CN1035876A - The sealing configuration of the screw shaft of ship - Google Patents
The sealing configuration of the screw shaft of ship Download PDFInfo
- Publication number
- CN1035876A CN1035876A CN88109214A CN88109214A CN1035876A CN 1035876 A CN1035876 A CN 1035876A CN 88109214 A CN88109214 A CN 88109214A CN 88109214 A CN88109214 A CN 88109214A CN 1035876 A CN1035876 A CN 1035876A
- Authority
- CN
- China
- Prior art keywords
- doughnut
- pressure
- sealing configuration
- seal
- discharge tube
- 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
- 238000007789 sealing Methods 0.000 title claims description 22
- 235000012489 doughnuts Nutrition 0.000 claims abstract description 35
- 239000013535 sea water Substances 0.000 claims abstract description 23
- 239000008041 oiling agent Substances 0.000 claims abstract description 17
- 239000000314 lubricant Substances 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
- F16B33/002—Means for preventing rotation of screw-threaded elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/34—Propeller shafts; Paddle-wheel shafts; Attachment of propellers on shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/321—Bearings or seals specially adapted for propeller shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
- F01C1/10—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F01C1/103—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C20/00—Control of, monitoring of, or safety arrangements for, machines or engines
- F01C20/24—Control of, monitoring of, or safety arrangements for, machines or engines characterised by using valves for controlling pressure or flow rate, e.g. discharge valves
- F01C20/26—Control of, monitoring of, or safety arrangements for, machines or engines characterised by using valves for controlling pressure or flow rate, e.g. discharge valves using bypass channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/08—Regulating by delivery pressure
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
- F16B43/001—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts for sealing or insulation
-
- 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
- F16J15/002—Sealings comprising at least two sealings in succession
- F16J15/004—Sealings comprising at least two sealings in succession forming of recuperation chamber for the leaking fluid
-
- 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
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/321—Bearings or seals specially adapted for propeller shafts
- B63H2023/327—Sealings specially adapted for propeller shafts or stern tubes
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
- Y10S411/955—Locked bolthead or nut
- Y10S411/974—Side lock
- Y10S411/984—Longitudinal
- Y10S411/99—Washer tongue-held
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ocean & Marine Engineering (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Fluid Mechanics (AREA)
- Sealing Devices (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Of Bearings (AREA)
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3742079A DE3742079C2 (en) | 1987-12-11 | 1987-12-11 | Arrangement for sealing a propeller shaft of a ship |
DEP3742079.8 | 1987-12-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1035876A true CN1035876A (en) | 1989-09-27 |
CN1010796B CN1010796B (en) | 1990-12-12 |
Family
ID=6342409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN87107868A Expired CN1010796B (en) | 1987-12-11 | 1988-12-10 | Sealing structure for propeller shaft in ship |
Country Status (8)
Country | Link |
---|---|
JP (1) | JP2599983B2 (en) |
KR (1) | KR0142103B1 (en) |
CN (1) | CN1010796B (en) |
AU (1) | AU608393B2 (en) |
DE (1) | DE3742079C2 (en) |
GB (1) | GB2213539B (en) |
NL (1) | NL192828C (en) |
SE (1) | SE501926C2 (en) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1054821C (en) * | 1994-09-24 | 2000-07-26 | 布隆福斯工业有限公司 | Regulating device for use while ship's draught is changing |
CN1054820C (en) * | 1994-09-24 | 2000-07-26 | 布隆福斯工业有限公司 | Safety device of sealing unit of axle of ship propellor |
CN1316187C (en) * | 2001-11-22 | 2007-05-16 | 米勒及布劳赫里有限公司 | Segmented oil scraper ring |
CN102086936A (en) * | 2009-12-08 | 2011-06-08 | 张意立 | Novel matching device with improved fluid sealing structure |
CN102197253A (en) * | 2008-10-22 | 2011-09-21 | 瑞士单浮筒系泊公司 | High pressure fluid swivel comprising a multi seal pressure regulation system |
CN102322386A (en) * | 2011-09-26 | 2012-01-18 | 浙江大学 | Method for sealing ocean-current energy power generation device underwater |
CN102556320A (en) * | 2011-12-29 | 2012-07-11 | 苏州船用动力***股份有限公司 | Sealing structure of ship impeller underwater propeller shaft |
CN103411122A (en) * | 2013-07-30 | 2013-11-27 | 苏州豪建纺织有限公司 | Oil-seepage preventing device for roll shaft of weaving machine |
CN103423455A (en) * | 2012-05-12 | 2013-12-04 | 布洛姆福斯工业有限公司 | Seal device for rotation shaft of ship propeller |
CN104321250A (en) * | 2012-04-17 | 2015-01-28 | 瓦锡兰芬兰有限公司 | An arrangement for sealing a propeller shaft of a marine vessel and a method of controlling the operation thereof |
CN106794891A (en) * | 2014-08-28 | 2017-05-31 | 斯凯孚海运有限公司 | sealing system, method and ship |
CN109386547A (en) * | 2017-08-08 | 2019-02-26 | 斯凯孚海运有限公司 | Seal assembly including interface channel |
CN109469734A (en) * | 2018-12-06 | 2019-03-15 | 中信重工机械股份有限公司 | A kind of underwater rotary sealing matched with sinking method shaft excavation machine |
CN110894910A (en) * | 2019-12-11 | 2020-03-20 | 天津长瑞大通流体控制***有限公司 | Leakage-free detection system and method for sealing device with alarm |
CN110906003A (en) * | 2019-12-11 | 2020-03-24 | 天津长瑞大通流体控制***有限公司 | Leak-free detection system and method for a sealing device with a collecting device |
CN111981003A (en) * | 2020-08-19 | 2020-11-24 | 徐燕 | Novel anti-drop threaded connection rod |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3800706C2 (en) * | 1988-01-13 | 1994-09-01 | Blohm Voss Ag | Kit for a shaft seal, especially on a stern tube of a ship |
GB2252597B (en) * | 1991-02-06 | 1994-08-10 | Cocksedge Eng Ltd | Improvements in roller assemblies |
JP2509401B2 (en) * | 1991-09-30 | 1996-06-19 | 株式会社神戸製鋼所 | Stern tube shaft seal device and its control method |
DE4333880C2 (en) * | 1993-10-05 | 2003-03-06 | Sms Demag Ag | roller bearing |
GB9725912D0 (en) * | 1997-12-09 | 1998-02-04 | Cromar Sales And Service Limit | The testing of the integrity of a fluid coupling |
JP2002340199A (en) * | 2001-05-11 | 2002-11-27 | Eagle Ind Co Ltd | Stern pipe shaft seal device |
DE10241025B4 (en) * | 2002-09-05 | 2004-08-12 | EISENMANN Maschinenbau KG (Komplementär: Eisenmann-Stiftung) | Transport trolley for a system for treating, in particular for painting, objects, in particular vehicle bodies |
GB2448930B (en) * | 2007-05-04 | 2009-08-19 | Flybrid Systems Llp | High speed flywheel seal |
GB2449282B (en) | 2007-05-17 | 2009-07-01 | Flybrid Systems Llp | High speed flywheel containment |
US8376366B2 (en) | 2008-12-04 | 2013-02-19 | Schlumberger Technology Corporation | Sealing gland and methods of use |
KR101272451B1 (en) * | 2009-12-18 | 2013-06-07 | 현대중공업 주식회사 | Seal Pressure Control Equipment of Thruster and Pressure Control Method |
DE102011018584A1 (en) | 2011-04-11 | 2012-10-11 | Blohm + Voss Industries Gmbh | Seal for sealing waves |
DE102012016447B4 (en) | 2012-08-18 | 2022-12-01 | Skf Marine Gmbh | Sealing for rotating shafts of ship propeller shafts |
DE102013008967B4 (en) | 2013-05-22 | 2017-01-26 | Skf Blohm + Voss Industries Gmbh | Device for sealing a propeller shaft and method for producing such a device |
EP3015358B1 (en) * | 2014-11-03 | 2019-01-02 | ABB Oy | Seal arrangement for a propeller shaft |
CN105952620A (en) * | 2016-05-13 | 2016-09-21 | 蚌埠市金鹏燃气设备制造有限公司 | Oil scraping device for piston type compressor |
CN108953118A (en) * | 2018-07-13 | 2018-12-07 | 成都添益天然气压缩机制造有限公司 | Body in natural gas compressor Multicarity |
DE102022214026A1 (en) * | 2022-12-20 | 2024-06-20 | Aktiebolaget Skf | Rolling bearings with seals and flushing channel |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1389832A (en) * | 1971-03-18 | 1975-04-09 | Aeroquip Ltd | Seal assemblies |
JPS50106397A (en) * | 1974-01-29 | 1975-08-21 | ||
JPS5743058A (en) * | 1980-08-27 | 1982-03-10 | Eagle Ind Co Ltd | Stern tube shaft sealing device |
DE3213392A1 (en) * | 1981-04-13 | 1982-11-04 | Howaldtswerke-Deutsche Werft Ag Hamburg Und Kiel, 2300 Kiel | Sealing system for a leakproof stern-tube seal |
DE3122407A1 (en) * | 1981-06-05 | 1982-12-23 | Howaldtswerke-Deutsche Werft Ag Hamburg Und Kiel, 2300 Kiel | Lubricating system, in particular for a rear stern tube seal |
DE3143866A1 (en) * | 1981-11-05 | 1983-05-11 | Howaldtswerke-Deutsche Werft Ag Hamburg Und Kiel, 2300 Kiel | SEALING ARRANGEMENT WITH A RADIAL SLIDING RING |
DE3502395A1 (en) * | 1985-01-25 | 1986-07-31 | Howaldtswerke - Deutsche Werft AG Hamburg und Kiel, 2300 Kiel | SEALING ARRANGEMENT FOR A PROPELLER SHAFT |
DE3510320A1 (en) * | 1985-03-22 | 1986-10-02 | Howaldtswerke - Deutsche Werft AG Hamburg und Kiel, 2300 Kiel | STEVE PIPE SEAL |
GB2174150B (en) * | 1985-04-26 | 1988-12-21 | Japan Crystal Ind | Air pump |
-
1987
- 1987-12-11 DE DE3742079A patent/DE3742079C2/en not_active Expired - Lifetime
-
1988
- 1988-12-06 JP JP63308704A patent/JP2599983B2/en not_active Expired - Fee Related
- 1988-12-06 GB GB8828437A patent/GB2213539B/en not_active Expired - Lifetime
- 1988-12-07 AU AU26645/88A patent/AU608393B2/en not_active Expired
- 1988-12-09 SE SE8804471A patent/SE501926C2/en not_active IP Right Cessation
- 1988-12-09 NL NL8803033A patent/NL192828C/en active Search and Examination
- 1988-12-09 KR KR1019880016373A patent/KR0142103B1/en not_active IP Right Cessation
- 1988-12-10 CN CN87107868A patent/CN1010796B/en not_active Expired
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1054820C (en) * | 1994-09-24 | 2000-07-26 | 布隆福斯工业有限公司 | Safety device of sealing unit of axle of ship propellor |
CN1054821C (en) * | 1994-09-24 | 2000-07-26 | 布隆福斯工业有限公司 | Regulating device for use while ship's draught is changing |
CN1316187C (en) * | 2001-11-22 | 2007-05-16 | 米勒及布劳赫里有限公司 | Segmented oil scraper ring |
CN102197253B (en) * | 2008-10-22 | 2013-10-30 | 瑞士单浮筒系泊公司 | High pressure fluid swivel comprising multi seal pressure regulation system |
CN102197253A (en) * | 2008-10-22 | 2011-09-21 | 瑞士单浮筒系泊公司 | High pressure fluid swivel comprising a multi seal pressure regulation system |
CN102086936A (en) * | 2009-12-08 | 2011-06-08 | 张意立 | Novel matching device with improved fluid sealing structure |
CN102086936B (en) * | 2009-12-08 | 2013-06-19 | 张意立 | Novel matching device with improved fluid sealing structure |
CN102322386A (en) * | 2011-09-26 | 2012-01-18 | 浙江大学 | Method for sealing ocean-current energy power generation device underwater |
CN102322386B (en) * | 2011-09-26 | 2013-03-13 | 浙江大学 | Method for sealing ocean-current energy power generation device under the water |
CN102556320B (en) * | 2011-12-29 | 2014-05-28 | 苏州船用动力***股份有限公司 | Sealing structure of ship impeller underwater propeller shaft |
CN102556320A (en) * | 2011-12-29 | 2012-07-11 | 苏州船用动力***股份有限公司 | Sealing structure of ship impeller underwater propeller shaft |
CN104321250A (en) * | 2012-04-17 | 2015-01-28 | 瓦锡兰芬兰有限公司 | An arrangement for sealing a propeller shaft of a marine vessel and a method of controlling the operation thereof |
CN104321250B (en) * | 2012-04-17 | 2016-06-29 | 瓦锡兰芬兰有限公司 | For sealing the device of the propeller shaft of boats and ships and controlling the method for its operation |
CN103423455A (en) * | 2012-05-12 | 2013-12-04 | 布洛姆福斯工业有限公司 | Seal device for rotation shaft of ship propeller |
CN103411122A (en) * | 2013-07-30 | 2013-11-27 | 苏州豪建纺织有限公司 | Oil-seepage preventing device for roll shaft of weaving machine |
CN103411122B (en) * | 2013-07-30 | 2015-12-23 | 苏州豪建纺织有限公司 | A kind of loom roll shaft oil-impermeable device |
CN106794891A (en) * | 2014-08-28 | 2017-05-31 | 斯凯孚海运有限公司 | sealing system, method and ship |
CN106794891B (en) * | 2014-08-28 | 2019-06-07 | 斯凯孚海运有限公司 | Sealing system, method and ship |
CN109386547A (en) * | 2017-08-08 | 2019-02-26 | 斯凯孚海运有限公司 | Seal assembly including interface channel |
CN109386547B (en) * | 2017-08-08 | 2021-12-03 | 斯凯孚海运有限公司 | Sealing assembly comprising a connecting channel |
CN109469734A (en) * | 2018-12-06 | 2019-03-15 | 中信重工机械股份有限公司 | A kind of underwater rotary sealing matched with sinking method shaft excavation machine |
CN110894910A (en) * | 2019-12-11 | 2020-03-20 | 天津长瑞大通流体控制***有限公司 | Leakage-free detection system and method for sealing device with alarm |
CN110906003A (en) * | 2019-12-11 | 2020-03-24 | 天津长瑞大通流体控制***有限公司 | Leak-free detection system and method for a sealing device with a collecting device |
CN111981003A (en) * | 2020-08-19 | 2020-11-24 | 徐燕 | Novel anti-drop threaded connection rod |
Also Published As
Publication number | Publication date |
---|---|
SE8804471L (en) | 1989-06-12 |
NL192828C (en) | 1998-03-04 |
GB2213539B (en) | 1991-12-11 |
NL192828B (en) | 1997-11-03 |
DE3742079A1 (en) | 1989-06-22 |
SE501926C2 (en) | 1995-06-19 |
NL8803033A (en) | 1989-07-03 |
KR0142103B1 (en) | 1998-07-15 |
JPH01195199A (en) | 1989-08-07 |
GB2213539A (en) | 1989-08-16 |
GB8828437D0 (en) | 1989-01-05 |
CN1010796B (en) | 1990-12-12 |
DE3742079C2 (en) | 1994-05-11 |
JP2599983B2 (en) | 1997-04-16 |
SE8804471D0 (en) | 1988-12-09 |
KR890009722A (en) | 1989-08-03 |
AU608393B2 (en) | 1991-03-28 |
AU2664588A (en) | 1989-06-15 |
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