Improvements connected with Explosive Vapour Power Engines.
Year: 1897

page_text: PROVISIONAL SPECIFICATION.
Improvements connected with Explosive Vapour Power Engines.
I, THOMAS MYERS, of "Cleveden,” Portmore Park, Weybridge, Surrey, Engineer,
do hereby declare the nature of this invention to be as follows:-
This invention relates to certain improvements connected with explosive vapour
power engines chiefly for use in the propulsion of road vehicles, the object being to
make these engines more efficient, less noisy, and to remove the objectionable smell
heretofore experienced by ensuring more perfect combustion, besides reducing the risk
of fire by doing away with the heating lamp, except for a few minutes at starting.
For the purpose of this invention, I construct and employ in direct connection with
the combustion space of the working cylinder, a multitubular form of vapouriser having
the tubes arranged like a bridge or arch struck from a centre, on or near which I
arrange a cylindrical ignition chamber in such a manner that the flame from the
heating lamp used at starting may freely circulate in the segmental annular space
formed between my ignition chamber and my arched vapouriser and pass out through
a central rectangular opening between the tubes of my vapouriser.
My ignition chamber is fitted with a series of thin plates, tubes, wires, or coils of
refractory material, and is connected with my combustion space by a passage in which
I place a mechanically controlled ignition valve of ordinary construction for the purpose
of firing the compressed charge of oil and air at the right time, this valve remaining
open during the explosion stroke in order to re-heat the igniter.
At the end of my arched vapouriser opposite to that connected with my combustion
space, I place my air and oil charging valves in such a manner that when the working
piston makes its outward or induction stroke, the pressure of the atmosphere opens the
spring loaded charging valve, and the charge of oil spray and air is drawn into the
cylinder through all the tubes of the vapouriser equally, the oil being thoroughly
vapourised by the heat stored up by the previous explosions.
To ensure a positive and regular charge of oil at exactly the right time, I attach a
circular flange or plate to the outer ends of the air induction, or charging valve spindle
and beneath the flange but not in actual contact with it when the induction valve is on
its seat, I arrange another circular flange or plate attached to the spindle of an oil
supply valve or suitable measuring pump in such a manner that when the air induction
valve opens, the flange on its spindle comes in contact with the flange on the spindle
of the oil valve or measuring pump and causes it to descend against the action of a
spring, and deliver the required quantity of oil through a fine spraying nozzle into the
mixing chamber directly above the air induction valve. The pump plunger or valve
face is of cork or has a cork packing which in practice I find is more reliable than
metal or leather for the purpose.
*

page_text: improvements connected with Explosive vapour Power Engines,
to
I, THOMAS MYERS, of "Clevedon, " Portmore Park, Weybridge, Surrey, Engineer,
do hereby declare the nature of this invention and in what manner the same
be performed to be particularly described and ascertained in and by the following
statement :-
This invention relates to certain improvements connected with vapour power engines,
chiefly for use in the propulsion of road vehicles, the object being to make these
engines more efficient, less noisy, and to remove the objectionable smell heretofore
experienced by ensuring more perfect combustion, besides reducing the risk of fire by
doing away with the heating lamp, except for a few minutes at starting.
My invention is clearly shown on the annexed two sheets of drawings in which on
Sheet 1 I represent in longitudinal section the arrangement of appliances affixed to one
end of a cylinder, and on Sheet 2 a transverse section of the same through the line x, x,
of the section shown on Sheet 1.
For the purpose of this invention, I construct and employ in direct connection with
the combustion space A of the working cylinder B a multitubular form of vapouriser C
having the tubes D, D, arranged like a bridge or arch struck from a centre, on or near
which I arrange a cylindrical ignition chamber E in such a manner that the flame from
the heating lamp used at starting may freely circulato in the segmental annular space F
formed between my ignition chamber E and my arched vapouriser C and pass out
through a central rectangular opening G between the tubes of my vapouriser.
My ignition chamber E is fitted with a series of thin plates, tubes, wires, or coils of
refractory material H, and is connected with my combustion space A by a passage I in
which I place a mechanically controlled ignition valve J of ordinary construction, for
the purpose of firing the compressed charge of oil and air at the right time,
this valve J remaining open during the explosion stroke in order to re-heat the
igniter H.
At the end of my arched vapouriser Copposite to that connected with my combustion
space, I place my air and oil charging valve K in such a manner that when the
working piston makes its outward or induction stroke the pressure of the atmosphere
opens the spring loaded charging valve K, and the charge of oil spray and air from L
is drawn into the cylinder B through all the tubes D of the vapouriser equally, the oil
being thoroughly vapourised by the heat stored up by the previous explosions.
To ensure a positive and regular charge of oil at exactly the right time, I attach a
circular flange or plate M to the outer ends of the air induction or charging valve
spindle P and beneath the flange, but not in actual contact with it when the induction
valve K is on its seat; I arrange another circular flange or plate Q attached to the
spindle R of an oil supply valve or suitable measuring pump S in such a manner that
when the air induction valve K opens, the flange M on its spindle P comes in contact
with the flange Q on the spindle R of the oil valve or measuring pump S, and causes
it to descend against the action of a spring T and deliver the required quantity of oil
through a fine spraying nozzle U into the mixing chamber L directly above the
air induction valve K. The pump plunger or valve face W is of cork or has a
cork packing, which in practice I find is more reliable than metal or leather for the
purpose.
Having now particularly described and ascertained the nature of this inven
tion and in what manner the same is to be performed I declare that what I
claim is :-
The arrangement of apparatus shown on the annexed drawings comprising the

page_text: arched bridge C, tubes D, chamber F, igniter H, charging valve K, plates M
and Q, cork faced oil valve W all for operation in the manner and for the purposes
explained.
H. GARDNER,
Patent Agent, 166 Fleet Street, London,
Agent for the said Thomas Myers.
The 6th day of May 1897.
H. GARDNER,
Patent Agent, 166 Fleet Street, London,
Agent for the said Thomas Myers.