Improvements in Steam Generators.
Year: 1891

page_text: COMPLETE SPECIFICATION.
[Communicated from abroad by LOUIS NICKOLAS TONN, of New Brighton,
New York, Sea Captain, EDWARD HARRISON HALL, of No. 400, Vanderbilt
-Avenue, Brooklyn, New York, Book-keeper and Cashier, and GEORGE HENRY
ALLEN of 41, West Fifty-sixth Street, City and State of New York, Importer,
all in the United States of America.]
Improvements in Steam Generators.
I, HENRY HARRIS LAKE of the firm of Haseltine, Lake & Co., Patent
Agents, 45 Southampton Buildings in the County of Middlesex, 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 improvement consists in the combination in a steam generator, of a furnace,
of water chamber arranged above the furnace, a combustion chamber located above
the water chamber, pipes extending from the furnace through the said water chamber
to the combustion chamber, a water and steam chamber above the combustion
chamber, large pipes extending from the said water chamber to the water and steam
chamber, smaller pipes having funnel-shaped upper ends extending from the lower
part of the water and steam chamber down through the large pipes that extend
from this chamber to the water chamber, and also down through these large pipes into
the water chamber nearly to the bottom thereof and bolts or rivets extending from
the bottom of the steam and water chamber to the top or crown of the latter.
The inner pipes having the funnel-shaped ends are supported at the upper ends
by brackets.
By this combination of parts I produce a very simple, compact and cheap boiler,
in which there will be a thorough circulation of water and practically no
opportunity for the collection of scale and sediment.
In the accompanying drawing
Figure 1, is a central vertical section of a steam generator embodying the
improvement.
Figure 2, is a horizontal section on the plane of the dotted line a, e, Fig. 1, but
with a portion of the bottom of the steam and water chamber removed to show the
bottom of the combustion chamber.
Similar letters of reference designate corresponding parts in both figures.
A designates the furnace. It is fitted with a grate, a, and provided with a door, a',
for the introduction of fuel, and an ash-pit door a².
B designates the water chamber. It is located immediately above the furnace.
Through this water chamber a number of pipes C, extend.
Above the water chamber, a combustion chamber D, is located. The pipes C,
receive the products of combustion and conduct the same through the water
chamber and thence into the combustion chamber. The combustion chamber is
provided with a chimney or flue E, which may be connected to a chimney in a
building and receives the products of combustion from the combustion chamber.
It will be seen that the contents of the water chamber will be heated not only
by reason of the location of the furnace beneath the same. but also by the passage
of the products of combustion through the pipes C.
G designates a steam and water chamber located above the combustion
chamber.
Large pipes H, having outwardly extending flanges at the top and bottom are
secured by rivets or like devices to the top of the water-chamber B, and bottom of
the steam and water chamber G. They communicate through holes with the
interior of the water chamber B, and steam and water chamber G.
I designates pipes having funnel-shaped upper ends. They extend through the

page_text: pipes H, and, as they are much smaller than the pipes H, do not prevent the
latter from maintaining.communication between the water chamber and the steam
and water chamber. The funnel-shaped upper ends of the pipes 1, are within the
lower portion of the steam and water chamber. They are supported by brackets, i,
formed integral therewith and secured to the bottom of the steam and water
chamber. In the present instance they are secured to the bottom of the steam and
water chamber by the same rivets which secure thereto the upper ends of the
pipes H.
These pipes I,.extend down through the pipes H, into and to the bottom
of the water chamber B.
Water heated in the chamber B, will rise through the pipes H, in the lower
portion of the steam and water chamber G. The funnel-shaped or flaring upper
ends of the pipes I, will deflect it sidewise as it enters the chamber G. The cooler
water in the chamber G, will flow into the funnel-shaped upper ends of the pipes 1,
and descend through these pipes I, into the water chamber B. A vigorous
circulation will be kept up in this manner.
It will be observed that the central pipe H, is larger than th others and that the
others are arranged around it in the form of a circle. T central pipe has
secured to its interior, braces J, which extend down to the bo.. n of the water
chamber B, and are there fastened.
.
Rivets or stay-bolts K, extend from the combustion chamber D, up through the
steam and water chamber.
The whole generator is shown as of cylindric form. It will be seen that it is
very compact, simple and efficient.
Water may be introduced through a pipe L. Steam may be taken off through
a pipe M. NN designate pipes which may connect with a gauge.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed; as communicated to me by
my foreign correspondents I declare that what I claim is,
1. The combination in a steam generator, of a furnace, a water chamber arranged
above the furnace, a combustion chamber located above the water chamber, pipes
extending from the furnace through the said water chamber to the combustion
chamber, a water and steam chamber above the combustion chamber, large pipes
extending from the said water chamber to the water and steam chamber; smaller
pipes having funnel-shaped upper ends extending from the lower part of the water
and steam chamber down through the large pipes that extend from this chamber to
the water chamber and also down through these large pipes into the water chamber
nearly to the bottom thereof, and bolts or rivets extending from the bottom of the
steam and water chamber to the crown or top of the latter, substantially as specified.
2. The combination in a steam generator, of a furnace, a water chamber arranged
above the furnace, a combustion chamber located above the water chamber, pipes
extending from the furnace through the said water chamber to the combustion
chamber, a water and steam chamber above the combustion chamber large pipes
extending from the said water chamber to the water and steam chamber, and
smaller pipes having funnel-shaped upper ends extending from the lower part
of the water and steam chamber and secured by brackets thereto, down through
the large pipes that extend from this chamber to the water chamber and also
down through these large pipes into the water chamber nearly to the bottom
thereof, substantially as specified.
11101 1
100x
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, Agents for the Applicant.