FR2565295B1 - Pompe a vide rotative etanchee dans l'huile - Google Patents

Pompe a vide rotative etanchee dans l'huile

Info

Publication number
FR2565295B1
FR2565295B1 FR8506855A FR8506855A FR2565295B1 FR 2565295 B1 FR2565295 B1 FR 2565295B1 FR 8506855 A FR8506855 A FR 8506855A FR 8506855 A FR8506855 A FR 8506855A FR 2565295 B1 FR2565295 B1 FR 2565295B1
Authority
FR
France
Prior art keywords
oil
vacuum pump
rotary vacuum
tight rotary
tight
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
FR8506855A
Other languages
English (en)
French (fr)
Other versions
FR2565295A1 (fr
Inventor
Ludwig Fabel
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.)
PFEIFFER VAKUUMTECHNIK
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
Publication of FR2565295A1 publication Critical patent/FR2565295A1/fr
Application granted granted Critical
Publication of FR2565295B1 publication Critical patent/FR2565295B1/fr
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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
    • F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
    • 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/008—Hermetic pumps
    • 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • F04C27/009—Shaft sealings specially adapted for pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/926—Seal including fluid pressure equalizing or balancing feature

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
FR8506855A 1984-05-30 1985-05-06 Pompe a vide rotative etanchee dans l'huile Expired FR2565295B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3420190A DE3420190A1 (de) 1984-05-30 1984-05-30 Oelgedichtete rotationsvakuumpumpe

Publications (2)

Publication Number Publication Date
FR2565295A1 FR2565295A1 (fr) 1985-12-06
FR2565295B1 true FR2565295B1 (fr) 1988-10-21

Family

ID=6237238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8506855A Expired FR2565295B1 (fr) 1984-05-30 1985-05-06 Pompe a vide rotative etanchee dans l'huile

Country Status (8)

Country Link
US (1) US4652214A (OSRAM)
JP (1) JPS614890A (OSRAM)
CH (1) CH667498A5 (OSRAM)
DE (1) DE3420190A1 (OSRAM)
FR (1) FR2565295B1 (OSRAM)
GB (1) GB2159581B (OSRAM)
IT (1) IT1183668B (OSRAM)
NL (1) NL8501163A (OSRAM)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2462804B (en) * 2008-08-04 2013-01-23 Edwards Ltd Vacuum pump
EP2729667B1 (de) * 2011-07-08 2017-06-07 Pierburg Pump Technology GmbH Vakuumpumpe zum einsatz im kraftfahrzeugbereich
US20140363319A1 (en) * 2013-06-07 2014-12-11 Agilent Technologies, Inc Rotary vane vacuum pump
JP6257543B2 (ja) 2015-02-23 2018-01-10 マブチモーター株式会社 逆転防止機構および減速機付モータ
CN107923491A (zh) * 2016-07-25 2018-04-17 马渊马达株式会社 防止逆转机构和带减速机的电机
US11905958B2 (en) * 2017-03-29 2024-02-20 Hong Wang Vacuuming device and vacuum apparatus
CN106704185B (zh) * 2017-03-29 2019-03-19 王鸿 抽真空装置及真空设备
DE102019106255B4 (de) * 2019-03-12 2025-05-08 Hanon Systems Efp Deutschland Gmbh Gerotorpumpe sowie Verwendung einer Gerotorpumpe zum Herstellen einesDruckausgleichs
DE102019118697A1 (de) * 2019-07-10 2021-01-14 Ipgate Ag Zahnradpumpe
DE102019118708A1 (de) * 2019-07-10 2021-01-14 Ipgate Ag Druckversorgungseinrichtung mit einer Zahnradpumpe
EP3650703B1 (de) * 2019-11-20 2021-09-22 Pfeiffer Vacuum Gmbh Vakuumpumpe und verfahren zur schmierung einer solchen

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE544963C (de) * 1932-02-24 Pfeiffer Arthur Wellenabdichtung fuer Vakuumpumpen, insbesondere mit Drehkolben
US1955958A (en) * 1932-08-22 1934-04-24 Us Radio & Television Corp Pump for refrigerating apparatus
US2418707A (en) * 1944-05-27 1947-04-08 Gen Electric Lubricant seal
US2902205A (en) * 1956-12-20 1959-09-01 Parker Refrigeration Dev Co Sealed refrigeration unit with auxiliary power pulley
US3237852A (en) * 1964-07-27 1966-03-01 Carrier Corp Hermetic motor compressor unit
US3311293A (en) * 1965-08-06 1967-03-28 Gast Mfg Corp Integral vacuum pump and air compressor
US3398694A (en) * 1966-08-11 1968-08-27 Marine Constr & Design Co Submersible pump device for net brailing
US3525578A (en) * 1968-11-29 1970-08-25 Precision Scient Co Vacuum pump
US3713513A (en) * 1971-06-10 1973-01-30 Fedders Corp Crankcase evacuation and oil return system
US3746472A (en) * 1971-08-06 1973-07-17 Rupp Co Warren Submersible electric pump having fluid pressure protective means
DE2354039A1 (de) * 1973-10-29 1975-05-07 Leybold Heraeus Gmbh & Co Kg Drehschieberpumpe
JPS514603A (OSRAM) * 1974-07-02 1976-01-14 Mabuchi Motor Co
DE2620375C2 (de) * 1976-05-08 1984-05-03 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar Drehschiebervakuumpumpe
DE2758120A1 (de) * 1977-12-24 1979-06-28 Pfeiffer Vakuumtechnik Oelfuehrung in einer drehschiebervakuumpumpe
EP0084540A4 (en) * 1981-07-17 1985-04-24 John Trevor Rice MOTOR-PUMP ASSEMBLY.
US4502842A (en) * 1983-02-02 1985-03-05 Colt Industries Operating Corp. Multiple compressor controller and method

Also Published As

Publication number Publication date
NL8501163A (nl) 1985-12-16
JPH0561473B2 (OSRAM) 1993-09-06
CH667498A5 (de) 1988-10-14
JPS614890A (ja) 1986-01-10
GB2159581B (en) 1988-03-09
GB8512426D0 (en) 1985-06-19
DE3420190A1 (de) 1985-12-05
US4652214A (en) 1987-03-24
IT1183668B (it) 1987-10-22
GB2159581A (en) 1985-12-04
FR2565295A1 (fr) 1985-12-06
IT8520862A0 (it) 1985-05-23

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Legal Events

Date Code Title Description
ST Notification of lapse