NL165816C - SEALING SYSTEM FOR A TWO-STAGE CENTRIFUGAL PUMP UNIT. - Google Patents
SEALING SYSTEM FOR A TWO-STAGE CENTRIFUGAL PUMP UNIT.Info
- Publication number
- NL165816C NL165816C NL7105534.A NL7105534A NL165816C NL 165816 C NL165816 C NL 165816C NL 7105534 A NL7105534 A NL 7105534A NL 165816 C NL165816 C NL 165816C
- Authority
- NL
- Netherlands
- Prior art keywords
- pump unit
- centrifugal pump
- sealing system
- stage centrifugal
- stage
- 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
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
- F04D1/063—Multi-stage pumps of the vertically split casing type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/04—Helico-centrifugal pumps
-
- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2266—Rotors specially for centrifugal pumps with special measures for sealing or thrust balance
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 |
---|---|---|---|
US3119770A | 1970-04-23 | 1970-04-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7105534A NL7105534A (en) | 1971-10-26 |
NL165816B NL165816B (en) | 1980-12-15 |
NL165816C true NL165816C (en) | 1981-05-15 |
Family
ID=21858130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7105534.A NL165816C (en) | 1970-04-23 | 1971-04-23 | SEALING SYSTEM FOR A TWO-STAGE CENTRIFUGAL PUMP UNIT. |
Country Status (6)
Country | Link |
---|---|
US (1) | US3639073A (en) |
JP (1) | JPS525081B1 (en) |
DE (1) | DE2117766C3 (en) |
FR (1) | FR2090588A5 (en) |
GB (1) | GB1349903A (en) |
NL (1) | NL165816C (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4269566A (en) * | 1978-09-13 | 1981-05-26 | Spruiell Walter L | Centrifugal pump for abrasive liquids |
US4538959A (en) * | 1982-11-01 | 1985-09-03 | International Telephone & Telegraph Corp. | Clean-in-place pump |
US4648794A (en) * | 1985-05-03 | 1987-03-10 | Joy Manufacturing Company | Pump with high speed expeller |
US5253986A (en) * | 1992-05-12 | 1993-10-19 | Milton Roy Company | Impeller-type pump system |
US5503521A (en) * | 1994-07-14 | 1996-04-02 | Tetra Laval Holdings & Finance S.A. | Centrifugal pump |
US20100163215A1 (en) * | 2008-12-30 | 2010-07-01 | Caterpillar Inc. | Dual volute electric pump, cooling system and pump assembly method |
US9080572B2 (en) * | 2011-12-22 | 2015-07-14 | William E. Murray | Centrifugal pump with secondary impeller and dual outlets |
RU175164U1 (en) * | 2015-12-30 | 2017-11-24 | Федеральное государственное унитарное предприятие "Научно-производственный центр автоматики и приборостроения имени академика Н.А. Пилюгина" (ФГУП "НПЦАП") | VERTICAL SCREW CENTRIFUGAL PUMP |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1048478B (en) * | 1959-01-08 | |||
US790683A (en) * | 1904-06-09 | 1905-05-23 | Elmo G Harris | Centrifugal pump. |
US1123364A (en) * | 1912-03-08 | 1915-01-05 | Laval Steam Turbine Co | Pressure-engine. |
DE652168C (en) * | 1935-04-26 | 1937-10-26 | Wilhelm Beck Dipl Ing | Centrifugal pump for high inlet pressure |
US2663262A (en) * | 1942-12-16 | 1953-12-22 | Jonkopings Mek Werkstads Aktie | Centrifugal pump with sealing device |
US2781209A (en) * | 1954-05-03 | 1957-02-12 | Allis Chalmers Mfg Co | Dynamic seal for a centrifugal pump |
DE1122374B (en) * | 1956-10-26 | 1962-01-18 | Paul Bungartz | Sealing for the shaft of a centrifugal pump by means of a stuffing box, auxiliary conveyor wheel, barrier gas and barrier fluid |
US3213798A (en) * | 1964-03-16 | 1965-10-26 | Ingersoll Rand Co | Sealing and cooling device for a pump shaft |
US3410565A (en) * | 1966-07-27 | 1968-11-12 | Worthington Corp | Centrifugal and face contact seal |
-
1970
- 1970-04-23 US US31197A patent/US3639073A/en not_active Expired - Lifetime
-
1971
- 1971-04-07 DE DE2117766A patent/DE2117766C3/en not_active Expired
- 1971-04-07 JP JP46021667A patent/JPS525081B1/ja active Pending
- 1971-04-19 GB GB2426071*A patent/GB1349903A/en not_active Expired
- 1971-04-22 FR FR7114438A patent/FR2090588A5/fr not_active Expired
- 1971-04-23 NL NL7105534.A patent/NL165816C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2117766C3 (en) | 1978-11-30 |
US3639073A (en) | 1972-02-01 |
JPS525081B1 (en) | 1977-02-09 |
NL165816B (en) | 1980-12-15 |
GB1349903A (en) | 1974-04-10 |
DE2117766B2 (en) | 1978-03-30 |
DE2117766A1 (en) | 1972-01-27 |
FR2090588A5 (en) | 1972-01-14 |
NL7105534A (en) | 1971-10-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL7412448A (en) | REGULATOR FOR A BLOOD PUMP. | |
NL172499C (en) | CARTRIDGE PUMP CARTRIDGE. | |
NL159623B (en) | DRIVEWAY FOR A SHIP. | |
NL166109C (en) | REFLEK FOR A LONG-LIGHT SOURCE. | |
NL179325C (en) | DEVICE FOR PUMPING A DIODELASER. | |
NL159872C (en) | SPRING FOR A SPRINGBOX ASSEMBLY. | |
NL157387B (en) | WHEEL FOR A TURBOMOLECULAR PUMP. | |
NL173097C (en) | SIGNALING DEVICE FOR A FLUID LEVEL. | |
NL165816C (en) | SEALING SYSTEM FOR A TWO-STAGE CENTRIFUGAL PUMP UNIT. | |
NL139385B (en) | LUBRICATION SYSTEM FOR A COMPRESSOR. | |
NL166161C (en) | Deactivation for a thyristor. | |
NL179307C (en) | WALL ELEMENT FOR A SAFE. | |
NL161245C (en) | FRACTION GRILLE FOR A LUMINAIRE. | |
NL167311C (en) | PROTECTION DEVICE FOR A PRESSURE PAN. | |
NL141612B (en) | DISC FOR A TURBO-MOLECULAR PUMP. | |
NL145580B (en) | DEVICE FOR A CONTINUOUS POLYCONDENSATION REACTION. | |
NL155936B (en) | TURN LOCK FOR A LAMP HOUSING. | |
NL163285C (en) | SUCTION TUBE, LIKE A SUCTION SUCTION. | |
NL7412109A (en) | MEMORY SYSTEM FOR A CALCULATOR. | |
NL159506B (en) | RECEIVER FOR A RADIO-NAVIGATION SYSTEM. | |
NL154314B (en) | CONNECTION PIECE FOR A HOSE. | |
BE760785A (en) | TELEMECHANISM FOR A GAS PUMP. | |
NL140336B (en) | INDICATOR FOR A LIQUID FLOW. | |
NL7416134A (en) | ROTOR FOR A PLANE. | |
NL167554B (en) | AERIAL SOCKET FOR A COMMON AERIAL SYSTEM. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
V4 | Discontinued because of reaching the maximum lifetime of a patent |