Gas tank head parts

The utility model relates to a thermostatic expansion valve structure used for the throttling expansion of fluid media, particularly a novel air box component, which is divided into an upper cavity and a lower cavity by a diaphragm which works in response to superheat change; the lower side of the d...

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Bibliographische Detailangaben
Hauptverfasser:	GANGMING LU, LANG LIU, YINGAN ZHU, ZHENGSONG ZHENG, LINGQIU LU
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 thermostatic expansion valve structure used for the throttling expansion of fluid media, particularly a novel air box component, which is divided into an upper cavity and a lower cavity by a diaphragm which works in response to superheat change; the lower side of the diaphragm is provided with a transmission sheet. The utility model is characterized in that the diaphragm is provided with at least two layers. When the diaphragm works, the diaphragm can bear high pressure force and not generate the phenomenon of plastic deformation; besides, the perfect displacement curves can be generated under the pressure force with more change; therefore, the performance of the thermostatic expansion valve is improved. The utility model is suitable for the current R410A, R407C, etc. refrigeration air conditioning systems with high evaporating pressure force.