IMPROVED APPARATUS FOR DISCHARGING BILGE WATER FROM TT
Year: 1866

page_text: LETTERS PATENT to August Hermann and Henry Brethauer, both of
New Haven, Connecticut, in the United States of America, for the
Invention of "IMPROVED APPARATUS FOR DISCHARGING BILGE WATER FROM
TT
"
Scaled the 21st May 1867, and dated the 3rd December 1866.
PROVISIONAL SPECIFICATION left by the said August Hermann and
Henry Brethauer at the Office of the Commissioners of Patents, with
their Petition, on the 3rd December 1866.
We, AUGUST HERMANN and HENRY BRETHAUER, both of New Haven,
Connecticut, in the United States of America, do hereby declare the nature
of the said Invention for "IMPROVED APPARATUS FOR DISCHARGING BILGE WATER
FROM VESSELS' HOLDS," to be as follows:-
This Invention relates to the construction in the bottom or bilge of a ship or
vessel of a circular-shaped apparatus with a vertical axle reaching to the deck
of the vessel, by the rotation of which apparatus water accumulated in the
vessel will be forced out. Over an opening in the bottom of the vessel is
fixed a casing closed at its upper part, but open at bottom. In this casing is
mounted a vertical axle which is driven by any suitable motive power; at one
side the casing is fitted with a vertical slide which moves in grooves, and is
intended to open or cut off communication between the hold of the ship and

page_text: the casing; behind this slide is a hinged valve opening inwards; on the axle
there is permanently fixed a hollow cylinder which turns with the axle, and
on its circumference it has three openings communicating respectively with
three projecting chambers, each of which chambers is provided with a valve
so arranged that the valves will open (outwards) when the hollow cylinder is
turned, and remain closed when the cylinder is at rest. This apparatus is
used in the following manner:-When water has accumulated in a ship pro-
vided with this apparatus and is required to be removed the slide is raised
and the axle is put in rapid rotation, whereby the hollow cylinder with its pro-
jecting chambers will be rapidly rotated and caused to act like a centrifugal
pump, throwing open the valves and forcing out the water through the same
and out at the bottom of the casing. When all the water is thus removed
from the vessel the slide is lowered and the rotation stopped.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said August Hermann and Henry Brethauer in the Great Seal
Patent Office on the 3rd June 1867.
TO ALL TO WHOM THESE PRESENTS SHALL COME, we, AUGUST
HERMANN and HENRY BRETHAUER, both of New Haven, Connecticut, in the
United States of America, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Third day of December, in the year of our Lord
One thousand eight hundred and sixty-six, in the thirtieth year of Her
reign, did, for Herself, Her heirs and successors, give and grant unto us, the
said August Hermann and Henry Brethauer, Her special licence that we,
the said August Hermann and Henry Brethauer, our executors, adminis-
trators, and assigns, or such others as we, the said August Hermann and
Henry Brethauer, our executors, administrators, and assigns, should at
any time agree with, and no others, from time 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 "IMPROVED
APPARATUS FOR DISCHARGING BILGE WATER FROM VESSELS' HOLDS," upon the con-
dition (amongst others) that we, the said . August Hermann and Henry
Brethauer, our executors or administrators, by an instrument in writing
under our, or their, or one of our or their hands and seals, should particularly
describe and ascertain the nature of the said Invention, and in what mauner

page_text: 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 August Hermann, on behalf of myself
and of the said Henry Brethauer, do hereby declare the nature of our said
Invention, and in what manner the same is to be performed, to be par-**
ticularly described and ascertained in and by the following statement,
reference being had to the Drawing hereunto annexed, and to the letters, and
figures marked thereon (that is to say) :-
This Invention relates to the construction in the bottom or bilge of a ship
or vessel of a circular-shaped apparatus with a vertical axle reaching to the
deck of the vessel, by the rotation of which apparatus water accumulated in
the vessel will be forced out.
To enable others skilled in the art to make and use the Invention I will
proceed to describe the same with reference to the accompanying Drawing, in
which Fig. 1 represents an inverted plan view of the apparatus; Fig. 2, a
cross section thereof through the line A, B; Fig. 3, a cross section thereof
through C, D. The same letters mark the same parts in all these Figures.
E, F, represents the bottom of the vessel, and G, H, the deck thereof;
I, K, represents the vertical axle of the apparatus, and L, M, N, O, the
mantle or casing of the apparatus. One part of the mantle consists of a
vertical slide P which is moveable in grooves; when the slide is raised the
apparatus is ready for action. Q is the principal valve of the apparatus hinged
on the upper part of the casing; on the axle I, K, there is permanently fixed
a hollow cylinder R, R, which turns with the axle; this cylinder has at its
circumference three openings S, S, S, communicating respectively with three
projecting chambers T, T, T, each of which chambers is provided with a
valve U, U, U; these valves are so arranged that they will open outwards
when the hollow cylinder is turned, and remain closed when the cylinder is at
When this apparatus is very large the rotation of the principal axle
and cylinder may require considerable force, and then gearing wheels indicated
in Figures 2 and 3 may be used to rotate the same. This apparatus is used in
the following manner :-When water has accumulated in the hold of a ship
provided with this apparatus and is required to be removed the slide P is
raised and the axlo I, K, is put in rapid rotation; the hollow cylinder R, R,
affixed to the axle will be also rapidly rotated, and will act with its-projecting
chambers T, T, T, like a centrifugal pump, opening the main valve Q by
exhaustion, and throwing open the valves U, U, U, past which the water will
be forced and discharged through the bottom of the casing. When all the
rest.
-

page_text: water is thus removed from the vessel the slide P is lowered and the rotation
is stopped.
Having now set forth the nature of our Invention of "Improved Apparatus
for Discharging Bilge Water from Vessels' Holds," and explained the manner
of carrying the same into effect, we wish it to be understood that under the
above in part recited Letters Patent we claim, applying to the bottom or bilge
of ships apparatus constructed and operating as above described.
In witness whereof, I, the said August Hermann, have hereunto set my
hand and seal, the Seventeenth day of May, in the year of our Lord
One thousand eight hundred and sixty-seven.
AUGUST HERMANN. (Ls.)