FR2450397B1 - - Google Patents
Info
- Publication number
- FR2450397B1 FR2450397B1 FR8004151A FR8004151A FR2450397B1 FR 2450397 B1 FR2450397 B1 FR 2450397B1 FR 8004151 A FR8004151 A FR 8004151A FR 8004151 A FR8004151 A FR 8004151A FR 2450397 B1 FR2450397 B1 FR 2450397B1
- Authority
- FR
- France
- 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
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/029—Stopping of pumps, or operating valves, on occurrence of unwanted conditions for pumps operating in parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/12—Combinations of two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/12—Combinations of two or more pumps
- F04D13/14—Combinations of two or more pumps the pumps being all of centrifugal type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
- F04D15/0016—Control, e.g. regulation, of pumps, pumping installations or systems by using valves mixing-reversing- or deviation valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Reciprocating Pumps (AREA)
- Mechanically-Actuated Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2908165A DE2908165C2 (de) | 1979-03-02 | 1979-03-02 | Umschaltklappe für ein Doppelpumpenaggregat |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2450397A1 FR2450397A1 (fr) | 1980-09-26 |
FR2450397B1 true FR2450397B1 (fr) | 1983-07-18 |
Family
ID=6064287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8004151A Granted FR2450397A1 (fr) | 1979-03-02 | 1980-02-26 | Clapet d'inversion pour un groupe de pompage forme de deux pompes |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT363322B (fr) |
DE (1) | DE2908165C2 (fr) |
FR (1) | FR2450397A1 (fr) |
GB (1) | GB2044406B (fr) |
IT (1) | IT1150086B (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1216319B (it) * | 1986-07-14 | 1990-02-22 | Ansaldo Spa | Valvola automatica servoassistita ad apertura rapida |
DE102015016086A1 (de) * | 2015-12-10 | 2017-06-29 | Wilo Se | Doppelpumpe |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE647978C (de) * | 1935-12-28 | 1937-07-17 | Polte Fa | Rueckschlagklappe |
DE852323C (de) * | 1951-05-26 | 1952-10-13 | Bopp & Reuther Gmbh | Rueckschlagklappe mit OElbremse |
DE1528649B2 (de) * | 1966-07-21 | 1973-06-14 | Loewe Pumpenfabnk GmbH, 3140 Lune bürg | Umschaltklappe fuer ein pumpenaggregat |
FR2075830A5 (fr) * | 1970-01-21 | 1971-10-08 | Radighieri Rino |
-
1979
- 1979-03-02 DE DE2908165A patent/DE2908165C2/de not_active Expired
-
1980
- 1980-02-19 AT AT0090880A patent/AT363322B/de not_active IP Right Cessation
- 1980-02-26 IT IT20200/80A patent/IT1150086B/it active
- 1980-02-26 FR FR8004151A patent/FR2450397A1/fr active Granted
- 1980-02-27 GB GB8006584A patent/GB2044406B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ATA90880A (de) | 1980-12-15 |
AT363322B (de) | 1981-07-27 |
DE2908165C2 (de) | 1980-08-07 |
GB2044406A (en) | 1980-10-15 |
FR2450397A1 (fr) | 1980-09-26 |
DE2908165B1 (de) | 1979-11-22 |
GB2044406B (en) | 1983-02-09 |
IT8020200A0 (it) | 1980-02-26 |
IT1150086B (it) | 1986-12-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |