IT1236704B - Pompa rotativa a vite perefezionata per il pompaggio di liquidi o per la compressione di gas. - Google Patents
Pompa rotativa a vite perefezionata per il pompaggio di liquidi o per la compressione di gas.Info
- Publication number
- IT1236704B IT1236704B IT02237689A IT2237689A IT1236704B IT 1236704 B IT1236704 B IT 1236704B IT 02237689 A IT02237689 A IT 02237689A IT 2237689 A IT2237689 A IT 2237689A IT 1236704 B IT1236704 B IT 1236704B
- Authority
- IT
- Italy
- Prior art keywords
- perefected
- pumping
- liquids
- compression
- gas
- 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
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT02237689A IT1236704B (it) | 1989-11-14 | 1989-11-14 | Pompa rotativa a vite perefezionata per il pompaggio di liquidi o per la compressione di gas. |
CH3294/90A CH680744A5 (en) | 1989-11-14 | 1990-10-12 | Rotary helical gear pump for liquids or gases - has cylindrical chambers which interconnect each other with screw rotor having helical lobes which innermost and suction device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT02237689A IT1236704B (it) | 1989-11-14 | 1989-11-14 | Pompa rotativa a vite perefezionata per il pompaggio di liquidi o per la compressione di gas. |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8922376A0 IT8922376A0 (it) | 1989-11-14 |
IT8922376A1 IT8922376A1 (it) | 1991-05-14 |
IT1236704B true IT1236704B (it) | 1993-03-26 |
Family
ID=11195436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT02237689A IT1236704B (it) | 1989-11-14 | 1989-11-14 | Pompa rotativa a vite perefezionata per il pompaggio di liquidi o per la compressione di gas. |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH680744A5 (it) |
IT (1) | IT1236704B (it) |
-
1989
- 1989-11-14 IT IT02237689A patent/IT1236704B/it active IP Right Grant
-
1990
- 1990-10-12 CH CH3294/90A patent/CH680744A5/it not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IT8922376A1 (it) | 1991-05-14 |
IT8922376A0 (it) | 1989-11-14 |
CH680744A5 (en) | 1992-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971126 |