AN IMPROVED APPARATUS FOR LUBRICATING PARTS OF LOCOMOTIVE AND OTHER ENGINES
Year: 1869

page_text: PROVISIONAL SPECIFICATION left by William Edward Gedge at the
Office of the Commissioners of Patents, with his Petition, on the
29th July 1869.-A communication from abroad by Pierre Freitel,
of 37, Boulevard Bonne Nouvelle, Paris, France, Machinist.
I, WILLIAM EDWARD GEDGE, of the Firm of John Gedge and Son,
of No. 11, Wellington Street, Strand, in the County of Middlesex,
Patent Agent, do hereby declare the nature of the said Invention
for "AN IMPROVED APPARATUS FOR LUBRICATING PARTS OF LOCOMOTIVE AND
OTHER ENGINES," a communication to me from abroad by Pierre Freitel,
of 37, Boulevard Bonne Nouvelle, Paris, France, Machinist, to be as
follows:-
The improved oil or grease injector the subject of this Invention is
principally intended for lubricating the cylinders and slide valves of
locomotive engines. It is composed, as shown on the accompanying

page_text: Drawing, of a metal reservoir A, B, C, D, enclosing the fatty em-
ployed for lubrication, oil, for example. This reservoir has within it
a wire gauze basket P, which serves as a filter to the fatty matter and
frees it from any foreign substances which it may hold in suspension; it
is also provided with a lateral opening closed by a sheet of glass, through
which the level of the oil or grease may be ascertained. The reservoir
communicates by a conduit a with a cock, the plug of which is hollow.
The seat of the cock has on its lateral surface a hole, which is at the
bottom of the conduit a, and before which may come an orifice in the
plug to place it in communication with the reservoir. A metal rod T
plays within the plug and acts as a piston. A lever L is fixed to the
plug of the cock, and when this lever is in the position indicated by L'
the cock is in communication with the reservoir. On the lever being
made to pivot about 180 degrees to bring it to L' the plug turns with it,
presents a solid part of its lateral surface before the opening a, and ceases
to communicate with the reservoir, but its hole comes in front of the
conduit b, which places it in communication with the pieces to be oiled
by tubes leading to them. This being assumed the action of the appa-
ratus is as follows:-The lever being at L the rod T is pulled to the
position T', and the oil thus drawn into the cock fills its plug or stem.
The lever is then brought to L', and the rod T being pushed down in the
plug injects the oil into the conduit 6 lengthened by a tube which brings
the oil on to the plane surface of the slide valves. This apparatus has
the advantage of permitting instantaneous lubrication during the working
of the engine, whether the regulator be open or closed. There is no
climbing over the engine at night with a lantern and an oil can in the
hand, and the engineer is left free to inspect the parts of his engine
during stoppages. It possesses the advantage over lubricating appa-
ratuses oiling by suction that it works notwithstanding defective joints,
segments, or packings; and over steam lubricators, that there can be no
return of steam into the apparatus, the lubricating matter being sent
direct to its destination in all its purity, and free from admixture with
water. It permits the slide valves and cylinders as well as other parts
of the engine to be greased separately, as many pipes being fitted to the
seat of the cock as may be required. If it is desired to lubricate with
melted tallow the reservoir will be placed on the front of the fire-box,
the heat of which will melt the tallow, and the conduits which put the
lubricating apparatus in communication with the slide valves set between

page_text: the boiler and its jacket to prevent cooling. It may be used for marine
engines with great advantage and economy, as the oil or the tallow may
be injected into the cylinders at very short intervals and in very small
quantity.