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Патент USA US2403556

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July 9, 1946.
A. P. RUTH
2,403,556 _
. CENTRIFUGAL PUMP
Filed Dec. 17, 1945
‘
INVENTOR.
?zz/Zak Pli’a? ' '
Array/v!15y
_ Patented Jilly 9, 194s
; 2,403,556
UNITED STATES PATENT orrics
Arthur P. Ruth, Houston, Tex.
Application December 17, 1945, Serial No. 635,539
6 Claims. (01. 103-5)
1
.
Thisii‘nvention relates to a centrifugal pump.
The invention herein shown constitutes a con
tinuation, in part, of my copending application
for Combination pressure tank and pump, ?led
of which the cage 3 is secured, said cage having
an end plate I supported by the base ?ange 5. _ '
‘ Mounted on the end plate 4 there is a centrifugal
pump 6 which embodies a pump casing l and an
February 26, 1945, under Serial No. 579,853. The 6 impeller. The impeller is ‘fastened to the shaft
9 of the motor.
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.
general subject matter of said pending applica
The pump casing ‘I is provided with side outlets
i0, ill through which the liquid, or other ?uid,
rounding housing with a suction inlet passage
may be discharged from the pump.
‘
way leading into the pump through the housing
from the source of liquid, with a nozzle leading. 10 There is a pump housing-1i i which is preferably
of a conical shape and whose large end has the
from within the housing and discharging into the
internal ?ange i2 therearound which is bolted to
passageway, said housing having a dischargeout
the end plate 4 around the pump so that the pump
let at the top thereof. ‘Said above described sub
will be completely enclosed by said housing.
Ject matter, is not claimed herein except in com
The housing II has a discharge outlet i3 near
bination with bailles around the inner wall of the 15
the large end thereof into which a discharge line
housing and provided with gates for the passage
may be connected. a
of gas, or air, to facilitate the exit of said gas,
As shown the apex of the conical shaped hous
or air, from the housing.
>
ing is internally threaded to receive the end of a
An object of the invention is-to provide a pump
suction line I4 which may be screwed therein.
of the character described specially designed for
Within the housing ii and screwed into said
pumping either liquid or a non-liquid fluid such
last mentioned end of the housing in alignment
as air or‘gas.
_
, '
~
tion includes a centrifugal pump located in a sur
Another object of the invention is to provide a
to the suction line H there is a tubular jet body‘
' it. A ‘Venturi tube i6 is located within the pres
pump of the centrifugal. type with a surrounding
housing, preferably cone shaped for maintaining 25 sure chamber i1 formed by said housing with one
end of ,saidVenturi tube connected into the in
the pump constantly submerged in liquid and
take of the pump and with the other end thereof
having a suction inlet passageway leading into
screwed into the inner end of the jet body.
the pump through the housing from the source
The Jet body has one or more passageways i8
of liquid, or other ?uid being pumped and having
a nozzle leading from within the housing and dis 30 therethrough through which the liquid or other ’
?uid'can ?ow from the intake pipe I 6 into the
charging into ‘said passageway, said housing hav
Venturi passageway through the tube l8 and the
ing a discharge ‘outlet at the top thereof.
jet body, has a side inlet passageway l9 through
It is a further object of the invention to ‘pro
which the liquid, under pressure, may pass from
vide a pump assembly or the character described
having a plurality of baiile rings spaced apart 35 the pressure chamber through the Jet body and
thence through the jet nozzle “into said Venturi
and extending around the inside wallof the hous
ing, said rings being interrupted at the top of- the
housing to provide gates for the passage of air, or
passageway.
-.
.
g
It is to be understood that the housing I i will at
all times be ?lled with liquid and this liquid will be,
gas, collected by the baiile rings, out to the dis
40 at all times, under pressure from the pump and
charge outlet of the housing.
the liquid under pressure. ?owing into the pas
Other objects and advantages will be apparent
sageway l9 and through the nozzle 20 into the
from the following speci?cation which is illus
Venturi passageway through the tube l8 will cre- ~
trated by the accompanying drawing, wherein
ate a suction therein thus drawing water from the
Figure 1 is a side view of the complete assembly
45 well to which the suction line H is connected or
shown partly in section.
. Figure 2 is a cross-sectional view taken on the
line 2-2 of Figure 1; and
g
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Figure 3 is a cross-sectional view taken on the
line 3-3 of Figure 1.
4
Referring now more particularly to the draw
ing wherein like numerals of reference designate
the same‘v parts in each of the ?gures, the numeral
drawing in liquid from another source oi! liquid to '
which said line may be connected or drawing in
?uid such as air through said suction line I‘.
Secured to the inside walls of the pump hous
50 ing are the arcuate bai'lie rings 2| which are spaced
apart from end to end 01' the housing and which
are interrupted at the top of the housing, as shown
in Figures 1 and 8, thus providing gates 22 for the
I designates a motor, preferably an electric motor,
passage 0! air or other similar v?uid.
which is supported on the stand 2 and to one end,
__ I: water. or similar liquid,.is being pumped the
,
2,403,586
, >
3
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,
housing H will be continuously ?lled with said
liquid so as to keep the pump submerged and air '
‘drawn in through the suction pipe will pass
through the pump and will be entrapped by said
baille rings and will travel around said rings to the
corresponding‘ gates and will move up along the
wall of the housing and be discharged out’ through
the discharge l3 so that air will not collect and
be recirculated‘through the pump to ~interfere
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4
.
connected into the pump intake, said pump hav
ing a discharge outlet into said chamber, baiiles
around the inner wall of the housing and spaced
apart and being interrupted at the upper part of
the housing to provide gates through the ba?ies.
and a nozzle arranged to discharge liquid, under .
pressure, from the pressure chamber into the
suction line.
'
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4. A pump assembly comprising, a housing hav
10 ing a discharge outlet and enclosing a pressure
‘ with the operation thereof.
Likewise if air or other similar ?uid is being
pumped the chamber I‘! will be ?lled with liquid
and air, or gas, will be drawn in through the suc
tion line l6 and discharged by the pump into the
chamber, a pump 'within the chamber, a suction
line leading from without the housing and con
nected into the pump intake said pump having a
discharge outlet into said chamber, bailies around
liquid in the chamber l1 and will be entrapped 1.5 the inner wall of the housing and spaced apart
and being interrupted at the upper part of, the
by the baiiles 2| and caused to travel around the
housing to provide gates through the battles, a.
housing wall to the outlet gates 22 and thence to
Venturi tube incorporated into the suction line
the discharge opening 13 so that the air or other
‘within said chamber and a nozzle at the outer
gaseous ?uid will not be recirculated through the
.20. end at said tube arranged to project liquid, un
der pressure, from said pressure chamber into
The drawing and description are illustrative
the stream ?owing through said tube.
merely while the broad principle of the invention
5. A pump assembly comprising a cone-shaped
will be de?ned by the appended claims.
housing having a discharge outlet, at the large
What I claim is:
, '
end thereof, and enclosing a pressure chamber. a
1. A pump assembly comprising, a housing
pump within the chamber, a suction line leading
having a discharge outlet and enclosing a pres
from without the housing and connected into the
sure‘ chamber, a pump within the chamber, a
pump intake, said pump having a discharge out
suction line leading from without the housing
let into said chamber, ba?ies around the inner
and connected into the pump intake, said pump
having a discharge outlet into said chamber, bai 30 wall oi'the housing and spaced apart and being
interrupted at the upper part of the housing to
?es around the inner wall of the housing and
pump-
,
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v
spaced apart and being interrupted at the upper
part of the housing to provide gates through the
bailles.
’
.
, provide gates through the baf?esa
6. Apump assembly comprising a. cone-shaped
housing having a discharge outlet, at ‘the large
2. A pump assembly comprising, a housing en
closing a pressure chamber and having a dis
end thereof, and enclosing a pressure chamber,
a pump within the chamber, a suction line lead
ing from without the housing and, connected into
charge outlet at the top 0! ‘the housing, a pump
the pump intake, said pump having a discharge
in‘ said chamber having an intake opening and a
outlet into said chamber, bailies around the in
discharge opening in said chamber, a suction line
ner wall oi’ the housing and spaced apart and
leading from the housing and entering the in
being interrupted at the upper part of the hous
take opening 01’ the pump, annular bai'?es around
ing to provide gates through the bames, a Ven
- the chamber walls and spaced apart and having
turi tube incorporated into the suction line and
gates at the top of the chamber to allow passage
located within said chamber and a nozzle at the
of entrapped air or "gaseous ?uid to said dis?
charge outlet. ‘
f
_
45 ' outer end of the tube arranged to project liquid,
‘under pressure, from the pressure chamber into
3. A pump assembly comprising, a housing
the stream ?owing through said tube.
having a discharge outlet and enclosing a pres
sure chamber, a pump within the chamber, a suc
tion line leading from without the housing and
ARTHUR P. aum'
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