JPH0319497U - - Google Patents

Info

Publication number
JPH0319497U
JPH0319497U JP1989079521U JP7952189U JPH0319497U JP H0319497 U JPH0319497 U JP H0319497U JP 1989079521 U JP1989079521 U JP 1989079521U JP 7952189 U JP7952189 U JP 7952189U JP H0319497 U JPH0319497 U JP H0319497U
Authority
JP
Japan
Prior art keywords
surging
magnetic bearing
detecting
protection device
detection means
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
JP1989079521U
Other languages
English (en)
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 JP1989079521U priority Critical patent/JPH0319497U/ja
Publication of JPH0319497U publication Critical patent/JPH0319497U/ja
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/001Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/05Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056Bearings
    • F04D29/058Bearings magnetic; electromagnetic

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例の構成を示す系統図
である。 2……圧縮機、3……ラジアル磁気軸受、4…
…スラスト磁気軸受、5……変位センサ、8……
制御用電流計、9……比較演算器、10……電動
サーボモータ、11……吸込ベーン、15……回
転駆動軸。

Claims (1)

    【実用新案登録請求の範囲】
  1. 磁気軸受によつて回転駆動軸を支えられた圧縮
    機において、前記磁気軸受の変位センサ出力又は
    制御電流を検出する検出手段と、同検出手段から
    の検出値と設定値とを比較してサージング現象を
    検知する比較手段と、同比較手段からの指令によ
    り作動されるサージング保安手段とからなること
    を特徴とする磁気軸受を有する圧縮機のサージン
    グ保安装置。
JP1989079521U 1989-07-07 1989-07-07 Pending JPH0319497U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989079521U JPH0319497U (ja) 1989-07-07 1989-07-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989079521U JPH0319497U (ja) 1989-07-07 1989-07-07

Publications (1)

Publication Number Publication Date
JPH0319497U true JPH0319497U (ja) 1991-02-26

Family

ID=31623749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989079521U Pending JPH0319497U (ja) 1989-07-07 1989-07-07

Country Status (1)

Country Link
JP (1) JPH0319497U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3356680A1 (en) * 2015-10-02 2018-08-08 Daikin Applied Americas Inc. Centrifugal compressor with magnetic bearings and surge prediction using a shaft position or a bearing current
JP2019503449A (ja) * 2016-01-12 2019-02-07 ダイキン アプライド アメリカズ インコーポレィティッド ホットガスインジェクションが行われる遠心圧縮機

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3356680A1 (en) * 2015-10-02 2018-08-08 Daikin Applied Americas Inc. Centrifugal compressor with magnetic bearings and surge prediction using a shaft position or a bearing current
JP2018531341A (ja) * 2015-10-02 2018-10-25 ダイキン アプライド アメリカズ インコーポレィティッド 磁気軸受を備え、シャフトの位置又は軸受電流を用いてサージ予測をする遠心圧縮機
EP3356680B1 (en) * 2015-10-02 2025-05-14 Daikin Industries, Ltd. Centrifugal compressor with magnetic bearings and surge prediction using a shaft position
JP2019503449A (ja) * 2016-01-12 2019-02-07 ダイキン アプライド アメリカズ インコーポレィティッド ホットガスインジェクションが行われる遠心圧縮機

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