ZA723725B - Improvements in completely dry and fluid-tight vacuum pumps - Google Patents
Improvements in completely dry and fluid-tight vacuum pumpsInfo
- Publication number
- ZA723725B ZA723725B ZA723725A ZA723725A ZA723725B ZA 723725 B ZA723725 B ZA 723725B ZA 723725 A ZA723725 A ZA 723725A ZA 723725 A ZA723725 A ZA 723725A ZA 723725 B ZA723725 B ZA 723725B
- Authority
- ZA
- South Africa
- Prior art keywords
- fluid
- vacuum pumps
- completely dry
- tight vacuum
- tight
- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids 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
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids 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 both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids 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 both members having co-operating elements in spiral form where only one member is moving
-
- 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
- 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
- F04C29/02—Lubrication; Lubricant separation
- F04C29/025—Lubrication; Lubricant separation using a lubricant pump
-
- 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
- F04C29/04—Heating; Cooling; Heat insulation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR717119699A FR2141402B1 (en) | 1971-06-01 | 1971-06-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA723725B true ZA723725B (en) | 1973-03-28 |
Family
ID=9077887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA723725A ZA723725B (en) | 1971-06-01 | 1972-05-30 | Improvements in completely dry and fluid-tight vacuum pumps |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2141402B1 (en) |
ZA (1) | ZA723725B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3986799A (en) * | 1975-11-03 | 1976-10-19 | Arthur D. Little, Inc. | Fluid-cooled, scroll-type, positive fluid displacement apparatus |
FR2567970B1 (en) * | 1984-07-23 | 1989-04-28 | Normetex | COMPLETELY DRY AND WATERPROOF VACUUM PUMP WITH RECTILINEAR MOTION OF COMPRESSION COMPRESSION |
FR2764347B1 (en) * | 1997-06-05 | 1999-07-30 | Alsthom Cge Alcatel | SCROLL TYPE MACHINE |
FR2764346B1 (en) * | 1997-06-05 | 1999-07-30 | Alsthom Cge Alcatel | SCROLL TYPE FLUID MOVING MACHINE |
CN109386463B (en) * | 2018-12-06 | 2024-06-28 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor with a compressor body having a rotor with a rotor shaft |
-
1971
- 1971-06-01 FR FR717119699A patent/FR2141402B1/fr not_active Expired
-
1972
- 1972-05-30 ZA ZA723725A patent/ZA723725B/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR2141402A1 (en) | 1973-01-26 |
FR2141402B1 (en) | 1973-06-29 |
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