GB805980A - Improvements in or relating to shaft seals for gas-filled machines - Google Patents
Improvements in or relating to shaft seals for gas-filled machinesInfo
- Publication number
- GB805980A GB805980A GB350756A GB350756A GB805980A GB 805980 A GB805980 A GB 805980A GB 350756 A GB350756 A GB 350756A GB 350756 A GB350756 A GB 350756A GB 805980 A GB805980 A GB 805980A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ring
- gas
- pressure
- housing
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
-
- 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
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
- F16J15/3408—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface
- F16J15/3412—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities
- F16J15/342—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities with means for feeding fluid directly to the face
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Mechanical Sealing (AREA)
Abstract
805,980. Stuffing-box substitutes. GENERAL ELECTRIC CO. Ltd. Feb. 4, 1957 [Feb. 3, 1956], No. 3507/56. Class 122 (5). The shaft 1 of a gas-filled machine, e.g. a hydrogen-cooled alternator, is sealed by a seal ring 3 urged into facial contact with a relatively rotatable part by liquid pressure acting on the ring in opposition to the pressure of the gas in the machine. The ring 3 is axially slidable in its housing 4 but rotatably fixed by at least one pin 5 projecting from the housing into a slot 6 in the ring and is urged axially inwards into sealing contact with a shoulder 2 on the rotary shaft 1 by the pressure of oil in a chamber 7, which pressure may be assisted by springs 10 and acts on the ring in opposition to the pressure of gas in the interior of the alternator. Sealing rings 8 and 9 are provided between the ring 3 and its housing 4 and oil for cooling is supplied through ducts 12 to a circular groove 13 in the ring seal face from which pockets 14 extend radially inwards, the pockets being open to atmosphere through small orifices 18. The ring 3 may co-operate with a removable seat on the shoulder 2 or a collar on the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB350756A GB805980A (en) | 1956-02-03 | 1956-02-03 | Improvements in or relating to shaft seals for gas-filled machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB350756A GB805980A (en) | 1956-02-03 | 1956-02-03 | Improvements in or relating to shaft seals for gas-filled machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB805980A true GB805980A (en) | 1958-12-17 |
Family
ID=9759648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB350756A Expired GB805980A (en) | 1956-02-03 | 1956-02-03 | Improvements in or relating to shaft seals for gas-filled machines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB805980A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3099453A (en) * | 1959-10-14 | 1963-07-30 | Dresser Operations Inc | Shaft seal with positive automatic shut-down feature |
| EP2261464A1 (en) * | 2009-06-09 | 2010-12-15 | Siemens Aktiengesellschaft | Turbomachine |
-
1956
- 1956-02-03 GB GB350756A patent/GB805980A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3099453A (en) * | 1959-10-14 | 1963-07-30 | Dresser Operations Inc | Shaft seal with positive automatic shut-down feature |
| EP2261464A1 (en) * | 2009-06-09 | 2010-12-15 | Siemens Aktiengesellschaft | Turbomachine |
| WO2010142584A1 (en) * | 2009-06-09 | 2010-12-16 | Siemens Aktiengesellschaft | Turbomachine |
| CN102459820A (en) * | 2009-06-09 | 2012-05-16 | 西门子公司 | Turbomachine |
| JP2012529588A (en) * | 2009-06-09 | 2012-11-22 | シーメンス アクティエンゲゼルシャフト | Turbo machine |
| US9175576B2 (en) | 2009-06-09 | 2015-11-03 | Siemens Aktiengesellschaft | Turbomachine |
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