JPH0317433U - - Google Patents
Info
- Publication number
- JPH0317433U JPH0317433U JP7890289U JP7890289U JPH0317433U JP H0317433 U JPH0317433 U JP H0317433U JP 7890289 U JP7890289 U JP 7890289U JP 7890289 U JP7890289 U JP 7890289U JP H0317433 U JPH0317433 U JP H0317433U
- Authority
- JP
- Japan
- Prior art keywords
- torque
- contact
- rotating device
- shaft seal
- magnetic coupling
- 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
Links
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 2
Landscapes
- Compressor (AREA)
Description
第１図は本考案の実施例を示す断面図、第２図
はその非接触型回転軸シール部の拡大断面図、第
３図はテーパーシール型の非接触型回転軸シール
を示す断面図、第４図はオリフイスシール型の非
接触型回転軸シールを示す断面図、第５図Ａはス
パイラルグルーブシール型の非接触型回転軸シー
ルを示す断面図、第５図Ｂはそのスパイラルグル
ーブの形状を示す側面図である。
１……駆動源、２……回転部、３……ヒステリ
シスマグネツトカツプリング、１２……非接触型
回転軸シール。
FIG. 1 is a sectional view showing an embodiment of the present invention, FIG. 2 is an enlarged sectional view of the non-contact rotating shaft seal portion, and FIG. 3 is a sectional view showing a tapered seal type non-contact rotating shaft seal. Fig. 4 is a sectional view showing an orifice seal type non-contact rotating shaft seal, Fig. 5 A is a sectional view showing a spiral groove seal type non-contact rotating shaft seal, and Fig. 5 B is the shape of the spiral groove. FIG. DESCRIPTION OF SYMBOLS 1... Drive source, 2... Rotating part, 3... Hysteresis magnetic coupling, 12... Non-contact type rotating shaft seal.
Claims (1)
回転部２と駆動源１との間をヒステリシスマグネ
ツトカツプリング３により接続するとともに、こ
のヒステリシスマグネツトカツプリング３の許容
伝達トルクを回転機器の正常運転時のトルク以上
であり、かつ非接触型回転軸シール１２の非接触
シール面が接触摺動したときのトルク以下の範囲
内の値に設定したことを特徴とする回転機器。 A hysteresis magnetic coupling 3 connects the rotating part 2 of a rotating device equipped with a non-contact rotary shaft seal 12 with a drive source 1, and the allowable transmission torque of the hysteresis magnetic coupling 3 is determined by adjusting the allowable transmission torque of the rotating device. A rotating device characterized in that the torque is set to a value that is greater than or equal to the torque during normal operation and less than or equal to the torque that occurs when the non-contact seal surface of the non-contact rotary shaft seal 12 slides into contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7890289U JPH0317433U (en) | 1989-07-03 | 1989-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7890289U JPH0317433U (en) | 1989-07-03 | 1989-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0317433U true JPH0317433U (en) | 1991-02-21 |
Family
ID=31622584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7890289U Pending JPH0317433U (en) | 1989-07-03 | 1989-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0317433U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01105020A (en) * | 1987-10-14 | 1989-04-21 | Hitachi Ltd | Over load preventing device of rolling machine |
-
1989
- 1989-07-03 JP JP7890289U patent/JPH0317433U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01105020A (en) * | 1987-10-14 | 1989-04-21 | Hitachi Ltd | Over load preventing device of rolling machine |