Improvements in Sight Feed Lubricators for Valves and Cylinders of Steam Engines.
Year: 1892

page_text: Date of Application, 11th May, 1892
Complete Specification Left, 9th Feb., 1893-Accepted, 18th Mar.. 1893
PROVISIONAL SPECIFICATION.
Improvements in Sight Feed Lubricators for Valves and Cylinders
of Steam Engines.
I, HARRY BATES, of Lascelles Hall, Kirkheaton, near Huddersfield, Yorkshire,
Engineer, do hereby declare the nature of this invention to be as follows:-
:-
This invention refers to sight feed lubricators for supplying lubricant to the
cylinders of steam engines and consists of means for admitting a regulated supply of
lubricant to a cup having communication with the cylinder, from which said cup the
lubricant is drawn or sucked into the cylinder by the vacuum alternately created
therein which is also regulated to correspond with the supply of lubricant in order
that little or no air shall be admitted with the lubricant.
In order to carry out my invention, I employ a suitable cup or vessel for containing
a supply of lubricant, said vessel being preferably made of glass at the sides so that
the height of the contents can be ascertained without removing the cap. The
glass at top and bottom fits into sockets or recesses in metal rings and the joints are
made tight by means of india rubber or other suitable material interposed between
the glass and the metal rings which are drawn tightly upon the opposing ends of the
glass by tie rods or bolts.
At the bottom of the vessel is an opening communicating by pipe or other suitable
connection with a nipple or mouth piece from which the lubricant drops into a cup
carried by a short pipe or branch arm attached to the pedestal supporting the
vessel. The cup is in communication with the interior of the cylinder, but a valve
closes the opening from said cup simultaneously with the admission of steam to the
cylinder and a second valve is also employed as an auxilliary to that named so that
should any grit or foreign matter lodge in the bottom of the cup or on the valve
seating so as to prevent the valve closing properly, the auxilliary valve will shut off
communication between the cylinder and the atmosphere. Placed intermediate of
the two valves named is a regulating valve for increasing or reducing the vacuum
or suction acting on the admission valve so that it can be opened varying extente to
allow a larger or smaller quantity of lubricant to pass into the cylinder, and for the
purpose of regulating the supply of oil from the nipple to the cup to correspond
with the regulation of the vacuum, I employ a valve in conjunction with said nipple
or mouth piece, by which more or less lubricant can be allowed to pass to the nipple
and drop into the cup.
The working of the lubricator after being regulated to suit requirements, is
effected by the vacuum created alternately in the cylinder, and according to the
position in which the lubricator is placed on the cylinder, a supply of lubricant is
twice drawn into the cylinder during each stroke of the piston, or only once each
stroke as the case may be. The lubricator herein described is dependent for its
action on the vacuum created in the cylinder and is therefore especially adapted for
low pressure or compound engines.
The cap which closes the mouth of the containing vessel is provided with holes
or perforations so that the oil may gravitate freely to the mouth piece or nipple.
Dated this Oth dor of Max 180
TASKER & CROSSLEY,
Halifax, Agents.

page_text: COMPLETE. SPECIFICATION.
Improvements in Sight Feed Lubricators for Valves and Cylinders
of Steam Engines.
I, HARRY BATES, of Lascelles Hall, Kirkheaton, near Huddersfield, Yorkshire,
Engineer, do hereby declare the nature of this invention and in what manner the
same is to be performed, to be particularly described and ascertained in and by the
following statement:-
This invention relates to sight feed lubricators for supplying lubricant to the
cylinders of steam engines or parts in communication therewith, and consists of
means for admitting a regulated supply of lubricant to a cup from whence it is
drawn or sucked into the cylinder by the vacuum or exhaust alternately created
therein which is regulated in accordance with the supply of lubricant in order that
little or no air shall be admitted therewith.
In order that my invention may be more fully understood reference is herein
had to the accompanying drawings illustrating same.
In the drawings A designates the main receiving vessel for the lubricant supported
on a pillar or pedestal B adapted to screw to any suitable part having communi-
cation with the cylinder of the engine. The vessel A is preferably made of glass
at the sides so that the height of the contents can be seen at a glance from any
position without having to remove the stopper C from the opening D in the mouth
of the vessel.
The glass at top and bottom fits into sockets or annular recesses a, a¹, in the
metal cap or ring 6 and flange 61 which are secured together so as to hold the glass
firmly in position by means of the tie rods or bolts c, c; the joints being made tight
by washers d, d, composed of india rubber or other suitable material.
:
At the bottom of the vessel A is an opening e communicating by passage way f
at right angles thereto with the nipple or mouth piece g to which the lubricant
gravitates from the vessel, the quantity allowed to pass thereto being regulated to:
suit requirements by means of the regulating valve h. From the nipple or mouth
piece g the lubricant drops into a cup i carried by an arm k secured to the pillar B
and is sucked or drawn from thence past the valve m through the passage n past
the second valve o and through the openings p, p, into the cylinder or parts by the
vacuum or exhaust alternately created therein, but immediately this is destroyed by
the admission of steam, the valves m and o are closed to shut off communication
between the cylinder and the atmosphere and are kept against their seatings by,
spiral springs. The second valve o is employed as an auxilliary to the valve m so
that should the latter fail to act or close properly at any time by reason of grit or
foreign matter lodging on the valve or its seating or from other causes, the auxilliary
valve will answer to effectually shut off communication between the cylinder and
the atmosphere when the vacuum or suction is destroyed.
is a regulating valve commanding the mouth of the passage n for increasing or
decreasing the area thereof in order to regulate the action of the vacuum or suction
on the admission valve m and thus open it varying extents to allow more or less
lubricant to be drawn into the cylinder or parts, and in accordance with and corre-
ponding to the supply from the nipple g.
The working of the lubricator after being regulated to suit requirements, is
effected by the vacuum or exhaust created alternately in the cylinder; and, according
to the position in which the Inbricator is placed on the cylinder, a supply of
lubricant is twice drawn into the cylinder at each stroke of the piston or only once
each stroke as the case may be. The lubricator described is especially adapted for
low pressure or compound engines.
The cap b, or the stopper which closes the mouth of the vessel A may be
provided with holes or perforations so that the oil will gravitate more freely to the
nipple or mouth piece g.

page_text: Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, I declare that what I
claim is :-
The construction, arrangement and combination of parts constituting the sight
feed lubricator as illustrated by drawings and operated in the manner substantially
as herein described.
1
100
TASKER & CROSSLEY,
Halifax, Agents.