457 mpg w/ petrol ; 266 mpg w/
17 January 2013
Otago Daily Times ( New Zealand )
100 Years Ago: 17 January 1913
Mounted on a two and a half horse power torpedo motor cycle, and
travelling at a fairly uniform rate, Mr E. R. Godward (says the
Southland Times) rode 41 times around the quarter-mile track at
the Caledonian grounds at Invercargill on Monday afternoon. The
occasion was the testing of an invention framed by Mr Godward
whereby the consumption of petrol is diminished to a very
The results obtained at previous tests had been made known, and
their nature aroused curiosity in many cases and incredulity in
others. The test was carried out under the strictest scrutiny. The
nature of the apparatus by which the saving is effected has not
been disclosed, as Mr Godward maintains that it is as yet only in
the experimental stage. From external appearances the engine is
practically unaltered. The petrol and oil tank is slightly larger
than the average tank, and a pipe whereby hot air is drawn off the
cylinder into the tank is the main alteration in the mechanism.
There was a fairly sharp breeze blowing when the test was made,
and the rider ran an extra lap in order to satisfy critics that he
had covered the required distance. He did a full 10 miles, at an
average speed of about 22 miles an hour, and it was found that 3
1/2oz of petrol had been used, equivalent to a run of 457 miles
per gallon. A test with kerosene over a five-mile run at an
average speed of 26 miles an hour worked out at 3oz, or equivalent
to 266 miles per gallon. After the latter test the ignition plug
was removed, and it was found to be quite free of carbon deposits,
a fact which will be noted with surprise by many motorists.
Improvements in Carburettors of the
"Internal Combustion Engine" Type.
Spray carburettors -A carburettor primarily intended for
motor-cycles comprises a spray carburetting-device 13 which is
mounted below and fed by gravity from the petrol tank 1, and a
surface apparatus through which the mixture passes comprising
lengths of hose 5 made of turkish towelling or the like joined
together by headers of the same material and all expanded by
lengths of metal 10 of X-section. The surface apparatus forms the
base of the petrol reservoir 1. The mixture finally traverses
separate air and throttle valves in one casing 35 and a roll of
This invention relates to carburettor apparatus used for
carburetting air to produce fuel for internal combustion engines.
In carburettors of the type most frequently used, the liquid fuel
was introduced into the combustion chamber from a point in close
proximity thereto and in quantities in excess of that required to
carburet the air with the result that a certain amount of raw fuel
passed through the combustion chamber without utilization and was
It is the object of the present invention to provide improved
apparatus whereby this disadvantage is overcome, the liquid fuel
being atomized and mixed with air, and the mixed air and atomized
fuel being then passed through a. length of absorbent material
whereby the liquid fuel which is not absorbed by the air is
collected by the absorbent material and is retained thereby until
sufficient air passes through the absorbent material to absorb the
excess of fuel. In this way the lighter and more volatile
hydrocarbons are held in suspension by the air assisted by the
partial vacuum resulting from the suction stroke of the engine,
while the heavier and less volatile hydrocarbons are caught by the
absorbent material and gradually supplied to the air passing
through the apparatus. The results are that a more uniformly
carburetted air is supplied which may be used advantageously for
internal combustion engines, illuminating and other purposes, and
waste of fuel is avoided.
Thus, provision is made of an apparatus whereby a uniform mixture
is obtained which is free from excess fuel. It is well known that
petrol comprises numerous particles having different degrees of
volatility, and when fed to a system of the class described, the
lighter and more volatile hydrocarbons will be absorbed by the air
introduced at the inlet end and induced to travel through the
compartments containing the absorbent material by the vacuum
produced by the induction stroke of the engine. As air will only
absorb. a certain quantity of petrol in the process of forming the
mixture and the supply of petrol is greater than the air can
absorb, the heavier or less volatile hydrocarbons are caught by
the absorbent material in the system .and prevented from flowing
to the cylinder or engine in liquid form, as the lining is longer
than is necessary to absorb the lesser volatile hydrocarbons, the
outlet end of the lining remaining dry, that is to say, free from
petrol, and consequently the mixture will be uniform and wore
homogeneous 'in passing from the chamber, it being obvious that
after the heavier hydrocarbons have been absorbed by the lining,
the mixture must pass the end of the lining which is substantially
free from hydrocarbon in liquid form.
In the drawings :-
Figure 1 is an elevation of the apparatus.
Figure 2 is an elevation showing' the opposite side of the
'apparatus to that Illustrated in Figure 1.
Figure is a sectional elevation of the tank and mixture
Figure 4 is a cross section through A-B, Figure 3.
Figure 5 is a sectional plan along the line C-D, Figure 3.
Figure 6 is an enlarged sectional -view of one of the mixture,
Figure 7 is an end section thtough E-F, Figure 2.
Figure 8 is a detail of. the fabric-lined conduits.
A petrol tank (1) of ordinary design is used; having the usual
vertical partitions (2) dividing the lubricating oil and the
petrol, a horizontal division (3) terming the bottom of the petrol
tank, and a cover for the container compartment (4). The
compartment (4) is divided longitudinally, preferably with metal
partitions a little shorter than the length of the compartment;
one end of each alternate partition (4'\) and (48) being attached
to one end".(4") of the compartment, and one end (4it) of the
intermediate partition (41)1), is attached to the opposite end
(4F) of the compartments. The spaces -between the .said partitions
are hereinafter termed " conduits ".
The container comprises a series of these conduits inserted in the
compartment (4) placed side by side; four of- the said conduits
are shown in Figure 4 numbered (5), (G), (7), and (8). ''Provision
is made to line the 'conduits with fabric, indicated at (9) made
preferably -- from Turkey towelling, hereinafter called the
stocking. The stocking is held expanded in contact with the
interior surface of the conduits by any suitable means. One method
shown consists of a bar (10) resembling iu section the letter X,
one length thereof being used for each conduit in the container as
indicated in Figures 4, (!, and' 8. The"X shaped bars are inserted
within the. stocking thus keeping the corners (10B), (10), (10a)
and (10) in contact with' the stocking and retaining it in a
semi-stretched condition against the interior surface of the metal
conduits. A method of constructing the stocking is shown in Figure
8, (the view being broken at (G) and (H) to show the X shaped bars
(10)), two fabric lined conduits being placed side by side; (9A)
represents a portion of the stocking (9) joining the two fabric
lined conduits together; three of these portions (9A) would lie
j'enjuired whey there are four fabric lined conduits as
illustrated in Figure 5. The portions (9A) may have short X shaped
sections to maintain them normally stretched if desired. The Inlet
to the stocking is indicated at (11) Figure 2, the section thereof
developing from squire at (12) to a circular shape at the inlet
(11) to enable a handy coupling being made with the atomiser (13).
Precautions are taken in the event of an excess of petrol lodging
in the container. The outlet pipe (4c) is produced to within the
container as indicated in Figure 1, and a suitable gauze cap (4H0
is placed over the outlet. Apparatus is fitted between the
container outlet (4G) and the cylinder of the engine, comprising a
throttle (34), auxiliary air inlet (35) and it gauze chamber (3G).
The throttle and air inlet may be controlled in the ordinary way
by a Bowden control having the usual levers mounted on the handle
bars or in some convenient position. The control connections are
indicated at (34A) and (35A), Figure 1.
METHOD OF AND APPARATUS FOR CARBURATION
Improvements in or relating to Carburetters for Internal
Vaporizer for liquid fuel
Appareil et procédé pour produire un combustible gazeux sec
Auxiliary heater and vaporizer
Exhaust manifold for internal combustion engines
Fuel delivery system for internal combustion engines
Liquid fuel mixture vaporizer
Perfectionnements aux vaporisateurs de combustible pour moteurs
à combustion interneet autres
Appareils de vaporisation
Vaporisateur perfectionné pour la production de mélanges
Perfectionnements aux carburateurs
Petrolvergaser für Verbrennungskraftmaschinen
METHOD OF AND APPARATUS FOR CARBURATION.
Appareil de carburation.
Procédé et dispositif de vaporisation pour carburateurs
Vaporizer for volatile-fuel mixtures
Perfectionnements aux carburateurs
APPARATUS FOR CARBURIZING HYDROCARBONS
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