EJECTOR

PROBLEM TO BE SOLVED: To provide an ejector capable of reducing noise caused by expansion wave of a discharged fluid.SOLUTION: An ejector is provided with a nozzle 110: having a throat 113 in which a fluid channel 111 with a circular cross-section is formed inside and a cross-sectional area of the c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YAMADA ETSUHISA, NISHIJIMA HARUYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BYUSING INERTIA OF FLUID TO BE PUMPED PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SIPHONS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an ejector capable of reducing noise caused by expansion wave of a discharged fluid.SOLUTION: An ejector is provided with a nozzle 110: having a throat 113 in which a fluid channel 111 with a circular cross-section is formed inside and a cross-sectional area of the channel is most reduced in the middle of the fluid channel 111, and a divergent part 114 whose cross-sectional area of the channel expands going downstream from the throat 113 for reducing a pressure of a fluid flowing into the throat 113; and discharging it from a discharge port 114a at a downstream-side tip of the divergent part 114. A recess 115 extending along a circumference of a channel wall surface 114b by one turn is formed in the vicinity of the discharge port 114a of the channel wall surface 114b of the divergent part 114.