Engine check valve and engine

The invention discloses an engine check valve and an engine. The engine check valve comprises an upper cavity assembly, a lower cavity assembly and a valve element assembly, and the valve element assembly is movably arranged in the upper cavity assembly and the lower cavity assembly; the valve eleme...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANG GUOGANG, WANG JINLI, JING DONGWEI, SUN BANGJIANG, FAN XIMIN, LI KAI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS CRANKCASE VENTILATING DEVICES FOR VENTING OR AERATING ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING LUBRICATING LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses an engine check valve and an engine. The engine check valve comprises an upper cavity assembly, a lower cavity assembly and a valve element assembly, and the valve element assembly is movably arranged in the upper cavity assembly and the lower cavity assembly; the valve element assembly comprises a cylindrical valve body, a conical valve body and a supporting block, the first end of the cylindrical valve body is connected with the conical valve body, the supporting block is arranged at the second end of the cylindrical valve body, the extension line of the supporting block in the length direction is perpendicular to the axis of the cylindrical valve body, and the supporting block is arranged around the axis of the cylindrical valve body to form a petal structure. A gap is formed between every two adjacent supporting blocks. The conical valve body is completely attached to the inner circumferential wall of the lower cavity assembly to seal the lower cavity assembly, lubricating oil is r