IL91225A0 - Pump sealing apparatus - Google Patents
Pump sealing apparatusInfo
- Publication number
- IL91225A0 IL91225A0 IL91225A IL9122589A IL91225A0 IL 91225 A0 IL91225 A0 IL 91225A0 IL 91225 A IL91225 A IL 91225A IL 9122589 A IL9122589 A IL 9122589A IL 91225 A0 IL91225 A0 IL 91225A0
- Authority
- IL
- Israel
- Prior art keywords
- sealing apparatus
- pump sealing
- pump
- sealing
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/14—Shaft sealings operative only when pump is inoperative
-
- 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
- F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/14—Shaft sealings operative only when pump is inoperative
- F04D29/146—Shaft sealings operative only when pump is inoperative especially adapted for liquid pumps
-
- 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
- F16J15/008—Sealings comprising at least two sealings in succession with provision to put out of action at least one sealing; One sealing sealing only on standstill; Emergency or servicing sealings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/232,626 US4915579A (en) | 1988-08-15 | 1988-08-15 | Pump sealing apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
IL91225A0 true IL91225A0 (en) | 1990-03-19 |
Family
ID=22873895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL91225A IL91225A0 (en) | 1988-08-15 | 1989-08-06 | Pump sealing apparatus |
Country Status (8)
Country | Link |
---|---|
US (1) | US4915579A (xx) |
EP (1) | EP0355980A1 (xx) |
KR (1) | KR950009061B1 (xx) |
AU (1) | AU609368B2 (xx) |
CA (1) | CA1300979C (xx) |
IL (1) | IL91225A0 (xx) |
MX (1) | MX169218B (xx) |
ZA (1) | ZA895327B (xx) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5261786A (en) * | 1991-03-05 | 1993-11-16 | A. R. Wilfley & Sons, Inc. | Actuator mechanism for pump sealing apparatus |
US5261676A (en) * | 1991-12-04 | 1993-11-16 | Environamics Corporation | Sealing arrangement with pressure responsive diaphragm means |
TW265395B (xx) * | 1993-03-18 | 1995-12-11 | Warman Int Ltd | |
US5494299A (en) * | 1994-02-22 | 1996-02-27 | Evironamics Corporation | Temperature and pressure resistant rotating seal construction for a pump |
US5427500A (en) * | 1994-03-15 | 1995-06-27 | The Weir Group Plc | Slurry pump seal system |
US5499901A (en) * | 1994-03-17 | 1996-03-19 | Environamics Corporation | Bearing frame clearance seal construction for a pump |
US5513964A (en) * | 1994-10-11 | 1996-05-07 | Environamics Corporation | Pump oil mister with reduced windage |
US5816784A (en) * | 1995-01-06 | 1998-10-06 | A. R. Wilfley & Sons, Inc. | Electromagnetic actuator mechanism for centrifugal pump |
US5580215A (en) * | 1995-01-06 | 1996-12-03 | A. R. Wilfley & Sons, Inc. | Centrifugal pump with electromagnetic actuator mechanism |
US5667356A (en) * | 1996-05-06 | 1997-09-16 | A. R. Wilfley & Sons, Inc. | Acid/slurry governor seal assembly for centrifugal pumps |
US6183208B1 (en) * | 1997-10-03 | 2001-02-06 | Roper Holdings, Inc. | Immersible motor system |
US6074166A (en) * | 1998-10-01 | 2000-06-13 | Moddemeijer; Pieter J. H. | Pump |
US6224322B1 (en) | 1998-11-16 | 2001-05-01 | A. R. Wilfley & Sons, Inc. | Seal assembly for centrifugal pumps with barrier ring |
US6138570A (en) * | 1999-04-01 | 2000-10-31 | Hewlett-Packard Company | Method and apparatus for saving ink and printer bandwidth with preprinted transparencies |
US7096573B2 (en) * | 1999-07-19 | 2006-08-29 | Holliday Randall A | Compression hand tool for cable |
US6454523B1 (en) * | 2000-07-17 | 2002-09-24 | California Acrylic Industries | Spa with double sealed pump |
US6629816B2 (en) * | 2001-08-16 | 2003-10-07 | Honeywell International Inc. | Non-contacting clearance seal for high misalignment applications |
JP3955224B2 (ja) * | 2002-03-15 | 2007-08-08 | 株式会社ワールドケミカル | 液体ポンプ |
US6783322B2 (en) | 2002-04-23 | 2004-08-31 | Roper Holdings, Inc. | Pump system with variable-pressure seal |
US6953084B2 (en) * | 2003-01-10 | 2005-10-11 | Woodward Governor Company | Actuator for well-head valve or other similar applications and system incorporating same |
US7118114B2 (en) * | 2003-05-15 | 2006-10-10 | Woodward Governor Company | Dynamic sealing arrangement for movable shaft |
US20070120084A1 (en) * | 2005-11-29 | 2007-05-31 | Stumbo Steven C | Fully independent, redundant fluid energized sealing solution with secondary containment |
US7426936B2 (en) * | 2005-11-29 | 2008-09-23 | Woodward Governor Company | Fully independent, redundant fluid energized sealing solution with secondary containment |
WO2013025472A2 (en) * | 2011-08-12 | 2013-02-21 | Flsmidth A/S | Energy diffusing wear ring and methods thereof |
US9790960B2 (en) | 2014-06-09 | 2017-10-17 | A.R. Wilfley & Sons, Inc. | Centrifugal pump with governor actuated seal |
US10302199B2 (en) * | 2017-06-27 | 2019-05-28 | Wilkins Ip, Llc | Mechanical seal for rotary machine |
CN109058467B (zh) * | 2018-10-16 | 2023-10-31 | 宁波天工机械密封有限公司 | 一种耐腐蚀机械密封和安装方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1346926A (en) * | 1919-06-30 | 1920-07-20 | Arthur R Wilfley | Centrifugal pump |
US1976532A (en) * | 1934-01-09 | 1934-10-09 | Wilfley & Sons Inc A | Sealing means for centrifugal pumps |
DE727905C (de) * | 1940-01-03 | 1942-11-17 | A W Mackensen Maschinenfabrik | Kreiselpumpe mit Hilfsfoerderrad zum Abdichten des Wellenspaltes |
US2272454A (en) * | 1940-06-11 | 1942-02-10 | Wilfley & Sons Inc A | Seal for centrifugal pumps |
US2620207A (en) * | 1949-07-19 | 1952-12-02 | Wilfley & Sons Inc A | Glandless seal for centrifugal pumps |
US2581504A (en) * | 1949-12-16 | 1952-01-08 | Wilfley & Sons Inc A | Centrifugal pump |
US2660487A (en) * | 1951-05-31 | 1953-11-24 | A R Wilfiey And Sons Inc | Centrifugal pump bearing seal |
US2936715A (en) * | 1955-11-14 | 1960-05-17 | Thompson Ramo Wooldridge Inc | Seal assembly |
US3028181A (en) * | 1958-12-26 | 1962-04-03 | Thompson Lee Lavere | Seals for rotating shafts |
SU140681A1 (ru) * | 1960-11-21 | 1960-11-30 | Б.А. Кравчук | Сто ночное уплотнение |
US3137237A (en) * | 1961-08-22 | 1964-06-16 | Wilfley & Sons Inc A | Pump sealing apparatus |
GB1241955A (en) * | 1967-10-05 | 1971-08-11 | Speedwell Res Ltd | Improvements in or relating to seals |
US3515497A (en) * | 1968-08-27 | 1970-06-02 | Wilfley & Sons Inc A | Centrifugal pump having hydraulic seal means |
US3652180A (en) * | 1970-07-13 | 1972-03-28 | Wilfley & Sons Inc A | Centrifugal pump and seal means therefore |
US3741679A (en) * | 1971-09-17 | 1973-06-26 | Blue Co John | Centrifugal pump |
US4289445A (en) * | 1978-09-25 | 1981-09-15 | Sims James O | Rotary pump assembly |
GB2078877B (en) * | 1980-06-23 | 1984-03-28 | Labour Pump Co Ltd | Pump sealing arrangements |
-
1988
- 1988-08-15 US US07/232,626 patent/US4915579A/en not_active Expired - Lifetime
-
1989
- 1989-06-05 CA CA000601789A patent/CA1300979C/en not_active Expired - Lifetime
- 1989-07-13 ZA ZA895327A patent/ZA895327B/xx unknown
- 1989-07-14 EP EP89307195A patent/EP0355980A1/en not_active Ceased
- 1989-07-20 AU AU38820/89A patent/AU609368B2/en not_active Expired
- 1989-08-06 IL IL91225A patent/IL91225A0/xx unknown
- 1989-08-14 KR KR1019890011576A patent/KR950009061B1/ko not_active IP Right Cessation
- 1989-08-15 MX MX017205A patent/MX169218B/es unknown
Also Published As
Publication number | Publication date |
---|---|
EP0355980A1 (en) | 1990-02-28 |
KR900003541A (ko) | 1990-03-26 |
AU3882089A (en) | 1990-02-15 |
US4915579A (en) | 1990-04-10 |
CA1300979C (en) | 1992-05-19 |
MX169218B (es) | 1993-06-24 |
AU609368B2 (en) | 1991-04-26 |
ZA895327B (en) | 1990-07-25 |
KR950009061B1 (ko) | 1995-08-14 |
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