DE3861857D1 - PUMP. - Google Patents
PUMP.Info
- Publication number
- DE3861857D1 DE3861857D1 DE8888905368T DE3861857T DE3861857D1 DE 3861857 D1 DE3861857 D1 DE 3861857D1 DE 8888905368 T DE8888905368 T DE 8888905368T DE 3861857 T DE3861857 T DE 3861857T DE 3861857 D1 DE3861857 D1 DE 3861857D1
- Authority
- DE
- Germany
- Prior art keywords
- pump
- 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 - Lifetime
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
-
- 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
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/084—Toothed wheels
-
- 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
- F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
- F01C1/12—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type
- F01C1/126—Rotary-piston machines or engines 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 elements extending radially from the rotor body not necessarily cooperating with corresponding recesses in the other rotor, e.g. lobes, Roots type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8888905368T DE3861857D1 (en) | 1987-06-05 | 1988-06-04 | PUMP. |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873718866 DE3718866A1 (en) | 1987-06-05 | 1987-06-05 | PUMP |
DE8888905368T DE3861857D1 (en) | 1987-06-05 | 1988-06-04 | PUMP. |
PCT/EP1988/000498 WO1988009877A1 (en) | 1987-06-05 | 1988-06-04 | Pump |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3861857D1 true DE3861857D1 (en) | 1991-04-04 |
Family
ID=6329129
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873718866 Withdrawn DE3718866A1 (en) | 1987-06-05 | 1987-06-05 | PUMP |
DE8888905368T Expired - Lifetime DE3861857D1 (en) | 1987-06-05 | 1988-06-04 | PUMP. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873718866 Withdrawn DE3718866A1 (en) | 1987-06-05 | 1987-06-05 | PUMP |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0363420B2 (en) |
DE (2) | DE3718866A1 (en) |
WO (1) | WO1988009877A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4121684C2 (en) * | 1991-06-29 | 1999-04-01 | Herold & Co Gmbh | pump |
DE102006041633A1 (en) | 2006-09-05 | 2008-03-13 | Herold & Co. Gmbh | pump |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1142734A (en) * | 1913-04-30 | 1915-06-08 | Charles W Sidwell | Pump. |
GB382953A (en) | 1930-06-11 | 1932-11-10 | Commercial Patents Inc | Fluid apparatus provided with co-operating rotary pistons |
FR718487A (en) * | 1930-06-11 | 1932-01-25 | Commercial Patents Inc | Multiple rotary piston hydraulic pump or motor acting simultaneously |
US2982221A (en) * | 1958-07-02 | 1961-05-02 | Joseph E Whitfield | Gear pump |
DE3502839A1 (en) | 1985-01-29 | 1986-07-31 | Bsa Maschinenfabrik Paul G. Langer Gmbh, 8581 Marktschorgast | Pump |
-
1987
- 1987-06-05 DE DE19873718866 patent/DE3718866A1/en not_active Withdrawn
-
1988
- 1988-06-04 EP EP88905368A patent/EP0363420B2/en not_active Expired - Lifetime
- 1988-06-04 WO PCT/EP1988/000498 patent/WO1988009877A1/en active IP Right Grant
- 1988-06-04 DE DE8888905368T patent/DE3861857D1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3718866A1 (en) | 1988-12-22 |
EP0363420B2 (en) | 1996-02-07 |
WO1988009877A1 (en) | 1988-12-15 |
EP0363420B1 (en) | 1991-02-27 |
EP0363420A1 (en) | 1990-04-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: HEROLD & CO GMBH, 95482 GEFREES, DE |
|
8366 | Restricted maintained after opposition proceedings |