Improvements in Lubricators.
Year: 1891

page_text: Date of Application, 14th Jan., 1891-Accepted, 28th Feb., 1891
COMPLETE SPECIFICATION.
Improvements in Lubricators.
A communication from abroad by JOSEPH MENSE, of la Bastide, Bordeaux,
Gironde, France, Manufacturer.
I, GEORGE CLEMENT DOWNING, of 8 Quality Court, London, W.C., Patent
Agent, 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 :-
The object of my invention is to effect improvements in the lubricator for which
Letters Patent were granted to George Downing dated 8th May 1888 No. 7392 the
present improvements rendering such lubricators applicable to the reciprocating
and rotating parts of engines and machinery; the motion of the parts being utilised
in rendering the lubricator automatic.
And in order that my said invention may be particularly described and ascertained,
reference is hereby made to the accompanying drawings, in which similar letters of
reference indicate corresponding parts.
Fig. 1 is a sectional elevation of my invention, suitably constructed for the heads
of connecting rods of vertical and horizontal engines, the cross heads of oscillating
engines, and generally for parts of machinery to which a circular or vertical
reciprocating motion is imparted.
Fig. 2 shows the same adapted to parts of machinery having a horizontal
reciprocating motion.
A is the oil reservoir. B is a cap screwed to the cover, and perforated at E for
the admission of air to the reservoir. a is a short cylinder which forms a double
seat to the valve. c is the stem of the valve, which is fitted with flanges b b¹, so as
d is a nut to
to form a double seated valve in conjunction with the cylinder a.
secure the flange b to the stem c. e e are grooves for receiving and passing oil from
the chamber at one end of the valve to that at the other.
In Fig. 1 the air passage E is shown enlarged to receive a self-closing valve D,
which is made slightly convex at each end, its diameter being rather less than that
of the air passage, so as to allow air to pass to the reservoir. The valve D is
The valve D is
secured by a pin F which prevents it falling into the reservoir.
Referring to Fig. 1, it will be seen, that when (for instance) the connecting rod
has passed its highest point, the valves c and d will have a tendency to rise; the
valve D will prevent the emission of oil through the passage E, and the rise of the
On the reversal of the motion
valve c allows oil to pass through the grooves e e.
the valves resume the positions shown in Fig. 1, and the requisite measure of oil
passes down through the passage g.
not required in the arrangement shown in Fig. 2.
Referring to Fig. 2, the double seated valve is thrown to and fro' by the hori-
zontal motions of the machinery, the oil passing from the reservoir A past the valve
seats and to the passage g: The air enters freely by the passages E. E.
I wish it to be understood that I do not limit myself to the constructions shown
in the drawings, as it is obvious that the invention may be very much modified
invention.
without departing from the nature of my
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is :-
1. The application to motion bars and other parts of machinery having recipro-
cating, rotary, or other motions, of lubricators fitted with double seated valves, so

page_text: arranged that such motions cause the valves to travel to and fro', and thereby
convey the lubricant to the parts requiring the same, substantially as herein before
described and illustrated by the drawings.
2. In lubricators as aforesaid the application and use of the air valve D for
admitting air and preventing the emission of lubricant through the same, substan-
tially as herein before described and illustrated by Fig. 1 of the drawings.
3. The general construction, arrangements, and combinations of the several and
respective parts, together forming my invention of improvements in lubricators,
substantially as herein before described and illustrated by the drawings.
Dated 14th January 1891.
GEORGE C. DOWNING.