Drain pump

Drain pump

There is provided a drain pump that maintains pump performance, such as a head and the amount of discharged water, and may reduce noise and vibration accompanying with the water scooping of a rotary impeller. A large-diameter blade 101 is divided into an inner blade 102 that extends outward from a s...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Sato, Katsushi, Nemoto, Shinichi, Yamabiraki, Kenji, Kato, Yuya
Format: Patent
Sprache:eng ; fre ; ger
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:There is provided a drain pump that maintains pump performance, such as a head and the amount of discharged water, and may reduce noise and vibration accompanying with the water scooping of a rotary impeller. A large-diameter blade 101 is divided into an inner blade 102 that extends outward from a shaft portion 52, and an outer blade 103 that extends inward from a ring member 64. A radius of an impeller scooping up water, that is, the sum of the lengths of the inner and outer blades 102 and 103 in a radial direction is set to be substantially equal to the length of a large-diameter blade of a drain pump in the related art in the radial direction.