Viscoscometer. Page: 6 of 10
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UNITED STATESPATENT OFFICE.
CHARLES 0. LORENZ, OF PORT ARTHUR, TEXAS.
VISCOSCOMETER.Specification of Letters Patent. Patented June 13, 1916.
Application filed August 23, 1913. Serial No. 786,224.Th all whom it may concern:
Be it known that I, CHARLEs 0. LoRENZ
a citizen of the United States, residing at
Port Arthur, in the county of Jefferson and
5 State of Texas, have invented certain new
and useful Improvements in Viscoscom-
eters, of which the following is a specifi-
cation.
This invention relates to new and useful
.0 improvements in viscoscometers.
The object of the invention is to provide
a device of the character described by means
of which the relative viscosity of different
liquids, particularly oils, may be accurately
s5 determined.
In the process of refining oils, it is neces-
sary to maintain a particular standard of
viscosity in accordance with the purpose for
which the oil is to be used and it is the ob-
20 ject of this invention to provide a device of
the character described, whereby this stand-
ard may be determined and maintained.
A further feature of the invention resides
in the provision of means whereby the oil
25 being tested may be kept at a uniform tem-
perature which condition is essential to the
accurate testing of the viscosity of the fluid.
A further feature is the provision of
means whereby the oil being tested may be
30 automatically kept at a uniform tempera-
ture.
A still further feature of the invention re-
sides in the provision of a device of this
character, and for the purpose stated, which
35 may be cheaply and easily constructed,
which will effectively accomplish the object
for which it is intended and which will not
be liable to get out of order and which also
comprehends means for indicating any de-
40 cided rise in the temperature of the fluid.
With the above and other objects in view,
the invention has particular relation to cer-
tain novel features of construction, opera-
tion and arrangement of parts, an example
45 of which is given in this specification and
illustrated in the accompanying drawings,
wherein-
Figure 1 is a plan view of the device.
Figs. 2, 3 and 4 show side elevations there-
50 of, as viewed from different sides. Fig. 5
is a sectional side elevation thereof. Fig. 6
is a side elevation of a relay and contact
maker used in connection with the device.
Fig. 7 is a side elevation of a motor used in
connection therewith. Figs. 8 and 9 show,
respectively, side elevations of two forms ofcontact makers used in connection there-
with. Fig. 10 shows a plan view of the
electrical wiring for one form of the device
employing a direct current. Fig. 11 is a 60
plan view of the electrical wiring for an-
other form of the device wherein an alter-
nating current is employed. Fig. 12 is a
diagram of another form of wiring.
Referring now more particularly to the 65
drawings wherein like numerals of reference
designate similar parts in each of the fig-
ures, in Figs. 1 to 5 inclusive, is shown a
chamber which may be in the form of a
tank 1, preferably made of copper or some 70
other suitable material and surrounded on
the sides and bottom by an asbestos packing
2, held in place by a wooden box or covering
3. The tank is entirely inclosed, forming a
chamber for a heating fluid, which should 75
preferably be a light oil.
A plurality of receptacles preferably in
the form of cups or tubes 4 are fixed in the
tank and extend preferably from top to bot-
tom through the chamber inclosed therein. 80
These tubes are open at the top for the recep-
tion of the liquid to be tested and have re-
duced necks 5 at their bottoms having out-
let passageways through which the fluid
passes, apertures being provided in the bot- 85
tom of the wooden box surrounding the tank
through which the necks 5 protrude.
The joints between the cups or tubes 4
and the bottom and top of the tank 1 are
made proof against fluid passage so as to 90
prevent the escape of the fluid from within
the chamber of the tank 1. The tubes 4 will
thus be surrounded by the fluid, preferably
oil, with which the tank 1 is filled and the
temperature of the oil within the chamber 95
will regulate the temperature of the oil
within the tubes.
Oil of the desired viscosity is placed in
one of said cups or tubes and the oil to be
tested is placed in another or others of said 100
tubes and it is essential that the oil in the
tank 1 surrounding the tubes should be kept
at a uniform temperature, as the relative
amount of the oils discharged through the
reduced necks 5 from the tubes determines 105
the relative viscosity of the oils placed in
the tubes.
It is apparent that if a greater or less
amount of the oil being tested is discharged
than there is of the oil having the desired 110
viscosity, then the oil being tested is not of
the desired viscosity. As it is necessary,1,187,000.
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Lorenz, Charles O. Viscoscometer., patent, June 13, 1916; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth859855/m1/6/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.