CN1069750C - 螺旋槽端面密封 - Google Patents
螺旋槽端面密封 Download PDFInfo
- Publication number
- CN1069750C CN1069750C CN98120372A CN98120372A CN1069750C CN 1069750 C CN1069750 C CN 1069750C CN 98120372 A CN98120372 A CN 98120372A CN 98120372 A CN98120372 A CN 98120372A CN 1069750 C CN1069750 C CN 1069750C
- Authority
- CN
- China
- Prior art keywords
- spiral
- downstream
- face
- upstream
- groove end
- 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.)
- Expired - Lifetime
Links
Images
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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
- F16J15/3408—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface
- F16J15/3412—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities
Abstract
Description
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN98120372A CN1069750C (zh) | 1997-10-17 | 1998-10-09 | 螺旋槽端面密封 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN971170819 | 1997-10-17 | ||
CN97117081 | 1997-10-17 | ||
CN98120372A CN1069750C (zh) | 1997-10-17 | 1998-10-09 | 螺旋槽端面密封 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1215135A CN1215135A (zh) | 1999-04-28 |
CN1069750C true CN1069750C (zh) | 2001-08-15 |
Family
ID=25744370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98120372A Expired - Lifetime CN1069750C (zh) | 1997-10-17 | 1998-10-09 | 螺旋槽端面密封 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1069750C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101469771B (zh) * | 2007-12-26 | 2010-12-29 | 丹东克隆集团有限责任公司 | 一种可双向旋转的阶梯圆弧槽机械密封端面 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103732958B (zh) * | 2011-09-10 | 2016-09-21 | 伊格尔工业股份有限公司 | 滑动部件 |
CN103486268B (zh) * | 2013-09-15 | 2015-12-30 | 丹东克隆集团有限责任公司 | 泵用干气机械密封装置 |
AU2014362550B2 (en) * | 2013-12-09 | 2017-06-08 | Eagle Industry Co., Ltd. | Sliding component |
US9677670B2 (en) | 2013-12-09 | 2017-06-13 | Eagle Industry Co., Ltd. | Sliding parts |
CN103791097A (zh) * | 2014-02-28 | 2014-05-14 | 江苏大学 | 一种自动排泄颗粒的组合流体动压槽机械密封 |
CN104265906B (zh) * | 2014-08-06 | 2016-05-18 | 浙江工业大学 | 气体润滑仿鸟翅膀形型槽端面密封结构 |
CN104265900B (zh) * | 2014-08-06 | 2016-05-18 | 浙江工业大学 | 双向旋转气体动静压型机械密封的仿鸟翅膀形型槽结构 |
CN107735604B (zh) * | 2015-06-15 | 2023-04-11 | 伊格尔工业股份有限公司 | 滑动部件 |
CN109516215A (zh) * | 2018-12-03 | 2019-03-26 | 江苏科技大学 | 一种高压气封式粉粒体旋转供料器及其使用方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5201531A (en) * | 1992-04-02 | 1993-04-13 | John Crane Inc. | Face seal with double spiral grooves |
US5375855A (en) * | 1991-02-15 | 1994-12-27 | John Crane (Uk) Limited | Mechanical face seals |
US5664787A (en) * | 1994-03-22 | 1997-09-09 | Nippon Pillar Packing Co., Ltd. | Non-contacting shaft sealing device |
-
1998
- 1998-10-09 CN CN98120372A patent/CN1069750C/zh not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5375855A (en) * | 1991-02-15 | 1994-12-27 | John Crane (Uk) Limited | Mechanical face seals |
US5201531A (en) * | 1992-04-02 | 1993-04-13 | John Crane Inc. | Face seal with double spiral grooves |
US5664787A (en) * | 1994-03-22 | 1997-09-09 | Nippon Pillar Packing Co., Ltd. | Non-contacting shaft sealing device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101469771B (zh) * | 2007-12-26 | 2010-12-29 | 丹东克隆集团有限责任公司 | 一种可双向旋转的阶梯圆弧槽机械密封端面 |
Also Published As
Publication number | Publication date |
---|---|
CN1215135A (zh) | 1999-04-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HOLLAND SMITH GROUP HOLDINGS CO., LTD. Free format text: FORMER OWNER: WANG YUMING Effective date: 20060609 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20060609 Address after: Holland Hoofddorp Patentee after: Holland Smith Group Holdings Limited Address before: 300192 No. 7 East scientific research road, Tianjin, Nankai District Patentee before: Wang Yuming |
|
ASS | Succession or assignment of patent right |
Owner name: JOHN CRANE TECHNOLOGY( TIANJIN ) CO., LTD. Free format text: FORMER OWNER: HOLLAND SMITH TEAM HOLDINGS CO., LTD. Effective date: 20090424 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090424 Address after: Chinese Tianjin New Technology Industrial Park Huayuan Industrial Area (outer ring) Haitai Huake Road No. 9 Patentee after: John crane technology (Tianjin) Co., Ltd. Address before: Holland Hoofddorp Patentee before: Holland Smith Group Holdings Limited |
|
CX01 | Expiry of patent term |
Granted publication date: 20010815 |
|
CX01 | Expiry of patent term |