FLOAT OPERATED VENT VALVE ASSEMBLY FOR FUEL TANK

PROBLEM TO BE SOLVED: To provide a float operated vent valve assembly for fuel tank which completely closes a vent port during refueling and completely open the vent port again at the time of operating an engine. SOLUTION: In this float operated vent valve assembly 10 for fuel tank, a float assembly...

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Bibliographische Detailangaben
Hauptverfasser:	JAHNKE RUSSELL C, ZORINE MAXIM V
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING COCKS COMBUSTION ENGINES DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS 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 INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TAPS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TRANSPORTING VALVES VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a float operated vent valve assembly for fuel tank which completely closes a vent port during refueling and completely open the vent port again at the time of operating an engine. SOLUTION: In this float operated vent valve assembly 10 for fuel tank, a float assembly 32 stores a flexible valve member having a bead rim around its periphery in a cage so as to limit motion movement. A backing plate, provided at the underside of the valve member, is pivoted on a curved surface on the top of a float to ensure self-alignment of the valve member on a valve seat 26 of the vent port 24 when the float is moved upward for closing the vent port during refueling. When fuel is consumed and the float drops, the angled and inclined surface of the cage comes into contact with the bead rim on the valve member and effects a peel-away re-opening of the valve port.