IT1043749B - VACUUM PUMP WITH BUILT-IN INTERCEPTION VALVE - Google Patents

VACUUM PUMP WITH BUILT-IN INTERCEPTION VALVE

Info

Publication number
IT1043749B
IT1043749B IT2881575A IT2881575A IT1043749B IT 1043749 B IT1043749 B IT 1043749B IT 2881575 A IT2881575 A IT 2881575A IT 2881575 A IT2881575 A IT 2881575A IT 1043749 B IT1043749 B IT 1043749B
Authority
IT
Italy
Prior art keywords
built
vacuum pump
interception valve
interception
valve
Prior art date
Application number
IT2881575A
Other languages
Italian (it)
Original Assignee
Pfeiffer Vakuumtechnik
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 Pfeiffer Vakuumtechnik filed Critical Pfeiffer Vakuumtechnik
Application granted granted Critical
Publication of IT1043749B publication Critical patent/IT1043749B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
IT2881575A 1974-10-31 1975-10-30 VACUUM PUMP WITH BUILT-IN INTERCEPTION VALVE IT1043749B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742451685 DE2451685A1 (en) 1974-10-31 1974-10-31 VACUUM PUMP WITH BUILT-IN SHUT-OFF VALVE

Publications (1)

Publication Number Publication Date
IT1043749B true IT1043749B (en) 1980-02-29

Family

ID=5929655

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2881575A IT1043749B (en) 1974-10-31 1975-10-30 VACUUM PUMP WITH BUILT-IN INTERCEPTION VALVE

Country Status (5)

Country Link
JP (2) JPS5166512A (en)
DE (1) DE2451685A1 (en)
FR (1) FR2289773A1 (en)
GB (1) GB1481748A (en)
IT (1) IT1043749B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2946263A1 (en) * 1979-11-16 1981-05-27 Audi Nsu Auto Union Ag, 7107 Neckarsulm Pressure control for vacuum servo pump - has pressure limiter on suction line to allow pump to idle when servo not used
DE3340198A1 (en) * 1983-11-07 1985-05-15 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar Oil-sealed sliding-vane rotary vacuum pump with drive motor in a housing
DD221508B3 (en) * 1984-02-29 1992-12-24 Zwetko Zwetkow BREAKING VALVE FOR VACUUM PUMPS
JPS60249691A (en) * 1984-05-21 1985-12-10 ゼネラル　シグナル　コーポレーシヨン Rotary piston vacuum pump
CN112516393B (en) * 2020-12-01 2022-06-14 中国人民解放军陆军军医大学第一附属医院 Anti-reflux drainage device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR833740A (en) * 1937-02-16 1938-10-28 Demag Ag Method and device for preventing the reversing of rotary compressors in the event of an unplanned stop, and arrangement for achieving unloaded compressor starting and stopping
DE764179C (en) * 1938-12-28 1953-04-27 Klein Compressor system with pressure control
FR873949A (en) * 1940-06-13 1942-07-23 Klein Compression plant
GB1195361A (en) * 1966-03-28 1970-06-17 N G N Ltd Improvements in and relating to Vacuum Pumping apparatus including a Rotary Vacuum Pump

Also Published As

Publication number Publication date
GB1481748A (en) 1977-08-03
JPS59130084U (en) 1984-08-31
DE2451685A1 (en) 1976-05-06
FR2289773A1 (en) 1976-05-28
JPS5166512A (en) 1976-06-09
FR2289773B1 (en) 1981-12-31

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