FR508380A - Perfectionnements aux pompes rotatives - Google Patents
Perfectionnements aux pompes rotativesInfo
- Publication number
- FR508380A FR508380A FR508380A FR508380DA FR508380A FR 508380 A FR508380 A FR 508380A FR 508380 A FR508380 A FR 508380A FR 508380D A FR508380D A FR 508380DA FR 508380 A FR508380 A FR 508380A
- Authority
- FR
- France
- Prior art keywords
- rotary pumps
- pumps
- rotary
- 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
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
- F04C14/26—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
-
- 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
- F01C1/30—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F01C1/34—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members
- F01C1/356—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
- F01C1/3562—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
- F01C1/3564—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB508380X | 1919-02-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR508380A true FR508380A (fr) | 1920-10-08 |
Family
ID=10457580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR508380A Expired FR508380A (fr) | 1919-02-13 | 1920-01-13 | Perfectionnements aux pompes rotatives |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR508380A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4251192A (en) * | 1978-12-07 | 1981-02-17 | Clark Alonzo R | Rotary pump with symmetrical by-pass and rotor with resiliently mounted vanes |
US5961297A (en) * | 1995-02-28 | 1999-10-05 | Iwata Air Compressor Mfg. Co., Ltd. | Oil-free two stage scroll vacuum pump and method for controlling the same pump |
-
1920
- 1920-01-13 FR FR508380A patent/FR508380A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4251192A (en) * | 1978-12-07 | 1981-02-17 | Clark Alonzo R | Rotary pump with symmetrical by-pass and rotor with resiliently mounted vanes |
US5961297A (en) * | 1995-02-28 | 1999-10-05 | Iwata Air Compressor Mfg. Co., Ltd. | Oil-free two stage scroll vacuum pump and method for controlling the same pump |
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