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Патент USA US2109185

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Feb. 22, 1938.
2,109,185
c. H. THOMPSON
INTERNAL COMBUSTION ENGINE
Filed March 17, I936
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Feb. 22, 3938.
c. H" THOMPSON
2,109,185
INTERNAL COMBUSTION ENGINE
Filed March 17, 1936 I
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Inventor
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I Feb. _22, 1938.
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C H_ THOMPSON
2,109,185
INTERNAL COMBUSTION ENGINE
Filed March 1'7, 1936 ,_
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Patented Feb. 22, 1938
2,109,185
‘UNITED’ STATES PATENT OFFICE‘
I
‘
2,109,185
INTERNAL -COMBUSTION ENGINE
Charles H. Thompson, Sacramento, Calif.
>Application March 17, 1936, Serial‘ No. 69,392
(01. 12s_44)
2 Claims.
This invention relates to internalv combustion
engines and more particularly to internal com
bustion engines of the rotary type.
1
vAn object of the invention isto simplify the
5 structure of rotary internal combustion engines
and at the same time to increase the power there
of to. the end that maximum power'may be ob
At the center thereof the plate I4 is provided
The invention together with its objects and ad
vantages will be best understood from a study
of. the following description taken in connection
withthe accompanying drawings wherein:
' manner of ‘mounting on the engine an injector
-‘
work that is to be driven.
Shaft I1 is journalled in a suitable bearing l8
bers 9a that connect the aforementioned frames
9 at the ends of the latter. Bearing l8 as shown
is suitably provided at l9 for a lubricant ?tting
and also with an oil ring 20.
-
Figure 3 is an enlarged detail sectional view
through the injector cylinder and further illus
‘
Secured to the opposite end of the hub or cas
trating the means for reciprocating the piston
annular
ing l0 through
plate 22 in
thewhich
medium
is ?tted
of abolts
babbitt
2| bear-.
is an ’‘
forming part of the injector.
ing 23. At its inner end the bearing 23 is pro
vided with a ?ange 24 that has an edge portion 20
thereof clamped between the plate‘22 and the
.
j
’
.
Figure 4 is a fragmentary plan view showing
the means for reciprocating the injector piston.
Figure 5 is an elevational view taken substan
tially at right angles to Figure 3 and viewing the
same ‘from the left of Figure 3.
Figure 6 is a fragmentary plan view of the rim
of the, rotor.
>
Figure 7 is an enlarged detail sectional‘view
taken at right angles to Figure 1.
,
Figure 8 is a fragmentary elevational view from
the’driving end or side of the rotor.
Figure 9 is a fragmentary perspective view il
lustrating certain details hereinafter more fully
referred to.
Referring to the drawings by reference numer
als it will be seen that the internal combustion
engine comprises an outer band divided into a
pair of complemental sections 5, 6, which at their
ends are provided with lugs ‘I through the medium
40 of which and bolts 8 the sections 5 and 6 are
connected together and secured to the side mem
45
tends the main drive shaft I‘! that is adapted
to be connected in any suitable manner with the
provided therefor on one of the frame mem
Figure 1 is a sectional view through the engine.
Figure 2 isa detail elevational view showing the
‘
a cover plate l4 secured to the member l0 by '
bolts or the like l5.
with a formation [6 from the center of which ex
tained with minimum fuel consumption.‘ '
cylinder.
the cylinders H are complementarily ribbed and
grooved as indicated generally at I3.
For vone side of the casing l0 there is provided
bers 9 of any suitable stationary supporting frame
structure.
Revoluble within the con?nes of the outer rim
is a rotor which includes a crank case in the
form of a hub I!) from which radiates cylinders
II. While any number of cylinders may be em
ployed in the present instance there have been
0 illustrated but four such cylinders.
At their outer ends the cylinders l l are integral
with a rim or band l2 that has a rotative ?t within
the outer band.
As shown in Figure 7 the sections 5 and 6 of the
outer band and the sections of the rim 12 between
adjacent end of the hub or crank case in.
The reference numeral 25 indicates one end of‘
an axle that extends through a bearing 25. and
on the end of the axle 25 is a disk 21 which is
accommodated within the bushing 23 as shown.
Secured to this disk 21 as at 28 and disposed
5
against the outer face of the annular plate 22 is
an oil retainer plate 29.
Thus in this manner
the rotor is supported to rotate about the axle
0
25 and its disk 21 has an axis.
Disk 21 is provided with any desired number
of concentrically arranged openings 30 into a
selected one of which is placed'one end of an
eccentric pin 3|.
Suitably connected with the free end of the
pin 3| is one end of connecting rods 32 pro
vided for the piston 33 mounted to reciprocate
within the cylinders ll. Obviously the desired
compression is obtained by placing the pin 3| in
the proper socket or opening 30 of disk 21. It
will also be apparent that as the rotor revolves
pistons 33 are ‘constrained to reciprocate within
the cylinders I I and as the cylinders ?re in proper
sequence the rotor will be caused to revolve as is
35
5
thought apparent.
Provided in the ?xed outer ring section 5 is a
port 34 into alinement with which and the in
take port 35 provided in the rim l2 the cylinders
H successively move for charging the cylinders
H with fuel.
For charging purposes there is provided an in
jector which includes a cylinder 36 suitably
mounted on the ring section 5 and adapted to be
0
55
2
2,109,185
connected at one end 31 with a carbureter (not
intervals are contact elements 55 for use as a part
shown).
Inwardly from the end 31 cylinder 36 is pro
vided with a guide bar 38 through which works a
valve stem 39 provided for a valve 40 engageable
with a seat 4| fixed within the casing 36 at the
side of the guide 38 farthest remote from the end
31 of the cylinder.
A spring 42 serves to yieldably retain the valve
of the ignition system.
10 disk 40 engaged with its seat 4 I.
Mounted for reciprocation within thecylinder
36 at the sidejof the seat 4| opposite to the‘ guide
38 is a piston 43 which serves to draw fuel into
the cylinder 36 from the carbureter and, with
15 valve 40 open, pass the valve seat 4| to subse
quently force the fuel under pressure through the 1
port 45, and through port 34 and the port 357
alined with the port 34 into the proper cylinder.
For reciprocating the piston 43 as the rotor
Also, the rim section 5 at a suitable point there- '
of will be provided with a spark plug hole 56 to
accommodate the spark plug 51 for igniting the
compressed charges in the successive cylinders.
For the casing Ill there is also provided on the
rim section 5 a suitable valve controlled vent as
sembly 58.
Also for cleaning out the cylinders there is 10
provided in thevrim section 6 an opening“ 59 with
which the cylinders I I are caused to;isuccessively
aline and extending from the opening 59 is a con
.duit 68 through which air under pressure or the
like may be ‘forced for use in cleaning out the 15
' cylinders.
'
Fonlubricating the contiguous faces of the
outer ?xed ring and the rim l2 through the
vmedium of the oil within the casing Hi there are
20 revolves there is provided on the free end of _. provided oil conduit pipes 6| that extend from 20
the casing ID to the rim I2 and these pipes are
the piston rod 46 an arm 41 formed at one ‘end
with-a hook 48.
Secured to one side edge of the rim I2 of the
rotor is a continuous cam ring which at intervals
25 has formed integrally therewith attaching brack-,
ets 48 bolted or otherwise secured at 49 to the
rim I2- The cam ring is corrugated to provide
in alternation cam hollows 58 and cam humps
5|, and the hook 48 engages the‘cam ring in a
30 manner clearly-shown in Figures 3 and 7 so that
as the rotor revolves the camring so engages the
hook 48 that, through the medium of the cam
humps 5| and the cam hollows 50, the piston 43
will be caused to reciprocate for drawing fuel into
35 the cylinder 36 past the valve 48 and subse
quently forcing the fuel from the cylinder 36
' into the successive cylinders II.
The section 6 of the stationary ring is provided
with a single exhaust port 5| and an exhaust
manifold 52 is suitably secured to the ring sec
tion 6 as shown in Figure" I.
It will thus be seen
' that as each cylinder ll moves into alinement
with port 5| the burnt gases‘will exhaust there
from to be carried o? by the exhaust conduit 52.
For each cylinder‘ ll there is also provided a
. suitable, breather cap 53.
' Also in accordance with the present invention
provided with suitable valves 62 as shown.
' "
-_Having thus described the invention, what-is
claimed
1. A fuel
as new
injector
is: , for rotary
'
internal combus
' ‘
ed on a' stationary :part of the engine, a cylinder
in one end of the casing having a discharge port
therein, said injector cylinder'also’having a longl;
tudinally aligned end adapted to be connected 30
with a source of fuel supply and a piston opera;
tively mounted within the- injector ‘cylinder for'
drawing fuel from said supply and forcing'fuel
under pressure‘ through said discharge port,'said
injector'casing having a guide member adjacent
the end thereof connected with said' source‘rof '
fuel supply, a valve seat in the injector casing
inwardly of‘ the guide,'a valve engageable with
said seat and having a stem working through
saidguide and a. spring engaged with said stem
for yieldably urging said valve ‘in engagement with
said seat, said seat ‘being disposed between‘said
system and said valve guide.
‘
'
‘2. Means for actuating the piston of a'fuel'in
jector ‘for rotary internal combustion engines
comprising a rod extending from the piston, a
hook member having a shank secured to the‘ free
end of said ,rod and means having wiping contact
there is disposed on the plate l4 about the vforma
with the hook for reciprocally actuating the pis
tion IS a. ring 54 of ?ber or other suitable dielec
ton,
trio material and embedded within the ring at
25
tion engines comprising an injector casingmount
"
CHARLES H."I'HOMPSON.
'
"
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