Improvements in Water Heating and Circulating Apparatus for Domestic Fire Places.
Year: 1894

page_text: Date of Application, 24th Dec., 1894
Complete Specification Left, 2nd July, 1895-Accepted, 31st Aug., 1895
PROVISIONAL SPECIFICATION.
'Improvements in Water Heating and Circulating Apparatus for
Domestic Fire Places.
1 SAMUEL NAYLOR of 12 Dewsbury Terrace Dewsbury Road Leeds in the
County of York Mechanic, do hereby declare the nature of this invention to be as
follows
-
My invention refers to water heating and circulating apparatus in connection
with domestic fire places, and has for its object to facilitate the heating and
cuculation of the water through such heater, and to obviate the risk of explosion.
In its most general form my improved apparatus or kitchen boiler consists of
a rectangular cast iron block placed at the back of the fire place, having a water
space or passage cored out in the interior of the block. The inlet and outlet are
placed at the top side preferably close together at one end From the inlet, the
passage is cored out vertically straight down to the lowest part of the block,
whence the passage is continued upwards to the outlet in a series of zig-zag
inclines, or sinuous path, extending to and fro across the block.
Instead of coring out the passage in the block, the passage may be formed by
bending a wrought iron or steel pipe in shape corresponding to the cored passage
above referred to, that is with a vertical leg descending to the lowest point and a
zig zag inclined or sinuous portion leading upwards. Such pipe may be placed in
the back of the fire place and connected to the descending and ascending pipes, or
the pipe may be cast in a rectangular block of cast iron.
When the boiler is made by coring out a passage in a cast iron block, the
upward passage for the water may consist of several vertical passages connecting
an approximately horizontal o preferably slightly inclined lower passage, (leading
from the bottom of the vertical leg), with a similarly inclined upper passage, which
latter terminates in a vertical bend for connection to the upper pipe. In all cases
the front of the cast non block is preferably moulded in a ribbed manner, the
ribs rumung preferably horizontally or diagonally.
Dated this 22nd day of December 1894.
J. CLARK JEFFERSON,
2 East Parade, Leeds, Agent for Applicant.
Improvements in Water Heating and Oiroulating Apparatus for
Domestic Fire Places.
I SAMUEL NAYLOR of 12 Dewsbury Terince Dewsbury Road Leeds in the
County of York, Mechanic do hereby declare the nature of this invention and in
what mauner the same is to be performed, to be particularly described and ascertained
in and by the following statement :-
My invention refers to water heating and circulating apparatus in connection
with domestic fire places, and has for its object to facilitate the heating aud
circulation of the water through such heater and to obviate the risk of explosion.
In its most general form my improved apparatus or kitchen boiler consists of a

page_text: rectangular or approxunately rectangular cast iron block, placed at the back of
the fire place, having a water space o passage cored out in the interior of the
block. The inlet and outlet are placed at the top side, or near the top on the back
side, and preferably close together pear one end of the block. From the inlet the
passage is coied out vertically straight down to the lower part of the block,
whence the passage is continued upwards to the outlet in one or more zig-zag
Inclines or a sinuous path, extending to and fio in the direction of the length of the
block.
Instead of coring out the passage in the block, the passage may be formed by
bending a wrought iron, steel or copper pipe, to a shape corresponding to the cored
passage just above described; that is with a vertical leg descending to the lowest
point, and a zig zag incline or sinuous portion leading upwards. Such pipe is cast
in a cast iron block, which is placed at the back of the fire place, and the
projecting ends of the pipe are connected, that from the vertical portion to the
descending or inlet pipe, and that from the sinuous portion to the ascending pipe.
When the boiler is made by coring out a passage in a cast iron block, the
upward passage for the water may consist of several vertical passages, connecting
an approximately horizontal lower passage leading from the bottom of the vertical
inlet passage with a similarly inclined upper passage, which latter terminates in a
recruangular bend for connection to the ascending or cistern pipe.
In all cases the front of the cast iron block is preferably moulded in a ribbed
manner to facilitate absorption of heat from the file.
And in order that my invention and the manner in which the same is to be
performed may be more readily and clearly understood, reference is given to the
accompanying drawings in which .-
Fig. is a longitudinal vertical section, and Fig 2 is a closs vertical section on
line XX of Fig. 1, of a kitchen boiler constructed according to my invention. This
is formed of a cast iron block a, in many cases conveniently about 12 inches long,
7 inches deep, and 14 inches thick, having a water passago & cored out in the same.
cis the joint for the inlet pipe.
Fig. 3 is a perspective view of a metal pipe e bent as shewn, which is laid in, a
mould, and has an on block cast round it, as shewn in Figs 4, 5 and 6, which are
respectively longitudmal vertical section, cross vertical section and honzontal
section, the latter on lines Y Y and Z Z respectively of Fig. 4. This I consider the
best means of carrying out my invention. In these latter figures, the pipe a is
shewn with one bend only, as I find this in most cases sufficient, it may however
be provided with more bends as shewn in Figure 3. In the figures e is the
wrought on, steel or preferably copper pipe, which is cast in the cast iron block a,
preferably in such a position, that a portion of the circumference of the pipe e at
the back of the block a left uncovered by the metal of the block as shewn in
Figs. 5 and 6 the object being to provide a relatively weak portion, which would
gradually give way under excessive pressure, and thus avoid any dangerous sudden
explosion. Where the pipe is of copper, I arrange to run a stream of cold water
through the pipe at the time of casting the block round it, to prevent the heat of
the molten metal melting the pipe.
Figs. 7, 8 and 9, are respectively longitudinal vertical section, cross vertical section
and horizontal section of a kitchen boller, in which the cored out passage for the
upward stream of water comprises several vertical passages as above referred to.
It will be understood that the vertical or short portion of the pipe is the
inlet or intended to be connected to the cold let pipe. If however the fire 18
lighted against this end of the block only, the current may be undesuably
reversed.
Having now particularly described and ascertained the nature of my said inven-
tion and in what mannei the saine is to be performed I declare that what I
claim 18:-
- 1. A kitchen boiler or other water heater for domestic purposes comprising a block

page_text: of cast iron or steel having a water passage cored therein substantially as herein set
forth and illustrated in Figs. 1, 2, and 7, 8 and 9.
2. A kitchen boiler or other domestic water heater comprising a block of cast
iron or steel having a water pipe bent and cast there
forth and illustrated in Figs. 4, 5 and 6.
substantially as heroin sot
3. My improved kitchen boiler substantially as herein set forth.
J. CLARK JEFFERSON,
2 East Parade, Leeds, Agent for Applicant.