BE707440A - - Google Patents
Info
- Publication number
- BE707440A BE707440A BE707440DA BE707440A BE 707440 A BE707440 A BE 707440A BE 707440D A BE707440D A BE 707440DA BE 707440 A BE707440 A BE 707440A
- Authority
- BE
- Belgium
Links
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
- F16J15/164—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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US639078A US3402671A (en) | 1967-05-17 | 1967-05-17 | Centrifugal pump and sealing means therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE707440A true BE707440A (US20100012521A1-20100121-C00001.png) | 1968-06-04 |
Family
ID=24562642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE707440D BE707440A (US20100012521A1-20100121-C00001.png) | 1967-05-17 | 1967-12-01 |
Country Status (7)
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3652180A (en) * | 1970-07-13 | 1972-03-28 | Wilfley & Sons Inc A | Centrifugal pump and seal means therefore |
| US3680976A (en) * | 1970-12-14 | 1972-08-01 | Ingersoll Rand Co | Centrifugal pump having leakage collection and draining means |
| US3881840A (en) * | 1973-09-05 | 1975-05-06 | Neratoom | Centrifugal pump for processing liquids containing abrasive constituents, more particularly, a sand pump or a waste-water pumper |
| US3927889A (en) * | 1973-09-18 | 1975-12-23 | Westinghouse Electric Corp | Rotating element fluid seal for centrifugal compressor |
| US4388040A (en) * | 1979-12-14 | 1983-06-14 | Nippon Piston Ring Co., Ltd. | Rotary fluid pump |
| DE3116762C2 (de) * | 1981-04-28 | 1983-02-03 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen | Fluidgesperrte Wellendichtung mit reduzierter Gleitgeschwindigkeit |
| US4556364A (en) * | 1981-07-23 | 1985-12-03 | D. Wickham And Company Limited | Centrifugal pumps |
| US4714405A (en) * | 1983-06-08 | 1987-12-22 | Sundstrand Corporation | Centrifugal pump |
| JPS60501510A (ja) * | 1983-06-08 | 1985-09-12 | サンドストランド・コ−ポレ−シヨン | 遠心ポンプ |
| US4613281A (en) * | 1984-03-08 | 1986-09-23 | Goulds Pumps, Incorporated | Hydrodynamic seal |
| GB2187231B (en) * | 1986-02-28 | 1989-04-26 | Godiva Fire Pumps Ltd | Pump arrangements |
| US5261786A (en) * | 1991-03-05 | 1993-11-16 | A. R. Wilfley & Sons, Inc. | Actuator mechanism for pump sealing apparatus |
| US5173019A (en) * | 1991-08-05 | 1992-12-22 | American Gage And Machine Company | Pump including secondary containment with alarm system |
| US5427500A (en) * | 1994-03-15 | 1995-06-27 | The Weir Group Plc | Slurry pump seal system |
| US6056506A (en) * | 1998-09-23 | 2000-05-02 | Emerson Electric Co. | Pump assembly for jetted tub |
| US6247892B1 (en) * | 1999-07-26 | 2001-06-19 | Impsa International Inc. | Continuous flow rotary pump |
| US6789804B2 (en) * | 2001-07-23 | 2004-09-14 | Kaydon Corporation | Dry gas shutdown seal |
| DE10153293A1 (de) * | 2001-10-31 | 2003-05-15 | List Ag Arisdorf | Vorrichtung zur Behandlung eines Stoffes |
| US9359912B2 (en) * | 2011-01-10 | 2016-06-07 | United Technologies Corporation | Runner for circumferential seals |
| WO2018022723A1 (en) * | 2016-07-29 | 2018-02-01 | Aerojet Rocketdyne, Inc. | Liquid propellant rocket engine turbopump drain |
| KR101893847B1 (ko) * | 2016-11-11 | 2018-08-31 | 명화공업주식회사 | 워터펌프 |
| US10161411B1 (en) * | 2017-10-20 | 2018-12-25 | Halliburton Energy Services, Inc. | Centrifugal pump sealing surfaces |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1556657A (en) * | 1924-06-09 | 1925-10-13 | Arthur R Wilfley | Centrifugal pump |
| US2092351A (en) * | 1932-06-27 | 1937-09-07 | Wilfley & Sons Inc A | Centrifugal pump |
| US1976532A (en) * | 1934-01-09 | 1934-10-09 | Wilfley & Sons Inc A | Sealing means for centrifugal pumps |
| US2571802A (en) * | 1948-04-09 | 1951-10-16 | Wilfley & Sons Inc A | Centrifugal pump |
| US2620207A (en) * | 1949-07-19 | 1952-12-02 | Wilfley & Sons Inc A | Glandless seal for centrifugal pumps |
| US2660487A (en) * | 1951-05-31 | 1953-11-24 | A R Wilfiey And Sons Inc | Centrifugal pump bearing seal |
-
1967
- 1967-05-17 US US639078A patent/US3402671A/en not_active Expired - Lifetime
- 1967-09-06 GB GB40653/67A patent/GB1155920A/en not_active Expired
- 1967-09-14 DE DE19671653788 patent/DE1653788A1/de active Pending
- 1967-09-14 CH CH1290767A patent/CH471973A/de not_active IP Right Cessation
- 1967-11-15 NL NL6715524A patent/NL6715524A/xx unknown
- 1967-12-01 BE BE707440D patent/BE707440A/xx not_active IP Right Cessation
- 1967-12-05 DK DK609367AA patent/DK140466B/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6715524A (US20100012521A1-20100121-C00001.png) | 1968-11-18 |
| GB1155920A (en) | 1969-06-25 |
| DK140466B (da) | 1979-09-03 |
| DK140466C (US20100012521A1-20100121-C00001.png) | 1980-01-28 |
| CH471973A (de) | 1969-04-30 |
| US3402671A (en) | 1968-09-24 |
| DE1653788A1 (de) | 1972-07-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: A.R. WILFEY AND SONS INC. Effective date: 19841201 |