GB1325471A - Externally meshing screw rotor compressor - Google Patents
Externally meshing screw rotor compressorInfo
- Publication number
- GB1325471A GB1325471A GB1325471DA GB1325471A GB 1325471 A GB1325471 A GB 1325471A GB 1325471D A GB1325471D A GB 1325471DA GB 1325471 A GB1325471 A GB 1325471A
- Authority
- GB
- United Kingdom
- Prior art keywords
- radial
- screw rotor
- screw
- piston
- chamber
- 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
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0021—Systems for the equilibration of forces acting on the pump
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
1325471 Screw rotor compressors KUHLAUTOMAT VEB 29 Oct 1970 51585/70 Heading F1F In an externally meshing screw rotor compressor, both axial and radial i.e. eccentric thrust movements of the screw rotors 4 are opposed i.e. compensated by hydraulic pressure supplied via duct 11 to a piston chamber 9, the axial thrust being absorbed by the reaction force of the hydraulic pressure on a piston 2 fast on the screw rotor 4 whilst the radial movements are opposed i.e. compensated by the resulting radial pressure drop at the increased clearance side of compensating chamber 15, formed by a floating bush 13, resulting from the radial i.e. eccentric movement of the screw shaft which allows the resulting higher diametrically radially opposing pressure in the compensating chamber 15 to counteract and thus compensate i.e. oppose the eccentric movement of the screw shaft 4. In Fig.2 (not shown) the former floating bush of Fig.1 is fixed and the piston, fast on the screw rotor 4, is formed of two parts one of which functions in a similar manner to the floating bush of the Fig.1 embodiment when radial i.e. eccentric movement of the screw shaft 4 causes a radial pressure imbalance in the compensator chamber (12).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5158570 | 1970-10-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1325471A true GB1325471A (en) | 1973-08-01 |
Family
ID=10460600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1325471D Expired GB1325471A (en) | 1970-10-29 | 1970-10-29 | Externally meshing screw rotor compressor |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1325471A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4185949A (en) * | 1977-01-20 | 1980-01-29 | Stal Refrigeration Ab | Screw compressor with bearing unloading means |
US6093007A (en) * | 1995-10-30 | 2000-07-25 | Shaw; David N. | Multi-rotor helical-screw compressor with thrust balance device |
CN111645110A (en) * | 2020-07-01 | 2020-09-11 | 无锡盈连科技有限公司 | Radial floating device |
-
1970
- 1970-10-29 GB GB1325471D patent/GB1325471A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4185949A (en) * | 1977-01-20 | 1980-01-29 | Stal Refrigeration Ab | Screw compressor with bearing unloading means |
US6093007A (en) * | 1995-10-30 | 2000-07-25 | Shaw; David N. | Multi-rotor helical-screw compressor with thrust balance device |
CN111645110A (en) * | 2020-07-01 | 2020-09-11 | 无锡盈连科技有限公司 | Radial floating device |
CN111645110B (en) * | 2020-07-01 | 2024-05-03 | 无锡盈连科技有限公司 | Radial floating device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
414F | Notice of opposition given (sect. 14/1949) | ||
414A | Case decided by the comptroller ** specification amended (sect. 14/1949) | ||
SPA | Amended specification published | ||
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |