FR980793A - Improvements to pumps or compressors - Google Patents
Improvements to pumps or compressorsInfo
- Publication number
- FR980793A FR980793A FR980793DA FR980793A FR 980793 A FR980793 A FR 980793A FR 980793D A FR980793D A FR 980793DA FR 980793 A FR980793 A FR 980793A
- Authority
- FR
- France
- Prior art keywords
- compressors
- pumps
- 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
- F04C2/00—Rotary-piston machines or pumps
- F04C2/02—Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C2/063—Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents with coaxially-mounted members having continuously-changing circumferential spacing between them
- F04C2/07—Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents with coaxially-mounted members having continuously-changing circumferential spacing between them having crankshaft-and-connecting-rod type drive
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR980793T | 1943-03-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR980793A true FR980793A (en) | 1951-05-17 |
Family
ID=9527747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR980793D Expired FR980793A (en) | 1943-03-05 | 1943-03-05 | Improvements to pumps or compressors |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR980793A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2455687A1 (en) * | 1979-05-03 | 1980-11-28 | Bermes Robert | Rotary pump for artificial heart - has two double bladed rotors within cylindrical stator to define two pumping chambers |
EP0034958A2 (en) * | 1980-02-06 | 1981-09-02 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." | Engine with rotary pistons having a cyclic speed variation and driving means |
-
1943
- 1943-03-05 FR FR980793D patent/FR980793A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2455687A1 (en) * | 1979-05-03 | 1980-11-28 | Bermes Robert | Rotary pump for artificial heart - has two double bladed rotors within cylindrical stator to define two pumping chambers |
EP0034958A2 (en) * | 1980-02-06 | 1981-09-02 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." | Engine with rotary pistons having a cyclic speed variation and driving means |
EP0034958A3 (en) * | 1980-02-06 | 1981-09-16 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." | Engine with rotary pistons having a cyclic speed variation and driving means |
US4419057A (en) * | 1980-02-06 | 1983-12-06 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." | Rotary piston motor |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR981992A (en) | Volumetric pump | |
FR986680A (en) | Improvements to centrifugal pumps | |
FR886632A (en) | Improvements to aeromotors | |
FR980254A (en) | Improvements to rotary pumps | |
FR980793A (en) | Improvements to pumps or compressors | |
FR919228A (en) | Improvements to compressors | |
FR979507A (en) | Improvements to hydraulic pumps | |
FR982422A (en) | Improvements to positive displacement compressors | |
FR941846A (en) | Improvements to pumps | |
FR55857E (en) | Improvements to pumps or compressors | |
FR975094A (en) | Improvements to pumps | |
FR887890A (en) | Improvements to pumps | |
FR932526A (en) | Improvements to pumps | |
FR988402A (en) | Improvements to hydraulic pumps | |
FR892075A (en) | Improvements to rotary pumps | |
FR949745A (en) | Improvements to belts | |
FR920732A (en) | Improvements to axial compressors | |
FR930342A (en) | Improvements made or relating to valves | |
FR931060A (en) | Improvements to rotary pumps | |
FR986910A (en) | Improvements to piston pumps | |
FR889836A (en) | Improvements to positive displacement compressors | |
FR893830A (en) | Two-stage compressor | |
FR940895A (en) | Improvements to hand pumps | |
FR905730A (en) | Improvements to the valves | |
FR917664A (en) | Improvements to alternative pumps |