JPH05239987

PURPOSE:To provide a jet pump device which is equipped with an enhanced suction power. CONSTITUTION:A jet pump body having a straight passage leading coaxially to a suction pipe is provided with a plurality of jetting passages 59 in the circumferential arrangement on the jet pump body, wherein the p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	MARUYAMA MANABU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DREDGING EARTH DRILLING FIXED CONSTRUCTIONS FOUNDATIONS HEATING HYDRAULIC ENGINEERING LIGHTING MECHANICAL ENGINEERING MINING MINING OR QUARRYING 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 SOIL SHIFTING WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a jet pump device which is equipped with an enhanced suction power. CONSTITUTION:A jet pump body having a straight passage leading coaxially to a suction pipe is provided with a plurality of jetting passages 59 in the circumferential arrangement on the jet pump body, wherein the passages 59 are arranged more alongside the axis of the straight passage as positioned uppermore and put in communication with the straight passage 57. These jetting passages are fitted with a nozzle piece having the first passage to spout the pressure water given by the pump in the center and the second nozzle piece 82 to spout compressed air from tone second passage formed ring-shapedly in the area to the first nozzle piece and surrounding the foremost part of the first nozzle pierce.