Year: 1887

page_text: Date of Application, .22nd Sept., 1887
Complete Left, 20th June, 1888
Complete Accepted, 20th July, 1888
1, THOMAS JONES, L.L.D., Clerk in Holy Orders and Vicar of Curdworth in the
County of Warwick, do hereby declare the nature of this invention to be as
follows:-
My invention relates to the class of apparatus in which fluid is admitted to and
exhausted from the annular space between two coaxial cylinders one of which is fixed
whilst the other is attached to the main shaft and carries a radial piston fitting and
revolving in the annular space this being divided into two by a valve placed between
the inlet and outlet ports which is lifted at each revolution to allow the piston to
pass.
In order to prevent the escape of fluid from the pressure to the exhaust side of the
piston past the flat ends of the revolving cylinder I recess the cover plates of the
fixed cylinder to receive the ends of the revolving cylinder and 1 sometimes also fit
spring packing rings in these recesses. In place of rigidly fixing the piston to the
revolving cylinder 1 fit it in a slot therein at the bottom of which is a spring which
presses the piston outwards radially so as to compensate for the wear of the piston
and outer cylinder and thus preserve a fluid tight joint between the two. The cover
plate of the outer cylinder is adjustable by means of screws in order to bring its
inner surface into contact with the revolving piston, so as to make the space between
them a fluid tight joint. It is important to cause the valve to open and close quickly-
so that it remains open only just long enough to allow the piston to pass. To effect
this I cause the piston itself to open the valve both being formed with suitably curved
surfaces the valve being pressed radially inwards by a spring which closes it imme-
diately the piston has passed :-or the valve may be a spring flap valve the piston
alone being curved. If the apparatus is to be reversible inclines must be provided on
both sides of the piston and valve.
When the engine is to be used expansively 1 provide a cut off valve at the inlet
port worked by a cam or eccentric on the main shaft.
D 1
ວ່າ.
11007

page_text: COMTEELE
DIMOLTIVATION.
Improvements in Rotary Engines, Pumps, and Meters.
I, THOMAS JONES, L.L.D.; Clerk in Holy Orders and Vicar of Curdworth, in the
County of Warwick, 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 :-
--
My invention relates to the class of apparatus in which fluid is admitted to and
exhausted from the annular space between two coaxial cylinders one of which is fixed
whilst the other is attached to the main shaft and carries a radial piston fitting and
revolving in the annular space this being divided into two by a valve placed between
the inlet and outlet ports which is lifted at each revolution to allow the piston to
pass.
The annexed drawing represents an engine constructed in accordance with my
invention; Figure 1 is an elevation and Figure 2 a transverse section. a is the outer
cylinder, it is securely fixed upon a suitable foundation. bis the inner concentric
cylinder, it is fixed on the shaft c, and has bearings in the cylinder end and cover.
d is the radial piston carried by the cylinder b. e is the valve working in a recess in
the side of the cylinder a. el is a spring in rear of the valve. f is the inlet and g is
the outlet for the steam or fluid. f is a cut off valve. is a cam on the shaft c and
¡ is a lever moved by the cam and operating the cut off valve.
In order to prevent the escape of fluid from the pressure to the exhaust side of the
piston past the flat ends of the revolving cylinder I recess the cover plates of the
fixed cylinder to receive the ends of the revolving cylinder and I sometimes also fit
spring packing rings in these recesses. In place of rigidly fixing the piston to the
revolving cylinder I fit it in a slot therein at the bottom of which are springs which
press the piston outwards radially so as to compensate for the wear of the piston and
outer cylinder and thus preserve a fluid tight joint between the two. The piston itself
is divided into two by a plane parallel to the cover plates, and three springs are placed
between the two parts to press them laterally outward so as to compensate for the
wear and tear of the sides of the piston and cover plates and to make the joints
between them fluid tight. The dividing slit is covered by a thin plate attached to
one of the pieces and overlapping the other. The cover plate of the outer cylinder is
adjustable by means of screws in order to bring its inner surface into contact with
the revolving cylinder, so as to make the space between them a fluid tight joint. It
is important to cause the valve to open and close quickly so that it remains open only
just long enough to allow the piston to pass. To effect this I cause the piston itself
to open the valve both being formed with suitably curved surfaces the valve being
pressed radially inwards by a spring which closes it immediately the piston has
passed or the valve may be a spring flap valve the piston alone being curved. If
the apparatus is to be reversible inclines must be provided on both sides of the piston
and valve.

page_text: When the engine is to be used expansively I provide a cut off valve at the inlet
port worked by a cam or eccentric on the main shaft.
It will be understood that when the apparatus is used as a motor it is driven by the
pressure of the fluid, (whether liquid vaporous or gaseous), but when employed as a
pump it is driven by power applied to the shaft c. When it is used as a meter
a counter is provided which registers the number of rotations of the shaft.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed I declare that what
I claim is:-
:-
1. In a rotary engine, pump or meter the combination substantially as described of
parts a b c d e f and g as herein set forth.
2. The improved rotary engine pump or meter substantially as described and
illustrated by the annexed drawings.
Dated this 14th day of June 1888