SE303114B - - Google Patents
Info
- Publication number
- SE303114B SE303114B SE6694/64A SE669464A SE303114B SE 303114 B SE303114 B SE 303114B SE 6694/64 A SE6694/64 A SE 6694/64A SE 669464 A SE669464 A SE 669464A SE 303114 B SE303114 B SE 303114B
- Authority
- SE
- Sweden
- Prior art keywords
- restricted clearance
- annular space
- fluid
- water
- supplied
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/006—Sealing arrangements
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
-
- 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
- Y10S415/00—Rotary kinetic fluid motors or pumps
- Y10S415/91—Reversible between pump and motor use
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Turbines (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
1,048,152. Hydraulic turbines; centrifugal pumps. DOMINION ENGINEERING WORKS Ltd. May 1, 1964 [June 10, 1963], No. 18147/64. Headings F1C and FIT. Leakage preventing means in an hydraulic turbine, pump or reversible pump-turbine including a rotary member mounted for rotation relative to a static member, consists in supplying fluid of relatively low density, which may be air, to an annular space formed between the two members and preventing this fluid from escaping from the annular space by forming two zones of restricted clearance between the two members and bounding the annular space, and supplying a relatively high density fluid, which may be water, to at least one of the zones of restricted clearance to form a fluid seal therein. Air is supplied to an annular space 18 surrounding the runner 13 of a Francis turbine. The lower zone of restricted clearance is formed by the co-operation of the runner band 29, the stator 19, rings 20 and 34, and base ring 32. The inner surface 21 of the stator is provided with an annular groove 26 to which water is supplied through duct 24. It is stated that a standing water seal is formed in the outer region of the annular gap 25 between rings 34 and 20. Several modifications, Figs. 3-7 (not shown), of the zone of restricted clearance include runner bands, stators and associated rings of slightly different shapes to provide zones of restricted clearance of varying configurations to each of which water is supplied in a manner similar to that illustrated in Fig. 2.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US286646A US3174720A (en) | 1963-06-10 | 1963-06-10 | Seal for rotary hydraulic machine |
Publications (1)
Publication Number | Publication Date |
---|---|
SE303114B true SE303114B (en) | 1968-08-12 |
Family
ID=23099535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE6694/64A SE303114B (en) | 1963-06-10 | 1964-06-02 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3174720A (en) |
CH (1) | CH411745A (en) |
DE (1) | DE1503254A1 (en) |
GB (1) | GB1048152A (en) |
LU (1) | LU46222A1 (en) |
NO (1) | NO117848B (en) |
SE (1) | SE303114B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3405913A (en) * | 1967-12-04 | 1968-10-15 | Dominion Eng Works Ltd | Rotary seal structure |
US3923417A (en) * | 1974-12-30 | 1975-12-02 | Allis Chalmers | Hydraulic turbine spiral case drain |
JPS5395447A (en) * | 1977-01-31 | 1978-08-21 | Toshiba Corp | Operation of reversible pump-turbine |
JPS5460109U (en) * | 1977-10-06 | 1979-04-25 | ||
DE3113273A1 (en) * | 1981-04-02 | 1982-10-21 | Klein, Schanzlin & Becker Ag, 6710 Frankenthal | CYCLING MACHINE |
US4439107A (en) * | 1982-09-16 | 1984-03-27 | United Technologies Corporation | Rotor blade cooling air chamber |
JP7269187B2 (en) * | 2020-01-06 | 2023-05-08 | 株式会社東芝 | Runner for Francis turbine and Francis turbine |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE592528C (en) * | 1934-02-08 | J M Voith Maschinenfabrik | Arrangement for lubricating and cooling the wear rings of centrifugal machines when idling | |
US1516822A (en) * | 1924-11-25 | mccormack | ||
US2109679A (en) * | 1936-04-13 | 1938-03-01 | Sr Aloys Neveling | Sealing device for pumps |
DE714290C (en) * | 1940-03-18 | 1941-11-26 | Escher Wyss Maschinenfabrik G | Single or multi-stage centrifugal machine working with liquid |
FR1059878A (en) * | 1951-11-05 | 1954-03-29 | Usines De Const Mecaniques Ehr | Sealing system against water from interstices for centrifugal pumps |
-
1963
- 1963-06-10 US US286646A patent/US3174720A/en not_active Expired - Lifetime
-
1964
- 1964-05-01 GB GB18147/64A patent/GB1048152A/en not_active Expired
- 1964-05-11 CH CH618864A patent/CH411745A/en unknown
- 1964-06-02 SE SE6694/64A patent/SE303114B/xx unknown
- 1964-06-02 LU LU46222D patent/LU46222A1/xx unknown
- 1964-06-05 DE DE19641503254 patent/DE1503254A1/en active Pending
- 1964-06-09 NO NO153591A patent/NO117848B/no unknown
Also Published As
Publication number | Publication date |
---|---|
US3174720A (en) | 1965-03-23 |
NO117848B (en) | 1969-09-29 |
GB1048152A (en) | 1966-11-09 |
CH411745A (en) | 1966-04-15 |
DE1503254A1 (en) | 1970-09-17 |
LU46222A1 (en) | 1965-12-03 |
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