from The Century Dictionary and Cyclopedia
- n. An apparatus for adding hydrocarbons to non-luminous or poor gases, for the purpose of producing an illuminating gas.
- n. A hydrocarbon used for this purpose.
- n. Also carburetter, carburettor.
- n. Carbureters are also used for impregnating a current of atmospheric air with a mist or vapor from a liqnid hydrocarbon, so that it becomes a combustible or explosive mixture suitable for use in internal-combustion motors. In the early forms of carbureter the air moved over a surface like a wick, by the capillary action in which gasolene was evaporated into the air. In later forms the air was caused to bubble through a thin layer of liquid gasolene, or was blown over the surface of the latter. In those now in nse a small jet of gasolene is forced through a needle-hole, by difference of pressure, into the current of moving air at each aspiration of the working cylinder. In the float-carbureters the jet is controlled by a valve actuated by a float. As the float rises, when the float-chamber fills, the needle-hole is closed. In others the gasolene inlet is opened by the same difference in air-pressure which causes the air-valve to lift The same valve-surface may control and close both inlets. Carbureters may use alcohol or kerosene as sources of carbon, bnt with the less volatile liquids the carbnreters must be vaporizers as well as atomizers, that the fuel may not separate from the air by liquation or condensation. This vaporization is effected by using heat above that of the atmosphere, either from an outside flame or by conducting waste heat from exhaust gases. When the carbureter supplies too much fuel, the mixture bnrns badly in the cylinder, and unburned fuel in the exhaust gases makes them visible as smoke and produces an offensive odor. When the needle-hole becomes clogged, the motor gets no fuel and will not run.
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The gasoline fills the carbureter, which is the thing which feeds the engine automatically.
“I need to check on that carbureter I patched back together.”
The previous series 681 Nash Sixes of 1921, 1920, and 1919, which were equipped with the Model "E" Marvel Carbureter as standard equipment, can be very greatly improved by the installation of the Model "S" carbureter, exhaust damper body assembly necessary for same, and the hot air stove assembly that goes with this installation.
Following is the complete Parts Price List of the Model "S" carbureter, damper body assembly and stove parts for same.
It should be noted that the gasoline lines are clear, that there is gasoline in the vacuum tank, that there are no leaks at connections between carbureter and engine, that the ignition system is in proper condition, and that there is even compression in all cylinders.
No change should be made in the carbureter adjustments until after an inspection has been made to determine if the trouble is in some other unit.
This change is all that is necessary in order to reduce the amount of heat applied to carbureter.
Main-Exhaust-Heat-Valve, thus allowing the increasing volume of the exhaust gases to pass on out through the main exhaust pipe without being deflected and by-passed to the carbureter heat-jacket as the motor speed increases.
"C" by means of the long connecting rod, in closed position with the closed or idling position of the throttle valve, thus providing for and causing all of the exhaust gases of the engine to pass through the heat jacket of the carbureter when engine is idling and to regulate the volume of this heat as throttle is opened by automatically opening the
The purpose of the carbureter heat jacket and valve in exhaust line with connections described, is to provide means for utilizing the heat of the exhaust gases of the motor for vaporization of the fuel supplied the engine by the carbureter and to do so automatically.
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