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Патент USA US2404202

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Patented July 16, “1946
2,404,202
UNITED‘ STATE 52,404,202PATENT
OFFICE};
CQMBINED BILGE AND TANK‘W‘ASHER
AND JET PUMP’
. > Charles A. Winslow, Oakland, Calif. ,‘
.
‘Application master 11, 1944, Serial No: 567,754‘ ‘
2 Claims. (01. 103"—262)
This-invention relates to an improvement in a
hose line G, the latter being the ho’se'for' supply;
ing "the washing water discharged through the
combined bilge and tank washer and jet'pump. V
In the washing and bailing out of receptacles
and particularly'in the washing and bailing out
adjustabler'nozzle H.
'
4
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"T
'
,
Referring now to Fig. 2, it will beseen-that the
of the bilge from boats it is important that a small
main, unit embodies two’elementsQthe ?rst ‘being
compact structure be provided which will operate
somewhat in the form of a nipple as "indicated
either from a water service line, as when a boat
by reference character I’ and having the threaded
is in dock, or'from the water pump forming a
opening 2 and thelateral hose connectionlv3.v An
part of the power plant, of'the boat. This struc
extension 4 is axially arranged with respect‘ to‘th'e
ture must be'vcapable of' supplying an ample
threaded opening 2, this extension being formed
amount of water- for the‘washin‘g operation and 10 internally with the tapered jet opening 5 having
at the same time provide a jet pump assembly
the reduced tapered extremity to form: the'?uid
capable of discharging a maximum amount of
ejector when cooperating 'withlthe ‘second part of
?uid which may have accumulated ‘in the bilge
the assembly. The nippleil is "formed with the
or which may be deposited in the bilge as a result - '
15
of the washing operation. -
The present simple and inexpensive device is
reduced threaded portion-f5’ iand‘the shoulder? 6
by means of which the" internally threaded pipe
section‘! is connected therewith. The internally
capable of producing maximum jet pumping ac
tion and at the same time and without interfer
ence with the pumping operation is capable of
threaded opening 2 is provided to‘ receivev the
coupling member 8 of the hose connection 9, by
means of which the ?uid pressure supply line D
discharging a regulated supply of 1 water for a 20 is connected.
washing operation.
.
It will be noted that the coupling
member 9 is provided with lateral ears ill to facili
More speci?cally, the present invention com
tate the making and breaking of the joint be
prehends the use of a unit embodying two sepa
tween these parts.
The hose connection 3 re
rate elements which when assembled provides the
ceives the water discharge hose G and this hose
ejector pump structure and the water discharge 25 can be further secured by means of the clamp II,
for washing.
as shown in Fig. 1. The pipe element 1 is re
One of the primary objects of this invention is
duced to provide the restriction I2 immediately
to provide a device of the type described in which
forward of the jet nozzle l3 whereby the dis
the two units are so constructed that their manu
facture is possible without the use of special ma
iii
chinery or equipment, thus reducing the cost and
providing for replacements which can be utilized’
without special skill or equipment.
Reference will be had to the accompanying
_ drawing forming a part of this speci?cation and
wherein like characters of reference‘ designate
corresponding parts throughout the severalv views,
in which:
Fig. 1 is a transverse section through the body _
of a boat showing the present apparatus arranged
for use;
.
I
Fig.’ 2 is a longitudinal vertical section of the
assembled structure forming the essential parts
of the invention, and
Fig. 3 is a section illustrating the nozzle control
at the end of the wash pipe.
In illustrating this invention I have shown a
boat body A having the usual spaced ?oor or
decking B. The entire main structural unit of
the present invention is illustrated by reference
character C and to this unit is the connection
D forming the ?uid pressure line, the connection
charge of the nozzle creates suction in the pump
line E. This line E is illustrated as a hose section
and is secured in place by the hose clamp l4 shown
in Fig. l. The end of the suction, line or hose
section E carries the strainer element IS in the
usual manner, this strainer element preventing
the closing of the hose by spacing the extremity
of the same from the bottom of the tank or hull
and further straining the discharging bilge water
to prevent stoppage particularly at the restricted
neck I: of the structure. The outer end of the
pipe 1 is provided with a hose connection I6 for
receiving the discharge hose F and if desired this ‘
latter may be clamped in place by a hose clamp
such as shown at H or H.
.
The accumulating chamber I1 is shown as con
centric with the jet opening 5 and the threaded
ori?ce 2. vThis accumulative chamber is of such
capacity as to provide a ?ow both’through the
jet 5 and through the hose connection 3 which
latter is connected with the washing hose G.
It will be apparent from an examination of the
structure heretofore I‘ described that ( all of the
parts are generally of conventional commerical
design to facilitate manufacture, that the parts
accumulated ?uid e, the discharge line F and the 65 can be readily separated and replaced for clean
E representing the suction ‘line for removing the
2,404,202
3
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or repair, and'that by virtue of the structure
and arrangement of parts the size of the assem
bly is such as to permit convenient storage.
_It will be noted that the size of the jet is such ‘
that the entire ?ow from the water pressure line ‘f
D will not be necessary to insure efficient opera
1 ‘tion of the bilge suction line E. Rather the size
of the ‘jet 6 is Such as to build up a back pressure
4
chamber being formed with a lateral outlet con
nection, a ?exible conduit connected-to the lat
eral outlet connection, said conduit having a
valved nozzle at its free end for manual control
of the discharge of ?uid from the accumulator
chamber for proportioning the discharge through
Said nozzle and jet, and an angle pipeymember,
said angle pipe member having an internally
so that-?uid iszavailable fordischargethrough
‘threaded opening axially formed With‘ respect to
G is controlled or regulated by the valve H‘
shown‘ more clearly in Figure 3, and this valve‘?v
the threaded jet, :and including a restricted wall
the washing, line G; vThe end of vthe washing line ‘ 10 one of its arms for threaded engagement with
portion immediately forward of said jet.
2. Acombinedjet pump and washing appara
can be used to control not only-thelsupplyr, of. a v_ .
washing water but'also the amount of suction ~ Qtus-J-iricluding a jet element having a central
tubular body portion de?ning the outer wall of c
available at the nozzle I3.‘ It is important-Ito
an
accumulator chamber, an outwardly tapered
note that the ?ow through thebilge 'suction'flinef
can be made directly proportionateto. the dis: >- ietextendingaxiahy from one end of said tubu
charge through the-pipe G by manipulation of “ lar'body and communicating therewith, said jet
the valve H at the end of this line. Thi‘siiisrime, ._ '1 having-1 an outer threaded portion and an in
'portant in maintaining a ‘constant operation 20 wardly projecting annular shoulder de?ning one
end wallgof said; chamber,v said‘ chamber. being
when. desired and it is also important in that it
permits an‘increaseior decrease of the overboard‘
discharge as may be requiredyin numerous var
iable conditions. ‘
'
one skilled mine
It'will be further obvious to
artqthatrthe apparatus is capable of forming a‘
permanent dischargemechanism of any capacity
‘ ' and that this discharge ,‘may be so regulated asv
toucompensate for any, ?ow permitted through
the line G whereby-a constant pumping opera
formed ‘with an internally threadedxportion, an
inlet connection adapted for threaded engage
ment with said internally threaded portion and
25 having its end wall. de?ning the vother-end of
saidchamber, aelateral outlet connectionproject- V a
ing from said: chamber,;a flexible conduitinclud
ing a manuallyv regulated valve- connected with
said outlet, an angleupipe member having, an
internally threaded~.-opening' axially formed with
respect to one of its arms, for threaded engage..
ment with- said externally‘ threaded jet, saidarm
having, its passageway reduced medially to' co
1.:A combined jetpump and washing appa
operate with saidj.jet,_and the other arm of said
ratus including arjet element, said jet element
having a tapered outwardly threaded jet at one 35 angle being adapted for connectionwith a suc'e
tion is: available; I'claim:
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a
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end and an’ enlarged p‘ intake opening axially
formed at the other end, an accumulator cham
ber formed between’ said jetand saidinlet, said
tion intake connection.
' CHARLES» A. WINSLOW.
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