JPH0171274U - - Google Patents

Info

Publication number
JPH0171274U
JPH0171274U JP1987166830U JP16683087U JPH0171274U JP H0171274 U JPH0171274 U JP H0171274U JP 1987166830 U JP1987166830 U JP 1987166830U JP 16683087 U JP16683087 U JP 16683087U JP H0171274 U JPH0171274 U JP H0171274U
Authority
JP
Japan
Prior art keywords
sliding surface
ring
seal
electromagnet
rotating shaft
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
JP1987166830U
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 JP1987166830U priority Critical patent/JPH0171274U/ja
Publication of JPH0171274U publication Critical patent/JPH0171274U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Mechanical Sealing (AREA)

Description

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

第１図は本考案の一実施例の断面図、第２図は
第１図に示した吸引環の別な実施例の断面図、第
３図、第４図および第５図は従来技術の断面図で
ある。 １……回転軸、２……ケーシング、３……回転
環、４……回転環保持金具、５……シールリング
、６……シールケーシング、７……ばね、８……
Ｏリング、９……高圧流体供給孔、１０……螺旋
溝、１１……電磁石、１２……吸引環、１２′…
…電磁石コイル式吸引環、１３……電源、１４…
…変位計、１５……電線、１６……コイル。 Fig. 1 is a sectional view of one embodiment of the present invention, Fig. 2 is a sectional view of another embodiment of the suction ring shown in Fig. 1, and Figs. FIG. DESCRIPTION OF SYMBOLS 1... Rotating shaft, 2... Casing, 3... Rotating ring, 4... Rotating ring holding fitting, 5... Seal ring, 6... Seal casing, 7... Spring, 8...
O-ring, 9... High pressure fluid supply hole, 10... Spiral groove, 11... Electromagnet, 12... Suction ring, 12'...
...Electromagnetic coil suction ring, 13...Power supply, 14...
...Displacement meter, 15...Electric wire, 16...Coil.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転軸に直角の摺動面を有して回転軸に設けて
ある回転環、同摺動面に相対して接する摺動面を
持ち且つ軸方向に移動可能なシールリング、同シ
ールリングの上記摺動面と反対側の端面に設けた
吸引環、同吸引環に相対してこれに接しないよう
に静止部に設けた電磁石、摺動面のシールすきま
の寸法を計る変位計、および変位計から得た信号
に応じてシールすきまを所定値に保つよう電磁石
への供給電流を制御する制御装置を具備したこと
を特徴とするメカニカルシール。 A rotating ring provided on the rotating shaft with a sliding surface perpendicular to the rotating shaft, a seal ring that has a sliding surface facing and in contact with the rotating shaft and is movable in the axial direction, and the above-mentioned seal ring. A suction ring installed on the end face opposite to the sliding surface, an electromagnet installed on a stationary part facing the suction ring but not in contact with it, a displacement meter for measuring the seal gap on the sliding surface, and a displacement meter. A mechanical seal characterized in that it is equipped with a control device that controls current supplied to an electromagnet so as to maintain a seal clearance at a predetermined value according to a signal obtained from the electromagnet.
JP1987166830U 1987-11-02 1987-11-02 Pending JPH0171274U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987166830U JPH0171274U (en) 1987-11-02 1987-11-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987166830U JPH0171274U (en) 1987-11-02 1987-11-02

Publications (1)

Publication Number Publication Date
JPH0171274U true JPH0171274U (en) 1989-05-12

Family

ID=31454566

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987166830U Pending JPH0171274U (en) 1987-11-02 1987-11-02

Country Status (1)

Country Link
JP (1) JPH0171274U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5811169B2 (en) * 1974-06-15 1983-03-01 株式会社クボタ combine
JPS58117391A (en) * 1982-01-06 1983-07-12 Hitachi Ltd Mechanical seal for enclosed type circulating pump
JPS58221074A (en) * 1982-06-05 1983-12-22 エム・ア−・エン・マシ−ネンフアブリ−ク・アウクスブルク−ニユルンベルク・アクチエンゲゼルシヤフト Shaft sealing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5811169B2 (en) * 1974-06-15 1983-03-01 株式会社クボタ combine
JPS58117391A (en) * 1982-01-06 1983-07-12 Hitachi Ltd Mechanical seal for enclosed type circulating pump
JPS58221074A (en) * 1982-06-05 1983-12-22 エム・ア−・エン・マシ−ネンフアブリ−ク・アウクスブルク−ニユルンベルク・アクチエンゲゼルシヤフト Shaft sealing device

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