Rotary Engine Page: 6 of 7
[4], 3 p. : ill. ; 23 cm.View a full description of this patent.
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1,302,238
and through the next 180 degrees, the cham-
ber 23 contracts to assume the proportions
shown in Fig. 2. During this last specified
operation, the exhaust leaves by way of the
5 port 26. During the next 180 degrees of
revolution, the chamber 23 enlarges and
takes in a charge through the port 25. Dur-
ing the next 180 degrees of revolution, the
charge is compressed, the parts assuming
10 the positions of Fig. 2, whereupon the
charge is again ignited. The operation
above described has been confined to but one
of the chambers 23, but it is obvious that a
chamber 23 is formed at both ends of the pis-
15 tons, one chamber 23 enlarging under the
action of 'the expanding charge, while the
other chamber 23 is contracting to force out
the. exhaust through the port 26. The mov-
ing blocks 28, cooperating with the ports 31
20 and the pipes 32, aid in drawing in and ex-
pelling the lubricant, thus keeping the work-
ing parts of the engine lubricated and
cooled.
The ports 25 and 26 are controlled by
25 valve mechanisms of any desired sort, which
may be located in the casing 7, but since
any specific valve mechanism, cannot, be
claimed in the rotary engine construction,
no valve mechanism adapted for the ends
30 in view has been shown.
As shown in Figs. 3, 4, 5 and 6, the engine
includes an outer plate 33, an inner plate 34
and a ring 35 located between the plates, the
parts above mentioned constituting the sta-
$5 tor. Cooperating with the inner plate 34
is an inner plate 36 having a ring 37 engag*
ing an outer plate 38, the plate 36, the ring
37 and the plate 38 forming an auxiliary,
casing. The plate 38 has a bearing 39 car-
40 rying a bushing 57. The plate 33 is pro-
vided with a bearing 40.
The pistons are of the general type here-
inbefore described, and therefore they need
not be alluded to in great detail, each piston
45 including a body 41 and a hub 42. The ex-
pansion chamber appears at 43 and. the
spark plug is shown at 44. The necessary
packings 45 are provided, as before. One
of the pistons is carried by a solid shaft 46
50 journaled in the 'bearing 40. The other
piston is carried by a tubular shaft 47 sur-
rounding the shaft 46 and journaled in the
hubs 48 formed on the plates 34 and 36.
The shaft 47 is provided with an arm 49
55 located in the auxiliary casing above men-
tioned. The shaft 46 is provided with an
arm 50 located in the auxiliary casing. The
numeral 51 denotes a bar disposed in the
auxiliary casing. The bar 51 has a longi-
60 tudinal guide way 52. The numeral 53 de-
notes a link forming a pivotal connection
between the outer end of the arm 49 and one
end of the bar 51. The outer end of the arm
50 is pivoted directly to the other end of
65 the bar 51. Journaled in the bushing 57 is ashaft 56, the same being mounted eccentri-
cally with respect to the stator. The shaft
56 carries a parallel-sided block 55 mounted
to slide in the guideway 52 of. the link
bar 51. 70
In practical operation, when the pistons.
are operated in the manner hereinbefore set
forth, the shafts 47 and 46 will be rotated,
motion being transmitted to the bar 51 by
the - arm 50, from the shaft 46, and motion 75
being transmitted to the bar 51, from the
shaft 47, by means of the arm 49 and the
link 53. When the bar 51 is operated, the
block 65 slides in the guideway 52 of the
bar 51 and rotary movement is imparted to so
the shaft 56.
It will besobvious that the device forming
the subject matter of this application may
be used as a pump, the essential mechanical
elements of the device being retained. Thus, 85
taking the structures shown in Figs. I and 2
as typical, the shaft 12 is power driven, the
-fluid which is to be pumped being sucked in
as the chamber 23 increases in size, and be-
ing expelled as the chamber 23 decreases in 90
size.
Having thus described the invention, what
is claimed is:-
1. In a device of the class described, a
stator; a pair of pistons having orbital 95
movement in the stator and. conforming to
the' inner curve of the stator, the ends of
the pistons being provided with cooperating
recesses extended entirely thereacross and
def nig expansion chambers when the ends 100
of. the pistons abut, the expansion chambers
being. open at. their ends throughout the
entire diameter of the expansion chambers,
the pistons being relatively movable cir-
cumnerentially of the stator to enlarge and 105
diminish the chambers, the stator having in
one side, an inlet port, and being provided
in one side with an exhaust port, the ports
communicating at different times with each
chamber; a. shaft journaled in the stator; 110
means for operatively connecting the shaft
with the pistons; and an ignition device
carried by one side of the stator and co-
operating with the- chambers, throughout
the entire diameter of each chamber. 115
2. In a device of the 'class described, a
stator; a pair of pistons having orbital
movement in the stator, the ends of the pis-
tons cooperating to form expansion cham-
bers, the pistons being relatively movable 120
circumferentially of the stator to enlarge
and diminish the chambers, the stator hav-
ing an inlet port and exhaust port commu-
nicating at different times with each cham-
ber; a shaft journaled in the stator; means 125
for operatively connecting the shaft with
the pistons; and lubricant conveying pipes
communicating with the stator, said means
being effective to cause a circulation of lu-
bricant, by way of said pipes, thereby to 13093
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Reference the current page of this Patent.
Sheridan, Leslie M. Rotary Engine, patent, April 29, 1919; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth1256670/m1/6/: accessed July 7, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.