close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2412723

код для вставки
Dec. 17, 1946.
c. ELLIOTT
'
2,412,723
PUMP
Filed Aug. 20, 1945.
RR.
T
C. $152022‘
'
>
BY
'
INVENTOR.
'
,// /
/
,
r
,
Patented Dec. 17, 1946
2,412,723
vault
PATENT OFFICE
‘2,412,723
PUMP
Charlies" since, Carthage, Mo.
Application August 20, 1945, Serial No. 611,556
1
’
‘
‘ 3 claims.
(or. 103-241)
2
This. invention relates to pumps designed pri
marily for lifting fluids from wellsyone of the
objects being to utilize air under pressure as
theiorcing medium whilethe liquid inthe‘ well
other or upper end of the electrode is mounted
in a sealed cap l3 secured in the upper end of pipe
H. An out?ow arm i4 extends from the upper
portion of the pipe H and is controlledby an
serves as a means for controllingjcertain elec
exhaust valve 15 adapted to be operated elec
tric circuits, wherebythe proper actuation of‘ the
trically.
'
Another electrode i6 is supported within the
pipe l0 and is extended downwardly within cylin
_With the foregoinghand other objects in view
which will appear as the description proceeds,
der '1 to a point adjacent to the bottom thereof.
the invention consists of certain novel details of 10 This electrode, like the electrode I2, is covered
construction and combinations of partsherein
with insulation except at the lower or tip end.
after more fully described and pointed outin
The upper end of electrode I6 is soured within a '
sealing cap I? in the upper end of pipe 10 and
the claims, it being understood that changes
may be made in the construction and arrange
adjacent to this upper end said pipe is formed
pump, is effected.
‘
'
-
ment of parts without departing‘from the spirit 15 with an extension i8 leading‘ to an air com
pressor iii which has been indicated in diagram
'
‘
‘In the accompanying drawing, the complete
in the drawing and can be of any desired con
of the, invention as claimed.
apparatus has been shown in a single?gure
struction. An electrically operated intake valve
partly in section and partly in diagram, a por~
26 is mounted in theextension l8 and can be of
tion-being, broken away.
20 any suitable construction. Said extension is
Referring to the drawing, by characters of ref
also provided with a pressure regulator 2i of any
preferred construction.
erence, W designates a well?which canbbepro
vided with the usual casing land cap 2. _,EX—
The electrical circuit forming a part of the
tending through the cap and downwardly within
pump has been shown in diagram in the draw
the well, to a desired depth is an outflow; pipe, 3, 25 ing. It includes a lever 22 of insulating mate
which is normally closed by check, valve ll’ adapt- .‘1 rial which is held normally in one position by
spring 23. In the drawing this lever has been
ed", to permit the in?ow of liquid, butto prevent
return ?ow thereof. This ‘check valve can (be
shown in an intermediate position which it
removed from the pump through the outflow
would occupy only momentarily. The lever
carries the armature 24 of an electromagnet E5.
The lever also carries separate contacts 25 and
2? each extending toward ?xed contacts ar
ranged in pairs; the contacts of one pair being
indicated at 28 and 29 and the contacts of the
35 other pair being indicated at 30 and 3|. An
pipe for repair, if ‘necessary’. In the structure
illustrated, the‘ outflow ‘pipe’ is‘ provided, at “a
mint outside of the Well. with an air chamber
Band with ‘a pressurercontrolled switch 5, re
ceiving pressure, from the pipe. Switches of this
type are so well known that it has not been
deemed necessary to show or describe the same
in detail. It is merely necessary towstaterthlat
when the pressure in the pipe rises to ‘a prede
termined point, the switch will open but at other
other movable contact 32 is supported at the
opposite side of the lever 22 and is adapted, un
der certain conditions, to engage spaced con
tacts 33 and 34.
‘
times the switch will be closed.
One of the main leads of [the circuit has been
40
The lower portion of the outflow pipe 3 is
indicated at' 35 a'nd'is‘ electrically ‘connected
housed within a cylinder 1, the lower end of
through one side of‘ a transformer‘ 36 teens ter'—.
which is closed by a lift valve 8 adapted, to, close
minal of valve E5, to contact 3!, and meager
under downward pressure but to open under’ up
the terminals of the switch 6. Lead 35 is also
ward pressure. This lift valve or foot valve is 45
protected by a screen 9 secured to the lower end
of the cylinder and extending under theuvalve.
electrically connected to contact 313.
i
" a '
The other side of the transformer 36 has a
grounded terminal ‘and is an‘ electrically con
Opening into the upper end‘of the cylinder 1
nected to one terminal‘ of ‘the electromagnet '25.
is an air input pipel?, while an air outlet pipe
The other‘ terminal of the electromagnet is elec
II also opens into the upperportion of the cyl 50 trically connected to the contact 28 ‘and to the
inder. .Both of these pipes 101 and H extend
electrode l2.'
‘
‘
"
‘
r
"
'
through the cap 2 and tube “has an electrode
Contact 34 is electrically connected tothe sec
l2 supported therein and insulated‘ therefrom.
ond terminal of exhaust valve l5: bontactidis
The free end of this electrode 'isi'suspén'cled in
electricallyfc’onnected
toaeleotro‘de" 11 a‘ and con
the cylinder’? close ‘to the top thereof while the 55
‘
an
2,412,723
of the valve 20. The second terminal of the pres
way of the grounded cylinder, the ?rst named
sure control switch is electrically connected to
the other main lead of the circuit, indicated at 31.
It is to be understood that cylinder ‘I is to be
submerged in the liquid in the well where it will, '
?ll through the valve 8 which will open under
electrode and the ?uid therebetween, an elec
trically opened air exhaust valve in a circuit con
trolled by said means, air forcing means, a con
nection therefrom to the air in?ow pipe,~an elec
trically closed valve in said connection, said elec
pressure from below. The liquid in the cylinder
tromagnet being de-energized by the fall of ?uid
serves to close a, circuit between the cylinder or
from contact with both electrodes, and means
ground and the electrode l2, and this circuit is
maintained by electrode l6 and the cylinder or
released by the magnet when de-energized for
opening the exhaust valve and closing the valve
ground after the liquid leaves the electrode [2,
and until the liquid leaves electrode it. By thus
closing the circuit, the air intake valve 20 is actu
in said connection.
2. In a pump a cylinder to be suspended in ‘
.?uid to be displaced, said cylinder having a
valved intake at its lower end, an air inlet pipe
and an air out?ow‘pipe opening into the other
end of the cylinder, a ?uid out?ow pipe leading
alted so that air from the compressor thus is
admitted through the [pipe Ill and operates to ex
pell liquid through the out?ow pipe 3. When the
circuit is broken by the descent of water or other
?uid within the‘ cylinder, said circuit is main
tained due to the contact of the fluid ‘with the
cylinder '5 which, of course, is grounded through the pipe connections and therefore the electro
magnet remains energized {to keep the movable
from the cylinder and having a valved inlet ad- »
jacent to the inlet of the cylinder, an electrode
having an exposed end in the lower portion of
the cylinder, the?uid in the cylinder at and'above
the exposed end of the electrode constituting
means for grounding said electrode to the cylin
der, a second electrode having an exposed end in
‘contacts
the level in
of initial
the fluid
positions
drops below
until such
the electrode
time
the upper end of the cylinder for contact by the
i 6. At that time {the electrical connection be— 25 ?uid when the cylinder is full, an electromagnet
‘tween said electrode and the ground is broken
in circuit with the electrodes, means controlled
with the result that the electromagnet is de
by the electromagnet when energized for main
energized and the spring 23 acts to thrust lever
taining a grounded circuit through said magnet
.22 away from the electromagnet so that the cir
‘ by way of the grounded cylinder, the ?rst named
Icuit is closed between the contacts 33 and 343. 30 electrode and the ?uid therebetween, an elec
"This results in breaking the circuit to- {the valve
trically opened air exhaust valve in a circuit
‘20 so that air under pressure is shut oii‘ and at
controlled by said means, air forcing means, a
"the same time the circuit to the valve i5 is
connection therefrom to the air in?ow 'pipaan
closed so that said valve is opened and air can
electrically closed valve in said connection, said
electromagnet being de-energized by the fall of
vescape from the cylinder. Thus ?uid can again
:rise by its own weight within the cylinders 1 until
?uid from contact with both electrodes, and
(electrode i2 is contacted thereby, whereupon the
means released by the magnet when de-energized
foregoing operation will be repeated.
‘for opening the exhaust valve and closing the.
It will be obvious that when the pressure in the ' * valve in said connection, a' pressure control means
pipe 3 reaches the predetermined point, the 40 in communication with the ?uid out?ow pipe,
switch 6 will act to break the circuit and will
and means controlled thereby for de-energizing
the electromagnet.
remain at this pressure until water is drawn 011°
from the outflow pipe. The switch 6 is used to
3. In a pump a cylinder to be suspended in.
break the circuit when the pump is not in use.
The various electrically operated valves can be
of standard construction and for that reason
it has not been deemed necessary to‘ illustrate
or describe them in detail.
It is to be understood that an air vent 38
can'be extended from the cap 2 so as to allow
the ?uid [to rise freely within the well so as to
~ _ ?uid to be displaced, said cylinder having a valved
45 intake at its lower end, an air inlet pipe and an
air out?ow pipe opening into the other end of the
cylinder, a ?uid out?ow pipe leading from the
cylinder and having a valved inlet adjacent to
' '1 the inlet of the cylinder, an electrode having an
50 exposed end in the lower portion of the cylinder,
the ?uid in the cylinder at and above the ex
posed end of the electrode constituting means for
maintain the cylinder 1 submerged.
grounding said electrode to the cylinder, a sec
though it has been preferredheretofore to
1 ond electrode having an exposed end in the upper‘
place both electrodes in the .two air tubes, it is
to be understood that, if desired, both electrodes 55 end of the cylinder for contact by the ?uid when
the cylinder is full, an electromagnet in circuit
could be put in one tube only although their
with the electrodes, means controlledby the elec
relative lengths will be the same.
tromagnet when energized for maintaining a r
What is claimed is:
1. In a pump a cylinder to be suspended in
‘ grounded circuit through said magnet by way of
the grounded cylinder, the ?rst named electrode
and the ?uid therebetween, an electrically opened
air exhaust valve in acircuit controlled by said
means, air forcing means, a connection there-'
.?uid to be displaced, said cylinder having a valved
intake at its lower end, an air inlet pipe and an
air out?ow pipe opening into the other end of the,
cylinder, a ?uid over?ow pipe leading from the
cylinder and having a valved inletradjacent to
\ from to the air in?ow pipe, an electrically'closed
the inlet of the cylinder, an electrode having an 65
exposed end in the lower portion of the cylinder,
the ?uid in the cylinder at and above the exposed
valve in said connection, said electromagnet bell
ing de-energized by the fall of ?uidvfrom ‘contact
with both electrodes, and means released by the.
magnet when de-energized for opening'theex
' haust valve and closing the-valve in ‘said connec-i
end of the electrode constituting means for
grounding said electrode to the cylinder, a sec
ond electrode having an exposed end in the up 70 tion, said air pipes constituting housings'and.‘
supports for those portions of the electrodes out
per end of the cylinder for contact by the ?uid
side the cylinder, the electrodes being insulated
when the cylinder is full, an electromagnet in
circuit vwith the electrodes, means controlled by
the electromagnet when energized for maintain
ing a grounded circuit through said magnet by
from said air pipes‘;
'
> '.
.
V
’
T
CHARLES
‘
‘r 1.
ELLIOTT,
Документ
Категория
Без категории
Просмотров
0
Размер файла
422 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа