JPS62179396U - - Google Patents

Info

Publication number
JPS62179396U
JPS62179396U JP6752586U JP6752586U JPS62179396U JP S62179396 U JPS62179396 U JP S62179396U JP 6752586 U JP6752586 U JP 6752586U JP 6752586 U JP6752586 U JP 6752586U JP S62179396 U JPS62179396 U JP S62179396U
Authority
JP
Japan
Prior art keywords
section
fluid flow
spiral casing
state diagram
drain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6752586U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP6752586U priority Critical patent/JPS62179396U/ja
Publication of JPS62179396U publication Critical patent/JPS62179396U/ja
Pending legal-status Critical Current

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Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Description

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

第1図aは本考案の1実施例であるうず巻ケー
シングを用いたうず巻ポンプの構造を示す断面図
、第1図bは第1図aのA部詳細図、第1図cは
従来の水切部の形状と本考案によるものとを同一
ポンプで使用した時のポンプ損失比較図、第2図
は従来のうず巻ポンプの構造を示す断面図、第3
図aは運転流量Q<設計流量Qd時の水切部近傍
における流体の流れの状態図、第3図bは、Q=
Qd時の水切部近傍における流体の流れの状態図
、第3図cはQ>Qd時の水切部近傍における流
体の流れの状態図である。 2……うず巻きケーシング、2a′……水切部
、6……回転部材。
Figure 1a is a sectional view showing the structure of a centrifugal pump using a spiral casing, which is an embodiment of the present invention, Figure 1b is a detailed view of section A in Figure 1a, and Figure 1c is a conventional Figure 2 is a cross-sectional view showing the structure of a conventional centrifugal pump.
Figure a is a state diagram of the fluid flow near the drainage section when the operating flow rate Q < the design flow rate Qd, and Figure 3 b is a diagram of the fluid flow state when Q =
Fig. 3c is a state diagram of the fluid flow near the drain when Q>Qd. 2... Spiral casing, 2a'... Drain section, 6... Rotating member.

補正 昭61.8.7 図面の簡単な説明を次のように補正する。Correction 8/7/1980 The brief description of the drawing has been amended as follows.

【図面の簡単な説明】 第1図aは本考案の1実施例であるうず巻ケー
シングを用いたうず巻ポンプの構造を示す断面図
、第1図bは第1図aのA部詳細図、第1図cは
第1図aのA部における流体の流れの状態図、第
1図dは従来の水切部の形状と本考案によるもの
とを同一ポンプで使用した時のポンプ損失比較図
、第2図は従来のうず巻ポンプの構造を示す断面
図、第3図aは運転流量Q<設計流量Qd時の水
切部近傍における流体の流れの状態図、第3図b
は、Q=Qd時の水切部近傍における流体の流れ
の状態図、第3図cはQ>Qd時の水切部近傍に
おける流体の流れの状態図である。 2……うず巻きケーシング、2a′……水切部
、6……回転部材。
[Brief Description of the Drawings] Figure 1a is a sectional view showing the structure of a centrifugal pump using a spiral casing, which is an embodiment of the present invention, and Figure 1b is a detailed view of section A in Figure 1a. , Fig. 1c is a state diagram of the fluid flow in section A of Fig. 1a, and Fig. 1d is a comparison diagram of pump loss when the same pump is used with a conventional water cutter shape and one according to the present invention. , Fig. 2 is a sectional view showing the structure of a conventional centrifugal pump, Fig. 3 a is a state diagram of the fluid flow near the drainage part when the operating flow rate Q < the design flow rate Qd, and Fig. 3 b
is a state diagram of the fluid flow near the drain when Q=Qd, and FIG. 3c is a state diagram of the fluid flow near the drain when Q>Qd. 2... Spiral casing, 2a'... Drain section, 6... Rotating member.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 水切部の先端部に円形断面を有する回転部材を
設けたことを特徴とするうず巻ケーシング。
A spiral casing characterized in that a rotating member having a circular cross section is provided at the tip of the draining part.
JP6752586U 1986-05-02 1986-05-02 Pending JPS62179396U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6752586U JPS62179396U (en) 1986-05-02 1986-05-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6752586U JPS62179396U (en) 1986-05-02 1986-05-02

Publications (1)

Publication Number Publication Date
JPS62179396U true JPS62179396U (en) 1987-11-14

Family

ID=30906514

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6752586U Pending JPS62179396U (en) 1986-05-02 1986-05-02

Country Status (1)

Country Link
JP (1) JPS62179396U (en)

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