Improvements in and connected with the Inlet-valves of Petroleum-motors.
Year: 1895

page_text: Date of Application, 24th July, 1895-Accepted, 14th Mar., 1896
COMPLETE SPECIFICATION.
Improvements in and connected with the Inlet-valves of
Petroleum-motors.
I, FRIEDRICH DURAND, of Cannstatt, in the Kingdom of Württemberg, German
Empire, Director, 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 refers to valves of the kind used in petroleum-motors for
admitting the petroleum as well as air to the compression-chamber or the cylinder
of the motor. My improvements in valves of said kind relate, first, to the
arrangement of a sieve or the like between the inlet-nozzle for the petroleum and
the valve proper, and, second, to the combination of the casing of the valve with
another casing enclosing the former, and connected at one side with the outlet-
channel of the motor, and at the other side with the waste pipe of the same.
purpose of my improvements is to cause the petroleum and the air to mix very
thoroughly, and to heat that mixture by the hot products of combustion escaping
into the waste-pipe.
The
Referring to Figs. 1 and 2 of the accompanying drawing, a designates the valve-
casing, within which is arranged the sieve ; the latter is situated between the
inlet-nozzle c' of the petroleum-pipe c, and the valve proper a 2.
The air streaming
through the casing a, and carrying the petroleum with it, is compelled to flow
through the sieve b, so that a very thorough mixing of the two components is
produced thereby. The mixture then enters the compression-chamber d' of the
cylinder d through the channel d 2.
The middle-portion of the valve-casing a is enclosed by a casing e connected by
the pipe e with the outlet-channel of the cylinder, and by pipe e 2 with the waste-
pipe proper of the same; the hot products of combustion are thus compelled to pass
through said casing e, and to wash the enclosed portion of the casing a.
Said
portion is, therefore, heated, and heats in its turn the mixture of the petroleum and
air flowing through it.
I prefer to heat the petroleum not only after being mixed with air, but prior
thereto, too; for this purpose I lead the petroleum-pipe c through the hot outlet-
pipe el, as represented in Figs. 1 and 3.
In some cases I prefer to make the valve-casing a bipartite, in such a manner, that
the valve proper a 2 with its spindle a 3, and with the guide a 4 for the latter may be
removed from the other parts, so that said valve and its seat may be more easily
cleaned. I have shown this arrangement in Figs. 3 and 4 of the drawing, in
which a a¹ are the two parts of the casing. The part a' is made integrally with
the guide-piece a 4 for the spindle a 3, and with the seat for the valve proper a 2; and
may be taken out of the part a.
The casing a may in this form of construction as well as in that first described be
provided with ribs a 5 (Figs. 1 and 2) arranged within the casing e; the outer surface
of the respective portion of casing a is greatly increased thereby, and the heat of
the escaping explosion-gases is thus very effectively exhausted.
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. In a combined petroleum- and air-inlet-valve for petroleum-motors, the com-
bination with the casing of the valve proper, of a petroleum-inlet-nozzle arranged

page_text: above said valve with regard to the direction of the air, and of a sieve or equivalent
part situated between said petroleum-inlet-nozzle and the said valve, for the
purpose as described.
.
2. In a combined petroleum- and air-inlet-valve for petroleum-motors, the
combination with the casing of the valve proper, of a petroleum inlet nozzle
arranged above said valve with regard to the direction of the air, and of a sieve or
equivalent part situated between said petroleum inlet nozzle and the said valve;
said casing being enclosed by another casing adapted to be inserted into the
exhaust-pipe for the products of combustion of the motor, for the purpose as
.described.
3. In a combined petroleum- and air-inlet-valve for petroleum-motors, the
combination with the casing of the valve proper, of a petroleum inlet nozzle
arranged above said valve with regard to the direction of the air, and of a sieve or
equivalent part situated between said petroleum inlet nozzle and the said valve;
said casing being enclosed by another casing adapted to be inserted into the
exhaust-pipe for the products of combustion of the motor, and having ribs extending
from its outer surface into said second casing, for the purpose as described.
4. In a combined petroleum- and air- inlet-valve for petroleum-motors, the
combination with the casing of the valve proper, of a petroleum inlet nozzle
arranged above said valve with regard to the direction of the air, and of a
sieve or equivalent part situated between said petroleum inlet nozzle and the said
valve said casing consisting of two portions enclosing one the other, the inner
portion forming the valve-seat and the guide for the valve-spindle, the outer portion
being enclosed by, another casing adapted to be inserted into the exhaust-pipe for
the products of combustion of the motor, for the purpose as described.
Dated this 24th day of Tul. 1905
J. P. BAYLY,
18 Fulham Place, W., Agent for the Applicant.