JPS5872484U - wesco pump - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図、第２図はウェスコ形ポンプの断面図、第３図は
ケーシングの横断面図、第４図は第３図のＡ−Ａ線断面
図、第５図は給水量−全揚程・効率曲線図を示す。 １・・・ポンプヘッド、２・・・羽根車、３・・・ケー
シング、４・・・ケーシングカバー、５・・・逆止弁、
６・・・ケーシング入口、７・・・ケーシング出口、８
・・・分離室１．９・・・従来形通路形状、１０・・・
改良形通路形状。Figures 1 and 2 are cross-sectional views of the Wesco type pump, Figure 3 is a cross-sectional view of the casing, Figure 4 is a cross-sectional view taken along the line A-A in Figure 3, and Figure 5 shows water supply amount - total head, An efficiency curve diagram is shown. 1... Pump head, 2... Impeller, 3... Casing, 4... Casing cover, 5... Check valve,
6...Casing inlet, 7...Casing outlet, 8
...Separation chamber 1.9...Conventional passage shape, 10...
Improved passageway shape.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 概円周形のケーシングの水通路形状を、入口部より約１
ハ周までストレートにし、そこから約１１４周テーパ形
状に羽根車の間隙がせまくなるにしさらに、そのテーパ
の終端と同じ高さで出口部までストレートに円滑に形成
したことを特徴とするウェスコポンプ。The water passage shape of the approximately circumferential casing is approximately 1 inch from the inlet.
This Wesco pump is characterized in that it is straight up to the circumference, and then tapered around 114 times so that the gap between the impellers becomes narrower, and furthermore, it is formed smoothly and straight to the outlet part at the same height as the end of the taper.