BE726371A - - Google Patents
Info
- Publication number
- BE726371A BE726371A BE726371DA BE726371A BE 726371 A BE726371 A BE 726371A BE 726371D A BE726371D A BE 726371DA BE 726371 A BE726371 A BE 726371A
- Authority
- BE
- Belgium
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
- F04D29/146—Shaft sealings operative only when pump is inoperative especially adapted for liquid pumps
-
- 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
- Y10S277/00—Seal for a joint or juncture
- Y10S277/929—Seal feature where change in operation or condition induces additional leakage control
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75558668A | 1968-08-27 | 1968-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE726371A true BE726371A (US07413550-20080819-C00001.png) | 1969-06-30 |
Family
ID=25039771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE726371D BE726371A (US07413550-20080819-C00001.png) | 1968-08-27 | 1968-12-31 |
Country Status (8)
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI822245A0 (fi) * | 1982-06-22 | 1982-06-22 | Outokumpu Oy | Axeltaetning vid en centrifugalpump och foerfarande foer aostadkommande av densamma |
| US4639198A (en) * | 1984-11-13 | 1987-01-27 | Tecumseh Products Company | Suction tube seal for a rotary compressor |
| US4915579A (en) * | 1988-08-15 | 1990-04-10 | A. R. Wilfley & Sons, Inc. | Pump sealing apparatus |
| US5261676A (en) * | 1991-12-04 | 1993-11-16 | Environamics Corporation | Sealing arrangement with pressure responsive diaphragm means |
| 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 |
| US5591020A (en) * | 1994-05-19 | 1997-01-07 | Environamics Corporation | Pump oil mister |
| US5513964A (en) * | 1994-10-11 | 1996-05-07 | Environamics Corporation | Pump oil mister with reduced windage |
| US5823539A (en) * | 1995-04-21 | 1998-10-20 | Environamics Corporation | Environmentally safe pump having a bellows seal and a split ring shaft seal |
| US5553867A (en) * | 1995-04-21 | 1996-09-10 | Environamics Corporation | Triple cartridge seal having one inboard and two concentric seals for chemical processing pump |
| US5667356A (en) * | 1996-05-06 | 1997-09-16 | A. R. Wilfley & Sons, Inc. | Acid/slurry governor seal assembly for centrifugal pumps |
| US6224322B1 (en) | 1998-11-16 | 2001-05-01 | A. R. Wilfley & Sons, Inc. | Seal assembly for centrifugal pumps with barrier ring |
| DE10153293A1 (de) * | 2001-10-31 | 2003-05-15 | List Ag Arisdorf | Vorrichtung zur Behandlung eines Stoffes |
| GB0908201D0 (en) * | 2009-05-13 | 2009-06-24 | Crane John Uk Ltd | Seal assemblies |
| DE102014224283A1 (de) * | 2014-11-27 | 2016-06-02 | Robert Bosch Gmbh | Verdichter mit einem Dichtkanal |
| CN106939896B (zh) * | 2017-05-04 | 2024-06-18 | 温州市康而达实业有限公司 | 一种高密封性的数字计量止回式离心泵 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE652168C (de) * | 1935-04-26 | 1937-10-26 | Wilhelm Beck Dipl Ing | Kreiselpumpe fuer hohen Zulaufdruck |
| DE719353C (de) * | 1940-03-31 | 1942-04-04 | Wilhelm Beck Dipl Ing | Wellenspaltdichtung fuer stopfbuechslose Kreiselpumpen |
| GB587372A (en) * | 1944-11-01 | 1947-04-23 | Joenkoepings Mek Werkstads Akt | Improvements in liquid seals 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 |
-
1968
- 1968-08-27 US US755586A patent/US3515497A/en not_active Expired - Lifetime
- 1968-12-18 GB GB60188/68A patent/GB1222598A/en not_active Expired
- 1968-12-27 FR FR1597246D patent/FR1597246A/fr not_active Expired
- 1968-12-30 SE SE18034/68A patent/SE350309B/xx unknown
- 1968-12-31 BE BE726371D patent/BE726371A/xx not_active IP Right Cessation
-
1969
- 1969-01-16 CH CH60769A patent/CH496174A/de not_active IP Right Cessation
- 1969-01-21 NL NL6900966.A patent/NL155922B/xx not_active IP Right Cessation
- 1969-02-04 DE DE19691905288 patent/DE1905288A1/de active Pending
- 1969-02-04 DE DE6904086U patent/DE6904086U/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE350309B (US07413550-20080819-C00001.png) | 1972-10-23 |
| US3515497A (en) | 1970-06-02 |
| DE1905288A1 (de) | 1970-05-27 |
| GB1222598A (en) | 1971-02-17 |
| NL6900966A (US07413550-20080819-C00001.png) | 1970-03-03 |
| NL155922B (nl) | 1978-02-15 |
| FR1597246A (US07413550-20080819-C00001.png) | 1970-06-22 |
| DE6904086U (de) | 1970-12-17 |
| CH496174A (de) | 1970-09-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: A.R. WIFLEY AND SONS INC. Effective date: 19851231 |