An Improved Gas or Petroleum Engine or Motor.
Year: 1899

page_text: Date of Application, 13th Mar., 1899-Accepted, 2nd June, 1899
COMPLETE SPECIFICATION.
An Improved Gas or Petroleum Engine or Motor.
I, EDOUARD ALBERT LE BRUN, of No. 4, Grande Rue, Montrouge (Seine), in the
Republic of France, Constructing 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:-
The subject of this invention is an improved gas or petroleum engine or motor,
comprising two cylinders coupled together at an angle of 180, the bi-secting line
of the angle being vertical. These two cylinders are fixed by their lower part upon
the top of a hermetically closed chamber containing the fly-wheels.
In the accompanying drawings illustrating the invention:-
Figure 1 is a front view of the motor or engine as a whole.
Figure 2 is a section along the plane represented by the line of Figure 3.
Figure 3 is a section along the two planes represented by the line Y-0--Y of
Figure 2.
The upper part of each cylinder is surmounted by an extension closed at the
extremity by a cap or cover, said extension comprising the explosion chamber A
and the distributing or valve-box D. communicating with the chamber A. by the
pipe c.
The distributing box D, which is also the igniting chamber, against which the
ignition tube a is fixed and kept constantly at red heat by any kind of burner,
electricity or other means, is surmounted by the suction inlet-valves, opening
downwards. This valve is held to its seat by a spring the tension of which
is slightly greater than the weight of the valve.
The bottom of the igniting chamber D is closed by the valve s². closing down-
wards. The said valve is guided by a long rod L passing freely or with slight
friction through the bearing band is held to its seat by a spring 1 acting on
the rod.
A special feature of the arrangement consists in the closing of each valve-box D
by means of screw-threaded stopper-like covers. This method of closing per-
mits of the inlet-valves s being readily inspected, and constitutes an improvement
in the construction of motors with superposed valves.
The two pistons P and P¹ working in cylinders B, B¹, are attached by means of
their rods e and e¹ to a single crank-pin & uniting the fly-wheels V, Vi by means
of a bayonet-joint.
The two fly-wheels are enclosed in the chamber C formed of three parts c¹, c², c³,
bolted together. The lower part of this chamber can be removed in order to
enable the connecting-rods e, el to be detached from d for their removal together
with the pistons P, P' and examination, when desired.
The cycle of the motor is four-phase, and the distribution is effected by a special
arrangement. This arrangement consists in a system comprising a valve-control-
ling rod and a tappet-rod, connecting-rod and crank for operating each exhaust-
valve at the right moment through the medium of the bent-levers m, m³.
The motion of the driving shaft G is transmitted to a plate f bearing the two

page_text: distributing cranks h, h¹ through the medium of the toothed wheels p, which
are in the ratio of one to two.
The distributing cranks h, h¹ are opposite in relation to the plate f, which unites
them, and form together a certain angle. To these cranks, the tappet-rods j, j³,
are attached.
The speed is regulated by means of a centrifugal governor u of any kind. This
governor, actuating the controlling-rod t, through the medium of an annular
box or collar Չ and the lever T, controls the speed of the engine.
When the normal speed is exceeded, the controlling-rod is carried forward by
the governor, and arrests in its course the horizontal arm of each bent-lever m, m,
m², m. In this manner, the tappet-rods j, j carrying the bent-levers, continue to
rise, but oscillate around their axes at z, z, and, their upper ends no longer coming
in contact with the valve spindles and raising the delivery valves, the burned
gases become compressed, the result being a diminution of the speed of the motor.
As soon as the speed has become normal, the controlling-rod t moves back again
and the action of the valves becomes normal also.
The explosion chambers A. A, and their covers as well as the valve boxes D
are surrounded by a circulation of water passing through the water jacket i, the
water for which enters at J (Figure 3) and passes out at k.
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
1. In a gas or petroleum engine or motor having cylinders united at an angle
and mounted upon a hermetically-closed chamber containing the connecting-rods
and fly-wheels the said cylinders having each a valve-box in extension of its outer
end, the combination with the outer extremity of the said valve-boxes of the screw-
threaded stopper or closing cap, substantially as and for the purpose.described.
2. In a gas or petroleum engine or motor having cylinders united at an angle and
mounted upon a hermetically-closed chamber containing the connecting-rods and
fly-wheels, the said cylinders having each a valve-box in extension of its outer end
containing superposed valves, the combination therewith of a centrifugal governor
mounted directly on the driving shaft, a sliding collar actuated by said governor,
tappets actuated by cranks actuating the delivery valves, and a speed-controlling
rod for diverting the tappets substantially as described and set forth.
Dated this 13th day of March 1899.
PHILLIPS & LEIGH,
22, Southampton Buildings, Chancery Lane, W.C.,
Agents for the Applicant.