PUMP WITH AIR INJECTION DEVICE

PROBLEM TO BE SOLVED: To provide a pump with an air injection device preventing an air inflow from being obstructed by dust and a circulation flow inside the pump. SOLUTION: This pump is provided with the air injection device forcedly feeding air to the inside of a pump casing. The air injection dev...

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Bibliographische Detailangaben
Hauptverfasser:	ASANAGI TSUNEO, SASE TOSHIJI, SATO KAZUYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a pump with an air injection device preventing an air inflow from being obstructed by dust and a circulation flow inside the pump. SOLUTION: This pump is provided with the air injection device forcedly feeding air to the inside of a pump casing. The air injection device comprises an air pumping device 1, which is driven by being mechanically connected to a pump shaft 5 and an air feed pipe 11 guiding the pumped air of the air pumping device to the inside of the pump casing in the suction side of a pump impeller 8.