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Патент USA US2121015

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June‘ 2.1, 1938;,
‘
r
i D. J. CAMPBELL
2,121,015‘
INTERNAL 'comsus'rmn :ENGINE COOLING SYSTEM
3 Filed May 9, 1956‘ '
' '
' “ 2 Sheets-Sheet 1
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W765 Jam/@5622
June 21, 1938.
.
D. J. CAMPBELL
2,121,015
INTERNAL COMBUSTION ENGINE; COOLING SYSTEM ‘
Filed May 9, ‘193's
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2,121,015
Patented in. 21, 1938
‘ UNITED STATES PATENT OFFICE
.
2,121,015
INTERNAL COMBUSTION ENGINE COOLING
‘
SYSTEM
'
-
Donald J. Campbell, Muskegon Heights, Mich.
Application May 9,- 1936, Serial No. 78,779
(01. 123-173)
into the cooling system to replace the vaporized
Myinvention relates to cooling systems for in
10 Claims.
. ternal combustion engines and has for one ob
ject to provide a new and improved cooling 'sys
tem for internal combustion engines which will
5 cool the various parts of the cylinder at differen
tial rates in consonance with the rate at which
heat is generated in the various parts of the cyl
inder so as to maintain proper controlled cooling
throughout the various parts of the cylinder.
liquid discharged from the superheater.
The result of this arrangement is that the
lower end of the piston‘stroke where it is un
necessary to have a high degree of heat in the 5
engine is cooled by the body of liquid undergoing
preheating. This part of the cylinder is never
swept by the ?ame of combustion. The inter
mediate zone is cooled by the body of liquid un
dergoing intermediate heat, part _of this zone 10
of the heat generated in the internal combustion _ being swept by the flame of combustion toward
engine cylinder in such a manner as to extract the end of the stroke and the upper vaporizing
10
Another object of my invention is to make use
from the cylinder'the maximum amount of heat
‘which can be extracted without interfering with
combustion cycle.
it __the
_Another object of my invention is to use
the
. heat of an internal combustion engine to vaporize
\ a cooling liquid.
Other objects will appear from time to time
20 throughout the specification and claims.
My invention "is illustrated more or less dia
zone encircling as it does the cylinder head and
the upper end of the cylinder is subjected to the
hot products of combustion at the hottest part 15
of the cycle. The initial superheating coil in the
engine cylinder is encircled by the products of
combustion but is relatively short so that the
vapor or steam is subjected to this intense heat
for but a short length of time and the ?nal pre- 20
heating takes place in the preheating coils in the
grammatically in the accompanying drawings exhaust manifold, thereby reducing the tempera
ture of the exhaust manifold and reducing the
wherein-
Figure 1 is a side elevation of an engine with . pressure at which the engine exhausts into the
25- parts in section;
,
'
Figure 2 is a section along the line ‘2--2 of Fig?
ure 1.
i is an internal combustion engine cylinder
block comprising cylinders 2, jacket 3 and cylin
30 der ‘head 4.
5, 6, are the intake and exhaust
valves, 1 is the piston, 8 the connecting rod and
9 the crank shaft. The jacket is divided up into a
plurality of separate ?uid containing zones, the
lower zone ll around the lower part of the cylinder at thedownward excursion of the piston is
adapted to receive relatively cool liquid and serve
as a preheating zone wherein liquid will‘ absorb
heat from the cooler part of the internal combus
tion engine cylinder. I2 is an intermediate zone
connected to the lower zone at one end of the en-‘
40 gine by means of the‘conduits l3. I4 is a vapor
izing zone, encircling the cylinder head, con
nected to the intermediate zone l2, by conduits
15 at a point far removed from the conduits I3.
45
it are a series of superheating coils located with
in the'upper end of the engine ‘cylinder. They
receive vapor or steam from the vaporizer zone
atmosphere. The relatively small initial super- 25
heating coil in the combustion chamber itself is
so small that it does not materially interfere with
the combustion cycle. Thus-there is a controlled
and even heat flow’ from the engine cylinder.
30
1 claim:
1. An internal combustion engine comprising
a cylinder, intake and exhaust valves, a fuel
supply, an exhaust manifold, ignition vmeans, a
piston, a crank shaft and a connecting rod, a low
temperature cooling chamber surrounding the 35
crank end of the cylinder, an intermediate cool—
ing chamber surrounding the central portion of
the cylinder, a high temperature vaporizing
chamber surrounding the cylinder head, and a
coil contained within the cylinder adjacent the 40
upper end thereof and out of contact with the
walls thereof, conduits connecting said chambers
and coil in series in the order named and means
for supplying ?uid under pressure to the low tem
perature cooling chamber.
2. An internal combustion engine comprising a
cylinder, intake and exhaust valves, a fuel sup
ply, anexhaust manifold, ignition means, a pis
45
from the conduit I ‘I and discharge it through
ton, a. crank shaft and a connecting rod, a lowv
conduits It to the chamber 25 and thence by the temperature
cooling chamber surrounding the’ 50
‘conduit 26 to the ?nal superheating coils I9 lo
5
.
crank
end
of
the cylinder, an intermediate cool
cated in the exhaust manifold 20.
II is a liquid supply, 22 a pump discharging ing chamber surrounding the central portion of
liquid from the supply through conduits 23, to the cylinder, 9. high temperature vaporizing
the preheating, zone whereby constantly renewed chamber surrounding the cylinder head, a coil
supply of cooling liquid is continuously forced within the exhaust manifold, conduits connecting 55
2
2,121,015
said chambers in series in the order 'named and
means for supplying cooling ?uid under pressure
to the low temperature cooling chamber.
3. An internal combustion engine comprising
5 a cylinder, intake and exhaust valves, a fuel sup
ply, an exhaust manifold, ignition means, a pis
ton, a crank shaft and a connecting rod, a low
temperature cooling chamber surrounding the
crank end of the cylinder, an intermediate cool
10 ing chamber surrounding the central portion of
the cylinder, a high temperature vaporizing
chamber surrounding the cylinder head, and a
coil contained within the cylinder adjacent the
upper end thereof and out of contact with the
walls thereof, a cooling coil within the exhaust
manifold, conduits connecting said chambers and
coil in series in the order named and means for
supplying ?uid under pressure to the low tem
perature cooling chamber.
4. An internal combustion engine comprising
a cylinder, intake and exhaust valves, a fuel
supply, an exhaust manifold, ignition means, a
piston, a crank shaft and a connecting rod, a low
temperature cooling chamber surrounding the
crank end of the cylinder, an intermediate cool
ing chamber surrounding the central portion of
the cylinder, a high temperature vaporizing
chamber surrounding the cylinder head adjacent
the upper end thereof, a coil contained within the
30 cylinder adjacent the upper end thereof and out
of contact with the walls thereof, conduits con
necting said chambers and coil in series in the
rounding the crank end of the cylinder, 9. second
chamber surrounding an intermediate part of
the cylinder and a third chamber surrounding the
head of the cylinder, a cooling coil in the exhaust
manifold.
8. Means for cooling an internal combustion
engine cylinder comprising a ?uid containing
jacket surrounding the cylinder, a plurality of
partitions dividing the jacket into a plurality of
serially connected chambers,'one chamber sur 10
rounding the crank end of the cylinder, a second
chamber surrounding an intermediate part of the
cylinder and a third chamber surrounding the
head of the cylinder, a cooling coil in the cylinder
in communication with said chamber, a cooling
coil in the exhaust manifold.
9. An internal combustion engine including in
a single engine block a plurality of cylinders, in
take and exhaust valves, an exhaust manifold,
crank shaft, pistons and connecting rods for each 20
cylinder, three separate cooling chambers within
the engine block, one of them a low temperature
chamber surrounding the crank ends of the cyl
inders, the next an intermediate cooling cham
ber surrounding the central portions of the cyl 25
inders, and the third a high temperature vaporiz
ing chamber surrounding the cylinder heads,
means for supplying cooling ?uid under pressure
to the low temperature chamber and circulating
it through such chamber about a plurality of cyl 30
inders, then discharging it therefrom to the inter
mediate chamber and there circulating it about
~ order named and means for supplying ?uid under
a plurality of cylinders, then discharging it to
pressure to the low temperature cooling chamber. the vaporizing chamber and there circulating the
35
5. An internal combustion engine comprising liquid and vapor about a plurality of the cylinders,
35
a cylinder, intake and exhaust valves, a fuel sup
and means for discharging vaporized liquid from
ply, an exhaust manifold, ignition means, a pis
the vaporizing chamber.
ton, a crank shaft and a connecting rod, a low
10. An internal combustion engine including in
temperature cooling chamber surrounding the a single engine block a plurality of cylinders, in
40 crank end of the cylinder, an intermediate cooling take and exhaust valves, an exhaust manifold,
chamber surrounding the central portion of the , crank shaft, pistons and connecting rods for each 40
cylinder, a high temperature vaporizing cham
cylinder, three separate cooling chambers within
ber surrounding the cylinder head, and a coil the engine block, one of them a low temperature
contained within the cylinder adjacent the upper chamber surrounding the crank ends of the cyl—
45 end thereof and out of contact with the walls inders, the next an intermediate cooling cham
45
thereof, a cooling coil within the exhaust mani
ber surrounding the central portions of the cyl
fold, conduits connecting said chambers and coil inders, and the third a high temperature vapor
in series in the-order named and means for sup
izing chamber surrounding the cylinder heads,
plying ?uid under pressure to the low tempera
means for supplying cooling fluid under pressure
50 ture cooling chamber, the ?uid supply means com
to the low temperature chamber and circulating
prising a pump, a reservoir from which the pump it through such chamber about a plurality of 50
draws cooling ?uid to be supplied to the cooling cylinders,_ then: discharging it therefrom to
chamber, and means for operating the pump in the intermediate chamber and there circu
consonance with the engine operation.
lating it about _a_ , plurality of cylinders, then
6. Means for cooling an internal combustion discharging it to the vaporizing chamber and
55
engine cylinder comprising a ?uid containing there circulating the liquid and vapor about
jacket surrounding the cylinder, a plurality of a-plurality of the cylinders, and means for dis
partitions dividing the jacket into a plurality of charging vaporized liquid froin' the vaporizing
serially connected‘ chambers, one chamber sur
chamber, there being closed 'partitions with
60 rounding the crank end of the cylinder, a ‘second
chamber surrounding an intermediate‘part of
the cylinder and a third chamber surrounding
the head of the cylinder, a coil in the cylinder in
communication .with said chamber and out -of
65 contact with the cylinder walls.
_
'
'7. Means for cooling an internal combustion
engine cylinder comprising a ?uid containing
jacket surrounding the cylinder, a plurality of
‘partitions dividing the jacket into a plurality of
70 serially connected chambers, one chamber sur
in the engine block and associated with a plu
rality of cylinders dividing and separating the
cooling chambers, a conduit at a point removed
from the place where the cooling ?uid is supplied
to the low temperature chamber to conduct the
?uid to the intermediate chamber, and a conduit
at a point removed from the ?rst mentioned
conduit to conduct cooling ?uid from the inter
mediate to the vaporizing chamber.
DONALD J. CAIWPBELL.
60
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