IT1082279B - Sistema di tenuta per l'impiego in una pompa composita a piu stadi - Google Patents
Sistema di tenuta per l'impiego in una pompa composita a piu stadiInfo
- Publication number
- IT1082279B IT1082279B IT68865/77A IT6886577A IT1082279B IT 1082279 B IT1082279 B IT 1082279B IT 68865/77 A IT68865/77 A IT 68865/77A IT 6886577 A IT6886577 A IT 6886577A IT 1082279 B IT1082279 B IT 1082279B
- Authority
- IT
- Italy
- Prior art keywords
- sealing system
- stage composite
- composite pump
- pump
- 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
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/041—Axial thrust balancing
-
- 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
- F04D1/066—Multi-stage pumps of the vertically split casing type the casing consisting of a plurality of annuli bolted together
-
- 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
- F04D1/10—Multi-stage pumps with means for changing the flow-path through the stages, e.g. series-parallel, e.g. side loads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/12—Combinations of two or more pumps
- F04D13/14—Combinations of two or more pumps the pumps being all of centrifugal 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
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings especially adapted for liquid pumps
- F04D29/108—Shaft sealings especially adapted for liquid pumps the sealing fluid being other than the working liquid or being the working liquid treated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Reciprocating Pumps (AREA)
- Compressor (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9767076A JPS5324102A (en) | 1976-08-18 | 1976-08-18 | Shaft sealing device for compound multi stage pump |
JP9767176A JPS5324103A (en) | 1976-08-18 | 1976-08-18 | Compound multi stage pump |
JP9767276A JPS5810591B2 (ja) | 1976-08-18 | 1976-08-18 | 複合多段ポンプの温度上昇制御装置 |
JP10154176A JPS5327101A (en) | 1976-08-27 | 1976-08-27 | Shaft enclosing device for complex multistage pump |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1082279B true IT1082279B (it) | 1985-05-21 |
Family
ID=27468562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT68865/77A IT1082279B (it) | 1976-08-18 | 1977-08-16 | Sistema di tenuta per l'impiego in una pompa composita a piu stadi |
Country Status (9)
Country | Link |
---|---|
US (1) | US4121839A (it) |
BR (1) | BR7705493A (it) |
CA (1) | CA1096703A (it) |
DE (1) | DE2737294A1 (it) |
FR (1) | FR2362286A1 (it) |
GB (1) | GB1586878A (it) |
IT (1) | IT1082279B (it) |
NL (1) | NL176391C (it) |
NO (1) | NO156020C (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5442548A (en) * | 1977-09-10 | 1979-04-04 | Kenji Asano | Leak seal liquid return apparatus for stirling engine |
US4684318A (en) * | 1984-05-16 | 1987-08-04 | Borg-Warner Corporation | Hydrostatic bearing for pumps and the like |
JPH0322559Y2 (it) * | 1985-06-20 | 1991-05-16 | ||
CH669241A5 (de) * | 1985-11-27 | 1989-02-28 | Sulzer Ag | Axialschub-ausgleichsvorrichtung fuer fluessigkeitspumpe. |
US4968219A (en) * | 1989-06-22 | 1990-11-06 | Sundstrand Corporation | Multi-stage compressor with seal heating |
DE19518564A1 (de) * | 1995-05-20 | 1996-11-21 | Klein Schanzlin & Becker Ag | Kreiselpumpe zur Förderung heißer Medien |
DE29704389U1 (de) * | 1997-03-11 | 1997-05-07 | Burgmann Dichtungswerk Feodor | Leckagerückführanordnung bei einer Dichtungseinrichtung |
EP3121450B1 (de) * | 2015-07-23 | 2020-09-02 | Sulzer Management AG | Pumpe zum fördern eines fluids mit variierender viskosität |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA880763A (en) * | 1971-09-14 | G. Unsworth Robert | Seal primarily for a turbine | |
US1123364A (en) * | 1912-03-08 | 1915-01-05 | Laval Steam Turbine Co | Pressure-engine. |
US1151965A (en) * | 1913-08-12 | 1915-08-31 | Laval Steam Turbine Co | Balancing of centrifugal pumps. |
GB286623A (en) * | 1927-03-04 | 1929-01-03 | Gen Electric | Improvements in or relating to methods of preventing the leakage of steam through turbine shaft stuffing boxes |
US1912452A (en) * | 1928-05-07 | 1933-06-06 | Byron Jackson Co | Balanced multistage centrifugal pump |
US1900531A (en) * | 1929-09-19 | 1933-03-07 | Weil Pump Company | Multistage centrifugal pump |
US1978277A (en) * | 1931-03-21 | 1934-10-23 | Pennsylvania Pump & Compressor | Multistage pump balancing means |
DE686830C (de) * | 1936-09-03 | 1940-01-30 | Klein | Doppelkreiselpumpe mit gleichgerichteten Laufraedern |
GB549922A (en) * | 1940-12-30 | 1942-12-14 | Mueller & Cie Maschinenfabrik | Improvements in or relating to very high pressure centrifugal pumps |
US2668503A (en) * | 1949-10-26 | 1954-02-09 | Allis Chalmers Mfg Co | Double casing pump |
GB730311A (en) * | 1952-12-15 | 1955-05-18 | Mather & Platt Ltd | Improvements relating to centrifugal pumps |
FR1337460A (fr) * | 1962-08-02 | 1963-09-13 | Alsacienne Constr Meca | Perfectionnements aux machines soufflantes rotatives |
US3297329A (en) * | 1964-08-26 | 1967-01-10 | Ingersoll Rand Co | Pump seal injection control |
US3420434A (en) * | 1966-12-30 | 1969-01-07 | Judson S Swearingen | Rotary compressors and systems employing same using compressor gas as seal gas |
DE2034586C3 (de) * | 1970-07-11 | 1982-05-06 | Halberg Maschinenbau Gmbh & Co, 6700 Ludwigshafen | Einrichtung zum Abdichten und Kühlen der Antriebswelle von Kreiselpumpen zur Förderung heißer Medien |
US3718406A (en) * | 1971-03-22 | 1973-02-27 | Borg Warner | Centrifugal pump with integral seal pressure balance |
CH540436A (de) * | 1971-07-12 | 1973-08-15 | Sulzer Ag | Turbokompressor, welcher das Arbeitsmedium bei tiefer Temperatur ansaugt |
GB1366895A (en) * | 1971-08-26 | 1974-09-18 | Weir Pumps Ltd | Rotary shaft liquid handling machines |
-
1977
- 1977-08-09 US US05/823,100 patent/US4121839A/en not_active Expired - Lifetime
- 1977-08-16 IT IT68865/77A patent/IT1082279B/it active
- 1977-08-17 GB GB34438/77A patent/GB1586878A/en not_active Expired
- 1977-08-17 FR FR7725173A patent/FR2362286A1/fr active Granted
- 1977-08-17 NL NLAANVRAGE7709065,A patent/NL176391C/xx not_active IP Right Cessation
- 1977-08-17 NO NO772872A patent/NO156020C/no unknown
- 1977-08-18 CA CA285,190A patent/CA1096703A/en not_active Expired
- 1977-08-18 BR BR7705493A patent/BR7705493A/pt unknown
- 1977-08-18 DE DE19772737294 patent/DE2737294A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2737294A1 (de) | 1978-02-23 |
NL7709065A (nl) | 1978-02-21 |
NL176391B (nl) | 1984-11-01 |
NL176391C (nl) | 1985-04-01 |
FR2362286B1 (it) | 1981-09-11 |
NO156020C (no) | 1987-07-08 |
GB1586878A (en) | 1981-03-25 |
US4121839A (en) | 1978-10-24 |
FR2362286A1 (fr) | 1978-03-17 |
CA1096703A (en) | 1981-03-03 |
BR7705493A (pt) | 1978-04-25 |
NO772872L (no) | 1978-02-21 |
NO156020B (no) | 1987-03-30 |
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