REVERSIBLE WATER, STEAM, GAS, OR OTHER FLUID. MOTOR
Year: 1885

page_text: ALFRED JAMES JARMAN Electrician of 443 Brixton Road London do hereby
declare the nature of my invention for REVERSIBLE WATER, STEAM, GAS, OR
OTHER FLUID. MOTOR, and in what manner the same is to be performed, to be
particularly described and ascertained in and by the following statement :-
This Invention consists in an improved water steam, gas, or other fluid motor,
and has for its special object the attainment of a reversible motion in a simple and
effective manner.
Its construction and method of action will be readily understood by reference to
the accompanying drawing in which
Fig. 1 is a sectional elevation.
Fig. 2 is a side elevation.
The case or jacket A Figs. 1, and 2, consists of a cylindrical chamber having four
ports or openings B. B¹ B¹¹ B¹¹, which may be conveniently cast in one piece with
it in any suitable metal.
Within the cylindrical chamber A, but mounted in a manner slightly eccentric
to it is a drum C, having three, four, six, or any requisite number of channels D
formed lengthwise upon it, this drum is mounted upon a spindle E made of steel,
or other suitable metal which passes through two glands, or stuffing boxes F. F. on
either side of the chamber A, and which may conveniently form part of its
covers a, a.
Into each of the longitudinal channels D, upon the drum is loosely fitted a
float G, made of metal or other suitable substance said floats having upon their
sides immediately contiguous to the covers a, a, pins or studs I I, these may either
form part of the floats, or may be inserted by drilling and plugging the holes with
wire. Inside each cover a, a, is formed a groove K, concentric with the cylindrical
chamber and into these grooves is placed a ring of metal or other suitable material
in which the pins I, I, are sunk. The ports B, B1, B, Bu, are connected by a
branch pipe L at each end, which unite forming the main inlet and exit port from
the chamber A, these main ports are preferably each governed by a two way valve
0, 0¹ which may be also connected by a lever P, and link Q.
The action is as follows. Water, steam, or other fluids, or gases, being admitted
through the two way cock O¹, the float G, receives the impact, and is forced

page_text: towards the exit port B turning the drum C, since however this drum is mounted
eccentrically to the guide ring, or groove k, and each float G, is stayed up by
means of its two studs I, and compelled to follow the path of said guide ring K,
each float is in turn drawn out from the channel D, in the drum C, and receives
the full effect of the water, steam or other pressure, rotary motion being thus
imparted to the drum C, and by means of its spindle to any machinery or plant
required to be driven.
Upon turning the two way cocks O, O' in the reverse direction, the passages are
reversed, and the motor revolves the opposite way and by allowing the lever
handle P, to hang down straight the source of power is cut off and the motor
stops.
Having now described my invention I would wish it understood that I do not
confine myself to the exact details shewn, and described as it is obvious that they
may be varied in many ways without departing from the peculiar features of my
Invention. What I believe to be novel; and desire to claim is
A Water, Steam, Gas, or other fluid motor being made by above described simple
means capable of reversing its motion whenever required without the use of
eccentrics, or other complicated mechanism having a grooved drum C, revolving
eccentrically to a cylindrical chamber A which encloses it. Said drum having 3 or
more feathering, or sliding floats G, which are actuated and controlled by the
rotative motion of the drum C, and the studs or pins I, working in the groove, or
guide ring K, substantially as and for the purposes, and in the way and manner
described.