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Патент USA US2111858

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m
22, 1933,
O_ F, JENsEN
2,111,858
AUTOMAT i C O [LER
Filed April 20, 1936
1N VENTOR.
LUF F JENSEN
Patented Mar. .22, 1938
_ 2,111,858
UNITED STATES
PATENT OFF ICE‘.
2,111,858
AUTOMATIC oILER
volur F. Jensen,‘ Council Bluffs, Iowa
Application April 20, 1936, Serial No. 75,360
6 ‘Claims. (Cl. 184—-52)
The principal object of my inventionis to pletely through it andcommunicating with the
provide an automatic oiler for devices having
pressure pulsations such as the steam valve and
cylinder of a steam
engine.
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A further object of this invention is to provide
an automatic oiler that is easily installed and
whenonce installed requires no'further atten
tion outside of servicing it with additional oil
when the oil is depleted.
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A still further object of this invention is to
provide an automatic oiler that may be easily
adjusted for furnishing more or less oil over a
givenperiod‘ofloperation.
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These and other "objects will be apparent to
those skilled ‘in ‘the art;
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My ‘invention consists in theiconstruction, :ar
‘ ran'g'ementand combination of the various parts
of the device, whereby vthe objects'contemplated
are attained as hereinafter more fully set forth,
20 pointed out in my claims and illustrated in the
accompanying drawing, in which:
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Fig. 1 is a side sectional view of my device ready
for use.
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Fig. 2 is a top plan view of my ‘automatic oiler.
Fig. 3 is an enlarged side sectional ‘.view of the
7 oil regulator valve.
One of the hardest mechanisms to’ oil and keep
oiled are those mechanisms wherein an inter?
mittent. ?uctuating pressure, is experienced.
.30
~A casein point‘is' the steam'valve and piston
of ‘a steam engine-workingunder varying load
and speed conditions. Obviously any attempt
to force oil into a chamber having steam pressure
is most di?‘icult as it seriously a?ects, not only
.35 the injection'of the oil into the chamber and
working parts, but makes such introduction of oil
questionable and not uniform. 'I'h'ave overcome
this by providing an oil'er thatsuccessfully oper
ates by virtue of the pulsation of pressure leading
40 to ‘parts to be lubricated,~such asexists between
the throttle valve and main valve of a steamene
gine;
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Referring to‘ the drawing, '1 have used the
numeral III to ‘designate the enclosed housing
of my 'oiler.‘ ' This housing has a hollow stem
portion, II, extending completely through it, as
shown in ‘Fig. 1. The lower end of thisstem
portion I I is threaded and designed to be screwed
into the wall of the steam pipe or valve chamber
50 leading to the parts to be oiled.’ Obviously the
inside of this stem portion II must communicate
with the inside of the cylinder or like to be oiled.
The numeral I3 designates a block portion formed
on top of the housing II). This block portion I3
55 has a vertical ‘passageway l-dvextending com
inside of the housing Ill. The numeral l5 desig
nates a screw cap for detachably closing the up
pertop open end of the passageway I4. Also
threaded in this passageway I 4 and normally 55
resting under the closing cap I5 is the oil‘ regu
lating valve. This oil regulating valve .has a
casing of two parts which I have designated by
the numerals I6 and I7, as shown in Fig. 3.
These two'sections I6 and I'l~ are threaded to
gether and to all intents and purposes form a
single valve casing having the vertical passageway
I8 ‘extending completely'through'it. Inside this
valve "casing is an enlarged compartment ‘I9
having both of its ends communicating ‘with a
passageway I8, as shown in Fig. 3. This‘enlarged
compartment I9 provides space for the operation
and reciprocation of movable portion 20 ‘of the
valve and has both of its ends beveled or conical
as shown in Fig. 3, to provide valve seats in both
directions. The movable portion of the valve 20
is pointed at both of its ends in order that when
it is moved upwardly it vwill seat at the upper valve
seat in the ‘enlarged chamber I9, and when it
is moved downwardly it will seat in the ‘lower
seat of the enlarged compartment I9; thereby
closing the passageway I8 by movement in’ either
direction.
This member 20 has a diameter less
than the inside diameter'of the enlarged com
partment I9, and is permitted a-certain amount :30
of longitudinal reciprocation, as shown in Fig. 3.
The numeral 2 I designates a stem secured to the
lower end‘ of ‘the member 20 and extending down
wardly into the passageway I 4 through the pas
sageway I8.
The numeral ~22 designates a nut .
threaded onto or otherwise secured to the lower
end portion of the stem I'ZI. lThe numeral 23
designates a coil spring embracing the stem 2i
and‘ having one of its ends engaging the nut22,
and its other end engaging the member H, as is »
shown‘ inFig..3, 'for yieldingly holding the mem
ber 21] in engagement withjthelower seat of the
enlarged, compartment I9. The numeral 24 des
ignatcs a'~.passageway in the block I3, having one
end communicatingwith the inside of thevpas- -
sageway ofzthe‘stem I I and its other end com
municating with the passageway,“ abovethe oil
regulating valve and below the cap I5, as shown
inrFig. 1.
‘The numeral "2-5 designates a hollow stemgex- .
tending downwardly in the housing ~I0 ‘and ter
minatinglnear; the bottom of the housing ID. The
passageway of this hollow stem 25 communicates
with thebottom of the housing 1 I0. and the outside
top ‘of the ‘housing I0. , The numeral Iz?rdesig
2,111,858
2
nates a ?xed valve seat in the upper portion of
the passageway of the stem 25. The numeral 21
designates a detachable plate rigidly secured on
top of the housing l0 and over the passageway
of the stem 25.
The under side of this plate 21 has a slight
depression for receiving the central portion of
the diaphragm element 28. This diaphragm
plate 28 is rigidly secured at its marginal edge
10 by being clamped between the peripheral edge
of the plate 21 and the top of the housing I0,
thereby closing the passageway of the stem 25 to
the outside atmosphere. The numeral 29 desig
nates a movable valve portion rigidly secured
15 on the bottom of the diaphragm plate 28, and
capable of seating in the valve seat 26, for clos
ing the passageway in the stem 25. The numeral
30 designates a coil spring having its upper end
engaging the plate 21 and its lower end engaging
the top of the diaphragm for yieldingly holding
the valve member 29 seated in the valve seat 26.
The numeral 3| designates a hollow dome mem
ber threaded on to the upper end portion of the
stem H and communicating with the inside of
25 the passageway of the stem H the upper end of
the stem ll terminating near the inside top of
the dome as shown in Fig. 1. The numeral 32
designates a second passageway in the stem H
communicating with the inside bottom of the
30 dome. The numeral 33 designates a passageway
in the top portion of the housing I0, having one
end communicating with the passageway 32 and
its other end communicating with the outside top
of the housing It] at a point under the diaphragm
28. The numeral 34 designates a ?lling plug
threaded into the top of the housing In. The
numeral 35 designates a drain plug threaded into
the bottom of the housing [0.
The practical operation of the device is as
follows: After my automatic oiler has been in
stalled and ?lled with oil, when the steam valve
or throttle is opened to start the engine, steam
will pass upwardly through the stem ll and into
the dome 3|. It is possible that this steam will
be condensed inside the dome, but at any rate
the condensed steam or steam will pass down
wardly through the passageway 32 into the pas
sageway 33 and to a position under the dia
phragm 28, thereby raising it against the action
50 of the spring 30.
With the diaphragm 28 in an upper position
the movable valve element 29 will be off of its
seat and the steam or condensate will pass down
wardly through the stem 25 to the bottom of the
55 housing I0, where all of it then is reduced to
liquid. As this condensate will be water the oil
in the housing I0 will be supported by the water
and will be forced into the passageway I4 with
a slightly greater pressure on the bottom side of
60 the valve element 20 than on the top side owing
to the weight of the water in condensing dome
or passageway 32. It is obvious that when the
steam valve opens the steam port to the engine
cylinder there will be a momentary reduction in
65 pressure in the valve chamber [2 and inside the
stem l l and the pressure of the oil in the passage
way l4 will be momentarily greater than that in
‘the passageway 24, thereby permitting the spring
23 to compress, allowing the valve element 20 to
move upwardly to seat in the upper end of the
compartment Hi. In other words, every back
ward and forward movement of the piston will
cause a pulsation of pressure inside the device
thereby reciprocating the valve element 20 and
75 permitting very small amounts of oil to pass by
the reciprocating valve element 20 and into the
passageway 24. This oil will naturally ?nd its
way into the stem H and ?ow down into the
cylinder [2. It will be noted that the valve 20
operates to conform with the pulsating pressure
that intermittently exists in the passageway 24.
Due to the close ?t and short movement of the
member 20 the oil fed into the cylinder will be
a very small amount. Obviously, the amount of
oil fed into the cylinder will depend on the rela 10
tive diameters of the member 20 and the inside
of the compartment [9 and also the distance of
the movement of the member 20. Therefore the
amount of oil to be fed may be predetermined
by the size of the unit used. They may be made
in various sizes and be changed at will by re
moving cap screw l5.
It will also be noted that when the steam
throttle is closed and no pressure exists inside the
stem II, water can not be forced upwardly 20
through the stem 25 and into the stem H by
existing pressure because of the diaphragm 28
which moves downwardly to close the passageway
in the stem 25 when the pressure is relieved from
the under side of the diaphragm. From this it 25
will be seen that as the device uses oil a propor
tionate amount of condensate will be placed in
the bottom of the device and all of the oil will be
used before the water reaches the passageway
l4. Obviously when the device has had all of
the oil in it depleted it will be completely ?lled
with water. The purpose of diaphragm 28, valve
29 and spring 30 is to retain oil in housing In
when the throttle valve is closed. Were it not
for that the hot oil would expand when relieved 35
of pressure and find its way out through hollow
stem I! and into the engine where it would boil
when relieved of pressure. To replenish the de
vice with oil the member 35 would be removed
to drain the water from the device, after which 40
the member 35 is replaced and the member 34
removed in order to re?ll the device with oil.
After oil has been replaced in the device the
member 34 is screwed back into place.
Some changes may be made in the construc
45
tion and arrangement of my improved auto
matic oiler without departing from the real spirit
and purpose of my invention, and it is my in
tention to cover by my claims any modi?ed
forms of structure or use of mechanical equiva 50
lents which may be reasonably included within
their scope.
I claim:
1. In a device of the class described, a housing
designed to contain oil, a conduit having one of 55
its ends communicating with the bottom of said
housing and its other end in communication with
a ?uid supplied under alternating pressures, an
oil conduit having one end communicating with
the top of said housing and its other end com 60
municating with the inside of said ?rst men
tioned conduit, a diaphragm operated valve im
posed in said ?rst mentioned conduit for closing
said conduit to the inside of said housing when
a reduction of pressure is experienced inside said 65
?rst mentioned conduit, and a movable valve
mechanism imposed in said last mentioned con
duit.
2. In a device of the class described, a housing
designed to contain an oil, a conduit having one
end designed to be in communication with a ?uid
supplied under alternating pressure and its other
end in communicating with the bottom of said
housing, an oil conduit having one end communi
cating with the inside top of said housing and its
2,111,858
3
other end communicating with the inside of said
?rst mentioned conduit, a diaphragm operated valve seats capable of engaging either of said
valve imposed in said ?rst mentioned conduit for valve seats for closing said second mentioned
closing said conduit to the inside oi‘ said housing conduit at times, and a means for yieldingly hold~
ing said reciprocating valve element in one direc
when a reduction of ?uid pressure is experienced tion.
inside said ?rst mentioned conduit, and a two way
5. In an automatic oiler, a housing designed to
valve mechanism imposed in said last mentioned
contain an oil, a hollow vertical stem secured to
conduit.
said housing and designed to have its, lower end
3. In a device of the class described, a housing
10 designed to» contain an oil, a conduit having one
end designed to be in communication with a ?uid
supplied under alternating pressure and its other
end communicating with the inside bottom of
said housing, an oil conduit having one end com
municating with the inside top‘ of said housing
and its other end communicating with the inside
of said ?rst mentioned conduit, a diaphragm
operated valve imposed in said ?rst mentioned
conduit for closing said conduit to the inside of
said housing when a reduction. of ?uid pressure
is experienced inside said ?rst mentioned conduit,
two opposed valve seats in said second mentioned
conduit, and a reciprocating valve ‘element be
tween said two valve seats capable of engaging
either of said valve seats for closing said second
mentioned conduit at times.
4. In a device of the class described, a housing
designed to contain an oil, a conduit having one
end designed to be in communication with a ?uid
supplied under alternating pressure and its other
end communicating with the bottom of said hous
ing, an oil conduit having one end communicating
with the inside‘ top of said housing and its other
end communicating with the inside of said ?rst
mentioned conduit, a diaphragm operated valve
imposed in said ?rst mentioned conduit for clos
ii
in communication with a ?uid supplied under
alternating pressure, a block portion on said hous 10
ing having a passageway in ‘communication with
the inside of said hollow stem and the inside top
of said housing, a two~way ‘reciprocating valve
mechanism imposed in said passageway, a hollow
vertical stem extending downwardly into said
housing and terminating near the bottom of said
housing, a diaphragm secured to the top of said
housing and over said last mentioned hollow ver
tical stem, a valve member on said diaphragm
capable of closing the passageway of said last
mentioned hollow stem, a closed dome element
communicating with the inside top of said ?rst
mentioned hollow stem, and apassageway having
one end communicating with the inside of said
dome element and its other end communicating "
with the under side of said diaphragm.
6. In a device of the class described, a housing
designed to contain an. oil, a conduit having one
end designed to be in communication with a ?uid
supplied under alternating pressure and its other
end communicating with the inside bottom of said
housing, an oil conduit having one end communi
cating with the inside top of said housing and its
other end operatively communicating with said
alternating ?uid pressure, a diaphragm operated
valve
imposed in said ?rst mentioned conduit for
ing said conduit to the inside of said housing closing said conduit to the. inside of said housing
when a reduction of ?uid pressure is experienced
when a reduction of the pressure is experienced
inside said ?rst mentioned conduit, two opposed
inside said ?rst mentioned conduit, and a mov
valve seats in said second mentioned conduit, a able valve mechanism in said oil conduit.
40
reciprocating valve element between said two
OLUF F. JENSEN.
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