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Патент USA US3077172

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Feb. 12, 1963
Filed May 24, 1956
4 Sheets-Sheet 1
Feb. 12, 1963
Filed May 24, 1956
4 Sheets-Sheet 2
INTO/75g)’ ‘
Feb. 12, 1963
Filed May 24, 1956
4 Sheets-Sheet 4
\n\ §
Pu 4
Patented Feb. i2, 1953
pump cylinder ‘in has pivotally secured thereto at 16 a
connecting rod 17 which is reciprocated by means of the
conventional crank 18 and pin 19. Vibratory movement
is thus imparted to pump cylinder 10 along its axis to
‘3,077 ,162
‘Gordon Banerian, Sacramento, Cali?, assignor to Aeroiet
General Corporation, Azusa, Caiii, a corporation of
produce relative movement between same and the high
inertia piston therein. Any Well known mechanism might
Filed May 24, 1956, Ser. No. 587,096
2 Claims. (Cl. 103-—159)
just as well be employed for imparting the vibratory move
ment to accomplish the pumping action. The only open
ings into the shaftless pump cylinder 10 are the liquid
This invention relates to pumps and more particularly
to shaftless vibratory liquid pumps having no seals. An 10 inlet and outlet conduits. Ori?ce 2%} in longitudinal ridge
11 receives the inlet tubing 21 which is spiraled about the
object of the invention is to provide a pump that is adapt
pump cylinder in the manner clearly shown in FIGS. 1
able for use in the nuclear and chemical ?elds in that
and 2 of the drawings. This spiraling of the liquid inlet
‘there are no moving parts or seals that can leak to the
tubing permits the necessary‘ ?exing action which accom
The nuclear and chemical ?elds have developed a need 15 panies the rapid vibratory movement of the pump cylin
der induced by its actuating mechanism. Ori?ce 22 in
for a pumping mechanism for use in installations where
longitudinal ridge 12 has secured therein liquid outlet tub
?uids are pumped to high pressures. Further, the ?uids
ing 23, which is spiraled about the pump cylinder 10 in a
used are of a type that no known sealing mechanism will
manner similar to tubing 21 to permit ?exing thereof and
withstand without leaking. It is imperative that ?uid
leakage be completely eliminated because of the danger 20 insuring against fracture at the pump cylinder and liquid
supply connections. Obviously other means of disposing
in handling radioactive, toxic, corrosive or in?ammable
or bending the liquid inlet and outlet tubes might well be
employed as long as the necessary ?exing: thereof is per
The shaftless vibratory pump of the present invention
is a double acting displacement pump consisting of a cyl
inder, piston and-inlet and outlet valves. This pump dif 25 The interior o? longitudinal ridge 11 is drilled. to form
passage 24 connecting the liquid inlet ori?ce 20 with'the
Ife'rs ?rom conventional pumps ‘in that there are no seals
front inner end ofv pump chamber 13 through chamber
"-an‘d‘no shaft or connecting rod attached to the piston. To
inlet ori?ce 25. A second pump chamberinlet ori?ce 26
' accomplish the pumping action the cylinder is vibrated
' along its axis producing a relative motion between the cyl 3 - at the other end of apertured ridge 11 permits liquid ?ow
inder and free ?oating high inertia piston.
' the mass of ?uid as a pumping means or the reciprocating
0. into the rear inner end- of pump chamber 13.
One embodiment of the present invention is that the
* mass of ?uid contained in the cylinder is used in place of
the piston. Also, a rotor reciprocated about a completely
enclosed free ?oating stator accomplishes the necessary
relative movement between the parts and creates the ?uid 35
pumping action.
‘By using the inertia properties of the free ?oating piston,
valve 27 on seat or ori?ce 25 controls the ?ow of liquid
in a single direction, namely, into the front end. of pump
chamber 13. Check valve 28 similarly controls the flow
of ?uid into the rear end of pump chamber 13.
The interior of longitudinal ridge 12 is also opened a
29 to the outgoing liquid and similarly communicates with
the front end of the pump chamber by means of ori?ce
3i) and at the rear end by ori?ce 31. These pump cham
bers communicating liquid ori?ces are check valved at 32
' rotor about the stator, the desired pumping of dangerous
' fluids to ahigh pressure is permitted with relatively simple 40 and 33 to permit liquid ?ow in a single direction, namely
:‘ mechanical parts. Actually, the only additional ?uid con
' trol means are inlet and outlet check valves which can be
of the conventional reed type and which may be elimi
FIGS. 1 and 3 are essentially the same and the same nu
merals have been used in FIGS. 1 to 4.
In FIGS. 3 and 4,
the high inertia piston 14- has been omitted, and it is in
45 tended that the mass of liquid in the pump chamber will
high reverse flow loss coefficients can be used in place of
nat'ed if‘low e?iciency can be tolerated or ori?ces with
the check valves.
The foregoing and other features of the invention will
be better understood from the following description taken
largely compensate for the heavy free ?oating piston.
The high inertia piston 14 and/ or the mass of liquid in
pump chamber 13, upon rapid vibratory action of the
pump cylinder 10, tend to maintain a stationary position,
" in connection with the accompanying drawings of which: 50
and thus creates a relative movement between the cylinder
FIG. 1 is a section of the pump on the line 1-1 of
and piston upon a longitudinal axis that furnishes the
FIG. 2;
double acting displacement type liquid pumping action.
‘FIG. 2 is a section on the line 2—2 of FIG. 1;
Reciprocation in one direction induces liquid flow through
FIG. 3 is a section on the line 3-3 of FIG. 4, which is
the check valves into the low pressure side of the piston,
a modi?cation of the pump shown in FIG. 1;
55 and simultaneously discharges compressed liquid from
FIG. 4 is a section on the line 4-4 of FIG. 3;
the high pressure side of the piston through the check
FIG. 5 is a section of a series of pumps arranged in
series order;
‘FIG. 6 is a section of a series of pumps arranged in
parallel order;
FIG. 7 is a section on the line 7—7 of FIG. 9;
FIG. 8 is a fragmentary section on the line 8—8 of
FIG. 7; and
FIG. 9 is a section on the line 9-4’! of FIG. 7.
valves controlling the out?ow ori?ces.
There are no
seals, gaskets or leak proo?ng mechanism other than those
required to form the pump chamber. The pump obvi
60 ously is sel?-lubricating and there are no moving parts
to create friction.
FIGS. 5 and 6 illustrate the use of a number of the
inertia pumps of my invention. FIG. 5 shows a series
Referring to the drawings the simplest disclosure of my 65 arrangement of four pumps. FIG. 6 shows four pumps
in parallel arrangement. It will be appreciated that a
device is in FIGS. 1 and 2. A pump cylinder 10 cylin~
greater or lesser number of pumps can be used in either
drical in ?orm, except for the longitudinal ridges 11 and
combination. When the pumps are used in series combi
12, is constructed in a leakproof manner. Pump chamber
nation, higher pressure is obtained while the displace—
13 has slidably disposed therein a free ?oating high inertia
piston 14. Lubrication means for the piston 14 resides 70 ment remains the same as for an individual pump. In
entirely in the liquid passing through the pump. A boss 7 parallel combination, as shown in FIG. 6, the overall dis
placement is increascd while the pressure remains the
or lug 15 attached to or forming a part of the rear end of
same as for an individual pump.
The parallel arrange
ment has the advantage of requiring substantially fewer
check valves than other arrangements, which also effects
erate on the same principle of pumping. In this instance,
the stator 99 is equivalent to the free ?oating high inertia
piston of PEG. 1 and acts in substantially the same man
a considerable savings in cost.
ner. The leakproof rotori1tl0 completely surrounding
In FIG. 5, the series of pump chambers 10 are adapted 5 the stator is so constructed as to render any leakage of
to be actuated by a mechanism either the same or similar
liquid from the pump practically negligible. The rotor
to that shown in FIG. 1. Inasmuch as the multiple
can be formed of two inter?tting parts 101 and 102 which
pumps are actuated as a unit, the only ?exibility required
are connected by a leakproof method of construction.
in the liquid lines is that shown at 34, namely, coiling
The vibratory action of the cylinder 10 has been changed
of the liquid inlet tube 36 and coiling 37 of the liquid 10 to an oscillating movement of the rotor 100 which cre
outlet tube 38. Liquid inlet tube 36 provides dual liquid
ates relative motion between the rotor and stator similar
inlets 39 and 40 into the front end 41 and the rear end
to the relative motion between the cylindrical pump 10
42, respectively, of pump cylinder 10. Front liquid inlet
and its piston whether solid or a mass of liquid. The
39 is check valved at 43 and rear liquid inlet 40 is check
rotor 100 has a plurality of protuberances 101a extend
valved at 44. A check valve 45 in liquid outlet tube or 15 ing radially inwardly,’ and has multiple ?uid pump cham
conduit 46 connects the rear end 42 of the ?rst cylinder
bers 103 formed therein which are engaged by the small
with the front end 47 of second adjacent pump 10a.
free floating high inertia piston like heads or projections
Check valve 48 in outlet tube 49 connects with the front
104. Oscillation of the rotor about the stator creates va
end 41 of the ?rst pump with the rear end 50 of second
double action liquid displacement pumping action similar
pump 10a. Second pump 10a is connected to adjacent 20 to that heretofore described. Means for injecting the
third pump 10b by means of check valve 51 in liquid
liquid into the multiple pump chambers is provided ?rst
outlet tube 52. This permits liquid ?ow from the rear
by a spiraled inlet tube 105 which, because of its ?exible
end 50 of pump 10a to the front end 53 of pump 10b.
mounting, may easily withstand the oscillatory action of
Liquid ?ow from the front end 47 of pump 10a to the
the pump without fracture. Tube 105 delivers to a liquid
rear end 54 of pump 10b is accomplished through check 25 inlet 106 disposed centrally of rotor plate 101. From
valve 55 in short conduit 56. Liquid is pumped from the
inlet 106, liquid supply tubing 107 radiates therefrom,
. rear end 54 of pump 10b to the front end 57 of fourth
same being formed in the plate as clearly shown in FIG.
pump 10c through check valve 58 in tube 59. Liquid
7. Tubes 107 are bifurcated adjacent their delivery ends
?ow from the front end 53 of pump 10b to the rear end
108 and 109, respectively, and each bifurcattion is check
60 of pump 10c is pumped through check valve 61 in
valved at 110 and 111 to control the liquid inlet ?ow.
outlet tube 62. Fluid in rear end 60 is pumped through
Bifurcation 108 delivers into one side of one of the multi
check valve 63 in conduit 64 and thence into the main
ple pump chambers, and the other bifurcation 109 de
conduit 38. The ?uid in front end 57 is pumped through
livers into the opposite side of adjacent pump chamber.
check valve 65 in conduit 66 and thence into the main
The liquid outlet system is almost identical, and. bifur
conduit 38.
35 cated liquid outlet tubes 112 and 113 relieve alternate
The modi?cation of my invention shown in FIG. 6 is
pump chambers past outlet check valves 114 and 115 in
nothing more than a parallel arrangement of the same
said bifurcated tubes respectively. Radially disposed out
shaftless vibratory pump. The pump cylinder 10 and its
let conduits 116 formed in rotor plate 102 deliver centrally
?oatable high inertia piston 14 of FIG. 6 are vibrated by
at 117 to ?exible spiraled outlet tube 118. Any means for
suitable mechanism heretofore described. The parallel 4 O oscillating the vibratory pump may be provided and may
pumping unit has a liquid inlet tube 67 coiled at 68 for
assume the shape as shown in FIG. 9, such as a spider
?exibility. The liquid outlet conduit 69 for the multiple
130 welded to the rotor plate 101 and extending outwardly.
pumps also has ?exible coils 70 for the same purpose. In
A shaft 131 is ?xedly attached to the spider 130. A similar
this arrangement, the liquid conduit 67 is bifurcated at 71
spider 132 and shaft 133 are attached to the rotor plate
and the dual parallel liquid inlet pipes 72 and 73 are
102. In the lower portion of the rotor plate 101 as
check valved at 74 and 75, respectively. Pump 10 has
shown in FIG. 7, a movable link 136 is rotatably at
liquid inlets from the main parallel tubes entering the
tached to the pin 135 that in turn is ?xedly attached to the
rear of the pump at 76 and at the front at 77. Similar
rotor plate 101. The eccentric 137 has a pin 138 ?xedly
inlet members '78 and 79 enter the rear end 80 and the
attached thereon to which the movable link 136 is con
front end 81 of pump 10a. Also, conduits 82 and 33 50 nected. An electric motor (not shown) may be attached
provide liquid admission to the rear and front ends of
to the central pin 139 of the eccentric 137 to rotate the
shaftless vibratory pump 10b. The ends of the main inlet
eccentric at a uniform speed. In conventional manner the
fuel tubes enter the rear of the multiple pump 10c at 84
eccentric and link arrangement on the reciprocatory pump
and the front at 85.
will cause the pump to oscillate at a uniform rate.
Dual liquid outlet conduits 86 and 87 relieve pump 10 CAt U!
The only difference in the modi?cations of FIGS. 7,
at the rear and front by means of conduits 88 and 89.
8 and 9 and the other ?gures is in the actual makeup of
Vibratory pump 10a has tubes 90 and 91 providing liquid
the simple parts, and the device operates upon the same
outlets from the rear and front thereof. Tubes 92 and 93
principle and in essentially the same manner.
from the rear and front of multiple pump 10b empty into
Essentially, although requiring a most detailed explana
the main liquid outlet. Finally, the conduits 94 and 95', 60 tion to describe the mechanical elements, their arrange
respectively, from the rear and front of pump 10c empty
ment and advantages, there is shown a relatively simple,
into the parallel liquid tubes 86 and 87. Check valves 96
and 97 adjacent the bifurcated section 98 of the outlet
vibrated, oscillated or reciprocated pump having a rela
tive motion transmitting action with respect to its free
?oating high inertia piston that produces a positive high
tube 69 control the liquid exit from the multiple pumping
system. Displacement of the liquid by the double action GD 01 pressure pumping action. This is a much desired and
pumping movement created by the free ?oating high
needed device, in view of the fact that the pump is self
inertia piston and the vibrated cylinder induces continu
lubricating, completely without seals and devoid of actuat~
ing shafts.
ous liquid ?ow into each pump simultaneously rather
than progressively as shown in FIG. 5, and the discharge
The mechanism is simple and lends itself to other highly
from the multiple pumps is also simultaneous into the 70 desirable construction accomplishing exactly the same
dual parallel outlet conduits controlled by the check
results, but it is believed that the detail of disclosure and
valves in the bifurcated section thereof.
description herein is entirely su?icient to support the
Referring now to FIGS. 7, 8 and 9 of the drawings,
claimed invention as indicated by the supporting claims.
there is shown a somewhat different arrangement of
I claim:
shaftless vibratory pump parts, but which nevertheless op 75 1. A pump comprising: a housing, a cylindrical stator
rotatably received by the said housing, a plurality of pro
jections extending radially outwardly from said stator, a
plurality of protuberances extending radially inwardly
from said housing and positioned between and in spaced
relation to said stator projections, said housing having a
plurality of inlets and outlets positioned between said
projections and protuberances, a plurality of check valves
received by said housing inlets and outlets, a ?rst conduit
means interconnected to said housing inlets, a second con
duit means interconnected to said housing outlets, and 10
a means for oscillating the housing for causing a double
acting displacement pumping action.
2. A pump comprising: a housing, a cylindrical stator
rotatahly received by the said housing, a plurality of tooth~
like projections extending radially outwardly on said 15
stator being in spaced relation from each other, said hous
ing having a plurality of slots therein each receiving one
or more stator projections, said projections having a length
shorter than the length of said slots, said projections being
in sealing engagement with the said housing slots, said 20
housing having a plurality of inlets and outlets positioned
between said projections and said housing slots, a plurality
of check valves received by said housing inlets and outlets,
a ?rst conduit means interconnected to said housing inlets,
a second conduit means interconnected to said housing out
lets, and a means for operating the housing for causing a
double acting displacement pumping action.
References Cited in the ?le of this patent
Poston _______________ __ Aug. 6, 1867
Pontallie _____________ __ Oct. 16, 1888
Schirmer _____________ __ Oct. 14, 1902
Costephens et al _______ __ Mar. 23, 1909
Braselton et al _________ __ Nov. 17, 1931
West _________________ __ Apr. 24, 1934
Austria ___________________ __ of 1901
Norway ______________ _.. Oct. 23, 1954
Germany ____________ _._ May 18, 1914
Seilliere ______________ __ Oct. 29,
Archer _______________ __ May 12,
Broeze et a1 ___________ __ Nov. 26,
Dolz ________________ __ June 17,
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