DD131487A1 - SHUT-OFF VALVE WITH AUTOMATIC VENTILATION DEVICE FOR VACUUM PUMPS - Google Patents

SHUT-OFF VALVE WITH AUTOMATIC VENTILATION DEVICE FOR VACUUM PUMPS

Info

Publication number
DD131487A1
DD131487A1 DD19967577A DD19967577A DD131487A1 DD 131487 A1 DD131487 A1 DD 131487A1 DD 19967577 A DD19967577 A DD 19967577A DD 19967577 A DD19967577 A DD 19967577A DD 131487 A1 DD131487 A1 DD 131487A1
Authority
DD
German Democratic Republic
Prior art keywords
shut
valve
ventilation device
vacuum pumps
automatic ventilation
Prior art date
Application number
DD19967577A
Other languages
German (de)
Inventor
Juergen Kaunert
Erich Herzog
Joerg Franke
Original Assignee
Juergen Kaunert
Erich Herzog
Joerg Franke
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 Juergen Kaunert, Erich Herzog, Joerg Franke filed Critical Juergen Kaunert
Priority to DD19967577A priority Critical patent/DD131487A1/en
Publication of DD131487A1 publication Critical patent/DD131487A1/en

Links

DD19967577A 1977-06-24 1977-06-24 SHUT-OFF VALVE WITH AUTOMATIC VENTILATION DEVICE FOR VACUUM PUMPS DD131487A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DD19967577A DD131487A1 (en) 1977-06-24 1977-06-24 SHUT-OFF VALVE WITH AUTOMATIC VENTILATION DEVICE FOR VACUUM PUMPS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD19967577A DD131487A1 (en) 1977-06-24 1977-06-24 SHUT-OFF VALVE WITH AUTOMATIC VENTILATION DEVICE FOR VACUUM PUMPS

Publications (1)

Publication Number Publication Date
DD131487A1 true DD131487A1 (en) 1978-06-28

Family

ID=5508866

Family Applications (1)

Application Number Title Priority Date Filing Date
DD19967577A DD131487A1 (en) 1977-06-24 1977-06-24 SHUT-OFF VALVE WITH AUTOMATIC VENTILATION DEVICE FOR VACUUM PUMPS

Country Status (1)

Country Link
DD (1) DD131487A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3436849A1 (en) * 1984-02-29 1985-08-29 Veb Kombinat Medizin- Und Labortechnik Leipzig, Ddr 7033 Leipzig Shut-off valve for vacuum pumps
EP0162434A2 (en) * 1984-05-21 1985-11-27 General Signal Corporation Antisuckback device for rotary piston pumps
EP0163228A2 (en) * 1984-05-21 1985-12-04 General Signal Corporation Inlet shut-off valve for rotary piston pumps

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3436849A1 (en) * 1984-02-29 1985-08-29 Veb Kombinat Medizin- Und Labortechnik Leipzig, Ddr 7033 Leipzig Shut-off valve for vacuum pumps
EP0162434A2 (en) * 1984-05-21 1985-11-27 General Signal Corporation Antisuckback device for rotary piston pumps
EP0163228A2 (en) * 1984-05-21 1985-12-04 General Signal Corporation Inlet shut-off valve for rotary piston pumps
EP0162434A3 (en) * 1984-05-21 1986-03-05 General Signal Corporation Antisuckback device for rotary piston pumps
EP0163228A3 (en) * 1984-05-21 1986-03-05 General Signal Corporation Inlet shut-off valve for rotary piston pumps

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