DE3937847C1 - - Google Patents

Info

Publication number
DE3937847C1
DE3937847C1 DE3937847A DE3937847A DE3937847C1 DE 3937847 C1 DE3937847 C1 DE 3937847C1 DE 3937847 A DE3937847 A DE 3937847A DE 3937847 A DE3937847 A DE 3937847A DE 3937847 C1 DE3937847 C1 DE 3937847C1
Authority
DE
Germany
Prior art keywords
valve
diaphragm pump
inlet
pump according
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 - Fee Related
Application number
DE3937847A
Other languages
German (de)
English (en)
Inventor
Harald Dr. 7000 Stuttgart De Schnepple
Gert 7250 Leonberg De Semler
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.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Priority to DE3937847A priority Critical patent/DE3937847C1/de
Priority to EP90120510A priority patent/EP0427988B1/de
Priority to AT90120510T priority patent/ATE84122T1/de
Priority to DE9090120510T priority patent/DE59000693D1/de
Application granted granted Critical
Publication of DE3937847C1 publication Critical patent/DE3937847C1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/1097—Valves; Arrangement of valves with means for lifting the closure member for pump cleaning purposes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • External Artificial Organs (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
DE3937847A 1989-11-14 1989-11-14 Expired - Fee Related DE3937847C1 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE3937847A DE3937847C1 (zh) 1989-11-14 1989-11-14
EP90120510A EP0427988B1 (de) 1989-11-14 1990-10-25 Membranpumpe
AT90120510T ATE84122T1 (de) 1989-11-14 1990-10-25 Membranpumpe.
DE9090120510T DE59000693D1 (de) 1989-11-14 1990-10-25 Membranpumpe.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3937847A DE3937847C1 (zh) 1989-11-14 1989-11-14

Publications (1)

Publication Number Publication Date
DE3937847C1 true DE3937847C1 (zh) 1991-02-28

Family

ID=6393496

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3937847A Expired - Fee Related DE3937847C1 (zh) 1989-11-14 1989-11-14
DE9090120510T Expired - Fee Related DE59000693D1 (de) 1989-11-14 1990-10-25 Membranpumpe.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE9090120510T Expired - Fee Related DE59000693D1 (de) 1989-11-14 1990-10-25 Membranpumpe.

Country Status (3)

Country Link
EP (1) EP0427988B1 (zh)
AT (1) ATE84122T1 (zh)
DE (2) DE3937847C1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE504043C2 (sv) * 1995-02-06 1996-10-21 Carl Goeran Hellstroem Kolvpump samt backventilarrangemang för en dylik kolvpump
US7175397B2 (en) * 2002-09-27 2007-02-13 Pulsafeeder, Inc. Effervescent gas bleeder apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802807A (en) * 1972-06-02 1974-04-09 Precision Control Prod Corp Pump
DE2814086B1 (de) * 1978-04-01 1979-05-23 Milch Union Oberbayern Gmbh Dosierpumpe fuer Milch u.dgl.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3181474A (en) * 1962-06-04 1965-05-04 Union Pump Co Dismountable pressure pump
US3819303A (en) * 1973-06-13 1974-06-25 Ecodyne Corp Relief-release pumps
GB2192673A (en) * 1986-06-02 1988-01-20 Thomas Leslie Seaborne Improved diaphragm milk pump

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802807A (en) * 1972-06-02 1974-04-09 Precision Control Prod Corp Pump
DE2814086B1 (de) * 1978-04-01 1979-05-23 Milch Union Oberbayern Gmbh Dosierpumpe fuer Milch u.dgl.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BERDELLE-HILGE, Ph.: Reinigbare Pumpen, In: car, 1989, H. 3, S. 125, 127 *

Also Published As

Publication number Publication date
ATE84122T1 (de) 1993-01-15
EP0427988A1 (de) 1991-05-22
EP0427988B1 (de) 1992-12-30
DE59000693D1 (de) 1993-02-11

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Legal Events

Date Code Title Description
8100 Publication of patent without earlier publication of application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee