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Патент USA US2087613

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July
1937,
c. G; BORDEAUX
2,087,613 `
HEATING SYSTEM
Filed May 4, 1933 _`
,4 7' Tak/vs Ys
Patented July 20, 1937
2,087,613mi
UNITED STATES PATENT @FFME
Claude G. Bordeaux, Albany, N. Y.
_
Application May 4, 1933, Serial No. 669,410
2 Claims.
(Cl. 237-123)
My invention more particularly relates to a va
por heating system which is particularly applica
ble to Vehicles propelled by internal combustion
engines, although it is not limited thereto.
5
The general objects of my invention are to
provide a vapor heating system which is simple
and compact and which has a quick and effective
heat radiation as compared with systems in
stalled in the circulating system connected with
10 ' the radiator and with the cylinder jacket which
have hitherto been proposed.
'
Another object of my invention is the provi
sion of an unobstructed circulating system in
cluding a steam generator and a radiator oper
ating at a predetermined pressure with associ
ated means for introducing water into the sys
tem and maintaining a substantially constant
quantity.
Other objects of my invention Will appear in
20 the specification and will be particularly pointed
out in the claims.
My invention will best be understood by refer
ence to the accompanying drawing in which*
Fig. 1 is a side elevation of a device embody
25 ing my invention;
Fig. 2 is a perspective View or” the vapor gen
erator;
Fig. 3 is a longitudinal sectional View of a
check valve;
30
Fig. 4 is a sectional view illustrating a valve
located in the by-pass around said check valve.
and
Fig. 5 is a View similar to Fig. 4 illustrating a
modiñed form in the by-pass.
Like reference characters indicate like parts
35
throughout the drawing.
Referring to the drawing I8 is aninternal com
bustion engine of a vehicle in connection with
which I have illustrated my invention. A radi
40 ator il is connected to the Water jacket of the
engine by suitable connections l2 and i3. .An
exhaust pipe i4 leads from the engine in the
usual manner.
Y
A circulating system indicated generally at l5
45 comprises a vapor generator indicated generally
at I6 and a radiator il which may be if desired
the ordinary hot water radiator that has com
monly been used on vehicles. The vapor gen
erator is preferably formed with a loop |8 which
50 is located in the exhaust pipe I4, the ends |8|
and |82 preferably being threaded as illustrated
' and each provided with a flange lil.Y The bent
ends |8| and |82 of the pip-e forming the gen
erator pass through openings 2li in the exhaust>
55 pipe as best shown in Fig. 2, a union 2| connect
ing one end |8| of the generator to a pipe 22
which passes through a wall 23 of the body of
the car and connects to the radiator Il. The re
turn of the circulating system comprises the pipe
60 24, leading from the radiator l1 to an enlarge
ment 28 in the pipe 25 which connects said er1-y
largement to the other end |82 of the generator
pipe.
A union similar to that above described is Y
preferably used to connect the pipe 25 to the end
|82 of the generator.
Liquid is supplied to the circulating system
through a pipe 26 which may be connected at any
suitable point to the water cooling system of the
motor. In the embodiment illustrated, the pipe
26 is connected at 2l to the -water jacket Which
forms a part of the Water circulating system of
the motor.k The other end of the pipe commu
nicates with the circulating system l5.
A check valve 38 is located in the pipe 26. A
by-pass indicated generally at 39 is connected
to the pipe 26 on opposite sides of said check
valve A pipe connection 34 (Fig. 4) is threaded
into the casing 3H of the pop valve 3| and the
inner end thereof provides a seat for a Valve
member 35 which is preferably generally cylin 20
drical in form, but provided at its side with lon
gitudinally extending grooves 36. The valve
member 35 is normally depressed against the
nipple connection 3i by a spring 37 which is de
signed to be oompressedwhen a predetermined
pressure, for example, ten pounds, has been ex
ceeded Within the pipe 25 which forms a part of
the circulating system.
_ The operation of my heating system and the
elements included therein is as follows.
Assum
30
ing that the motor of a vehicle with Which my
device is connected is not in` operation, water
will substantially fill my heating system, the
Water ñowing from the Water cooling system of
the motor through the pipe 26, check valve 38,
enlargement 28 and thence into the circulating
pipes, vapor generator and radiator included ,
in my heating system. Obviously, water cannot
entirely lill the heating system due to the fact
that no outlet is provi-ded therein for air, hence 40
the air which is trapped therein will prevent
the same from becoming entirely iiooded. When
the motor is initially started, waste gases or ex
haust gases will be conducted from the cylinders
45.
of the motor through the exhaust manifold i4
and around the vapor generator i6. 'I‘he gen
erator, being preferably formed from a material
having the characteristics of resistance to cor
rosion from the exhaust gases and high heat
conductivity, will transfer the heat from the
exhaust gases to the water therein.
"
'
' When the motor is started, the pump which
circulates liquid through the radiator of the
vehicle and the Water jacket surrounding' thel
motor is also started thereby creating pressure
in the jacket which forces liquid through the
pipe connection 2E past the check valve 38 into
the circulating system l5 which is then flooded
as nearly as may be, the entire flooding ofY the 60
2
2,087,613
circulating system being prevented for reasons
that have already been presented. The pressure
which is created in the water block is practically
instantaneous whereas it requires an appreciable
time to bring the generator up to a temperature
suliiciently high to cause vaporizatìon of the
water therein to take place. When the generator
vaporizes the liquid therein, a pressure is created
in the circulating system and when it reaches
10 ten pounds, the by-pass valve 3| opens thereby
permitting fluid from the circulating system of
the heater to be forced through the pipe con
nection 26 into the water jacket, since the pres
sure therein is below that at which the valve 3l
15 opens. The circulating system is thereby re
lieved of the excess amount of liquid therein and
of the excess pressure.
-As soon as the pressure
in the circulating system falls below ten pounds,
the by-pass valve 3i is closed.
20
may find its way into the water, forms a seal be
tween the valve member 35a and the walls of
the casing 3l la.
It is to be understood that the control means
which I employ will continuously operate while
my heating system is in use. Furthermore, the
means which I employ to regulate the admission
of water to the heating system and the release
of steam therefrom maintain the heating sys
tem and the water cooling system of the motor
as separate systems, the two being entirely op
erable in a functional sense independently of
eachother.
The water cooling system is utilized
merely as a source of water supply and as a
ycondenser for the excessive steam developed
in the heating system. Furthermore, it is to be
understood that the heating system is so designed
that the excessive steam generated therein and
which is exhausted through the water cooling
It will be understood that when the vehicle
on which the heating system is installed stops,
system is negligible as a heating factor of the
the exhaust gases no longer pass over the .gen
A few of the evident advantages of my in
vention reside in the fact that it may be easily
and quickly installed, requires a negligible
amount of liquid, and may be used with hot
water radiators of installed systems.
While I have referred to water as the liquid
erator, and when the vehicle stops for any ap
preciable time, the generator cools and when
the car is again started liquid is again forced
into the circulating system and the cycle of op
eration above described is repeated.
The valve 38 is thus used only as an emergency
valve for the purpose of relieving the circulating
system of excess pressure when the sam-e is
ñooded with liquid as nearly as it may be and
the water in the generator heated thereby creat
ing an excess pressure therein. Under normal
operating condition the vehicle may run for an
entire trip or for an entire day without the valve
motor cooling system.
medium employed, I do not limit myself thereto,
but may use any fluid which may be suitably
used in a motor cooling system and which may
be vaporized in a vapor heating system.
While I have described my invention in its pre
ferred embodiments, it is to be understood that
the words which I have used are words of de
scription rather than of limitation and that
38 being operated, the valve 3l being operated
changes within the purview of the appended
only at the time of, starting the vehicle and
possibly after the motor has been idling.
The system embodying my invention thus pro
claims may be made without departing from the
true scope and spirit of my invention in its broad
vides a single connection only from the water
jacket to the circulating system. It will be
evident that my heating system comprising only
the one pipe connection leading from the water
jacket of the circulating system of the vehicle
45 to the circulating system of the heater is simple
and inexpensive as compared with a system
comprising two such connections and is more
ehi-cient as the liquid is not returned to the wa
ter jacket under normal operating conditions as
is necessarily the case when the circulating
system of the vehicle is included as a part of
the heating circulating system. Furthermore,
the pressure and therefore the temperature is
maintained substantially constant under normal
operating conditions thus delivering a substan
tially constant amount of heat to the vehicle.
Furthermore, the system embodying my inven
tion is comparatively simple and compact.
I have illustrated in Fig. 5 a modiiied form of
In the form of valve
60 valve Sla for the by-pass.
there illustrated, the valve member 35a is in
the form of a plain cylindrical member having
a close ñt in the valve casing 3l la. The outlet
pipe Sila for the by-pass is connected to a port
30h which is normally covered by the valve mem
ber 35a which is biased to the closed position by
392'
er aspects.
What I claim is:
l. In a vapor generating and heating system,
a source of liquid supply normally under pres
sure during normal operating conditions, an un
obstructed closed circulating system in which the
liquid circulates independently of said source
or” liquid supply and including a vapor genera
45.51
tor and a vapor radiator, means providing a
single passage between said source of liquid sup
ply and said circulating system, a check valve
located in said passage opening toward said
circulating system, and a by-pass around said
check valve and including a normally closed valve
operable to open position in response to a pre
determined pressure in said circulating system.
2. In a heating system, a closed circulating 55
system including a vapor generator and a vapor
radiator with means providing communication
between the two, a source of liquid supply un
der a pressure which may be higher than that in
said circulating system under certain conditions
of operation, means deñning a passage communi
cating with said source of, liquid supply and with
said system, a check valve located in said pas
sage for normally preventingV the return of fluid
from said system to said passage, a by-pass
around said check valve, a valve located in said
by-pass, and yielding means for normally retain- ,
the spring 3l as in Fig. 4. In moving over the
walls or”. the cylinder, any dirt or other foreign
matter is automatically removed from the walls
ing said Valve closed and operable to an open
thereof thereby eliminating the possibility of
predetermined pressure in said system.
its interfering with the operation of the valve.
Furthermore, any grease or oily substance which
2.5
position in response to a pressure in excess of a
CLAUDE G. BORDEAUX».
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