SE9703675D0 - Method and device of screw rotor machine to prevent lubricant penetration into its rotor housing - Google Patents
Method and device of screw rotor machine to prevent lubricant penetration into its rotor housingInfo
- Publication number
- SE9703675D0 SE9703675D0 SE9703675A SE9703675A SE9703675D0 SE 9703675 D0 SE9703675 D0 SE 9703675D0 SE 9703675 A SE9703675 A SE 9703675A SE 9703675 A SE9703675 A SE 9703675A SE 9703675 D0 SE9703675 D0 SE 9703675D0
- Authority
- SE
- Sweden
- Prior art keywords
- rotor
- prevent lubricant
- machine
- lubricant penetration
- rotor housing
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
- F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
- F01C1/12—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type
- F01C1/14—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F01C1/16—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C19/00—Sealing arrangements in rotary-piston machines or engines
- F01C19/12—Sealing arrangements in rotary-piston machines or engines for other than working fluid
- F01C19/125—Shaft sealings specially adapted for rotary or oscillating-piston machines or engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rolling Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Bearing lubricant is prevented from entering the rotor casing and contaminating work fluid by providing a space (26) between two sealing rings (12, 14) around the rotor shaft journal (10), and supplying it with pressurised fluid taken from a work chamber (42) inside the pump.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9703675A SE511251C2 (en) | 1997-10-09 | 1997-10-09 | Rotary piston pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9703675A SE511251C2 (en) | 1997-10-09 | 1997-10-09 | Rotary piston pump |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9703675D0 true SE9703675D0 (en) | 1997-10-09 |
SE9703675L SE9703675L (en) | 1999-04-10 |
SE511251C2 SE511251C2 (en) | 1999-08-30 |
Family
ID=20408549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9703675A SE511251C2 (en) | 1997-10-09 | 1997-10-09 | Rotary piston pump |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE511251C2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112833093A (en) | 2019-11-25 | 2021-05-25 | 斯凯孚公司 | Bearing arrangement |
-
1997
- 1997-10-09 SE SE9703675A patent/SE511251C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE9703675L (en) | 1999-04-10 |
SE511251C2 (en) | 1999-08-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |