FOUR-WAY VALVE AND AIR CONDITIONING SYSTEM PROVIDED WITH SAME

A four-way valve (100) and an air conditioning system (300) provided with same. The four-way valve comprises a valve body (10), a piston (20), and a sealing member (30), the valve body (10) being internally provided with a valve cavity (11), the piston (20) being movably arranged in the valve cavity...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN, Zhehang, FENG, Zhongbo, XUAN, Yongbin
Format:	Patent
Sprache:	chi ; eng ; fre
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 four-way valve (100) and an air conditioning system (300) provided with same. The four-way valve comprises a valve body (10), a piston (20), and a sealing member (30), the valve body (10) being internally provided with a valve cavity (11), the piston (20) being movably arranged in the valve cavity (11), the sealing member (30) being arranged on the piston (20), and at least part of the sealing member (30) being attached to the cavity wall of the valve cavity (11); the piston (20) divides the valve cavity (11) into a high-pressure cavity (111) and a low-pressure cavity (112) that are not in communication with one another, the piston (20) being provided with an air channel structure (21) in communication with the sealing member (30), the air channel structure (21) being in communication with the high-pressure cavity (111), and a medium in the high-pressure cavity (111) being in contact with the sealing member (30) by means of the air channel structure (21). The high-pressure medium provides pressure for the s