IMPROVE- MENTS IN REGULATING THE FLOW AND PRESSURE OF GAS AND OTHER FLUIDS
Year: 1853

page_text: LETTERS PATENT to Moses Poole, of Avenue Road, Regent's
Park, in the County of Middlesex, for the Invention of "IMPROVE-
MENTS IN REGULATING THE FLOW AND PRESSURE OF GAS AND OTHER
FLUIDS "A communication
Sealed the 6th October 1853, and dated the 8th August 1853.
PROVISIONAL SPECIFICATION left- by the said Moses Poole at
the Office of the Commissioners of Patents, with his Petition, on
the 8th August 1858.
1, MOSES POOLE, of Avenue Road, Regent's Park, in the County
..of Middlesex, do hereby declare that the nature of the Invention
communicated to me from abroad for "IMPROVEMENTS IN REGULATING
THE FLOW AND PRESSURE OF GAS AND OTHER FLUIDS" to be as follows:-
It is often desirable to deliver æeriform fluids at a certain uniform
pressure, and various means have before been resorted to for effecting this
object. And the present Invention consists of combining the use of two
or more governors or regulators, which acting independently and in
succession more completely accomplish the desired object than has

page_text: heretofore been done. The description of governors or regulators
which are preferred for this purpose are those where inverted vessels
are used, working in quicksilver or other fluid, and connected to the
induction valves; supposing the apparatus to be arranged for regulating
the supply of gas or other æeriform fluid, the main or supply pipe
where the regulator is to take place is arranged to communicate in
succession with two or more chambers, each having a governor or
regulator, and so that no gas can pass from the main or supply pipe
to the furthermost chamber without having passed thro' and been
regulated more or less perfectly by the previous regulators or governors.
By which means the gas, supposing it to come up to the first governor
or regulator a pressure exceeding that at which it is desired to deliver
it at, will act on the governor, and tends to close the valve, and thereby
restrict the passage of the gas into the first chamber; the gas then
passes from the first chamber or governor into the second, and if it.be
still at an excessive pressure it will be again retarded in its passage,
and so on, according to the number of governors or regulators com-
bined and caused to act in succession.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Moses Poole in the Great Seal Patent Office, 2
on the 27th January 1854.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I,
MOSES POOLE, of Avenue Road, Regent's Park, in the County of
Middlesex, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her,2
Letters Patent, bearing date the Eighth day of August, in the year;
of our Lord One thousand eight hundred and fifty-three, in the seven-.
teenth year of Her reign, did, for Herself, Her heirs and successors,
give and grant unto me, the said Moses Poole, Her special licence.
that I, the said Moses Poole, my executors, administrators, and assigns,
or such; others as I, the said Moses 'Poole, my executors, administrators..
and assigns, should at any time agree with, and no others, from time:

page_text: "
to time and at all times thereafter during the term therein expressed,
should and lawfully might make, use, exercise, and vend, within
the United Kingdom of Great Britain and Ireland, the Channel
Islands, and Isle of Man, an Invention for "IMPROVEMENTS IN REGU-
LATING. THE FLOW AND PRESSURE OF GAS AND OTHER FLUIDS," communicated
to me by a foreigner residing abroad, upon the condition (amongst
others) that I, the said Moses Poole, by an instrument in writing
under my hand and seal, should particularly describe and ascertain
the nature of the said Invention, and in what manner the same
was to be performed, and cause the same to be filed in the Great
Seal Patent Office within six calendar months next and immediately
after the date of the said Letters Patent.
NOW KNOW YE, that I, the said Moses Poole, do hereby de-
clare the nature of the said Invention, and in what manner the same
is to be performed, to be particularly described and ascertained in and
by the following statenient thereof (that is to say):
"
It is often desirable to deliver æeriform fluids at a certain uniform
pressure, and various means have before been resorted to for effecting this
object. And the present Invention consists of combining the use of two
or more governors or regulators, which acting independently and in suc-
cession more completely accomplish the desired object than has hereto-
fore been done. The description of governors or regulators which are
preferred for this purpose are those where inverted vessels are used,
working in quicksilver or other fluid, and connected to the induction
valves. Supposing the apparatus to be arranged for regulating the
supply of gas (or other aeriform fluid), the main or supply pipe where
the regulation is to take place is arranged to communicate in succes-
sion with two or more chambers, each having a governor or regulator
and so that no gas can pass from the main or supply pipe to the 'fur-
thermost chamber without having passed through and been regulated
more or less perfectly by the previous regulators or governors.. "By
which means the gas, supposing it to come up to the first governor or
regulator at a pressure exceeding that at which it is desired to deliver
it at,' will act on the governor, and tend to close the valve, and
hereby restrict the passage of the gas into the first chamber; the gras
"

page_text: then passes from the first chamber or governor into the second, and if
it be still at an excessive pressure it will be again retarded in its
passage, and so on, according to the number of governors or regulators
combined and caused to act in succession.
Having thus stated the nature of the said Invention, I will proceed
to describe the manner of performing the same.
:
DESCRIPTION OF THE DRAWING.
The Drawing shows a vertical section of an apparatus combined
according to the Invention, having two regulators or governors acting
in succession, but other apparatus may be made with more than two
to act in succession in a similar manner. The form of regulator or
governor preferred is that where an inverted vessel is employed, fixed
to the valve the action of which is to be regulated, but the form of the
parts may be varied, so long as two or more regulators or governors
are combined to act in succession, as herein shewn and described; no
claim, however, is made to the governors or regulators separately
when two or more are not combined to act on and regulate the same
supply.
A, is the inlet for the gas or ceriform fluid; B, is a chamber, the
opening C, C, out of which is capable of being more or less closed by
the valve O, which is on the stem F, to which the inverted vessel D), is
fixed, the edges of which dip into mercury or other suitable fluid at
E, E, there being weights G, G, on the vessel D, according to the
degree of pressure it is desired to regulate or bring the supply of gas
or other wriform fluid to when it passes away at the outlet K. The
gas or other ceriform fluid coming into the chamber B, (above the
desired pressure.) will to some extent he regulated by its acting on the
first regulator by raising the vessel D, which will also raise the valve O,
in the compartment B, towards the opening C, C, till the quantity of
the gas allowed to pass into the chamber H, of the apparatus will be
brought to nearly the desired pressure. The gas or æriform fluid in
the chamber H, passes through the opening J, J, into the compart-
ment K, and acts on the inverted vessel L, which is affixed to the
stem M.) by which the valve O, in the chamber H, will be more or less

page_text: closed according as the pressure of the gas or æriform fluid in the
chamber H, is more or less in excess of the pressure that it is desired
the gas or riform fluid should go off' at the outlet K. I would state,
that usually the same amount of pressure or weight N, N, is applied to
the inverted vessel I, as there is by the weights G, G, to the vessel D,
such being believed to be the best mode of working when using such
apparatus. The vessel I, like the vessel D, dips into mercury or other
liquid at its lower edges. By reason of using a succession of regu-
lators or governors any want of correctness of the regulation of the
first will be compensated for by the succeeding one or ones.
Having thus described the nature of the Invention, and the manner
of performing the same, I would have it understood that what I claim
is, the combining two or more governors or regulators, so that they may
come into action in succession.
In witness whereof, I, the said Moses Poole, have hereunto
set my hand and seal, this Twenty-third day of January, in
the year of our Lord One thousand eight hundred and fifty-
four.
0 Witness,
B. GOBEY,
12, Cursitor Street,
Chancery Lanc.
MOSES POOLE. (L.S.)