Lubricating Device Page: 4 of 5
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1,154,095
receive its supply from any suitable source,
and wherever available for the purpose
steam from an exhaust may be utilized, as
in this instance, where the steam may be
5 taken from the exhaust of the air pump
which is a common and well known adjunct
of locomotives, and being such is not here
shown. Through an enlargement 4a of the
steam conduit the lubricant conduit 2 passes
10 to the lubricant controlling valve 3, and this
enlargement of the steam conduit-is prefer-
ably formed of. a top or cap member 5 pro-
vided with a stuffing box 6 (or threaded:
nipple, annular cap, and packing - rings)
15 through which the lubricant-conduit passes,
and a .bottom member 7 which constitutes
the valve casing and into which the lower
end of the lubricant conduit is screwed as
at 7a. The two heads or the cap and valve
20 casing 5 and 7 are connected by the inter-
mediaite cylinder 4" or enlarged portion of
the conduit 4 which constitutes a steam
chamber wherein. the heat from the water
of condensation and the exhaust steam will
25 maintain the fluidity of the lubricant so that
any grade of oil from coal oil to asphaltum
may be utilized. The bottom member 7
which, as above noted, may also constitute
the easing of the controlling valve 3 is pro-
30 vided with a port 8 leading therethrough
from the lubricant conduit to the valve
chamber 3a and a. port 8a leading from the
valve chamber to the delivery chamber 3b,
and said bottom member 7 is secured by a
35 threaded bolt or set screw 7 to a bracket 9
attached to the guide-yoke b, which latter
has been selected as the point of support for
the controlling valve and conduit.
The controlling valve 3 as shown in Figs.
40 1, 2 and 3 of the drawing, is preferably a
three-way valve of the rotary type having
the Y shape through ports 10 which, when
the valve 3 is at rest in its normal position
in the valve chamber 3a of the casing, will
45 prevent the simultaneous registration of the
casing ports 8, 8a with a through passage of
the valve ports 10, as a. result of which the
lubricant is intermittently delivered into
the delivery chamber 3b when the valve is
50 operating and no delivery is made when
the valve is at rest in its normal position.
The same result may be obtained by the use
of a slide valve as indicated in Fig. 5 of the
drawing in which case the slide is prefer-
55 ably of cylindrical form as at S and is pro-
vided with the peripheral grooves s and s',
s', constituting valve ports which do not
simultaneously register with the ports of
the valve casing when the valve is at rest
60 in its normal position.
The end walls 7b of the valve chamber 3
which project laterally of the casing mem-
ber 7 are threaded for the reception of the
end caps 11, 11, one of which, a, in the
65 case of a rotary valve (see Fig. 3) andboth of which in case of a slide valve (see
Fig. 5) are perforated for the passage of
the valve stem and suitable packing rings
11b are inserted in the end caps to effec-
tively pack the valves. It is also desirable 7o
to provide a supplemental closure end cap
11 which may be carried by the closure end
cap 11 (see Fig. 3), as. the same will be
found serviceable in case the casing ports
8, 8a should become clogged, whereupon the 75
cut-off 18b will be turned to close conduit 18,
the perforated cap 1a, and valve 3 can be re-
moved, the supplemental cap 11 substi
tuted for annular cap 11a and steam pres-
sure utilized to clear the ports of any ob- s0
struction.
In case a rotary controlling valve is em-
ployed, as shown in Figs. 1, 2 and 3, a crank
arm 12 may be connected by means of rod
13 with some moving portion of the machin- 85
ery, as for instance with a valve stem R or
a rocker arm, to obtain an automatic in-
termittent movement of the valve, and the
connection should be so made that when the
machine to which the lubricating devices 90
are attached is at rest the controlling.valve
3 will be normally closed.
In case a slide.valve S is used, as indicated
in Fig. 5 of the drawings, the connecting rod
13 may be made to reciprocate the slide 95
valve S through the medium of a rocker arm
or lever 14 having its fulcrum on a bracket
14a secured -to the casing member 7, which
lever 14 is pivotally connected with the stem
of slide valve S. 100
From the portion 4a of the steam conduit
which incloses the lubricant conduit 2 a con-
tinuation of the steam conduit marked 15
leads down and delivers into the lubricant
delivery chamber 3b . below the controlling 105
valve 3 and into which chamber 3b the lubri-
cant enters from casing port 8a. The deliv-
ery end of conduit section 15 which enters
delivery chamber 3b is preferably in the
form of a jet 16, and the T which connects 110
the sections 15 and 16 of the conduit may
have its outer end closed by a screw plug 17
to. facilitate clearing of the jet should it.
from any cause become clogged.
18 indicates a continuation of the lubri- 115
cant conduit which receives the lubricant
and steam from the delivery chamber 3b and
through the medium of T connection 18a and
branch pipes 19, 19a delivers the spray of
lubricant and steam through nozzles 20 to.120
the flanges of the drivers B, B'.
At 18b is shown a cut-off. cock in conduit
section 18 leading from the delivery cham-
ber 3b, which cut-off cock is to- be turned to
close the conduit section 18, when obstruc-
tions are to be blown out of the valve and
casing ports.
The nozzles 20 for jetting the lubricant on
the part to be lubricated may be of any de-
sired character, but preferably are, -as indi- 1302
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Reference the current page of this Patent.
Clayton, Thomas J. Lubricating Device, patent, August 12, 1914; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth858745/m1/4/: accessed June 30, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.