AN INFROVED LIQUID METER
Year: 1875

page_text: LETTERS PATENT to William Robert Lake, of the Firm of Haseltine,
Lake, & Co:, Patent Agents, Southampton Buildings, London,
for the Invention of "AN INFROVED LIQUID METER.”—A commu-
nication from abroad by Edward Marsland, of Sing Sing, New
York, United States of America.
PROVISIONAL SPECIFICATION left by the said William Robert Lake
at the Office of the Commissioners of Patents, with his Petition, on
the 12th July 1875.
I, WILLIAM ROBERT LAKE, of the Firm of Haseltine, Lake, & Co.,
Patent Agents, Southampton Buildings, London, do hereby declare the
nature of the said Invention for “AN IMPROVED LIQUID METER,” a com-
munication, to be as follows :—
This Invention relates to a liquid meter in which the exact amount of
water or other liquid passing through it is indicated by the revolutions
of a floating disc or wheel, against which the fluid is driven in spirally
inclined jets, and my improvements have for their object the perfect

page_text: measurement of liquids irrespective of the amount of pressure or head
thereon and the economical construction of the meter.
This Invention consists in the novel arrangement of a floating disc
having recessed buckets and resting on a concave seat, through which
the liquid is introduced by spirally inclined orifices, thereby causing the 5
float to revolve, and so arranged that the current produced by the out-
going liquid does not affect the regular rotations of the disc.
I also perfect the connection between the revolving disc and the
registering mechanism by means of a peculiar bayonet joint which
allows the floating or revolving disc to move freely, and at the same 1
time register correctly its revolutions.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said William Robert Lake in the Great Seal Patent
Office on the 11th January 1876.
:
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, WILLIAM
ROBERT LAKE, of the Firm of Haseltine, Lake, & Co., Patent Agents,
Southampton Buildings, London, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Twelfth day of July, in the year of
our Lord One thousand eight hundred and seventy-five, in the thirty-
ninth year of Her reign, did, for Herself, Her heirs and successors,
give and grant unto me, the said William Robert Lake, Her special
licence that I, the said William Robert Lake, my executors, adminis-
trators, and assigns, or such others as I, the said William Robert Lake,
my executors, administrators, and assigns, should at any time agree with,
and no others, from time to time and at all times thereafter during tho
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 "AN IMPROVED
LIQUID METER," a communication to me from abroad by Edward
Marsland, of Sing Sing, New York, United States of America, upon
the condition (amongst others) that I, the said William Robert Lake, my
exccutors or administrators, by an instrument in writing under my, or
their, or one of their hands and seals, should particularly describe and.

page_text: 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 William Robert Lake, do hereby
declare 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 statement, reference being had to the accompanying
Drawing forming a part of this Specification:-
This Invention relates to a liquid meter in which the exact amount of
water or other liquid passing through it is indicated by the revolutions
of a floating disc or wheel against which the fluid is driven in spirally
inclined jets, and the said Invention has for its object the perfect
measurement of liquids irrespective of the amount of pressure or head
thereon, and I have also devised a shape and construction of the parts
of the meter which are novel and economical.
The principal part of my Invention consists in the arrangement of a
floating disc having a circle of recessed buckets or indentations near its
periphery, and resting in a concave seat, through which the water is
introduced by means of spirally inclined orifices all enclosed by an over-
hanging cap or rim, thereby causing the float to revolve without
friction or interference from the current produced by the outgoing
fluid.
The said Invention also consists in a novel construction of the coupling
between the revolving disc and the stem connecting with the registering
mechanism to allow a free movement of the disc, and at the same time
correctly indicate its revolutions.

page_text: The principal parts of the meter consisting of the base A, middle
piece B, and cap C are cast or otherwise formed of a peculiar shape as
shown in Figure 2. The base A is cast or otherwise formed with an
inlet a; the central piece B rests upon the base at its circumference and
is peculiarly shaped to form a compartment between it and the base A. 5
in which the liquid is received, and also present a concave seat for the
revolving disc D to rest upon; and O is the top or cap covering all.
This cap C has provided at one side the outlet b, and in the upper part
is a compartment to hold the registering apparatus, whilst on the inner
side is cast or formed the projecting rim E which surrounds the 10
revolving wheel D, and at the same time forms an annular space or
chamber d outside of its circumference, running entirely around the
meter, from which chamber the water passes to the outlet b.
D is a revolving wheel or disc having on its upper side a projecting
pin e and cross bar for the purpose of coupling with the rod F, Figure 5, 18
which connects with the registering machinery in the compartment c.
This rod F is provided with a socket or sleeve to receive the pin e, and
vertical and transverse slots to catch its cross bar. The revolving
wheel D has its under side provided with notches or buckets 9, 9,
around its outer circumference, as shown in Figure 4, and it is also 20
turned down at the outer edge so as to overhang the openings h, h, in
the seat B.
H is an escape tube or plug for any air which may accumulate in the
upper part of the chamber, and may be provided with a small valve or
cock if desired. I is a screen of wire cloth, through which all the 25
liquid passes before entering the upper part of the meter so as to
intercept any substance liable to interfere with its proper working; it is
´bent or bow shaped to give it as great an area as possible.
The water or other liquid is conducted into the meter by the pipe or
inlet a, and passing through the spirally inclined holes h, h, in the 30
seat B will strike the buckets or notches g, g, formed on the under side
of the diso or wheel D, and cause it to revolve, and will also lift it
sufficiently from the seat B to balance it entirely in the water, and
thereby greatly if not entirely overcome all friction, whilst every
revolution it makes is communicated by the rod F to the registering 81
mechanism G contained in the compartment c. The liquid after its
force is spent on the revolving wheel or dise will then pass down under

page_text: the rim E to the annular space or chamber d, equally at all points of
the circumference of the disc and seat, and is discharged from the
chamber & through the outlet pipe, whilst the water above the disc and
within the circumference of the annular rim E will not be subject to
any current that may set towards the outlet pipe, and the disc D will
not be tilted or affected by such current.
The floating diso D may be provided with wings or projections j, j,
on its upper surface, which will tend to retard and steady its motion
when passing through the water.
It will be observed that by casting the middle piece B in such a
shape that it will form the seat for the disc D, and at the same time
may be readily secured to the base A and top or cap O, I am enabled
to construct the principal portions of the meter of three castings,
which reduces the cost, and at the same time greatly simplifies its
construction.
In witness whereof, I, the said William Robert Lake, have here-
unto set my hand and seal, this Twelfth day of July One
thousand eight hundred and seventy-six.
0 Witness,
JAMES EDWARDS,
8, Southampton Buildings,
London.
W.ROB. LAKE. (L.S.)