GB1387718A - Rotary positive-displacement machines - Google Patents
Rotary positive-displacement machinesInfo
- Publication number
- GB1387718A GB1387718A GB1672572A GB1672572A GB1387718A GB 1387718 A GB1387718 A GB 1387718A GB 1672572 A GB1672572 A GB 1672572A GB 1672572 A GB1672572 A GB 1672572A GB 1387718 A GB1387718 A GB 1387718A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rotor
- vanes
- axial
- cavities
- extensions
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/08—Rotary pistons
- F01C21/0809—Construction of vanes or vane holders
- F01C21/0818—Vane tracking; control therefor
- F01C21/0827—Vane tracking; control therefor by mechanical means
- F01C21/0836—Vane tracking; control therefor by mechanical means comprising guiding means, e.g. cams, rollers
Abstract
1387718 Rotary positive displacement machines PROCEDES TECHNIQUES DE CONSTRUCTION 11 April 1972 [19 April 1971] 16725/72 Heading F1F A rotary positive displacement machine, in which a rotor 11 is eccentrically mounted for rotation in a cylindrical housing 9 and has radially slideable vanes 16, has end-plates 10, 10' with cylindrical cavities 14 which receive respective ends of the rotor 11 with axial clearances 12, 12'. The vanes extend axially beyond the rotor extensions and have axial extensions 19, 19' which abut the end surfaces 15 of cavities 14, the central part of each vane extending radially outwardly to mate with the space defined by end surfaces 18 of plates 10, 10' and cylinder 9. The only accurate axial lengths that are needed are those of the parts of the vanes held between surfaces 18, the outer surfaces of the vane extensions sealingly contacting the inner cylindrical surfaces of cavities 14. This has an advantage over the past machines Figs. 1 and 2 (not shown) where the whole rotor and its vanes has to be manufactured to extremely fine tolerances to reduce leakage at the axial faces. An embodiment in which the projections 19, 19' are replaced by a single central radial vane projection is also described, Fig. 5 (not shown).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7113680A FR2134722A5 (en) | 1971-04-19 | 1971-04-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1387718A true GB1387718A (en) | 1975-03-19 |
Family
ID=9075460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1672572A Expired GB1387718A (en) | 1971-04-19 | 1972-04-11 | Rotary positive-displacement machines |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2219086A1 (en) |
FR (1) | FR2134722A5 (en) |
GB (1) | GB1387718A (en) |
IT (1) | IT951350B (en) |
-
1971
- 1971-04-19 FR FR7113680A patent/FR2134722A5/fr not_active Expired
-
1972
- 1972-04-11 GB GB1672572A patent/GB1387718A/en not_active Expired
- 1972-04-13 IT IT2306872A patent/IT951350B/en active
- 1972-04-19 DE DE19722219086 patent/DE2219086A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2219086A1 (en) | 1972-11-02 |
IT951350B (en) | 1973-06-30 |
FR2134722A5 (en) | 1972-12-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |