Improvements in and relating to Throttle valves.
Year: 1899

page_text: Improvements in and relating to Throttle valves.
I, WALTER FEWINS, of 60, Kirkwood Road, London, S.E., Engineer, do hereby
declare the nature of this invention to be as follows:-
My invention relates to certain improvements in the construction and working
of throttle valves, whereby the valve can be readily inserted into or withdrawn
from out of the valve-body without necessitating the breaking of any pipe
joints after the valve has been fixed in position; its construction also permits
of a full way being given to the valve.
In carrying out my invention I propose to form upon preferably the under-
side of the valve body and at or about its centre a branch or outlet large enough
to permit of the passage of the valve, and immediately above this branch I pro-
vide a gland or stuffing-box through which the valve spindle projects when the
valve is in position.
The mouth or outlet of this branch is closed by means of a plug screwed or
otherwise secured therein, the inner end of such plug being shaped so as to
correspond with the underside of the valve when the plug is screwed home and
the valve is shut off.
The valve and spindle may be formed in one piece or the spindle may be
loose and threaded through a boss, or eye formed upon the valve. The project-
ing end of the spindle may be square to permit of the valve being turned by
means of a key or it may have a T-handle or hand-wheel secured thereon in
any convenient manner.
In a modification of the above, I may arrange for the gland or stuffing-box
to be formed upon or attached to the screw-plug in which case the latter will
be bored centrally to permit the spindle to pass through.
Throttle valves thus made are especially adapted for use in hot-water appa-
ratus but they may with advantage be used for gas or steam supplies.
Dated this Sixth day of April 1899.
For the Applicant,
GEDGE & FEENY,
Chartered Patent Agents,
60, Queen Victoria Street, London, E.C.
Improvements in and relating to Throttle Valves.
I, WALTER FEWINS, of 60, Kirkwood Road, London, S.E., Engineer, do hereby
declare the nature of this invention and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement:-
This invention relates to improvements in the construction and workins of

page_text: throttle valves, whereby the valve proper can be readily inserted into or with-
drawn from the valve-body without necessitating the breaking of any pipe-
joints after the valve has been fixed in position; the particular construction of
the valve also permits of a full way being given thereto.
I have illustrated my invention upon the annexed sheet of drawings, of
which,
Figure 1 is a side elevation of the throttle-valve, with the underside plug
shewn removed therefrom. Figure 2 is a longitudinal sectional elvation of the
valve, the diaphragm or valve-proper being shewn in its open position. Figure 3
is a transverse section of the same on line 2-2 of Figure 2. Figure 4 is a
similar view of a modification.
As will be seen from Figs. 1, 2 and 3, I form upon the underside of the valve
body a and at or about its centre, a branch or outlet large enough to permit
the passage of the valve c and its stem c¹c, when it has been opened for that
purpose. Above this branch I provide a gland or stuffing-box d through which
the upper portion of the valve spindle projects when the valve c is in
position.
The mouth or outlet of this branch bis closed by means of a plug.b¹ which
is screwed or otherwise secured therein, the inner end of such plug being shaped
so as to correspond with the underside of the bore of the valve when the plug
is screwed home. The valve c, the edge of which is bevelled at its sides, and
spindle cc may be formed in one piece or the spindle may be loose and
threaded through a boss or eye (not shewn on the drawings) formed upon the
valve c. The projecting end of the spindle c¹ may be squared to permit of the
valve being turned by means of a key or it may have a T-handle or hand-wheel
secured thereon, in any convenient manner. Such key or handle will in any
case be detachable so as not to hinder the withdrawal of the valve and stem
through the branch b. As will be seen from the drawings, the lower portion
of the spindle c¹¹ is pivoted in the plug b¹.
In a modification of the above arrangement, and as illustrated in cross-
section on Figure 4, I may arrange for the gland or stuffing-box d to be formed
upon or attached to the screw-plug in which case the latter will be bored
centrally to permit the spindle to be passed through. When it is desired to
take out the valve e from such modified form, the plug is unscrewed and then
removed together with the valve and spindle, from the valve body a. In this
modification the handle need not be detachable from the spindle c¹.
Throttle-valves thus constructed are especially adapted for use in hot-water
apparatus but they may with advantage be used for gas or steam supplies, or
the like.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed, I declare that what
I claim is:-
(1). A throttle valve of which the body has a branch closed by a plug, and a
second branch immediately opposite, through which the spindle of the valve
works in a stuffing-box, the whole for the purposes and as described.
(2). A throttle-valve having a branch closed by a plug in which is formed a
gland or stuffing-box, through which the valve spindle carrying the valve works,
the whole for the purposes and as described.