Improvements in Gas, Oil, and like Engines.
Year: 1897

page_text: Date of Application, 3rd Apr., 1897
Complete Specification Left, 6th July, 1897-Accepted, 26th Feb.,
1898
PROVISIONAL SPECIFICATION.
Improvements in Gas, Oil, and like Engines.
We, ALFRED DOUGILL, of 5, Vernon Road, Engineer, and JOHN MARKS, of Rose-
ville Terrace, Engineer, both in the City of Leeds, do hereby declare the nature
of this invention to be as follows;-
-
Our invention refers to that class of engines in which the motive power or
impulse is obtained through the agency of gas, fluids, acid, oil, such as petroleum,
or other hydrocarbon, a feature of our said invention being that the engine may
be worked as a "gas" engine, "oil" engine, or may be worked by any suitable
fluid, or acid, or by any hydrocarbon, where required.
According to our invention we combine with the engine cylinder a casting
having an oil valve with a passage to an auxiliary combined air and oil valve.
The spindles of the said valves are joined to a lever pivotted or fulcrummed upon
an arm or extension forming part of the suid casting.
The opposite end of the lever is pivotted or joined to a vertical spindle having
an air valve carried in a casting (forming a valve chamber) about midway of its
length, the lower end of the said spindle being connected to a governing arrange-
ment comprising a fulcrummed lever and cam or tappet. The said casting is also
provided with an air inlet and outlet or exhaust. It is also provided with a gas
inlet so that the engine may be converted into a gas engine by joining up the said
inlet and putting the top part of the spindle out of gear with the valve so that the
lever remains stationary.
From the two castings is a pipe preferably made in two parts, and joined at the
centre or other part by an union or the like, this pipe is to convey the vapour or
Buperfluous gases or material from the auxiliary valve to the chamber or other
casting, so that such are prevented from contaminating the air, and are used over
again with the next action or impulse. Instead of using the governing arrange-
ment as shown and described we may use a "rotary" governor, such as Dougills
Patent No. 1327 of Jany. 18th 1896. The action or cycle, when used as an "oil"
engine, is as follows:-
The engine is started by lamp and turning the fly wheel as ordinary, this puts
in motion the vertical spindle causing it to rise and fall and so actuate the lever,
through the action of the "governor," simultaneously the oil and air are admitted
by their respective valves, the mixture of oil and air are passed into the cylinder in
a vaporised and heated state for each impulse or forward stroke of the piston, or
each alternate out stroke as in the "Otto" cycle, the return stroke discharges the
waste or exploded material through the valve and exhaust outlet.
Dated this 30th day of March 1897.
HERBERT DUNN,
For Applicants.

page_text: We, ALFRED DOUGILL, of 5, Vernon Road, and JOHN MARKS, of 2, Roseville
Terrace, Roundhay Road, both in the City of Leeds, Engineers, 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; —
Our invention refers to that class of engines in which the motive power or
impulse is obtained through the agency of gas, fluid, acid, oil, such as petroleum,
or other hydro-carbon; a feature of our said invention being that the engine may
be worked as a
gas" engine, "oil" engine, or may be worked by any suitable
fluid or acid, or by any hydro-carbon, where required.
$1
DESCRIPTION OF DRAWINGS.
Fig. 1, is an end elevation.
According to our invention of cylinder, valve gearing and parts in connection
therewith.
Fig. 2, is a side elevation.
16
According to our invention A is the engine cylinder and, B is a casting having
an oil valve C, with passage C' to an auxiliary combined air and oil valve D. The
spindles of the said valves are joined to a lever E pivotted or fulcrummed at E'
upon an arm or extension 11, forming part of the casting B. The opposite end of
the lever E is pivotted or joined to a vertical spindle F having an air valve G carried
in a casting G (forming a valve chamber) about midway of its length, the lower
cud of the spindle I' being connected to a 'governing" arrangement comprising
a fulcrummed lever H and cam or tappel J. The casting G¹ is also provided with
au air inlet. K and outlet or exhaust consisting of a passage L, the exhaust being
effected by means of the valve M', which is operated by a separate lever M like
the valve (two separate lever arrangements being employed) the valves G and M
are both in communication with the cylinder port M³, by means of the valve M¹
the exploded material is passed to the exhaust L, and from thence to the atmosphere,
or may be taken away in any other convenient manner.
The said casting G is also provided with a gas inlet M so that the engine may
be converted into a gas engine by joining up the said inlet M and putting the top-
part of the spindle out of gear with the valve G so that the lever I remians
stationary. From the casting B to the casting G is a pipe N preferably made
in two parts, and joined at the centre or other part by a union or the like, this
pipe is to convey the vapour or superfluous gases or material from the auxiliary
valve 1 to the chamber G' so that such are prevented from contaminating the air,
and are used over again with the next action or impulse.
Instead of using the governing arrangement as shown and described, we may
use a rotary" governor such as Dougill's Patent No. 1327 of Jany. 18th, 1896.
The action or cycle when used as an oil engine, is as follows:-
The engine is started by lamp and turning the fly wheel as ordinary, this puts
in motion the vertical spindle F causing it to rise and fall and so actuate the
lever E, through the action of the "governor" simultaneously the oil and air are
admitted by their respective valves, the mixture of oil and air are passed into the
cylinder in a vaporised and heated state for each impulse or forward stroke of the
piston or each alternate out stroke as in the "Otto" cycle, the return stroke dis-
charges the waste or exploded material through the valve and exhaust outlet or
passage Las before described.

page_text: Having now particularly described and ascertained the nature of our said in-
vention and in what manner the same is to be performed, we would have it
understood that what we claim is:-
(1). In combination with a gas, fluid, acid, oil, or other hydrocarbon engine,
the construction and arrangement of the casting or chamber G' as and for the
purposes, substantially as set forth.
(2). In combination with an oil, fluid, acid, or other hydrocarbon engine, the
arrangement of valves C, D, and G, with passage C, and lever mechanisni E with
spindle arranged and operating substantially as and for the purposes set forth.
(3). In combination with the cylinder A and chamber or casting G the use
of the tube N, substantially as and for the purposes set forth.
(4). Arranging or constructing the casting or chamber G' so that the engine
may be converted from an oil engine into a gas engine or vice versû, at will, sub-
stantially as set forth.
(5). The general arrangement and combination of parts forming our invention
for improvements in or connected with gas, fluid, acid, oil, or other hydrocarbon
motive power engines substantially as set forth.
HERBERT DUNN,
For Applicants.