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John Alpheaus Paull
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Control Of The Air-Fuel Ratio Of Carburetors
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Abstract
16,185. Paull, J. A. July 30. Gas or explosivevapour engines, carburetting in. The fuel is fed under pressure by gravity or by means of a spring. The air and f u e supplies are controlled simultaneously, and air may be admitted after the fuel is cut off. Fuel from the inlet b is supplied to the annular passage e, which communicates with grooves f, Fig. 1, in the seat of the valve h. This valve, which is held down by the spring d, is provided with a number of fuel jets n, the upper portions of which terminate in very fine orifices, and also with a conical head t and an extension i acting as an air valve. This extension works in conjunction with the casing j, the ports m in which are much shorter than the ports p in the extension j. With this arrangement the fuel and air supplies can be opened up gradually, and the fuel can be cut off with the air supply at its maximum by rotating the valve h continuously in one direction. The extension s deflects the air over the fuel jets. With this carburettor, which works in any position, inverted if desired, no float-feed apparatus is used.
GB190816185D1908-07-301908-07-30Improvements in Carburettors for Internal-combustion Engines.
ExpiredGB190816185A
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