CH676738A5 - Flexible diaphragm for rotary piston pump - has thick rim section with bends and annular, intermediate - Google Patents

Flexible diaphragm for rotary piston pump - has thick rim section with bends and annular, intermediate Download PDF

Info

Publication number
CH676738A5
CH676738A5 CH39689A CH39689A CH676738A5 CH 676738 A5 CH676738 A5 CH 676738A5 CH 39689 A CH39689 A CH 39689A CH 39689 A CH39689 A CH 39689A CH 676738 A5 CH676738 A5 CH 676738A5
Authority
CH
Switzerland
Prior art keywords
membrane
intermediate region
annular intermediate
annular
bead
Prior art date
Application number
CH39689A
Other languages
German (de)
English (en)
Inventor
Franz Josef Schreckenberg
Original Assignee
Hella Kg Hueck & Co
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 Hella Kg Hueck & Co filed Critical Hella Kg Hueck & Co
Publication of CH676738A5 publication Critical patent/CH676738A5/de

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
    • F04D15/0005—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
CH39689A 1988-04-28 1989-02-03 Flexible diaphragm for rotary piston pump - has thick rim section with bends and annular, intermediate CH676738A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8805639U DE8805639U1 (ja) 1988-04-28 1988-04-28

Publications (1)

Publication Number Publication Date
CH676738A5 true CH676738A5 (en) 1991-02-28

Family

ID=6823486

Family Applications (1)

Application Number Title Priority Date Filing Date
CH39689A CH676738A5 (en) 1988-04-28 1989-02-03 Flexible diaphragm for rotary piston pump - has thick rim section with bends and annular, intermediate

Country Status (2)

Country Link
CH (1) CH676738A5 (ja)
DE (1) DE8805639U1 (ja)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140727A (en) * 1961-12-26 1964-07-14 Gen Electric Pilot controlled valve
US3447775A (en) * 1965-03-25 1969-06-03 Robertshaw Controls Co Diaphragm valve control
GB1519336A (en) * 1974-10-17 1978-07-26 Hansen A F Diaphragm valve assemblies
GB1505097A (en) * 1975-11-15 1978-03-22 Fordham Pressings Ltd Valves
DE2628238A1 (de) * 1976-06-24 1978-01-05 Gerhard Dr Ing Kunz Ventil zum aufrechterhalten von gegendruecken in von medien durchstroemten leitungen
DD224383A1 (de) * 1983-07-26 1985-07-03 Dessau Gas & Elektrogeraete Membranventil
DE3612388C2 (de) * 1986-04-12 1994-06-16 Vdo Schindling Drehkolbenpumpe

Also Published As

Publication number Publication date
DE8805639U1 (ja) 1988-06-16

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