DE3335388C2 - - Google Patents

Info

Publication number
DE3335388C2
DE3335388C2 DE19833335388 DE3335388A DE3335388C2 DE 3335388 C2 DE3335388 C2 DE 3335388C2 DE 19833335388 DE19833335388 DE 19833335388 DE 3335388 A DE3335388 A DE 3335388A DE 3335388 C2 DE3335388 C2 DE 3335388C2
Authority
DE
Germany
Prior art keywords
vacuum pump
motor
motor housing
atmosphere
interior
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
DE19833335388
Other languages
German (de)
English (en)
Other versions
DE3335388A1 (de
Inventor
Akio Kanzaki Hyogo Jp Matsumoto
Mitsuyoshi Ibo Hyogo Jp Yokota
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE3335388A1 publication Critical patent/DE3335388A1/de
Application granted granted Critical
Publication of DE3335388C2 publication Critical patent/DE3335388C2/de
Granted 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressor (AREA)
DE19833335388 1982-10-09 1983-09-29 Motor-vakuumpumpengruppe Granted DE3335388A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15390082U JPS5958793U (ja) 1982-10-09 1982-10-09 電動機駆動式真空ポンプ

Publications (2)

Publication Number Publication Date
DE3335388A1 DE3335388A1 (de) 1984-04-19
DE3335388C2 true DE3335388C2 (enrdf_load_stackoverflow) 1988-07-28

Family

ID=15572558

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833335388 Granted DE3335388A1 (de) 1982-10-09 1983-09-29 Motor-vakuumpumpengruppe

Country Status (2)

Country Link
JP (1) JPS5958793U (enrdf_load_stackoverflow)
DE (1) DE3335388A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19539035C2 (de) * 1995-10-20 1997-11-20 Schunk Kohlenstofftechnik Gmbh Rotationsverdrängerkleinpumpe

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US975532A (en) * 1909-02-17 1910-11-15 Keller Mfg Company Motor suction-pump.

Also Published As

Publication number Publication date
JPS5958793U (ja) 1984-04-17
DE3335388A1 (de) 1984-04-19

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition