Proportional valve with improved sealing fit

The invention relates to a proportional valve for controlling gaseous mediums, especially hydrogen. The proportional valve comprises a nozzle body (2) having at least one through hole (3); a sealing element releasing and closing a through hole (3) on a valve seat (21); and an elastic sealing element...

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Bibliographische Detailangaben
Hauptverfasser:	BOZZAI TIBOR, HERR JOHANN, SCHINDLER RALF, ILGNER FRANK, WILL CHRISTIAN, STIER HUBERT
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION 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 LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TAPS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a proportional valve for controlling gaseous mediums, especially hydrogen. The proportional valve comprises a nozzle body (2) having at least one through hole (3); a sealing element releasing and closing a through hole (3) on a valve seat (21); and an elastic sealing element (5) sealing the valve seat (21). The sealing element (5) has a hollow groove (50) with an inner wall area (51) and pressure for loading gaseous mediums inside the inner wall area (51) when the proportional valve is closed.