Improvements in Steam and other Fluid-pressure Rotary Engines.
Year: 1899

page_text: Date of Application, 24th Jan., 1899-Accepted, 13th May, 1899
COMPLETE SPECIFICATION.
Improvements in Steam and other Fluid-pressure Rotary Engines.
I, THOMAS EDWARD JONES, of 388, Kennington Road, in the County of Surrey,
Draughtsman, 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 refers to rotary engines for steam or other fluid-pressure and
consists of certain improvements to be hereinafter described, the object of my
invention being to procure a continuous rotation without check or break in
cylinders for steam or other motive agency. In the accompanying drawings
illustrating my invention
Figure 1 is an elevation of the cylinder.
Figure 2 is a plan, the head of the valve casing being removed to show the
interior valve.
Figure 3 is a section elevation showing the piston eccentric cam and resisting
slides.
Figure 4 is a section plan showing the slides in position.
Figure 5 is an end elevation showing position of slide in slide course and general
external construction.
Figure 6 is an end section elevation showing the steam courses ports inlets
and outlets and other construction.
Figure 7 is a section elevation with cam removed to show piston passing slide.
Figure 8 is an elevation section of cylinder showing piston and cam in process
at bottom of cylinder.
Figure 9 is a detail top view showing steam inlet and outlet in hub.
Similar numerals of reference designate corresponding parts throughout all the
different figures of the drawings:-
1 denotes left hand head of cylinder with boss 10 and steam course 4 all of
which are cast together-boss 10 is fitted with a brass or other suitable metal
A A is base cast
bearing 6 in the centre of which is section of the shaft 7.
together with bottom of cylinder 2. From steam course 4 is fixed steam pipe 5
leading to steam valve chest 21 on the top of which is pivot 23 affixed to which
is lever of steam valve 15 to the right of steam valve chest 21 is live steam
pipe 18 and to the left of same is exhaust steam pipe 19.
The lever of steam valve 15, as shown in Figure 2, is turned towards the
right hand head of cylinder 1" and with it steam guide 14 the centre of which is
well packed so as to form a tight joint in valve chest same being denoted by
the black line 31. The lever of steam valve 15 being turned towards the right
hand head of cylinder 1ª as aforesaid, the live steam having come through
steam pipe 18 into steam valve chest 21 (as indicated by arrow in Figure 2)
and thence to steam pipe 5 and from thence into cylinder the piston would then
rotate to the right. The rotation will be hereinafter fully described. 1 is
left hand head of cylinder and 1 is right hand head of cylinder. 2 is top of
cylinder and slide case. 7-7 are both ends of shaft (and it will be observed

page_text: that either or both ends of shaft are free to be used as required) with bearing 6-6
in bosses 10-10.
Referring now to Figure 3, 11 is eccentric cam with slide course 16 in which
are held slide flanges 27. 12 is a steam port in shaft hub 28. The dotted lines
indicate piston 9, and 25 is the steam inlet. 13 and 13 is side view of resisting
slides top view of which is shown in Figure 4 in their slide courses 29. The
black line 30 in centre of hub and eccentric cam represents packing.
Referring now to Figure 4 the slide 13 in the section of eccentric cam 11 and
the slide 13" in the section of hub 28 shows flanges 27 in position in eccentric
slide courses 16 and hub steam ports 12-12 and boss steam ports 8-S. The
black lines 32-32 at the back of bearing 6-6 are packing to make tight joint
in shaft. The end view of slide 13 is in its courses 29 (as shown in Figure 5).
22 represents the packing in slide cases (shown in Figures 7 & 8).
Referring now to Figure 6 with the lever 15 turned towards right hand head of
cylinder 1 with steam guide 14, in same direction (as shown in Figure 2) the
live steam having come through steam pipe 18 into the steam valve chest 21
and thence through steam pipe 5, and steam course 4, into boss port 8 within
boss 10 round shaft 7 into hub steam port 12 and thence through the steam
inlet 25 into the cylinder 2" (as shown in Figure 3) I will now proceed to
describe in detail the rotation in the cylinder; The steam entering cylinder 2ª
as aforesaid striking slide 13" as indicated by arrow (as shown in Figure 3)
presses the piston round thus opening slide 13 by the cam 11 allowing the piston 9
to pass slide 13, as shown in Figure 7, (the left hand cam 11 having been removed
to show section of piston more clearly) still holding 13" tight up to the hub 28
by slide flange 27 in flange course 16 (as shown in Figure 3) the piston 9 in
its rotation will then become at the bottom of the cylinder
(as shown in
Figure 8) and will have thus drawn slide 13 tight up to the hub 28. It will
be seen now that both slides 13 and 13" are closed tight up to hub 28 held there
by flanges 27. The live steam still coming through steam inlet 25 into cylinder 2
strikes slide 13 thus pressing piston towards slide 13" which will be opened by
cam 11 and allowed to pass as aforesaid. It will be seen now that the exhaust
steam (which has been shut in) will now pass through steam outlet 26 (which
is shown in Figure 9) into hub port 12 and boss port S on the other side of
cylinder through steam course 4" thence through steam pipe 5" into valve chest 21
(as indicated by arrow in Figure 2) and thence through exhaust pipe 19. This 3
process continues while the rotation is required to the right thus causing a con-
tinual rotation without break or interruption.
It will now be noticed that to reverse the steam I merely have to turn the lever
towards the left hand head of cylinder 1 thus causing an effectual reversion of
the steam and direction of the piston by an extremely simple method and which 4
causes the reversion at once without complication or diminishing the power of
the rotation. Having turned the lever 15 towards the left hand head of cylinder 1
the steam coming through steam pipe 18 into steam valve chest 21 would pass
into steam pipe 5" and thence into steam course 4" and boss port 8 into hub
port 12 through steam inlet 26 (as denoted by dotted lines in Figure 6) and as 4
shown in Figure 3 the steam would then pass into cylinder passing by resisting
slide 13 on this occasion and striking resisting slide 13ª pressing piston towards
resisting slide 13". The piston would then become at the top of cylinder 2" in
opposite position to that shown in Figure 8 both slides 13 and 13" being then
held tight up to hub 28 as previously described. The steam still coming through
steam inlet 26 would strike slide 13 in the top of cylinder 2" and would press
piston towards slide 13" which would be opened by cam 11 as previously
described allowing piston to pass as aforesaid. It will now be seen
that the exhaust steam (which has been shut in) will pass through
steam outlet 25 into hub port 12 and thence into Hoss port 8 5
and steam course 4 and steam pipe 5 into valve chest 21 (bearing in mind the
steam guide is turned in opposite direction to that shown in Figure 2) and from

page_text: thence into exhaust pipe 19, and this process continues without check or interrup-
tion while the rotation is required to the left.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is:
-
1. In a rotary engine the combination with the cylinder having shaft, with
hub, cam and piston affixed thereto within the cylinder and steam inlets and
outlets and resisting slides, bringing about a continual rotation without check
or break as described.
2. In a rotary engine having the mechanism within the cylinder, in connection
with steam valve on top of cylinder, thus leaving both ends of shaft perfectly
free to be used either together or separately.
3. In a rotary engine with a simple reversing action by means of a lever being
turned to the right or the left as required and altering the flow of steam bringing
about an immediate and effectual rotation in either direction by altering steam
inlets and outlets without complication as described.
Dated this 23rd dor of Janua
1900
THOMAS EDWARD JONES.