IMPROVEMENTS IN LUBRICATORS OR STEAM GREASERS
Year: 1872

page_text: LETTERS PATENT to Alfred Lilly, of Stockton-on-Tees, in the County
of Durham, for the Invention of "IMPROVEMENTS IN LUBRICATORS OR
STEAM GREASERS.”
Sealed the 10th September 1872, and dated the 13th April 1872.
PROVISIONAL SPECIFICATION left by the said Alfred Lilly at the
Office of the Commissioners of Patents, with his Petition, on the
13th April 1872.
I, ALFRED LILLY, of Stockton-on-Tees, in the County of Durham,
do hereby declare the nature of the said Invention for "IMPROVEMENTS IN
LUBRICATORS OR STEAM GREASERS," to be as follows:-
These improvements relate to the construction of apparatus for
lubricating the cylinders or valves of steam engines.
I form a close vessel, cylindrical or of other suitable form, with a
narrow neck or orifice attached to or communicating with the steam
pipe or steam chest. In the orifice of this vessel I insert a disc valve
having one or more openings through its face for the purpose of

page_text: regulating the supply of lubricant and steam. The disc valve is moved
as required by a rod and lever passing through a stuffing box to the
exterior of the vessel. Through a valve or cock formed on the upper
part of the vessel I fill it with oil or other lubricant; the vessel
being filled a portion of steam is admitted through the valve; as the
steam condenses it falls to the bottom of the vessel and thereby raises
a proportionate quantity of the lubricant to the level of the orifice,
through which it flows into the cylinder or valve chest. This action
continues until the whole of the lubricant has been expelled from the
vessel, and the water remaining is drawn off by an ordinary cock fixed 1
in the bottom. Instead of the disc valve I sometimes use an ordinary
slide valve to regulate the admission of lubricant and steam or a cock
communicating with the orifice.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Alfred Lilly in the Great Seal Patent Office on
the 11th October 1872.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, ALFRED
LILLY, of Stockton-on-Tees, in the County of Durham, send grecting. ·
]
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Thirteenth day of April in the year of 2
our Lord One thousand eight hundred and seventy-two, in the thirty-
fifth year of Her reign, did, for Herself, Her heirs and successors,
give and grant unto me, the said Alfred Lilly, Her special licenco
that I, tho said Alfred Lilly, my exccutors, administrators, and assigns,
or such others as I, the said Alfred Lilly, my executors, administrators, 2
and assigns, should at any time agree with, and no others, from time
to time and at all times thereafter during the term therein expressed,
should and lawfully might make, use, exercise, and vend, within the
United Kingdom of Great Britain and Ireland, the Channel Islands,
Isle of Man, an Invention for "IMPROVEMENTS IN LUBRICATORS OR STEAM {
GREASERS," upon the condition (amongst others) that I, the said Alfred
Lilly, my executors or administrators, by an instrument in writing
under my, or their, or one of their hands and scals, should particularly
describe and ascertain the nature of the said Invention, and in what

page_text: manner the same was to be performed, and cause the same to be filed
in the Great Seal Patent Office within six calendar months next and
immediately after the date of the said Letters Patent.
NOW KNOW‘YE, that I, the said Alfred Lilly, do hereby declare
the nature of my said Invention, and in what manner the same is to
be performed, to be particularly described and ascertained in and by the
following statement thereof:-
These improvements relate to the construction of apparatus for lubri-
cating the cylinders or valves of steam engines. I form a close vessel,
cylindrical or of other suitable form, with a narrow neck or orifice
attached to or communicating with the steam pipe or steam chest. In
the orifice of this vessel I insert a disc valve having one or more
openings through its face for the purpose of regulating the supply of
lubricant and steam. The disc valve is moved as required by a rod and .
lever passing through a stuffing box to the exterior of the vessel.
Through a valve or cock formed on the upper part of the vessel I fill it
with oil or other lubricant; the vessel being filled a portion of steam is
admitted through the valve; as the steam condenses it falls to the
bottom of the vessel, and thereby raises a proportionate quantity of
the lubricant to the level of the orifice, through which it flows into tho
cylinder or valve chest. This action continues until the whole of the
lubricant has been expelled from the vessel and the water remaining is
drawn off by an ordinary cock fixed in the bottom. Instead of tho
disc valve I sometimes use an ordinary slide valve to regulate the
admission of lubricant and steam or a cock communicating with the
orifico.
Having thus stated the nature of my Invention, I will proceed to
describe the manner of carrying the same into practical effect, referance
being had to the accompanying Sheets of Drawings, and to the figures
and letters marked thereon, premising that the same letters are used to
denote corresponding parts in all the views,
Sheet 1. Figures 1, 2, and 3 are elevations of the lubricator with disc
valve, Fig. 2 shown partly in section, Fig. 3 a complete section.
Figure 4, sectional elevation shewing the application of slide valve.
Slicet.2. Figures & and 6 sectional elevations showing the application

page_text: Figure 7, sectional elevation shewing the application of piston valve.
Figures 1, 2, and 3, A is the vessel containing the lubricant; B, the
orifice communicating with the steam and the interior of the vessel;
C, the disc valve having one or more openings d, d, d, through the
face C' for regulating the supply of lubricant and steam; E, the rod or 5
lever for moving disc valve; F, valve on the upper part of vessel for
filling it with lubricant as may be required, the face of which is lined
with a thin coat of soft metal g; H, cock for drawing off water or
condensed steam.
Figure 4. A is the vessel; B, the orifice communicating with the 1
steam and the interior of the vessel; C, the alide valve; d, d, d, open-
ings in the face C³ for regulating the supply of lubricant; E, the rod
or lever for moving the slido valve; F, cap or cover to the vessel for
filling it with lubricant; H, cock for shutting off steam to orifice.
Sheet 2, Figures 5 & 6, A is the vessel containing the lubricant; 1
B, the orifice communicating with the steam and the interior of the
vessel; O, the cock having one or more openings d, d, d, for regulating
the supply of lubricant and steam; E, rod or lever for moving the cock į
F, valve for filling the vessel with lubricant, the face of which is lined
with a thin coat of soft metal g; H, cock for drawing off water.
20
Figure 7. A is the vessel; B, the orifice communicating with the
steam and the interior of the vessel; C, the piston valve; d, d, d,
openings in the face C¹ for regulating the supply of lubricant; E, tho
rod or lever for moving the piston valve; F, cap or cover to the vessel
for filling it with lubricant; H, cock for shutting off steam to orifice. 2
This apparatus may also be used as a suet lubricator by the introduction
of an inner vessel and the enlargement of the cover,
Having now described and particularly ascertained the nature of my
said Invention, I wish it to be understood that I do not confine myself
to the exact details herein set forth, as these may be modified without 3
departure from the nature of my said Invention; but that whịch I claim
under the herein-before in part recited Letters Patent is,―
First. The general arrangement and combination of parts as herein
described and set forth in Figures 1, 2, 3, 4, 5, 6, & 7 of the accom-
panying Sheets of Drawings.
Second, The disc valve with one or more openings, as herein described
nd set forth in Figs. 1, 2, and 3 of the accompanying Drawings..
3

page_text: Third. The lining of the inlet valve with soft metal as herein de-
scribed and set forth in Figs. 3, 5, and 6 of the Drawings hereunto
attached.
Fourth. The application of a cock for regulating the supply of steam
and lubricant as herein set forth in Drawings Figs. 5 and 6.
Fifth, The piston valve as set forth in Fig. 7 of the Drawings here-
unto attached.
In witness whereof, I, the said Alfred Lilly, have hereunto set my
hand and seal, this Tenth day of October, in the year of our Lord
One thousand eight hundred and seventy-two.