Vortex Pump - Kuryu Pump

Japanese: 渦流ポンプ - かりゅうぽんぷ
Vortex Pump - Kuryu Pump

...A screw pump works by rotating two or three interlocking screw rods to produce a pumping action, and is mainly used for oil pressures of several to 20 MPa.
[Special pump]
(1) Vortex pump Also called a friction pump, this pump rotates an impeller with many grooves on the outer circumference of a disk attached to a shaft at high speed, and the liquid sandwiched between the outer casing and the outer circumference of the impeller flows around the circumference as the impeller moves from the suction port to the discharge port (Figure 6). It is smaller than a centrifugal pump and has a low flow rate, but can generate relatively high pressure, and is widely used as a pump for domestic wells.

*Some of the terms used in reference to "vortex pumps" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…ねじポンプは2本あるいは3本のねじ棒をかみ合わせながら回転させることによりポンプ作用をさせるもので,主として油用で数~20MPa程度の圧力に対して使用される。
[特殊形ポンプ]
 (1)渦流ポンプ 摩擦ポンプともいい,軸に取り付けられた円板の外周に多くの溝を設けたインペラーを高速で回転させるもので,外側のケーシングとインペラー外周部との間にはさまれた液体はインペラーにつれて円周上を流れ,吸込口から吐出口へ移動する(図6)。渦巻ポンプに比べて小型であり,流量は少ないが比較的高い圧力が得られ,家庭井戸用のポンプとして広く用いられている。…

※「渦流ポンプ」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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