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Патент USA US2065926

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Dec. 29, 1936.
G. K. PARKER
' 2,065,926
METHOD AND APPARATUS FOR PUMPING FLUIDS
Original Filed Oct. 22, 1934
Sheets-Sheet l
INVENTOR.
dunfa W Wm
$73M 4v
.
A TTORN YS.
2,065,926l
Patented Dec. 29, 1936
STATES
ATLEN‘T’ oFFPCE
2,065,926
METHOD AND APPARATUS FOR PUMPING
FLUIDS
'
George K. Parker, Escalon, Calif.
Application October 22, 1934, Serial No. ‘749,404
Renewed May 9, 1936
17 Claims. (Cl. 103—75)
This invention relates to a method and appa
ratus for pumping ?uids.
The object of the present invention is to pro
vide a method and apparatus for pumping fluids
5 whereby the ?uid body being pumped is counter
balanced. Inertial movement of the ?uid body
is utilized to induce ?ow of an additional volume
of ?uid into said body and surges in the ?uid
body are employed to assist the movement of a
10 piston or a similar driving element when the
pump is operating.
Apparatus whereby the method of pumping
may be accomplished is shown by way of illus
tration in the accompanying drawings, in which:
15
Fig. 1 is a diagrammatic view showing one
a rod H].
Two inlet valves I! and I2 are pro
vided and similarly two exhaust or discharge
valves l3 and M.
In actual operation, let it be assumed that
movement of the piston 1i in the direction of
arrow a will accelerate the body of ?uid in con—
duit A in an upward direction and the body of
fluid in conduit B in a downward direction, and
that said accelerating movements are simulta
neous. In that case the piston travel will be the
accelerating distance‘ and it also must be as
sumed that this distance is equal to the de
accelerating distance of the bodies in the conduits
A and B.
’
When the piston stops, the acceleration of the
form of apparatus whereby the pumping of ?uids bodies A and B will cease but both bodies will
may be accomplished.
continue to travel due to inertia, but deaaccelera
Fig. 2 is a diagrammatic View showing another tion will immediately commence the moment
form of apparatus whereby pumping may be movement of the piston ceases. The body A will,‘
20 accomplished.
during inertial or de-accelerating movement,
Fig. 3 is a diagrammatic view showing another 'continue to flow upward. Fluid in’ the conduit
form of apparatus.
B will impinge against the piston which is at
Fig. 4 is a side elevation of the cam drive em
rest and will reverse its intial'direction and also
ployed in conjunction with the pumping appa
ratus shown in Fig. 3.
?ow upward so that while (lo-accelerating, both
bodies A and B are simultaneously flowing up
ward with diminishing velocity away from the
Fig. 5 is a horizontal section of the cam drive
shown in Fig. 1.
Referring ‘to the drawings in detail and par
ticularly Fig. 1, A indicates a pumping conduit
:.0 and B a balancing conduit. The conduits are
connected at their lower ends by a cylinder 2
and at their upper ends by a tank or reservoir
3 which serves to maintain the conduits com
pletely ?lled with water or other ?uid, and which
‘5 also functions as an over?ow or discharge for the
?uid being pumped.
Both conduits and the bodies of ?uid con
strained therein are in communication with the
cylinder 2 but are divided or separated with
40 relation to each other by a piston A which is
driven by an engine generally indicated at C in
a manner hereinafter to be described. Conduit
A extends as indicated at 5 below the cylinder
2 into a source of supply, such as shown at 6,
4;, the source of supply being the water or other
fluid to be pumped or elevated to the tank 3. A
check valve 2'' is mounted in the extension 5 and
functions in the usual manner; that is, it auto
matically opens when suction is applied and
conversely closes when subjected to pressure.
The engine indicate at C may be driven by
any suitable ?uid medium under pressure, such
piston for a period of time and through a dis
tance required by the force of gravity to bring
the bodies at rest.
‘
While both bodies simultaneously or substan
upward direction, a partial vacuum is formed
at each side of the piston. During this period,
the piston is substantially in static equilibrium
and while in this state may be readily returned to 35
its starting point, thus completing one’cycle of
operation, providing that the accelerating and
return travelvoij‘ the piston are each equal to
the ole-accelerating distance of the bodies A and
B. The accelerating time for the piston being 40
governed arti?cially by the engine C may be as
desired but the return movement of the piston
must be in phase with body B de-accelerating,
and this is governed by the force of gravity.
Hence, it is essential that the piston, while re 45
turning, should closely follow body B while de
accelerating in an upward direction.‘
The inertial displacement of both de-accele
rating bodies is concentrated on the side of the
piston indicated at to, and this space will accord
ingly be automatically ?lled from the source of
It consists of a cylinder 8 in
supply indicated at 5 due} to the suction action:
produced. Hence, charging, occurs during de
which is mounted a piston 9, this piston being
‘connected with the pump piston 4 by means of
pumping equal in volume to the combined inertial
as air, steam, etc.
30
tially so are de-accelerating and traveling in an
acceleration of the bodies and discharging or
v2,
.
2,065,926 ;
displacement of bodies A and B during the accel
erating movement of the piston in the direction
.
ingly open‘ admitting ?uid to the conduit B. The
balanced valve 22 remains closed until the piston
starts forward in the direction‘of arrow 0.
7 of arrow a.
The. travel of the piston’
the direction of
arrow a commences from the position shown in '
7 full lines in Fig. lvrwhere the piston is at rest.
The movement is thus slow to commence'with
V V but'the speed ‘is graduallyiaccelerated until the
piston reaches its maximum speed at the end
of the stroke. For this reason, the inlet valve
I2 is controlled so that‘the movement of the
At
that .moment it opens and. accelerating‘movei
ment'is again imparted to the bodiesiA and B
in the directions'previously described, 'and- when
the piston reaches the end of its accelerating :
stroke, valve 22 closes and the cycle-of opera
tion is repeated.-
,
--
'
I
.
7, '
Inasmuchas the opening and closing of the
valve 22 must be‘synchronousyw'ithrthe move»
ment of the pi’ston74c, any'suitable means oper- "
vpistons 9 and 4 will bean accelerating move
ment with 'maximum speed at the end of ‘the ‘able from the engineC may be employed. for’ V _
stroke. .The'return stroke takes place'during .7 alternately energizing the magnets. 23 and‘ 24 so
that the valve '22 is opened and closed at the 15
15 the upward de-accelerating movement of the
'
>
V
‘
r
body B and as this movement is rapid; valve proper time periods.
I I will be fully opened so as toreturn the piston V . In the structure shown in Fig. 3, therconduits
as ‘quickly as possible, thermovement, however, ' are again illustrated at A and B. They’ are ..
connected at their lower ends by a cylinder 25
being in phase with thede-accelerating _move
’
mounted a piston 25. The upper
20 ment. The exhaust valve 13 is ‘open when valve in which is
I2'is open and conversely exhaust valve I4 is
open when the inlet valve’ I l is open; The ex
haust valves may be fully. opened during each
7 1 stroke of the piston'so as to reduce resistance.
25 to a minimum but valves H and (2 maybe
gradually and then fully opened to produce the
ends of the conduits are connected by a‘ tank or
reservoir‘ 21 and the lower ends of the conduits
are both extended, as shown at 28' and 29, into
the source of supply shown at 30. Check valves‘ . .
are mounted in these extensions as shown at 3l~
and 32 and these function as willv hereinafter .
' be described. The piston 26 is secured to a rod
piston movement desired. .
r r
' :The operation of the form of apparatus shown ' 33. This extends completely through the cyl-v
inder so as to give equal capacity on opposite
in Fig. 2 is substantiallythe same. The con
sides of thepiston.’ The piston rod is in this
the driving piston indicated at his mounted ; instance cam‘ driven. Apair of cams'are em
3.9; struction is different. The, cylinder containing
at theupper end of the conduit B and so is the
7
. driving; enginej indicated at C_.
The upper ends '
of, the conduits A and B are connected by a pipe
; l5'in' which is mounted a check valve I5. The
lower ends of the conduits are connected by a
pipe I‘! and both conduits are extended below
the pipe H, as shown at l8 and I9, and'the ex
tensions areprovided' with check valves20‘ and
in a yoke so as to straddle the shaft. Cross
heads 31 and 38 areyhowever, secured to the rod
on oppositesides of the‘yoke and these are-pro- '
vided with rollers which engage the respective,
cams, these rollers being arranged in pairs'and
It should also be noted that a balanced being indicated at 40—40 and 4|—'4I.
40
valve is placed at the point indicated at 22 and
The shaft 36 is‘driven in-any suitable manner,’
that this is actuated by means of a pair of and during such rotation, it should be assumed
magnets 23 and 2,4. The stem of the valve ex? that the cams engage the rollers 4|. If that is
49
tends through the magnets. When the magnet
V
ployed as shownatj34 and 35-. "These. are 'of
identical shape and are secured to a common
drive shaft 36. The piston rod 33 terminates
the case, movement will be imparted to the rod
24 is'energized, the valve is moved in the direc-'
33 and the piston 26 in the direction of arrow- a.
tion of arrow Tb and is opened, and when the
" magnet, 23
energized, the valve is moved- in
the direction Opposite to .the arrow b and is
This movement will be an accelerating move
ment; thatis, the piston will move from a point
of rest to the opposite end of its strokerand the
movement will -be an accelerating movement
closed. The operation will be as follows:
' vWhen the piston 40 is moved by‘the' engine
in ,the direction of arrow 0, check valve1|6 will
close. Body B will move in a downward direc
' tionand as the valve 22 is open, there will be
50'.
‘ a_ ?ow through the pipe l1 and there will also
reachingits maximum speed at the opposite’ end 50
of the stroke, Accelerating movement is thus. I ,
imparted to the ‘fluid in the conduit A in an 'up-~
ward direction and to the ?uid-in the conduit B
in a downward direction. The ?uid in conduit'B
will impinge against the piston when it comes 55'.
bea flow in an upwardv direction in the conduit
A. At'the end ofv the stroke of the piston 40, , to rest and the ?ow will reverse, causing a slight
valve 22 isclosed by the action of magnet 23. ‘suction action which opens the check valve 32.
Column A will continue'moving due to the mo--' and thereby admits an additionalvolume of fluid
tionimparted to it by piston 40 in column B, from the source of supply. The ?uid inrconduit
and a lower pressure areais created in‘ the A continues to move and, as previously described, 60
passage l1 and around the valve 2|, causing the in an upward vdirection by inertial movement 1,
same to'open and liquid will accordingly be ad
which is a de-accelerating movement, and during
mitted. The downwardly moving liquid in this period, check valve 3| opens and an addi
column B rebounds the moment valve 22 closes tional supplyisinduced through the check valve.
and there is an‘upward surging movement in
. The moment the fluid in conduit A‘ comes to 65
column B. Column B is-in communication with rest, it settles or resurgesand strikes’ the piston
pipe I!) and‘ as there will be a reduced pressure with an, impact of. considerable force, this force
area-producedtherein due to'the upwardly surg
being utilized to start movement of the piston
ing. movement in 'column'B liquid will be ad
when it isrreturned to its original‘ position shown
mitted.
"7Y0"-
.
'
'
Y
..
"
c
-
‘
'
I
' >--.Dur1ng thedefaccelerating movement of body
B, p1ston4c is returned and the cycle of opera-'
at 26 in Fig. 3. .The cams are at the same time
timed so that they will engage the rollers “~48;
and as the cams are shaped to produce an ac-
tion is completed. The'movement. of the piston. celerating movement, the movement started'by:
is_rapid and in phase with the de-accelerating impact action is accelerated and the 7 piston‘
Y; movement and the check valveil? willfaccordé' ‘reaches its maximum speed when the end of the c
2,065,926
stroke is attained.
The accelerating movement ‘ ergy of inertial movement of one of the bodies
conduits in the direction opposite to that previ
ously described and the same cycles of operation
to induce an additional volume of ?uid into
that body and the resultant energy of inertial
movement of the other body to reverse its ini
will take place but in a reverse order to that
tial direction of ?ow.
just described, and when body 'B resurges, the
piston will again receive an impact blow which
5. A method of pumping ?uids which’ con
sists of maintainingtwo constrained bodies of
?uid balanced in relation to each other, placing
a displacement means in said bodies, moving
the displacement‘ means and the bodies of ?uid
in one direction a predetermined distance, uti
lizing the resultant energy of inertial movement
is thus imparted to the bodies of ?uid in the
starts it moving in the direction of arrow 0..
Hence, both conduits are in this instance used as
10. pumping conduits and the resurging movement
of the ?uid in the conduits is employed to initi
ate and assist in imparting movement to the
piston.
'
From the foregoing it should be apparent that
a method of pumping ?uids has been developed
whereby a body of ?uid being pumped or ele
vated will ?rst of all, be counterbalanced. Sec
ondly, inertial movement of the ?uid in the con
duits is utilized to induce the ?ow of an addi
20 tional volume of ?uid into said conduits and re
surges in the ?uid bodies are employed to initiate
'
'
of one of the bodies to induce an additional
volume of ?uid into that body and the resul
tant energy of inertial movement of the other 15
body to reverse the direction of initial move
ment thereof, and returning the displacement
means to its initial position during the inertial
movement of the bodies to induce a second addi
20.
tional volume of ?uid into the bodies.
6. An apparatus for pumping ?uids compris
and assist movement of the piston or a similar
ing a conduit containing a ?uid, said conduit
driving element when the pump is operating.
In view of the fact that the method is capable
25 of employing a variety of forms of apparatus,
diagrammatic illustration has been resorted to
being connected at one end with a source or"
and while other features have been more or less
speci?cally described and illustrated, I wish it
understood that various changes may be re
30 sorted to within the scope of the appended
claims. Similarly, that the materials and ?nish
of the several parts employed may be such as
the manufacturer may vdecide, or varying condi
tions or uses may demand.
35
Having thus described my invention, what I
claim and desire to secure by Letters Patent is:
1. A method of pumping ?uids which consists
in maintaining a constrained body of ?uid, im
parting a gradual accelerating movement to said
40 body of ?uid in one direction which reaches a
maximum at the end of the movement and uti
lizing the resultant energy of inertial movement
of said body of ?uid to induce an additional vol
ume of ?uid into the said body of ?uid.
2. A method of pumping ?uids which consists
45.
in maintaining a constrained body of ?uid, plac
ing a driving member in said body, applying en
ergy to move the driving member and the body
of ?uid in one direction a predetermined dis
50' tance,
said movement being an accelerating
movement and reaching maximum speed at the
end of the movement, and utilizing the resultant}
energy of inertial movement of the body of ?uid
to induce an additional volume of ?uid into the
55
body.
'
3. A method of pumping ?uids which consists
in maintaining a constrained body of ?uid, plac
ing a driving member in said body, applying en-v
ergy to move the driving member and the body
60 of ?uid in one direction a predetermined dis
tance, utilizing the resultant energy of inertial
movement of the body of ?uid to ‘induce an ad
ditional volume of ?uid into the body, and re
turning the driving member to its initial posi
65 tion during said inertial movement of the body
to induce a second additional volume of ?uid
into the body.
4. A method of pumping ?uids which consists
of maintaining two constrained bodies of ?uidv
balanced in relation to each other, imparting
movement in the same direction to said bodies
said movement being an accelerating movement
and reaching maximum speed at the end of
75 the movement, and utilizing the resultant en
?uid supply, a check valve in said connection,
and means for imparting movement to the ?uid 25:
in the conduit in one direction, said movement
being an accelerating movement and reaching
maximum speed at the end of the movement,
said means operating intermittently to permit
inertial movement of the ?uid in the conduit so
that the inertial movement of the ?uid will pro
duce a suction to open theicheck valve and in- ‘
duce ?ow of fluid from the source of supply
into the conduit.
'
'7. An apparatus for pumping ?uids compris
ing a conduit containing a ?uid, said conduit
being connected at one end with a source of
?uid supply, a check valve in said connection,
a cylinder in communication with the conduit
on the effluent side of the check valve, and a 40
piston in said cylinder for imparting move
ment to the ?uid in the conduit in one» direction,
said movement being an accelerating movement
and reaching maximum speed at the end of
the movement, said piston operating intermit
45
tently to permit inertial movement of the ?uid
in the conduit while the piston remains at rest
‘so that the inertial movement of the ?uid will
produce a suction to open the check valve and
induce a ?ow of ?uid from the source of sup
50
ply into the conduit.
8. An apparatus for pumping ?uids compris
ing a conduit containing a ?uid, said conduit
being conected at one end with a source of ?uid
supply, a check valve in said connection, a cyl
inder in communication with the conduit on
the e?luent side of they check valve, a piston
in said cylinder, means for imparting an accel
erating movement to the piston and the ?uid in
the conduit in one direction and abruptly bring 60
the piston to rest at the end of the stroke when
the accelerating movement reaches a predeter
mined maximum speed so as to permit inertial
movement of the ?uid in the conduit so that a
suction will be produced to open the check valve 65
and induce ?ow of fluid from the source of
supply into the conduit.
9. An apparatus for pumping ?uids compris
ing a conduit containing a ?uid, said conduit
being connected at one end with a source of ?uid
supply, a (check valve in’ said connection, a
cylinder in communication with the conduit‘
on the effluent side of the check valve, 2. piston
in said cylinder, means for imparting an ac
celerating movement to the piston andthe ?uid
2,065,926
in the conduit in one direction and abruptly ' ?uid supply, a' check valve; in? each connection, -
bring the piston to rest at the end of the stroke
when the accelerating movement reaches a pre
7 determined maximum speed so as to permit iner
, ,tial movement of the ?uid in the, conduit so that
' a. ‘suction ‘will ,be produced to open the check
a cylinder connecting theicon'duits on the ‘e?iu- i
ent side of the check valves, a’ piston in,‘ said
cylinder, and means. for imparting a gradual,
accelerating stroke to the piston in each direc
tion followed bya period of rest at the end 01"
each, stroke; the speed of the ‘piston reaching.
of supply into 'the conduit, and means fortre - maximum at the end- of? each stroke.
turning the piston to its initial position during’ } ~ 14. An apparatus-‘forpumping ?uids'compris
10$ saidinertial movement of the ?uid in the con
ingr'a pair of conduits» containing a ?uidgand 10*
duit sot that an additionalsuction“action is pro
.balanced with relation-to-each other, a connec-,
duced to induce further ?ow from the source tion between eachconduit and a source of ?uid
of supply into the conduit;
7
supply, a check valve in each connection, arcyl
valveand ‘induce ?ow of ?uid from the source
;
'10. An apparatus for pumping ?uids compris
15'. ing a pair of conduits containing a‘ ?uid and
balanced with relation to each other, one of said
inder connecting the conduits on the’ e?luent ‘
,
side of the check‘valves, a piston in said’ cylin 15‘
der, and means for: imparting'a gradual accel
conduits being connected with a source of ?uid ~ erating stroke to the piston in each direction
' supply, a check valve in-said connection, a cyl
followed by a period of restatthe-end of each‘
inder connecting the conduits on the e?luent
of the ‘check valves, a piston disposed in said
:20‘1 side
cylinder, means for imparting an accelerating
stroke, the speed ‘of the piston, reaching maxi
7 mumlat the end of each strokewhereby a re
20;
surging movement of the-?uid‘in the conduits ,
' ,movement to the piston and the ?uid'in the
alternately‘ takes place and imparts an impact
conduits in one direction and abruptly bringing blow against the piston to start the piston mov
the piston to a rest at the’end of its stroke when ing at the commencement of each stroke,
25,: the accelerating movement of ‘the piston reaches
15. An apparatus for pumping ?uids compris
a predetermined-maximum' speed so as to. per
mit inertial movement, of the .V?uid in the con
balancediwith relation to each other, a conneci
,duits, said inertial movement of the ?uid in
tion between each conduit and a source of ?uid?
‘one producing a suction to open; the a check
30 valve ‘and to‘produce flow of ?uid from the
inder? connecting the conduits’ ‘on the e?luent'
source
111.’ An
of apparatus
supply into
forsaid
pumping
conduit.
?uids compris
'
ing a pair‘of conduits containing a ?uid and ‘bal
anced with relationto each other, one of said
25v 1
ing a pair’ of conduits containing a ?uid and ;
supply, a check valve in each connectionra cyl
7 side of the check valves, a' piston in said cylin
der, means for imparting ?rst a ?uidimpact'»,
and then a gradual accelerating movement to'
the'piston'inone directionand bringing the pis
conduits being connected with a' source of ?uid 1 _ ton to an abrupt stop‘and to rest at the end of
supply, 'a check' valve in said connection,’ a'cyl
inder connecting the conduits'on the effluent side
of the check valves,~ a piston disposed in said
cylinder, means for imparting an accelerating
'movement to the piston and the ?uid in, the
conduits in one direction and abruptly bringing
the piston to a rest at the end of its stroke
when the accelerating movement of the piston
reaches'a predetermined maximum speed so as
45: to permit inertial movement of the ?uid in one
conduit, to induce a ?ow of ?uid through the
check valve into said conduit and the resultant
inertial movement of the‘?uid in the other con
iduit to impact the piston and reverse the flow
of thej?uid.
:
r
'
a
12. An apparatus for pumping ?uids; com
prising a pair of'conduits'containing a ?uid and ,
balanced with relation to each other, one of
tion and bringing the piston to an abrupt stop
and to rest at the end of the stroke when the‘
maximum speed is reached.‘
'
l
-
16.‘ In a pumping system employing a pair of
conduits ‘?lled with a ?uid in‘which the conduits
are connected by a cylinder’ to balance the ?uid
in the‘ conduits and in which the ?uid is main
ing movement to the piston and the ?uid in the
conduits in one direction and abruptly bringing
45"
tained in continuous oscillation in the conduits'
by a piston reciprocably ,mounted in the" cylin
der, a method of driving» the piston and for in-'
ducing theg?ow of an ‘additional H volume inter
mittently into each, conduit, which consists in
starting the movement of the piston in each di
rection by, an impact blow alternately imparted
to the piston by resurging movement in each I '
said conduits being connected with a source of
conduit, imparting a, gradual acceleratinggmove
55 ?uid supply, a check valve in said connection, a 7 ment to the piston in each direction after it has
cylinder connecting theconduits on the e?luent
side of the check valves, a piston disposed in
said cylinder, means for imparting'an accelerat
357
the stroke when maximum speed, is ‘reached and
thenarsecond ?uid impact followed by agradual
accelerating movement in‘ the opposite direc
beenstarted‘ by'an impact blow,‘ bringing the
56"
piston to an abrupt stop at the end of the stroke 7
when theaccelerating movement reaches a max¢
imum speed, and intermittently utilizing inertial
movement of the ?uid in the respective conduits 60
to induce the flow 01' an additional ‘volume of
the piston to a rest at the end of its stroke when
the accelerating movement of the piston reaches , ?uid into said conduits from a source'of, supply.
"a predetermined maximum speed so as to per
1'7. In a pumping system employing two'con
mit inertial movement of the ?uid in one of the strained bodies of ,?uid, each body beingv con
65 conduits to induce a ?ow of ?uid through the ‘nectedwith a source of supplyyand also con
check valve into said conduit‘andthe resultant nected with each other by, a communicating
inertial movement of the ?uid in the other, con-'- " cylinder adapted to balance the bodies and in
' duit to impact the piston and reverse the ?ow of
the ?uid, andrmeans returning the piston to its
70‘ initial positionduring the period of reverse ?ow
V in the last-named conduit.‘
which the bodies are maintained incontinuous
oscillation by a, piston reciprocably mounted in I
the cylinder, amethod of driving the piston and
for inducing the ?ow 0t an additional volume r
' '13; ,An apparatus for pumping ?uidsicompris i of ?uid intermittently. into each body which con?
ing a pair of conduits containinga ?uid and sists in starting the movement of the piston in
balanced with relation to each other, a con
each directionby an impact blow alternately im- ,
nection between each conduit and a source of
partedto the piston by aresurging movement 75,
t
2,065,926
of each body, imparting a gradual accelerating
movement to the piston in each direction after
it has been started by an impact blow, bringing
the piston to an abrupt stop at the end of the
stroke when the accelerating movement reaches
a maximum speed, and intermittently utilizing
5
the energy of the inertial movement of each body
of ?uid respectively to induce the ?ow of an’
additional volume of ?uid into the said bodies
from a source of supply.
GEORGE K. PARKER.
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