GB2044406B - Change-over valve - Google Patents

Change-over valve

Info

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
Application number
GB8006584A
Other versions
GB2044406A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Klein Schanzlin and Becker AG
Original Assignee
Klein Schanzlin and Becker AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Klein Schanzlin and Becker AG filed Critical Klein Schanzlin and Becker AG
Publication of GB2044406A publication Critical patent/GB2044406A/en
Application granted granted Critical
Publication of GB2044406B publication Critical patent/GB2044406B/en
Expired legal-status Critical Current

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)
GB8006584A 1979-03-02 1980-02-27 Change-over valve Expired GB2044406B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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