~ _ 1,519,670
Patented Deo. 16,1924. i e
_UNITED NSTATES
PATENT OFFICE. i
HANS E. DANSTRUP, 0F BROOKLYN. NEW YORK. ASSIGNOR OF ONE-HALF TO JOSEPH
HARRISON. OF BROOKLYN, NEW YORK.
VALVE.
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original application filed october 11, 1922, serial No. 593,845. Divided and this application mod April 11,
1923.l
To «ZZ whom ¿t may concern:
serial No. 631,309.
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is disposed at the outer side _of valve 18,‘and
Be it known that I, HANS EDANsTuUr, a is provided with a central orifice for the re 55
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citizen of the United States.- and resident. of seption of spindle 16. _
the borough of Brooklyn. in the> county of
IVVhilethe revoluble member 18 hasA been
Brooklyn and State of New York. have in» designated as'the valve, actually the valve
vented certain new and useful Improvements organism in this example extends also
in Valves, of which the following is a sper-i- through the member referred to as the en
largement 12. and the member referred to as
This invention relates to revoluble valves the valve `head23, as will become apparent 'in
lir'ation.
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10 for use in the transference-_of fluids to and
the .following description of these elements
from a cylinder as under the operation of of the structure. But it is proper to state,
> a piston therein during the strokes thereof at this juncture. that the fixed 1nember>23 65
in opposite directions, the present applica bears with elastic pressure against the rev~
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oluble `member 18, which similarly engages
the opposed surface 13 of ñXed member 12.
This engagement` is Vshown as Aetl'ect'ed by
tober 11, 1922.
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means of four bolts 24 which, respectively
1n the drawing:
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Figure 1 is a partial horizontal sectional `engage the _lugs 25 extended equidistantly
view of a pump with whichis embodied my about the member 12, and are passed freely
tion being a division\of my earlier applica
tion for patent, Serial No. 593,845, tiled Oc
20 improved valve.
through corresp'onding Vlugs 26\ extended
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Fig. 2 is a section taken. on the line 2-2 from member 23; the ends of these bolts hav 75
ing adjustment nuts 27 which retain helical
` of
1, and
.Fig 3 1s a section taken through the valve springs 28 that exert‘suitabletension against
onthe line 3-3 of Fig'. 1.
26
.
member 23, to. thereby establish and main
-
Mv improved'valve is here represented asA tain- the operative relation of the `valve ele
incllidedin thel same _pump organism as that
forming the subject. matter of my said It will be appreciated that by turning the '
earlier application, thls showing being given nuts 27 the tension of `springs 28 may be
ments.
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merely by wayof exemplifying one of the adjusted so as to permit proper freedom of
rotation for member 18.
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uses to which the valve may be put.
Packing rings 29 are placed in opposed
In said example let r1 indicate a pump
cylinder in which is provided a piston 2 hav grooves in the members 12, 18 and l23 4to
render‘their working surfaces liquid tight.
ing a piston rod 7.
Also the spindle 16 is provided with an
The cylinder is provided with the ports
85
10. 11 at one side thereof, these ports being` adjustment nut 30, and a spring 30a lies be
disposed respectively near its opposite ends, tween said nut and member 23„ to hold‘the
this ported side of the cylinder being en spindle suitably adjusted. while also exert~
larged. as at 12-` the enlargement'having a ing tension centrally. with respect to the
Hat outer surface 13.
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An externally threaded annulus 14, having
assemblage of the „valve elements. Byreference to Fig. 3 it will be noted that I
an inward flange 15, is screwed into a recess the valve element 18 is provided withan 95
formed for its reception in the centre ofen arcuate slot or clearance 31, and an opposite,
largement 12, and a spindle 16, which has arcuate passage -32, of equal extent. The
a head 17, engages thereby with the flange end Walls 33 of the slot 31 -are of convex
15, and is extended outwardly from the an« form, and likewise the ends 34 of the passage
nulus.
- 32 have convex form.
There is also a transverse, arcuate passage
This spindle revolu‘oly carries a valve 18
in the form of a flat disk, whose periphery 36 in element 18 which communicates respec
is provided with gea'rteeth 19, which mesh tively with the opposite ends of passage.32.
Before relatingthe functions of the slot
with an intermediary gear 20, here shown
broken away, and intended to form part of 31 and passages 32, 36, it will be proper to
the piston operating mechanism.
describe the passage in member 23 which co~
A valve head 23, in the form of a. flat plate acts therewith."R Therefore, attention is di
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105
1,519,670
rected to Fig. 2 in which will appear the
outer, arcuate passage 38 and the inner, op
posed arcuate passage 39.
The passage 38, atrits ends, communicates
respectively with the ports 40. 4:1; and the
passage 39, at its ends communicates respec
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tively with the ports 42, 43.
The port 40 is in fixed alignment with the
port 10 in the cylinder side, and the port
41 is in alignment With the port 11, which is
also located in the cylinder side.
10, arcuate passage 32, transverse passage 36,
arcuate passage 39, and out through pipe B.
In they foregoing operations it 1s assumed
85
that the crank shaft, and consequently also
the valve 18 are rotated in one direction.
But if the rotation of the crank shaft and
valve 18 be reversed, then the inflow to thc
cylinder will be through pipe lì and the out
flow from the cylinder through pipe A, as
40
will be apparent.
Variations within the spirit and scope ot' .
The operation of the device Will be ren-' my invention are equally colnprehended by
dered clear by reference’to Fig. 1, in which _the foregoing disclosure.
I claim:
during which fluid is drawn into the cylin
l. A revoluble valve in disk-like forni
piston 2 is shown as making an outstroke,
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der, behind the piston, through pipe A,
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having an arcuate slot and on one side an
passa e 38, port 40, arcuate slot 31, and port opposed, arcuate passage, and a transverse
10.
t the same time fluid is being expelled passage extended between the ends of the
from cylinder l, inadvance of piston 2, arcuate passage.
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through port l1, arcuate passage 32, trans
2l A revoluble valve in disk-like form
verse passage 36,- passage 39, port 42 and having an arcuate slot therethrough, said
out through pipe B.
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p
valve having on one side thereof an arcuate
The operation continues all through vthe passa-ge which is opposed to and separatey 55
out-stroke of the piston. On the return or from said slot, and said valve having on the
in-strokeof the piston, or during the second same side as the arcuate passage a transverse
vhalf of the revolution of valve 18, Whensuc passage which communicates with said arcu
tion pull will be exerted at the forward face ate passage near the ends of the latter.
of the piston, the inlet will also be through
Signed at the borough of Manhattan, in 60
pipe A, but its path Will follow from‘port the city, county and State of Nev,1 York, this
30 41, through arcuate slot 3l and port 11; and
6th day of April A. D. 1923.
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at the same time fluid will be delivered from .
the other side of the piston, through port
HANS E. DANSTRUP.