.
As before mentioned, the openings are each provided with a valve which may
consist of a circular plate mounted on a stud in the centre or otherwise supported,
and provided with holes H. through the valve plate corresponding with the before
mentioned holes through the fire front plate P.
When it is desired to warm the room with heated air, the air from the outside
conveyed by the tubes E and E¹ to the chambers D. and D' is allowed to escape
through the openings H at the top of the said chambers into the room, the air in its
ascent through the vertical chambers D and D¹ being heated by radiation from the
side or division plates J. J. of the fire.
When cold air from the outside is desirable, the top openings H are closed, and
the bottom opened, through which the air admitted into the room before being
heated by the side plates J. J.
The top of the fire is closed by a lid K. in order to exclude the air from
passing direct to the top of the fire; and for the convenience of supplying the fire
with fuel, and at times allowing the gases to ascend direct into the chamber B,
leading to the chimney flue, an opening L is formed through the back, at the upper
portion of the fire space M, which is open on raising the lid to the position shown
by dotted lines.
The lid K may be hinged to the back plate N, and is prepared with a projecting
piece or flange K' which when the plate K is raised, uncovers the opening L, thus
allowing any products of combustion ascending from the fire when supplying the
same with fuel, to escape into the chimney flue through the said opening, instead of
entering the room.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is :-
1. A fire space M fitted with fixed or movable louvre bars C at the front,
a back plate N with opening L at the underside in combination with a lid K
with flange K¹ thereon arranged substantially in the manner as shown and
described.
2. A fire space M fitted with fire bars C and division plates J combined with
ventilating chambers D and D' and tubes E and E' all arranged substantially in the
manner and for the purpose as herein before set forth.
Dated this 29th day of August 1893.
JOHN WAUGH,
A gent.