An Automatic Water Gauge Cock and Valve Closer.
Year: 1891

page_text: Date of Application, 14th Mar., 1891
Complete Specification Left, 22nd Sept., 1-91-Arcepted, 24th Oct., 1991
PROVISIONAL SPECIFICATION.
An Automatic Water Gauge Cock and Valve Closer.
I, GORGL SILWAL. Marger N. 2 M Thray Street Heaton
Newcastle on Tyne do hereby declare the nature of this invention to be as
follows:-
:-
A cylinder (A) piston (B) & piston rod; at one end of cylinder a valve mitre (C)
is formed the piston being initred to fit same, so that when piston is at that end of
cylinder, it fits like a valve on its seat.
A steam pipe (D) is led from the gauge glass side of gauge cocks or valves, by
suitable means into cylinder at mitred end which I will call (E).
Another steam pipe (F) is led from boiler steam space, or any suitable steam
space on boiler side of gauge cocks or valves, into opposite end of cylinder which
end I will call (G).
The position of these pipes I claim to reverse if required.
The cylinder (A) I place in any suitable position, so that I can attach piston rod
eye, either directly, or indirectly, to gauge cock handles, or gauge valves spindles.
With gauge cocks open, & piston being at (G) end of cylinder; piston rod eye is
attached, either directly, or indirectly, to gauge cock handles, or valve spindles.
If, gauge glass remains unbroken, piston remains at rest, & cocks, or valves
remain open, but when gauge glass breaks, pressure falls at (E) end of cylinder;
but remaining constant at (G), the piston is forced to (E) end of cylinder, against
mitre (C); conveying a reciprocal movement, to gauge cock handles, or valve
spindles, & so closing cocks, or valves.
Dated this 13th day of March 1891.
GEORGE STEWART.
COMPLETE SPECIFICATION.
An Automatic Water Gauge Cock and Valve Closer.
I, GEORGE STEWART Marine Engineer, formerly of 2 Mowbray Street, Heaton,
but now of 24 Chillingham Road Heaton, Newcastle on Tyne 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 :-
The purpose of this invention is to automatically close both water & steain
cocks, when water gauge glass breaks & is effected in the following manner.
An ordinary steam cylinder (A) with piston (B) & piston rod complete.
A steam pipe (D) is led from gauge glass side (r) of gauge cocks or valves into
cylinder (A) at (E) end of cylinder as shown in sketch.
Another steam pipe (F) is led from boiler steam space, or any suitable steam
space on boiler side of water gauge cocks or valves as shown at (1) into opposite
end of cylinder (G) as shown in sketch.
The cylinder (A) shown in sketch I place in any suitable position, either attached
directed to water gauge cocks, or on boiler front, or in any other position, so that I
can attach piston rod eye (H) either directly or indirectly to gauge cock handles (1)
or valve spindles.
In sketch I have fa-tened cylinder (inverted) by suitable means to water gauge
column & immediately above gauge cocks, wheels being fitted to gauge cocks, or
in the case of ordinary cock handles, I fasten a quadrant (J) to same, as shown in
sketch.

page_text: With gauge cocks open, & piston at (G) end of cylinder, piston rod eye is
attached by small wire rope, (K) to cock handles, quadrants, or wheels, as the case
may be.
While gauge glass remains unbroken, piston remains at rest, & cocks or valves
remain open, but when gauge glass breaks pressure falls at (E) end of cylinder,
but remaining constant at (C), the piston is forced to (E) end of cylinder against
cylinder cover, conveying a reciprocal movement to gauge cock handles, quadrants,
or wheels moving same a quarter of a turn, as shown at (W.), & so closing cocks,
or in the case of valves moving valves sufficient to close same.
Having now particularly described & ascertained the nature of my said inv en-
tion, & in what manner the same is to be performed I declare that what I
claim is
1st. The using of an ordinary cylinder with piston to close water gauge cocks or
valves.
2nd. The connecting of one end of the cylinder by steam communication to water
gauge glass side of gauge cocks or valves.
3rd. The connecting of the other end of the cylinder by steam communication to
boiler side of water gauge cocks or valves.
Dated this 20th Sentember 1891
GEORGE STEWART,
Applicant.