JPS63182368U - - Google Patents

Info

Publication number
JPS63182368U
JPS63182368U JP7370587U JP7370587U JPS63182368U JP S63182368 U JPS63182368 U JP S63182368U JP 7370587 U JP7370587 U JP 7370587U JP 7370587 U JP7370587 U JP 7370587U JP S63182368 U JPS63182368 U JP S63182368U
Authority
JP
Japan
Prior art keywords
labyrinth
pressure chamber
casing
view
showing
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
JP7370587U
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 JP7370587U priority Critical patent/JPS63182368U/ja
Publication of JPS63182368U publication Critical patent/JPS63182368U/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/445—Free-space packings with means for adjusting the clearance

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

Description

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

第１図は本考案の第１実施例を示す軸方向断面
図（第２図の−線に沿う断面図）、第２図は
本考案の第１実施例を示す周方向断面図、第３図
は本考案の第２実施例を示す軸方向断面図（第４
図の−線に沿う断面図）、第４図は本考案の
第２実施例を示す周方向断面図、第５図は従来例
を示す軸方向断面図である。 １……動翼先端、２……ケーシング、３……圧
力室、３ａ……高圧室、３ｂ……低圧室、４……
ピストン、５……ピストンリング、６……中間棒
、７……ラビリンスブロツク、８……ラビリンス
フイン、９……導通孔、１０……皿バネ、１１…
…高圧流体源、１２……低圧流体源、１３……給
入孔、１４……高圧導入弁、１５……減圧弁。 FIG. 1 is an axial sectional view (a sectional view taken along the - line in FIG. 2) showing a first embodiment of the present invention, FIG. 2 is a circumferential sectional view showing the first embodiment of the present invention, and FIG. The figure is an axial sectional view (fourth embodiment) showing the second embodiment of the present invention.
FIG. 4 is a circumferential sectional view showing a second embodiment of the present invention, and FIG. 5 is an axial sectional view showing a conventional example. 1... Moving blade tip, 2... Casing, 3... Pressure chamber, 3a... High pressure chamber, 3b... Low pressure chamber, 4...
Piston, 5... Piston ring, 6... Intermediate rod, 7... Labyrinth block, 8... Labyrinth fin, 9... Conduction hole, 10... Belleville spring, 11...
... High pressure fluid source, 12 ... Low pressure fluid source, 13 ... Supply hole, 14 ... High pressure introduction valve, 15 ... Pressure reducing valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転機械のケーシング又は静翼内輪の圧力室に
、ロータ側にラビリンスフインが突設されたラビ
リンスブロツクを圧力媒体を介して半径方向に移
動可能に取付けたことを特徴とする隙間調整ラビ
リンスシール。 A gap adjustment labyrinth seal characterized in that a labyrinth block having a labyrinth fin protruding from the rotor side is attached to a pressure chamber of a casing of a rotating machine or a stator blade inner ring so as to be movable in the radial direction via a pressure medium.
JP7370587U 1987-05-19 1987-05-19 Pending JPS63182368U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7370587U JPS63182368U (en) 1987-05-19 1987-05-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7370587U JPS63182368U (en) 1987-05-19 1987-05-19

Publications (1)

Publication Number Publication Date
JPS63182368U true JPS63182368U (en) 1988-11-24

Family

ID=30918274

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7370587U Pending JPS63182368U (en) 1987-05-19 1987-05-19

Country Status (1)

Country Link
JP (1) JPS63182368U (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006105393A (en) * 2004-09-30 2006-04-20 General Electric Co <Ge> Compliant seal, its system, and manufacturing method
JP2007298040A (en) * 2006-05-05 2007-11-15 General Electric Co <Ge> Rotating machine and bling assembly
JP2007315397A (en) * 2006-05-25 2007-12-06 General Electric Co <Ge> Variable clearance packing ring segment assembly and turbine diaphragm
JP2008517235A (en) * 2004-10-22 2008-05-22 ブルクハルト コンプレッション アーゲー Dry run piston rod seal device and method for sealing a piston rod with dry run piston rod seal device
US7596954B2 (en) 2004-07-09 2009-10-06 United Technologies Corporation Blade clearance control
WO2009150905A1 (en) * 2008-06-09 2009-12-17 三菱重工業株式会社 Seal structure of rotary machine
JP2016534269A (en) * 2013-10-14 2016-11-04 ヌオーヴォ ピニォーネ ソチエタ レスポンサビリタ リミタータＮｕｏｖｏ Ｐｉｇｎｏｎｅ Ｓ．Ｒ．Ｌ． Seal clearance control in turbomachinery.
JP2017036730A (en) * 2015-08-13 2017-02-16 ゼネラル・エレクトリック・カンパニイ System and method for supporting turbine shroud
JP6309606B1 (en) * 2016-12-21 2018-04-11 三井電気精機株式会社 Centrifuge system
JP2018100771A (en) * 2017-12-12 2018-06-28 三井電気精機株式会社 Rotating body driving/seal structure and centrifugal separator including the same

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7596954B2 (en) 2004-07-09 2009-10-06 United Technologies Corporation Blade clearance control
JP2006105393A (en) * 2004-09-30 2006-04-20 General Electric Co <Ge> Compliant seal, its system, and manufacturing method
JP2008517235A (en) * 2004-10-22 2008-05-22 ブルクハルト コンプレッション アーゲー Dry run piston rod seal device and method for sealing a piston rod with dry run piston rod seal device
JP2007298040A (en) * 2006-05-05 2007-11-15 General Electric Co <Ge> Rotating machine and bling assembly
JP2007315397A (en) * 2006-05-25 2007-12-06 General Electric Co <Ge> Variable clearance packing ring segment assembly and turbine diaphragm
WO2009150905A1 (en) * 2008-06-09 2009-12-17 三菱重工業株式会社 Seal structure of rotary machine
JP2016534269A (en) * 2013-10-14 2016-11-04 ヌオーヴォ ピニォーネ ソチエタ レスポンサビリタ リミタータＮｕｏｖｏ Ｐｉｇｎｏｎｅ Ｓ．Ｒ．Ｌ． Seal clearance control in turbomachinery.
US10280932B2 (en) 2013-10-14 2019-05-07 Nuovo Pignone Srl Sealing clearance control in turbomachines
JP2017036730A (en) * 2015-08-13 2017-02-16 ゼネラル・エレクトリック・カンパニイ System and method for supporting turbine shroud
US10132186B2 (en) 2015-08-13 2018-11-20 General Electric Company System and method for supporting a turbine shroud
JP6309606B1 (en) * 2016-12-21 2018-04-11 三井電気精機株式会社 Centrifuge system
WO2018116999A1 (en) * 2016-12-21 2018-06-28 三井電気精機株式会社 Rotating body driving/sealing structure, and centrifugal separator and centrifugal separation system containing same
JP2018100756A (en) * 2016-12-21 2018-06-28 三井電気精機株式会社 Centrifugal separation system
US11260403B2 (en) 2016-12-21 2022-03-01 Mitsui Electric Co., Ltd. Centrifugal separator including noncontact seal and noncontact torque transfer mechanism, and centrifugal separation system containing the same
JP2018100771A (en) * 2017-12-12 2018-06-28 三井電気精機株式会社 Rotating body driving/seal structure and centrifugal separator including the same

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