JPS5875993U

JPS5875993U - multistage pump

Info

Publication number: JPS5875993U
Application number: JP17135181U
Authority: JP
Inventors: 池添　久治
Original assignee: 株式会社荏原製作所
Priority date: 1981-11-19
Filing date: 1981-11-19
Publication date: 1983-05-23

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

[Brief explanation of drawings]

第１図は従来の多段プロセスポンプの一部を平面で示す
断面図、第２図は本考案の実施例を示す多段プロセスポ
ンプの一部を平面で示す断面図である。１・・・・・・胴体、２・・・・・・胴体カバー、３・
・・・・・ボルト、４・・・・・・主軸、５・・・・・
・軸受、６・・・・・・軸受胴体、７−・・・・・ブラ
ケット、８・・・・・・ボルト、９・・曲スリーブ、１
０・・・・・・羽根車、１１・・・・・・ディスタンス
ピース、１２・・・・・・羽根車止めナツト、１３・・
・・・・ガイドベーン、１４・・・・・・仕切板、１５
・・・・・・通しボルト、１６・・・・・・ライナリン
グ、１７・・・・・・ウェアリング、１８・・・・・・
室、１９・・・・・・通路、２０・・・・・・圧力室、
２１・・・・・・流入口。FIG. 1 is a cross-sectional plan view showing a part of a conventional multi-stage process pump, and FIG. 2 is a cross-sectional view showing a part of a multi-stage process pump according to an embodiment of the present invention. 1... body, 2... body cover, 3.
...Bolt, 4...Main shaft, 5...
・Bearing, 6... Bearing body, 7... Bracket, 8... Bolt, 9... Bent sleeve, 1
0... Impeller, 11... Distance piece, 12... Impeller retaining nut, 13...
...Guide vane, 14 ...Partition plate, 15
...Through bolt, 16...Liner ring, 17...Wear ring, 18...
Chamber, 19... passage, 20... pressure chamber,
21... Inlet.

Claims

[Scope of utility model registration request]

In a multistage pump with a vertically split body, parts such as an impeller, distance piece, guide vane, and partition plate are inserted into the main shaft, and bolts are passed through the guide vane and partition plate and fixed to the body cover. What is claimed is: 1. A multi-stage pump, which is inserted into and fixed in the body, and further includes a pressure chamber between the body and a guide vane facing the body, and a passage for guiding pump discharge pressure to the pressure chamber.