Air, Water, or other Fluid for Various Purposes.
Year: 1886

page_text: Date of Application, 18th Mar., 1886.
Complete Left, 16th Dec., 1886.
Complete Accepted, 21st Jan., 1887.
Air, Water, or other Fluid for Various Purposes.
We, JAMES ANDERSON, of 100 Clyde Street, Glasgow, in the County of Lanark,
North Britain, Engineer, and ROBERT MCKINNELL, of 56 Dundas Street, South,
Glasgow, aforesaid, Engineer, do hereby declare the nature of this said Invention to
be as follows, that is to say:-
Our said Invention has for its object the inducing or producing of fluid currents in
an economical and satisfactory manner by means of improved apparatus.
In carrying out our Invention we employ compressed air or steam or other suitable
fluid under pressure, and the apparatus is formed with an annular orifice and so that
the fluid issues in the form of an annular jet and acts with both its inner and outer
surfaces on the fluid it is intended to operate on. The annular orifice is at one end of
an annular chamber which receives the fluid under pressure by a pipe connected to
one side of it; and this annular chamber is made of such a shape as to offer the least
possible obstruction to the fluid passing inside and outside of it. In one modification
the space within the annular chamber, and which is open at both ends, is of a curved
form being slightly contracted at the middle, whilst the outer side of the annular
chamber is similarly but reversely curved so that the chamber is wider at its middle.
The inner space may however be parallel-sided or of other desired form.
For some purposes, for example when the apparatus is to be used for ventilating or
for producing a current of air for any purpose, it may be made self-regulating by making
the shell forming the inner side of the annular chamber separate from the outer shell,
and by applying one or more springs between an adjustable ring or collar on its back
end and a part of the outer shell in a manner to give it a tendency to open the
annular orifice to its widest. The inner and outer shells are fitted to each other in
such a way that the pressure in the chamber tends to move the inner shell into a
position in which the annular orifice is at its narrowest; and the pressure acting
against the spring or springs causes the orifice to become narrower in proportion as
the pressure is greater, and vice versâ.
Our improved apparatus is applicable for producing draught in steam-boiler and
other furnaces, for forcing air into stoke holds, for producing circulation of the water
in boilers, or in condensers, or other vessels, for ejecting or injecting water, or for
injecting or projecting oil or other liquid in the form of spray.
EDMUND HUNT,
Applicants' Agent.

page_text: Air, Water, or other Fluid for Various Purposes.
We, JAMES ANDERSON, of 100 Clyde Street, Glasgow, in the County of Lanark,
North Britain, Engineer, and ROBERT MCKINNELL, of 56 Dundas Street, South,
Glasgow, aforesaid, Engineer, 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, that is to say:-
Our said Invention has for its object the inducing or producing of fluid currents in
an economical and satisfactory manner by means of improved apparatus.
In carrying out our Invention we employ compressed air or steam or other suitable
fluid under pressure, and the apparatus is formed with an annular orifice and so that
the fluid issues in the form of an annular jet and acts with both its inner and outer
surfaces on the fluid it is intended to operate on.
The annular orifice is at one end of
an annular chamber which receives the fluid under pressure by a pipe connected to it;
and this annular chamber is made of such a shape as to offer the least possible
obstruction to the fluid passing inside and outside of it.
Our improved apparatus is applicable for producing draught in steam-boiler and
other furnaces, for forcing air into stokeholds, for producing circulation of the water
in boilers, or in condensers, or other vessels, for ejecting or injecting water, or for
injecting or projecting oil or other liquid in the form of spray.
"And in order that our said Invention and the manner of performing the same may
properly understood we hereunto append a sheet of explanatory drawings to be
hereinafter referred to and showing three modifications of our improved apparatus
for producing currents; each modification being shown by a longitudinal and
transverse section. In these drawing the same reference letters are used to mark
the same or like parts wherever they are repeated.
In the modification shown in figures, 1, and 2, of the accompanying drawings an
annular chamber, A, is formed by screwing together at one end two shells, B, C, the
inner one, B, of which is curved so that the space within it, which is open at both
ends, is slightly contracted at its middle. The outer shell, C, is similarly but
reversely curved so that the chamber, A, is wider at its middle. This chamber, A,
receives the compressed air, or steam or other suitable fluid under pressure which we
employ to produce the current, by a pipe (not shown) connected to a pipe flange, D,
formed at one side of the outer shell, C, and an annular orifice is formed at the end of
the chamber, A, opposite to that at which the two shells, B, C, are screwed together,
so that the fluid issues from the chamber, A, in the form of an annular jet and acts
with both its inner and outer surfaces on the fluid it is intended to operate on. The
inner shell, B, can be screwed into or out of the outer shell by means of a rod inserted
in one of the holes, E, formed for the purpose. A pinching screw, F, prevents the
parts from separating after being screwed together.
When it is desired, for any purpose to make the apparatus self-regulating, as for
example when the apparatus is to be used for ventilating or for producing a current

page_text: of air for any purpose, it is constructed as shown in figures, 3, and 4. The inner
shell, B, is made separate and not screwed to the outer shell, C, and a spring, G, is
applied between an adjustable ring or collar, H, on the back end of the inner shell, B,
and a shoulder on the outer shell, C, in a manner to give it a tendency to open the
annular orifice to its widest. The inner and outer shells, B, C, are shaped so that the
pressure in the chamber, A, tends to move the inner shell, B, into a position in which
the annular orifice is at its narrowest (that is, towards the right hand in figure, 3,);
and the pressure acting against the spring or springs causes the orifice to become
narrower in proportion as the pressure is greater, and vice versa. A pinching
screw, F, is applied to the collar, H, so that it can be adjusted to regulate the
compression of the spring, G, and a similar screw, I, is provided for fixing the parts
when desired. Webs or ribs, J, are formed on the inside of the outer shell, C, near
its front end to bear on an enlargement formed on the outside of the inner shell, B,
for the purpose of guiding that shell concentrically.
Figures, 5, and 6, show a modification in which the connection, D, for the pipe
supplying the compressed fluid to the annular chamber, A, is formed at the back end
of the apparatus. The inner shell, B, and the back part of the outer shell, C, are
formed in one piece whilst the front end of the outer shell consists of an annular piece
screwed to the after part. The air or other fluid acted on by the apparatus has access
to the space within the inner shell, B, by two or it might be more curved lateral
passages, K.
The inner shell, B, in any of the modifications may be parallel-sided or of other
desired form instead of curved as shown.
Having now particularly described and ascertained the nature of our said Invention
and in what manner the same is to be performed we declare that what we claim is :-
1-The shaping and combining of the parts of current-inducing or producing
apparatus substantially in the improved manner herein before described with reference
to figures, 1, and 2, of the accompanying drawings,
2 The shaping and combining of the parts of current-inducing or producing
apparatus substantially in the improved manner hereinbefore described with reference
to figures, 3, and 4, of the accompanying drawings.
3 The shaping and combining of the parts of current-inducing or producing
apparatus substantially in the improved manner hereinbefore described with reference
to figures, 5, and 6, of the accompanying drawings.
EDMUND HUNT,
Applicants' Agent.