Importance

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Abstract

A vaporizer for a liquefied petroleum gas engine with a cooling system employing coolant, includes a housing having first, second, and third chambers. The housing has a fuel inlet port which is connected to a lower portion of the first chamber to supply the latter with liquid fuel.An upper portion of the first chamber communicates with the second chamber to supply the latter with fuel. The cross-sectional area of the fuel inlet port is smaller than that of the first chamber so that the speeed of fuel flow through the first chamber will be lower than that of fuel flow through the fuel inlet port. The second chamber is in turn connected to the engine to supply the latter with fuel. A valve controls the communication between the first and second chambers to regulate pressure in the second chamber to such a level that liquid fuel will vaporize. The third chamber is connected to the cooling system to be supplied with the coolant. The third chamber is located near the first and second chambers in such a manner as to surround the first chamber so that the coolant in the third chamber will heat both liquid fuel in the first chamber and fuel vapor in the second chamber.

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First Claim