JP2003201994A5

JP2003201994A5 -

Info

Publication number: JP2003201994A5
Application number: JP2001400401A
Authority: JP
Filing date: 2001-12-28
Publication date: 2004-12-16

Description

【０００９】
請求項２に記載の発明は、羽根車直径が１０ないし１３０ｍｍ、かつ、羽根車通液路の高さ及び幅が０．５ないし６ｍｍであることを特徴とする。
請求項３に記載の発明は、ポンプケーシングの内部に、主軸の一端に固定した羽根車を配置した遠心ポンプにおいて、該羽根車は主板と側板を有し、該羽根車翼入口から翼出口間で、該羽根車通液路の高さと幅を同一寸法として、最高効率点における吐出し量が０．００５ないし１００Ｌ（リットル）／ｍｉｎであることを特徴とする。[0009]
The invention according to claim 2 is characterized in that the impeller diameter is 10 to 130 mm, and the height and width of the impeller fluid passage are 0.5 to 6 mm.
The invention according to claim 3 is a centrifugal pump in which an impeller fixed to one end of a main shaft is disposed inside a pump casing, the impeller having a main plate and a side plate, and between the impeller blade inlet and the blade outlet The discharge amount at the highest efficiency point is 0.005 to 100 L (liter) / min, where the height and width of the impeller passage liquid passage have the same dimensions.

Claims

In a centrifugal pump in which an impeller fixed to one end of a main shaft is disposed inside a pump casing, the impeller has a main plate and a side plate, and between the impeller blade inlet and the blade outlet, Further, the impeller passage passage cross section is formed to have a square shape or a substantially square shape, and the specific velocity ns = (nQ ^1/2 ) / H ^3/4 (n: rotational velocity min ^-1 ), Q: Discharge amount (m ³ / min), H: Total head (m)) is 63 to 112, and discharge amount at the highest efficiency point is 0.005 to 100 L (liter) / min A centrifugal pump characterized by being.

The centrifugal pump according to claim 1, wherein the impeller diameter is 10 to 130 mm, and the height and width of the impeller passage are 0.5 to 6 mm.

In a centrifugal pump in which an impeller fixed to one end of a main shaft is disposed inside a pump casing, the impeller has a main plate and a side plate, and between the impeller blade inlet and the blade outlet, A centrifugal pump characterized in that the discharge amount at the highest efficiency point is 0.005 to 100 L (liter) with the same dimensions of height and width.