Improvements in Water Heaters and Automatic Valve Attachments therefor.
Year: 1899

page_text: Date of Application, 31st Oct., 1899
Complete Specification Left, 14th July, 1900-Accepted, 22nd Sept., 1900
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PROVISIONAL SPECIFICATION.
Improvements in Water Heaters and Automatic Valve Attachments
therefor.
I, JOSEPH WINTERFLOOD, of 173, Kings Road, Camden Town, London, N.W.,
do hereby declare the nature of this invention to be as follows:-
This invention relates to certain improvements in water heaters and auto-
matic valve attachments therefor and its object is to contruct an improved water
heating apparatus wherein the gas supply is regulated by the temperature of
the water and whereby a continual stream of water is maintained at a certain
degree of temperature.
The improvements constituting this invention consist of a water heater as
hereinafter mentioned, wherein is arranged a thermostat; the free end of the rod
of the thermostat being connected to the arm of a lever which is so arranged
with a series of arms and levers as to operate a gas valve through which the gas
passes before entering the heating device or burner.
The water heater consists of a double cylindrical casing the inner cylinder
of which is corrugated within the said double cylindrical casing there is a tubular
boiler under which is a disc shaped vessel; arranged with a inlet in the outer
casing and an outlet in the tubular boiler and with tubes connecting the several
parts so that the water flowing into the double cylindrical casing passes through
a cross tube into the disc shaped vessel, then rising through a tubular stay into
the tubular boiler to the outlet of the boiler. The said outlet of the boiler leads
to the inlet of the thermostat the temperature of the water operating the
thermostat and flowing out of the outlet of the thermostat.
The heating device consists of an atmospheric gas burner, situated in the lower
part of the apparatus the products of combustion from which rise through the
heater, the superfluous products of combustion passing through a socket in the
top of the apparatus to the vent pipe.
The thermostat may be arranged to operate in any other part of the water course
of the heater but it is preferable to be arranged at the above mentioned position
so that it registers or operates by the temperature of the water obtained from the
heater.

page_text: Improvements in Water Heaters and Automatic Valve Attachments
therefor.
I, JOSEPH WINTERFLOOD, Gas Engineer, of 173, Kings Road, Camden Town,
London, N.W., 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:-
This invention relates to certain improvements in water heaters and auto-
matic valve attachments therefor and its object is to provide an improved water
heating apparatus wherein the gas supply is regulated by the temperature of
the water and whereby a continual stream of water is maintained at a given
degree of temperature.
The improvements constituting this invention consist of a water heater of the
tubular boiler type as hereinafter described wherein is arranged a thermostat,
which operates a gas valve controlling the gas way to the heating device.
In the accompanying drawings Figure 1 is a sectional elevation of my improved
water heater and thermostatic regulating device, Figure 2 is an outside elevation
of my improved water heater shewing the construction of the arms and levers
of the thermostatic regulating device.
The water heater consists of a double cylindrical casing 1 the inner cylinder
of which is corrugated. Within the said casing 1 there is a tubular boiler 2,
the tubes of which form the air way and run perpendicularly through the boiler
under which is a disc shaped vessel 3 fixed in connection with the tubular boiler
by a tubular stay 4.
A cross tube 5 is fixed in the upper end of the double casing 1 and a tube 6
leads from the cross tube 5 through the centre of the tubular boiler to the disc
shaped vessel. A water inlet 7 is fixed in the side of the outer casing and a water
outlet 8 is arranged in the top of the boiler.
The heating device consists of an atmospheric or other suitable gas burner 19
situated in the lower part of the apparatus the products of combustion from which
rise to the disc shaped vessel and on striking same are deflected round the tubular
boiler and through the tubes of the boiler, the superfluous products of combustion
passing through a socket in the top of the apparatus to the vent pipe.
The supply of gas to the burner is regulated or controlled by a gas valve 20,
the stem of which is connected by a rod or spindle 21 to a lever 9.
This lever 9 is pivoted to a bearing 18 which is securely fixed to the casing
of the heater, the said lever 9 is also hinged to an arm 10 which is hinged to a
second lever 11, the second lever 11 being pivoted to a bearing 12 which may
either be securely fixed to the outer casing of the heater or preferably as shewn
in diagram to the outer tube or stationary part of the thermostat.
In the diagram the thermostat is arranged in the lower part of the apparatus,
the outer tube 13 being securely fixed through the diameter of the double
cylindrical casing under the disc shaped vessel; the water first passing through
the thermostat and then through the heater, but this is not essential; the thermo-
stat may be arranged in any suitable part of the water-course of the heater.
The thermostat consists of an inner and outer tube 16 and 13 respectively.
The outer tube 13 contains a water inlet 14 and outlet 15, the inlet may be
arranged in connection with the main and the outlet in connection with the
inlet 7 of the water heater by a pipe 33. The inner tube 16 is preferably of a
material of high coefficient of expansion, being fixed at one end to the end of
the outer tube. Within the inner tube 16 is a rod 17 fixed at its inner end to

page_text: the inner end of the inner tube, the outer end of the rod 17 being pivoted to or
made to impinge against the lever 11.
In the operation of the above described thermostatic regulating device, in
the first case when the operating rod 17 is pivoted to the lever 11, the expansion
of the inner tube 16, caused by the increase of the temperature of the water,
actuates the lever 11 and consequently the lever 9 to close the gas valve 20 by
the pull of the operating rod 17, in the second case when the operating rod 17
is made to impinge against the lever 11, the expansion of the inner tube 16
causes the rod 17 to disengage the lever 11 which actuates with the lever 9 to
close the gas valve 20 by the action of gravity or with the assistance of a spring.
The opening of the gas valve 20 takes place by the contraction of the inner
tube 16 which forces the operating rod 17 to impinge against the lever 11 actuating
same and lever 9 to pull up the rod or spindle 21.
The water-course through the apparatus shewn in the diagram may be seen to
be as follows:-
When the operator opens the water supply cock the water commences to flow
passing through the thermostat and the pipe 33 into the double cylindrical
casing 1 and through the cross tube 5 and the tube 6 into the disc shaped vessel 3
and then through the tubular stav 4 into the tubular boiler to the outlet 8.
The temperature of the water is relative to the supply of gas, but the supply
of gas is regulated by the temperature of the water as hereinbefore described by
the action of the thermostatic device it is therefore apparent that a regular stream
of water is maintained at a given degree of temperature.
A small adiusting screw coupling 22 is arranged in the spindle 21 of the gas
valve consisting of a sleeve fitted over a collar on the lower part of the spindle
and arranged to screw on to the lower end of the upper part of the spindle con-
nected to the lever 9, the purpose of this coupling is to regulate the gas valve
according to the degree of temperature at which the water is desired to be main-
tained, for instance if the water is desired to be maintained at a higher degree
of temperature the adiusting coupling must be screwed up somewhat thereby
shortening the length of the spindle 21. It now requires a greater expansion of
the inner tube 16 of the thermostat and therefore a higher degree of temperature.
Having now particularly described and ascertained the nature of this invention
and the manner in which the same is to be performed I declare that what
I claim is:-
1. The improvements in automatic valve attachments consisting of an arrange-
ment of arms and levers with a thermostat to operate a gas valve substantially
as and for the purpose herein set forth described and illustrated.
2. The improvements in water heaters consisting of a double cylindrical casing
in combination with a tubular boiler and a disc shaped vessel with tubes con-
necting the parts substantially as and for the purpose herein set forth described
and illustrated.
3. The improvements in water heaters and automatic valve attachments there-
for consisting of a water heater made up of a double cylindrical casing, a tubular
boiler and a disc shaped vessel with tubes connecting the parts in combination
with a thermostat arranged with arms and levers to operate a gas valve regulating
or controlling the gas supply to the heating device substantially as and for the
purpose herein set forth described and illustrated.