GB2044406B - Change-over valve - Google Patents
Change-over valveInfo
- Publication number
- GB2044406B GB2044406B GB8006584A GB8006584A GB2044406B GB 2044406 B GB2044406 B GB 2044406B GB 8006584 A GB8006584 A GB 8006584A GB 8006584 A GB8006584 A GB 8006584A GB 2044406 B GB2044406 B GB 2044406B
- Authority
- GB
- United Kingdom
- Prior art keywords
- change
- over valve
- valve
- over
- 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
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)
- Mechanically-Actuated Valves (AREA)
- Reciprocating Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2908165A DE2908165C2 (en) | 1979-03-02 | 1979-03-02 | Changeover flap for a double pump unit |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2044406A GB2044406A (en) | 1980-10-15 |
GB2044406B true GB2044406B (en) | 1983-02-09 |
Family
ID=6064287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8006584A Expired GB2044406B (en) | 1979-03-02 | 1980-02-27 | Change-over valve |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT363322B (en) |
DE (1) | DE2908165C2 (en) |
FR (1) | FR2450397A1 (en) |
GB (1) | GB2044406B (en) |
IT (1) | IT1150086B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1216319B (en) * | 1986-07-14 | 1990-02-22 | Ansaldo Spa | AUTOMATIC SERVO-ASSISTED VALVE WITH QUICK OPENING |
DE102015016086A1 (en) * | 2015-12-10 | 2017-06-29 | Wilo Se | double pump |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE647978C (en) * | 1935-12-28 | 1937-07-17 | Polte Fa | Check valve |
DE852323C (en) * | 1951-05-26 | 1952-10-13 | Bopp & Reuther Gmbh | Non-return flap with oil brake |
DE1528649B2 (en) * | 1966-07-21 | 1973-06-14 | Loewe Pumpenfabnk GmbH, 3140 Lune bürg | SWITCH-OVER FLAP FOR A PUMP UNIT |
FR2075830A5 (en) * | 1970-01-21 | 1971-10-08 | Radighieri Rino |
-
1979
- 1979-03-02 DE DE2908165A patent/DE2908165C2/en not_active Expired
-
1980
- 1980-02-19 AT AT0090880A patent/AT363322B/en not_active IP Right Cessation
- 1980-02-26 IT IT20200/80A patent/IT1150086B/en active
- 1980-02-26 FR FR8004151A patent/FR2450397A1/en active Granted
- 1980-02-27 GB GB8006584A patent/GB2044406B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ATA90880A (en) | 1980-12-15 |
AT363322B (en) | 1981-07-27 |
DE2908165C2 (en) | 1980-08-07 |
GB2044406A (en) | 1980-10-15 |
FR2450397A1 (en) | 1980-09-26 |
DE2908165B1 (en) | 1979-11-22 |
IT8020200A0 (en) | 1980-02-26 |
FR2450397B1 (en) | 1983-07-18 |
IT1150086B (en) | 1986-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19940227 |