High capacity four-way change-over valve

The utility model relates to a large-capacity four-way reversing valve, which is complied to a heat pump air conditioning, and comprises a main valve composed of a cylinder and a reversing piston moved in the cylinder, and a pilot valve controlling the main valve to converse, wherein the pilot valve...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	PEIYU,FENG CAI
Format:	Patent
Sprache:	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 utility model relates to a large-capacity four-way reversing valve, which is complied to a heat pump air conditioning, and comprises a main valve composed of a cylinder and a reversing piston moved in the cylinder, and a pilot valve controlling the main valve to converse, wherein the pilot valve is an electromagnetic four-way reversing valve, which comprises a four-way reversing valve and an electromagnetic guide valve controlling the four-way reversing valve. The large-capacity four-way reversing valve of the utility model is characterized in low resistance of the fluid flow, uneasy leakage, and reliable in conversion in service. In addition, the guide valve of the utility model, which is easy to implementaiton, can be replaced by the four-way reversing valve of appliance air conditions.