Year: 1887

page_text: Date of Application, 28th Apr., 1887
Complete Left, 28th Jan., 1888
Complete Accepted, 2nd Mar., 1888
I, MONTAGUE BROWN MOUNTAIN, of Rose Hill House, Coalbrookdale, Shropshire,
Engineer, do hereby declare the nature of this invention to be as follows:-
This invention of improvements in reversing valves for regenerative and other
gas furnaces has for its object to so construct the valve-box or valve-casing that it
will last longer in wear than heretofore.
Such valve-boxes as now. ordinarily made consist of a vertical cylindrical casing
containing the valve and having at each side a Q-shaped branch corresponding with
When in use it is found that the
the side-boxes connecting to the gas and air flues.
lower part of the valve-box is burnt away much more quickly than the upper
part and the valve-boxes have to be replaced by new ones in a comparatively
short time.
Now according to my invention instead of making the inlet and outlet branches
Q-shaped, that is to say, rounded at the top and flat at the hottom corresponding with
the side-boxes I make them oval, the lower part of the branch corresponding with the
upper part and around each of the oval openings I provide a rectangular flange of
the same width and height as the O-shaped flanges of the side-boxes so that when
the lower part of the valve-box has burnt thin it can be turned upside down, as the
improved form of the branches will allow of their jointing to the side-boxes in either
position.
It will be seen that by so constructing the valve boxes that they can be turned
upside down as above described they will last twice as long as such valve-boxes of
the ordinary form.
The branches instead of being O-shaped as above described may be rectangular,
octagonal or of any other regular figure which will joint to the side-boxes and
allow of the valve box being turned upside down when required.
T
1227
CHARLES BOSWORTH KETLEY,
Agent for the Applicant.

page_text: Improvements in Reversing Valves for Regenerative and other
Gas Furnaces.
L, MONTAGUE BROWN MOUNTAIN, of Rose Hill House, Coalbrookdale, Shropshire,
Engineer, do hereby declare the nature of this invention and in what manner the
same is to be perforined, to be particularly described and ascertained in and by the
following statement:-
This invention of improvements in reversing valves for regenerative and other gas
furnaces has for its object. to so construct the valve-box or valve casing that it will
last longer in wear than heretofore.
Such valve boxes as now ordinarily made consist of a vertical cylindrical casing
containing the valve and having at each side a-shaped branch corresponding with
the side-boxes connecting to the gas and air flues. When in use it is found that the
lower part of the valve-hox is burnt away much more quickly than the upper part
and the valve-boxes have to be replaced by new ones in a comparatively short time.
Now according to my invention instead of making the inlet and outlet branches
O-shaped, that is to say, rounded at the top and flat at the bottom corresponding with
the side-boxes, I make them oval, the lower part of the branch corresponding with the
upper part and around each of the oval openings I provide a rectangular flange of
he same width and height as the Q-shaped flanges of the side-boxes so that when
the lower part of the valve-box has burnt thin it can be turned upside down,
as the improved form of the branches will allow of their jointing to the side-boxes in
either position.
It will be seen that by so constructing the valve-boxes that they can be turned
upside down as above described they will last twice as long as such valve-boxes of the
ordinary form,
The branches instead of being oval shaped as above described may be rectangular,
octagonal or of any other regular figure which will joint to the side-boxes and allow
of the valve-box being turned upside down when required.
In order that the invention may be well understood it is further described more
particularly and with reference to the accompanying drawing on which Fig. 1 is a
side elevation, one half being in section, of a reversing valve constructed according to
this invention and having a side-box bolted on to each branch; Fig. 2 is a plan of
the same, one half being in section; Fig. 3 is an end elevation of the same reversing
valve; Fig. 4 is an end elevation of one of the side-boxes and Figs. 5 and 6
illustrate a modification of my invention as hereinafter more particularly described.
The same letters of reference indicate the same parts in all the Figures.
Referring firstly more particularly to Figs. 1 to 4, both inclusive. A is the valve-
box of the reversing valve containing the ordinary flap valve 6 mounted on the cross
spindle c in the ordinary manner and a' a' are the inlet and outlet branches which
are usually made O-shaped and to which the two side-boxes D'D' are jointed. These
branches a a¹ are, according to my invention, made of a regular form the lower half
below the horizontal centre line corresponding with the upper half so that the side-
boxes D D will joint on to them either in their proper position as shown by the full
lines in Fig. 1 or if inverted as shewn by the dotted lines in the same Figure. For
the side-boxes D 1) which are of the usual Q-shape these branches would therefore
have to be elliptical as shewn.. Each of the said branches has a rectangular flange a
corresponding in width with the width of the Q-shaped flanges d' on the side-boxes

page_text: and of about the same height. By making the branches a¹ a¹ of a regular shape and
providing a rectangular flange to which the side-boxes can be jointed either in their
proper position or when inverted as above described, the valve-box A can, when its
lower part is burnt thin, be unbolted from the side-boxes and turned upside down and
again jointed thereto so that the upper or thicker part of the valve-box will then be
at the bottom and thus enable the valve-box to last much longer than the ordinary
valve-boxes which cannot be turned upside down and used again when worn.
The holes e for the jointing bolts in the flanges of the side-boxes and the valve-box
are preferably arranged at equal distances on each side of the horizontal centre line as
shewn so that they will match and allow of the side-boxes being bolted to the valve-box
in either of the positions above described.
It will be evident that the shape of the branches can be varied without departing
from the nature of my invention as instead of their being made elliptical as above
described and illustrated by Figs. 1, 2, 3 and 4 they may be of any other figure in
which the half above its horizontal centre line corresponds with the half below the
horizontal centre line; for instance as shewn by Figs. 5 and 6 where the branches
are made octagonal and the upper part of the side-box D³ is made of a corresponding
shape.
The side-boxes shown on the accompanying drawing are of the usual shape and
form no part of this invention.
As the heated gas on entering the valve-box through one of the side-boxes
impinges against the upper half of the flap valve more than against the lower half,
the said upper half becomes burnt and worn thin much sooner than the lower half
and it is therefore generally found advisable to reverse the position of the flap valve
on its spindle when the valve-box is turned upside down. This can be done by
removing the flap valve off its spindle and turning it round end for end so as to
bring the burnt upper half to the lower position; and in order that the flap valvo
will properly fit the valve-box and allow of being reversed in this way the flap valvo
and its spindle are preferably arranged as shewn by Fig. 7 the spindle c being
turned at each end to fit in the flap valve which is bored to receive it the central
part of the hole in the flap valve being square and fitting on a corresponding
square part el on the spindle. It is to be understood that this method of fitting the
valve on the spindle forms no part of my invention as I am aware that other flap
valves are fitted on their spindles in the same way.
Having now particularly described and ascertained the nature of my said
Invention, and in what manner the same is to be performed, 1 declare that what
I claim is:
1st. The improvements in reversing valves for regenerative and other
gas furnaces
which consist in making the upper and lower halves of the valve-box branches of
corresponding shape so that the said branches will joint to the side boxes and allow
of the valve-box being turned upside down and again jointed thereto in that position,
substantially as described.
2nd. The combination with the Q-shaped side-boxes D1 D2 of a reversing valve
for a regenerative or other gas furnace, of the valve-box A provided with elliptical
branches a¹al and rectangular flanges a² a² which will joint to the side boxes and
allow of the valve-box being turned upside down and again jointed thereto in that
position, substantially as hereinbefore described and illustrated by the accompanying
drawing.
P
1000