CH604009A5 - - Google Patents
Info
- Publication number
- CH604009A5 CH604009A5 CH407276A CH407276A CH604009A5 CH 604009 A5 CH604009 A5 CH 604009A5 CH 407276 A CH407276 A CH 407276A CH 407276 A CH407276 A CH 407276A CH 604009 A5 CH604009 A5 CH 604009A5
- Authority
- CH
- Switzerland
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
- F04C2/165—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 having more than two rotary pistons with parallel axes
-
- 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)
- Rotary Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7503787A SE383774B (sv) | 1975-04-02 | 1975-04-02 | Skruvpump |
Publications (1)
Publication Number | Publication Date |
---|---|
CH604009A5 true CH604009A5 (xx) | 1978-08-31 |
Family
ID=20324149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH407276A CH604009A5 (xx) | 1975-04-02 | 1976-04-01 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4018549A (xx) |
JP (1) | JPS51122804A (xx) |
CH (1) | CH604009A5 (xx) |
DE (2) | DE7608435U1 (xx) |
SE (1) | SE383774B (xx) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3815158A1 (de) * | 1988-05-04 | 1989-11-16 | Allweiler Ag | Verfahren zur verringerung der druckpulsation einer verdraengerpumpe, insbesondere einer schraubenspindelpumpe und eine danach ausgefuehrte schraubenspindelpumpe |
JPH07111184B2 (ja) * | 1988-12-05 | 1995-11-29 | 株式会社荏原製作所 | スクリュ−圧縮機 |
US5123821A (en) * | 1990-03-08 | 1992-06-23 | Allweiler Ag | Screw spindle pump with a reduced pulsation effect |
FI104440B (fi) * | 1995-06-22 | 2000-01-31 | Kone Corp | Ruuvipumppu ja ruuvipumpun ruuvi |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3086474A (en) * | 1960-02-18 | 1963-04-23 | Laval Turbine | Screw pump |
US3181472A (en) * | 1963-07-10 | 1965-05-04 | Laval Turbine | Pumps or motors |
-
1975
- 1975-04-02 SE SE7503787A patent/SE383774B/xx not_active IP Right Cessation
-
1976
- 1976-03-19 DE DE7608435U patent/DE7608435U1/de not_active Expired
- 1976-03-19 DE DE19762611566 patent/DE2611566A1/de not_active Withdrawn
- 1976-03-29 US US05/671,486 patent/US4018549A/en not_active Expired - Lifetime
- 1976-03-31 JP JP51035913A patent/JPS51122804A/ja active Pending
- 1976-04-01 CH CH407276A patent/CH604009A5/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4018549A (en) | 1977-04-19 |
JPS51122804A (en) | 1976-10-27 |
DE2611566A1 (de) | 1976-10-14 |
DE7608435U1 (de) | 1976-07-15 |
SE383774B (sv) | 1976-03-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |