EXPANSION VALVE

An orifice (60) formed in a valve seat (12) has an orifice entrance (61) having the smallest diameter, an orifice middle section (62) which widens in diameter along the direction of refrigerant outflow from the orifice entrance (61) so as to form a first taper angle, and an orifice exit (63) which e...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TOMIOKA, Keiji, KIKUCHI, Yoshimasa, FUKUOKA, Motohiko, WAKISAKA, Shigetaka, SHIMAMURA, Takashi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS COMBINED HEATING AND REFRIGERATION SYSTEMS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	An orifice (60) formed in a valve seat (12) has an orifice entrance (61) having the smallest diameter, an orifice middle section (62) which widens in diameter along the direction of refrigerant outflow from the orifice entrance (61) so as to form a first taper angle, and an orifice exit (63) which either widens in diameter or does not change in diameter along the direction of refrigerant outflow from the orifice middle section (62) so as to form a second taper angle smaller than the first taper angle.