JPS62147766U - - Google Patents
Info
- Publication number
- JPS62147766U JPS62147766U JP1986035272U JP3527286U JPS62147766U JP S62147766 U JPS62147766 U JP S62147766U JP 1986035272 U JP1986035272 U JP 1986035272U JP 3527286 U JP3527286 U JP 3527286U JP S62147766 U JPS62147766 U JP S62147766U
- Authority
- JP
- Japan
- Prior art keywords
- sliding member
- side sliding
- shaft sealing
- sealing device
- rotating
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims description 7
- 229910052581 Si3N4 Inorganic materials 0.000 claims 2
- 229910010293 ceramic material Inorganic materials 0.000 claims 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims 2
- 229910003465 moissanite Inorganic materials 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Hydraulic Turbines (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第１図は本考案の一実施例を示す要部縦断面図
、第２図は第１図の軸封装置の拡大断面図、第３
図は本考案の他の実施例を示す要部縦断面図、第
４図は従来の立形ポンプの縦断面図、第５図は第
４図の軸封装置の拡大断面図である。
３……回転軸、１１……回転側摺動部材、１２
，１９……固定側摺動部材、１２ａ……突起部、
１３……回り止めピン、１４……シールケース、
１５ａ，１５ｂ……Ｏリング、１８……金属シエ
ル、１８ａ……突起部、２０……角形溝。
Fig. 1 is a vertical cross-sectional view of essential parts showing an embodiment of the present invention, Fig. 2 is an enlarged cross-sectional view of the shaft sealing device of Fig. 1, and Fig. 3
4 is a vertical sectional view of a conventional vertical pump, and FIG. 5 is an enlarged sectional view of the shaft sealing device shown in FIG. 4. 3... Rotating shaft, 11... Rotating side sliding member, 12
, 19... fixed side sliding member, 12a... protrusion,
13... Detent pin, 14... Seal case,
15a, 15b...O ring, 18...metal shell, 18a...protrusion, 20...square groove.
Claims (1)
のケーシング貫通部に設けられる回転機械のブツ
シユ型軸封装置において、回転側摺動部材及び固
定側摺動部材の一方をセラミツクス材とし、他方
をタングステンカーバイドＷＣを含有した超硬合
金とし、固定側摺動部材を半径方向に移動可能と
したことを特徴とする軸封装置。 ２ 上記セラミツクス材は炭化珪素ＳｉＣ又は窒
化珪素Ｓｉ３Ｎ４であり、超硬合金はタングステ
ンカーバイドＷＣ含有量７５重量％以上である実
用新案登録請求の範囲第１項記載の軸封装置。 ３ 上記固定側摺動部材と回転側摺動部材の半径
方向の隙間が、回転軸の軸受隙間より狭く形成さ
れている実用新案登録請求の範囲第１項又は第２
項記載の軸封装置。 ４ 上記固定側摺動部材は、ケーシング内の軸封
圧力の高低に影響されずに半径方向に移動できる
ようになつている実用新案登録請求の範囲第１項
又は第２項記載の軸封装置。[Claims for Utility Model Registration] 1. In a bush-type shaft sealing device for a rotating machine, which is provided in the casing penetrating portion of a rotating shaft rotatably supported within the casing, one of the rotating side sliding member and the stationary side sliding member. A shaft sealing device characterized in that one is made of a ceramic material, the other is made of a cemented carbide containing tungsten carbide WC, and the fixed side sliding member is movable in the radial direction. 2. The shaft seal device according to claim 1, wherein the ceramic material is silicon carbide SiC or silicon nitride Si3N4 , and the cemented carbide has a tungsten carbide WC content of 75 % by weight or more. 3. Utility model registration claim 1 or 2, wherein the radial gap between the stationary side sliding member and the rotating side sliding member is narrower than the bearing gap of the rotating shaft.
Shaft sealing device as described in section. 4. The shaft sealing device according to claim 1 or 2, wherein the fixed side sliding member is movable in the radial direction without being affected by the level of the shaft sealing pressure in the casing. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986035272U JPH0444941Y2 (en) | 1986-03-13 | 1986-03-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986035272U JPH0444941Y2 (en) | 1986-03-13 | 1986-03-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62147766U true JPS62147766U (en) | 1987-09-18 |
| JPH0444941Y2 JPH0444941Y2 (en) | 1992-10-22 |
Family
ID=30844605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986035272U Expired JPH0444941Y2 (en) | 1986-03-13 | 1986-03-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0444941Y2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04272582A (en) * | 1989-12-06 | 1992-09-29 | Pacific Wietz Gmbh & Co Kg | Noncontact packing apparatus for axis insulating gas |
| JP2002147385A (en) * | 2000-11-08 | 2002-05-22 | Osaka Vacuum Ltd | Seal structure of turbo-molecular pump |
| JP2013130079A (en) * | 2011-12-20 | 2013-07-04 | Ｋａｗａｍｏｔｏ Ｇｅｃ株式会社 | Shaft seal device and pump device |
| JP2021521393A (en) * | 2018-04-19 | 2021-08-26 | イーグルブルクマン ジャーマニー ゲセルシャフト ミト ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト | Floating ring seal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6073123A (en) * | 1983-09-30 | 1985-04-25 | Ebara Corp | Combined sliding member |
-
1986
- 1986-03-13 JP JP1986035272U patent/JPH0444941Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6073123A (en) * | 1983-09-30 | 1985-04-25 | Ebara Corp | Combined sliding member |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04272582A (en) * | 1989-12-06 | 1992-09-29 | Pacific Wietz Gmbh & Co Kg | Noncontact packing apparatus for axis insulating gas |
| JP2002147385A (en) * | 2000-11-08 | 2002-05-22 | Osaka Vacuum Ltd | Seal structure of turbo-molecular pump |
| JP4691242B2 (en) * | 2000-11-08 | 2011-06-01 | 株式会社大阪真空機器製作所 | Turbo molecular pump seal structure |
| JP2013130079A (en) * | 2011-12-20 | 2013-07-04 | Ｋａｗａｍｏｔｏ Ｇｅｃ株式会社 | Shaft seal device and pump device |
| JP2021521393A (en) * | 2018-04-19 | 2021-08-26 | イーグルブルクマン ジャーマニー ゲセルシャフト ミト ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト | Floating ring seal |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0444941Y2 (en) | 1992-10-22 |
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