Improvements in Float Valves.
Year: 1892

page_text: Date of Application, 22nd June, 1892
Complete Specification Left, '21st Mar., 1893-Accepted, 22nd Apr., 1893
PROVISIONAL SPECIFICATION.
Improvements in Float Valves.
I, JOHN BARR, of The Glenfield Company, Limited, of Kilmarnock, in the
County of Ayr, North Britain, Engineer, do hereby declare the nature of this
invention to be as follows, that is to say :-
My said invention has for its object to construct float valves in an improved and
simple manner, so as to be suitable for comparatively large sizes, and so that the
moving parts can be easily detached for examination or repair.
In one modification of valve embodying the improvements the discharge outlet
from the valve box is downwards, the valve closing vertically downwards on an
internal seat. Formed in one piece with or fixed to the valve is a piston or disk,
which, with a cup-leather packing, works in a cylindrical chamber formed in the
upper part of the valve box, this piston or disk causing the valve to be in equi-
librium. The valve is connected by a link to the float lever, the upper chamber in
which the piston or disk works being open through, and large enough to allow of
the valve being withdrawn through it. The valve with the piston or disk may be
in the form of a cylinder or tube, the upper end working through a cup leather,
and the lower end when in its lowest position passing just through a packing ring
of any suitable material secured by means of a ring or otherwise in the discharge
outlet. Or the valve of the disk or tube form may have upon it a leather or other
packing which enters a cylindrical or slightly conical seat when closing the port.
When it is wished to avoid shock on the closing of the main valve there is
connected to the valve box a small float valve or like construction but arranged to
close after the main valve has closed.
Dated this Twenty-first day of June 1892.
TETT
EDMUND HUNT,
Applicant's Agent.
COMPLETE SPECIFICATION.
Improvements in Float Valves.
1, JOHN BARR, of The Glenfield Company, Limited of Kilmarnock, in the
County of Ayr, North Britain, Engineer, 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, that is to say :-
My said invention has for its object to construct float valves in an improved and
simple manner, so as to be suitable for comparatively large sizes and so that the
moving parts can be easily detached for examination or repair.
In a valve embodying the improvements the discharge outlet from the valve-box
is downwards, the valve closing vertically downwards on an internal seat. Formed
in one piece with, or fixed to the valve is a piston or disk which is arranged to cause
the valve to be in equilibrium. The valve box is open at the top so as to allow of
the valve being withdrawn through it. The valve with the piston or disk may be in the
form of a cylinder or tube, suitably packed at both ends. Or the valve of the disk
or tube form may have upon it a leather or other packing, which enters a cylindrical
or slightly conical seat when closing the port.
When it is wished to avoid shock on the closing of the main valve, there is
connected to the valve box a small or auxiliary float valve of like construction, but
arranged to close after the main valve has closed.
And in order that my said invention and the manner of performing the same

page_text: may be properly understood I hereunto append a sheet of explanatory drawings to
be hereinafter referred to and showing examples of float valves as made with my
improvements.
Figures, 1, 2, 3, and, 4, of the drawings, are vertical sections of examples of my
improved valve, and Figure, 5, is a plan of the valve shown in Figure, 1, an
auxiliary float valve being combined therewith.
In these drawings the same reference letters and numerals are used to mark the
same or like parts wherever they are repeated.
As shown in Figures, 1, and, 2, of the drawings, the discharge outlet, A, from
the valve box, B, is downwards, the valve, C, closing vertically downwards on an
internal valve seat, C³, fitted in the valve box in the usual way. Formed in one
piece with, (or it might be fixed to) the valve, C, is a piston or disk, C2 which, with
a cup leather packing, C³, works in a cylindrical chamber, D, formed in the upper
part of the valve box, B, this piston or disk causing the valve to be in equilibrium.
The valve, C, has fixed on it an eye-stud, E, which is jointed to a link, E¹,
connected at its other end to the float lever, E2, the upper chamber, D, in which
the piston or disk, C2, works being open through and large enough to allow of the
valve being withdrawn through it.
In the example of valve shown in Figure, 2, the valve, C, is fitted with a leather
disk, G, held in place by a metal disk, G, which is formed in a piece with the
guide wings, G2, of the valve, and the leather ring is arranged to close upon the
valve seat C¹.
The valve, C, with the piston or disk, C2, may be in the form of a cylinder or
tube, as shown in Figure, 3, the upper end working through a cup-leather
packing, C³, and the lower end when in its lowest position passing just through a
packing ring, C, of any suitable material secured by means of a ring, C³, (or other-
wise) in the discharge outlet, A.
Or the valve, C, of the disk (or it might be the tube) form may be arranged as
shown in Figure, 4, to have upon it a leather or other packing disk, G, which when
closing the port enters a cylindrical (or it might be slightly conical) seat C³, fixed.
in the valve box, B.
When it is wished to avoid shock on the closing of the main valve, C, there is
connected to the valve box, B, a small or auxiliary float valve, H. constructed like
the main valve but arranged to close after the main valve has closed.
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. The construction and arrangement or combination of parts constituting my
improved float valve, substantially as hereinbefore described and as shown in
Figures, 1, 2, and, 5, of the accompanying drawings.
2. The construction and arrangement or combination of parts constituting my
improved float valve, substantially as hereinbefore described and as shown in
Figure, 3, of the accompanying drawings.
3. The construction and arrangement or combination of parts constituting my
improved float valve, substantially as herein before described and as shown in
Figure, 4, of the accompanying drawings.
4. The combination with a main float valve of a small auxiliary float valve
arranged to close after the main valve, substantially as and for the purposes here-
inbefore described.
Dated this Twentieth dow of Manh 1000
EDMUND HUNT,
Applicant's Agent.