Carburetor with fuel enrichment

A carburetor having a first valve to control the application of pressure pulses to a fuel metering assembly of the carburetor through a first flow path and a second valve which controls at least a second flow path to provide an enriched fuel and air mixture to the engine to facilitate starting the e...

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Bibliographische Detailangaben
1. Verfasser:	WOODY JOHN C
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS WEAPONS
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Beschreibung
Zusammenfassung:	A carburetor having a first valve to control the application of pressure pulses to a fuel metering assembly of the carburetor through a first flow path and a second valve which controls at least a second flow path to provide an enriched fuel and air mixture to the engine to facilitate starting the engine and warming it up. The pressure pulses are preferably applied to a fuel metering diaphragm to actuate the diaphragm and cause a richer than normal fuel and air mixture to be delivered to the engine. Desirably, a maximum enrichment of the fuel and air mixture is obtained when at least one valve is open to facilitate starting the engine, and a lesser enrichment of the mixture may be obtained by closing a valve to facilitate warming the engine up after it is initially started.