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Jan. 4, 1949.
H. E. CROZEER ET AL.
2,458,256
WATER CARBUHETOR I
2 Sheets-Sheet 1
Filed May 14, 1946
36 55,36 .59
.
Mwaaepoe; .
Jan. 4, 11949.
‘ f
H. E. CROZIER HAL
>-
2,453,256
WATER cAR'BunEToR
Filed May 14, 1946
12.24%
'
2. Sheets-Sheet 2
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57 WW
22
J77)’.
Patented Jan. 4, 1949
2,458,256
UNITED STATES PATENT OFFICE
2.45am:
WATER CARBURETOR
Harold E. Crozier and Albert G. H. Vanderpoei,
Los Angeles, Calif.
Application May 14, 1946, Serial No. 669,515
5 Claims. (Cl: 261—18)
1
Our invention relates to a water carburetor
Fig. 3 is a vertical section taken on the line 3-3
and has for its principal object, to provide simple,
inexpensive and highly e?lclent means, whereby
of F18. 1.
a regulated and controlled amount of water is
inducted into air horn of a gasoline carburetor
of Fig‘. 1.
-
Fig.4 is a vertical section taken on the line 4—
Fig. 5 is a vertical section taken on the line 5-5
of Fig. 4.
to mix with the air stream passing to said carbu
Fig. 6 is an enlarged section taken on the line
retor and from the latter, into the combustion
6-4 of Fig. 5.
chambers of an internal combustion engine.
Particularly the invention relates to an improved
Fig. 7 is an enlarged section taken on the line
'
device for introducing water into the carburetor 10 1-1 of Fig. 3.
Referring by numerals to the accompanying
intake air stream at rates in accordance with the
quantities or rates of the air flow, for the sev
drawings which illustrate a preferred embodi
eral purposes of increasing the volumetric e?l
ment of our invention, Hi designates a ring hav
ing a lower portion suitably clamped on the inlet
ciency of the engine; suppressing detonation, de
creasing fuel consumption, and increasing the 15 end of a conventional carburetor horn C and with '
power output and general performance efficiency
its upper portion disposed within the lower end
of the engine.
‘
portion of the air cleaner outlet A.
‘
Our major object is to accomplish these pur
poses by a novel assembly comprising a tubular
or ring-like member insertible between the carbu
retor and air ?lter and containing a water induc
tion nozzle of Venturi characteristics, and a di
rectly connected body containing a ?oat con
'
Formed integral with the upper portion of ring
ill, on the inner face thereof is a'lug or internal
20 projection ll, arcuate in length to conform to
the wall of said ring and which lug functions as
a nozzle for the induction of water into the carbu
retor air intake stream and in accordance with
its rate of flow.
trolled water supply chamber from which water
,
From the upper rear edge of this lug, its upper
is delivered to the nozzle in accordance with the 25
or exposed face curves inwardly toward the cen
rate of air ?ow to the carburetor.
ter of the ring and downwardly to a horizontal
‘ Particularly contemplated is the provision of
plane a short distance above the bottom of said
means whereby air is mixed with water passing
lug, thus forming a short vertically disposed duct
to the nozzle, and speci?cally in a manner where
by the induction of air by the nozzle-created suc 30 or channel l2 that is arcuate in horizontal sec
tion and convex in vertical section to present an
tion elevates the water from a normal level below '
air-contacted surface having in cross-section as
the nozzle position.
i
viewed in Fig. 2, a Venturi section shape.
A further object of our invention is, to provide
Prom thehorizontally disposed lower edge of
a simple, practical and highly e?lcient high speed
duct, the front face of the lug is undercut to
bleeder, which acts positively and automatically 35 this
form a horizontally arcuate vertically inclined
to produce a water-air mixture which, when
face I3.
,
combined with the main .fuel and air mixture
Formed in one end of the curved face l2 of
forms an ideal fuel for internal combustion
nozzle l I, at the top thereof, is a shallow depres
engines.
.
,
Our present application is an improvement on
our copending application on Anti-knock or deto- ‘
nation dampening device, ?led March 20, 1944,
Ser. No. 527,252, now Patent No. 2,407,478.
With the foregoing and other objects in view,
our invention consists in certain novel features
40
sion H.
_
Formed integral with ring I0 directly opposite
the nozzle II is an external projection or lug 15,
in which is formed a centrally disposed horizontal
duct l6 closed at its outer end by a plug l1 and
its inner end, which is slightly smaller than its
outer portion, terminates in a jet aperture. It on -
of construction and arrangement of parts which
the lower portion of undercut face 13 just below
will be hereinafter more fully‘ described and
the lower end of the channel I 2.
claimed and illustrated in the accompanying
Formed in lug l5, parallel with duct I6 is a
drawings, in which:
50 duct 15, the rear end of which is closed by a plug
Fig.v 1 is a plan view of our improved water
20 and the forward portion of this duct extends
carburetor.
.
upwardly in nozzle H and terminates in an air’
Fig. 2 is a vertical section taken on the line 2-2
inlet aperture 2| in the center of the depres
of Fig. 1 and showing parts of'the air cleaner and
sion H.
A substantially rectangular housing 22 having
carburetor with which our device is combined.
-
3,458,256
a?
a removable cover 23, provides a water supply
chamber and integral with one side of said hous
v
a,’
7 in the airhorn of the gasoline carburetor above
ing is a vertically disposed housing 24 having a
water well 25, the upper end thereof communi
cating through an aperture 28, with the rear por
tion of duct to.
the butter?y thereof.
Under normal conditions with ?oat elevated,
of housing 22 is a breather aperture 22a. Formed
?nger 48 bears against the outer end of plunger
44 and holds needle 45 against its seat 42 and
when water is withdrawn from the ?oat chamber,
and the ?oat lowers, the pressure of ?nger 48
against plunger 44 is relieved and hook 44a in
integral with the upper end of housing 24 is a
groove 49 acts on plunger to withdraw the needle
Formed in the upper portion of one of side walls
?ange 21, upon which-rests lug i5, and the parts 10 valve 45 from its seat, thus permitting water to
being secured to each other by screws or bolts 28.
Screw seated in lug i5 along side duct I6, is a
enter the ?oat chamber from duct 43.
Screw 35 is adjusted so as to control and regu
screw plug as having a diametrically disposed
late a- metered ?ow of water from the ?oat cham
aperture 29a, that registers with duct i9, and de
ber into wall 25. _ Suction produced as a result of
pending from said screw plug is a small tube 3| 15 acceleration of motor speeds'and increased rates
_ that depends into well 25 and its lower end being
of air ?ow along the nozzle surfaces l2 and ‘I3
closed by a plug 22.
draws water through duct l6 ‘from the top of
The upper end portion of tube 3| ?ts snugly in
well 25, which water discharges from the jet aper
an aperture 38 formed in lug I5 below plug 29 and ' ture to be picked up and mixed with the air
formed through the wall of said tube throughout 20 passing to the gasoline carburetor.
its length‘ are several small air Jet apertures 34.
With particular reference to the displacement
The upper one of these apertures is disposed
of water from the well 25 into passage i8, it will
below the normal water level prevailing in the
be noted, see Fig. 5, that the normal water level
in the well and tube 3| is above the uppermost
chamber within housing 22, which water level is
indicated by dotted line WL in Figs. 2, 3 and 4
aperture 34, and consequently that no air ?ow
and ring it and housing 22 are relatively dis
through the aperture into the well occurs until
posed so that ducts l6 and 19 are above said nor- '
the suction communicated from passage l8 lowers
mal water level. Perforated tube 31 in operation,
the water in the tube to the aperture depth.
provides a high speed bleeder for automatically
Thereupon the air stream entering the well be
delivering water spray to the air stream as it 30 neath the water level agitates and entrains the
water to a degree causing it to be carried by the
passes from the air ?lter to the carburetor.
Means for controlling a metered ?ow of water
air stream into passage It for admixture with the
air taken into the carburetor.- And of course,
from the chamber within housing 22 into the
lowering pressures communicated from passage
lower portion of well 25, comprises a screw 35
I6 produces increasing air ?ow into the well and }
seated in the lower portion of housing 22 and
increasing displacement of water therefrom. ' As
provided with a tapered end portion 36, which
water is so displaced from the well and the water
enters a port 31, communicating with the lower
level therein drops, openings 34 progressively ad
end of well 25 and arranged between the head of
mit air into the well, but individually with de
said screw and the wall in which'the screw is
40 creasing’air passage since each upper opening 34
seated is an expansive coil spring 38.
‘
uncovered by a drop of the outside water level
The outer end of the chamber 39 occupied by
acts as an air bleeder with relation to the aper
screw as, is closed by a screw plug 40, thus pre
tures below.
,
venting leakage of any water that might seep
Thus the air taken into the gasoline carburetor
from the chamber in housing 22, past the thread
45 is heavily laden with moisture and the resultant
ed portion of said screw.
vaporized mixture of air, water and gasoline pro
Located in one end of housing'22 is a tubular
vides an ideal gaseous fuel for the development
?tting 4! having a seat 42 for a needle valve and
of increased power, cooler engine temperatures,
connected to the outer end of said ?tting is a
elimination
of preignition and detonation, also,
water supply duct 43 which may lead from the 50
the superheated steam action in the dissolving
radiator hose or from a small tank conveniently ,
of the carbon holding gums resulting from use of
located beneath the engine hood.
I
hydrocarbon fuels in engines.
Arranged for sliding movement in ?tting 4|, is
Among the particularly novel and advantageous
a plunger 44, non-circular in cross section, and
features of ourinvention are, the nozzle II and
the outer end of said plunger terminates in a 55 the high speed bleeder 3|, which are arranged
needle valve 45, which cooper-ates with seat 42 in
and constructed so as to act automatically in re
controlling the ?ow of water from duct 43 into
sponse to engine speeds and loads to provide an
the chamber within housing 22.‘
air water mixture and deliver saine directly into
A conventional ?oat 46 is pivoted at 41 beneath
the air stream from the air filter to the gasoline
?tting 4i, and extending upward from said‘pivot 00
is a narrow ?nger 48 that bears against the outer
end of plunger 44 and the upper end of this ?nger
is bent downward to form a hook 48:; that en
gages in a groove 49 formed in the rear portion of
carburetor.
'
It will be understood that minor changes in the
size, form and construction of the various parts
of our improved carburetor may be made and
substituted for those‘ herein shown and described
plunger 44 (see Fig. 3-). '
_ ‘
65 without departing from the spirit of the inven
Projecting upward from the bottom of housing
tion, the scope of which is set forth in the ap
22, is a web 50, which serves as a stop to limit
pended claims.
the downward movement of ?oat 46.
We claim as our invention:
When the motor, with which our water carbu
1. A device for humidifying an air stream to be
retor is associated, is at idle speed no water is 70 taken by an engine, comprising a, tubular member
taken into the air stream and likewise while go
forming a substantial cylindrical air passage and
' ing down grades in gear, no water ‘is taken in.
having in vertical axial position a bottom portion
The device injects water only when the motor
for attachment to the inlet end of a carburetor,
picks up the load under partial and full throttle,
said member having an internal projection ‘ex
01‘ Only When driving conditions create a Vacuum .75 tending within said passage from one side only
2,458,256
5
thereof and leaving the major portion of the
r
6
of the passage unobstructed, and an external pro
passage unobstructed, and an external projection
jection directly adjacent said internal projection,
directly adjacent said internal projection, there
‘there being in said projections a water passage‘
extending into, said member and said internal
projection having a substantially Venturi-shaped
being in said projections a water passage extend
ing into said member and said internal projection
having a substantially Venturi-shaped surface
extending axially and inwardly of the member so
that the air ?ow along said surface induces water
?ow through said water passage into the member
surface extending axially and inwardly, of the
member so that the air ?ow along said surface
induces water ?ow through said water passage
into the member in accordance with the rate of
in accordance with the rate of air ?ow there 10 air ?ow therethrough, and a water supply ?oat
chamber detachably secured to the underside of
through, and a water supply ?oat chamber de
said external projection, said chamber contain
tachably secured to the underside of said external
ing "beneath said external projection a riser pas
projection, said chamber containing beneath said
sage through which water' is taken upwardly into
external projection a'riser passage through which
water is taken upwardly into said water passage. 15 said water passage, and means for admitting air
through a passage in said external projection for
2. A device for humidifying an air stream to be
admixture with the water ?owing through said
taken by an engine, comprising a tubular member
forming a substantially cylindrical air passage
water passage.
'
'
'
5. A device for humidifying an air stream to be
and having in Vertical axial position a bottom
portion for attachment to the inlet end of a car 20 taken by an engine,.comprising a tubular member
buretor, said member having an internal projec
forming a substantially cylindrical air passage
tion extending within said passage from one side
and having in vertical axial position a bottom
portion applicable to the intake of an engine car
only thereof and leaving the major portion .of the
passage unobstructed, and an external projec
‘ buretor, said member having an internal projec
tion directly adjacent said internal projection, 25 tion extending within said passage from one side
only thereof and leaving the major portion of the
there being in said projections a-water passage ,
extending into said member and said internal
passage unobstructed, and an external projection
projection having a, substantially Venturi-shaped
surface extending axially ‘and inwardly of the
being in said projections a, ?rst Water passage
directly opposite said internal projection, there
member so that the air ?ow along said surface 30 extending into said member and said internal
projection having a substantially Venturi-shaped
induces water ?ow through said water passage
surface extending axially and inwardly of the
into the member in accordance with the rate of
member so that the air flow along said surface
air flow therethrough, a water supply ?oat cham
induces water ?ow through said water passage
ber, detachably secured to the underside of said
external projection, said chamber containing 35 into the member in accordance with the rate of
a air flow therethrough, a body detachably con
beneath said external projection a riser passage
nected to said external projection and contain
through which water is taken upwardly into said
ing a water supply ?oat chamber in which water
water passage, an air delivery tube carried by and.
stands at a ‘normal level below said passage,
depending from said external projection within
said riser passage, and means for supplying air to 40 means forming a second water passage taking
water from said chamber and extending upward;
said tube.
ly to communicate with said ?rst water passage
3. A device for humidifying an air stream to be
so that water is elevated from said second pas-v
taken by an engine, comprising a tubular member
sage into the ?rst water passage by the suction
forming a substantially cylindrical air passage
and having in vertical axial position a bottom .45 communicated therethrough, and means for
admitting air to said second water passage to aid
portion for attachment to the inlet end of a car
the elevation of water to the ?rst water passage
buretor, said member having a thickened wall
and to aerate the water being taken through said
portion forming an internal projection extending
?rst water passage to the air stream ?owing
within the passage and leaving the major portion
through said member.
of the passage unobstructed, said projection hav
HAROLD E. CROZIER.
ing an inner surface of substantially Venturi
ALBERT G. H., VANDERPOEL.
section shape and the lower portion of the mem
ber below said projection being of split formation
to clamp about the carburetor, said member hav
ing adjacent said internal projection an external
projection, said‘ projections containing a Water
passage through which water is induced into the
_air stream ?owing along said curved surface, and
REFERENCES CITED
The following references are of record in the
?le of this patent:
UNITED STATES PATENTS
Number
Name
Date
a ?oat chamber detachably secured to said exter
nal projection and containing a water riser pas- 60 1,727,197
sage communicating with the ?rst mentioned
1,972,686
water passage.
2,040,020
4. A device for humidifying an air stream to be
2,108,556
taken by an engine, comprising a tubular mem
2,441,301
ber forming a substantially cylindrical air Das
sage and having in vertical axial position a bot
Number
tom portion for attachment to the inlet end of a
384,689
carburetor, said member having an internal pro
465,474
jection extending within said passage from one
side only thereof and leaving the major portion 70
Bryan et al _______ __ Sept. 3, 1929
Lorenzen _________ __ Sept. 4, 1934
Parker ____________ __ May 5, 1936
Hardt ___________ __ Feb. 15, 1938
Waag et al _______ __ May 11, 1948
FOREIGN PATENTS
Country
Date
Great Britain _____ __ Dec. 15, 1932
Great Britain ______ _._ May 6, 1937
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