Linear regulating valve

The invention relates to a linear regulating valve which comprises a middle valve body, an inlet valve body, an outlet valve body, a valve seat, a spherical valve element, an upper valve rod, a lower valve rod and a driving device. The driving device drives the upper valve rod to rotate so as to dri...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HUANG ZHENG, XIAO JIAFENG, LI YONG, HUANG HUI, WEI XINGQIAO, JIN RONG, ZHU AIHUA, LIU CHENGFENG, ZHU SHIYAO, ZHENG ZHENG, LU KAIYI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a linear regulating valve which comprises a middle valve body, an inlet valve body, an outlet valve body, a valve seat, a spherical valve element, an upper valve rod, a lower valve rod and a driving device. The driving device drives the upper valve rod to rotate so as to drive the spherical valve element and the lower valve rod to rotate. The spherical valve element rotates in a rotating plane perpendicular to the upper valve rod, a circulation groove with the two ends penetrating through the spherical valve element is formed in the side end, close to the outlet valve body, of the spherical valve element in the axial direction perpendicular to the inlet valve body and the outlet valve body and comprises a bottom face, and the bottom face passes through the circle center of the spherical valve element and forms an included angle alpha with the connecting line of the circle center of the spherical valve element and the contact point of the valve seat. The circulation groove rotates alon