Gate valve

A gate valve comprises a valve box, a valve body, a rotating shaft, a rotating shaft driving part, a movable valve part, a valve box force applying part, an oil pressure driving part, an oil pressuregenerating part, a driving part, a power supply, a first non-excitation operation type brake, a secon...

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Bibliographische Detailangaben
Hauptverfasser:	INOUE HIDEAKI, WADA SHINICHI, SUZUKI MIKIYA, TSURU SHUNSUKE, TERUI TAKAAKI, ISHIDA TOMOYA, TOKUHIRA SHINNOSUKE, WADE TAKUYA, SARUWATARI JIRO, SAKODA SEIYA
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:	A gate valve comprises a valve box, a valve body, a rotating shaft, a rotating shaft driving part, a movable valve part, a valve box force applying part, an oil pressure driving part, an oil pressuregenerating part, a driving part, a power supply, a first non-excitation operation type brake, a second non-excitation operation type brake and a brake operation releasing part used for releasing operation of the first non-excitation operation type brake and the second non-excitation operation type brake. 本发明的闸阀包括阀箱、阀体、旋转轴、旋转轴驱动部、可动阀部、阀箱施力部、油压驱动部、油压产生部、驱动部、电源、第一无励磁操作式制动器、第二无励磁操作式制动器和用于解除所述第一无励磁操作式制动器及所述第二无励磁操作式制动器的运行的制动操作解除部。