JPS4825207A - - Google Patents

Info

Publication number
JPS4825207A
JPS4825207A JP7548772A JP7548772A JPS4825207A JP S4825207 A JPS4825207 A JP S4825207A JP 7548772 A JP7548772 A JP 7548772A JP 7548772 A JP7548772 A JP 7548772A JP S4825207 A JPS4825207 A JP S4825207A
Authority
JP
Japan
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.)
Pending
Application number
JP7548772A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4825207A publication Critical patent/JPS4825207A/ja
Pending 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
    • F04C23/005—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 of dissimilar working principle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D23/00—Other rotary non-positive-displacement pumps
    • F04D23/008—Regenerative pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
JP7548772A 1971-07-31 1972-07-27 Pending JPS4825207A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712138383 DE2138383A1 (de) 1971-07-31 1971-07-31 Pumpenaggregat zur mehrstufigen verdichtung von gasen

Publications (1)

Publication Number Publication Date
JPS4825207A true JPS4825207A (it) 1973-04-02

Family

ID=5815408

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7548772A Pending JPS4825207A (it) 1971-07-31 1972-07-27

Country Status (5)

Country Link
JP (1) JPS4825207A (it)
DE (1) DE2138383A1 (it)
FR (1) FR2149128A5 (it)
GB (1) GB1355727A (it)
IT (1) IT963477B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2430314C3 (de) * 1974-06-24 1982-11-25 Siemens AG, 1000 Berlin und 8000 München Flüssigkeitsring-Vakuumpumpe mit vorgeschaltetem Verdichter
FR2553835B1 (fr) * 1983-10-25 1986-02-28 Bertin & Cie Machine de compression d'un fluide, a plusieurs etages de compression en serie
DE8807064U1 (de) * 1988-05-30 1989-09-28 Siemens AG, 1000 Berlin und 8000 München Seitenkanalverdichter
WO1989012751A1 (fr) * 1988-06-24 1989-12-28 Siemens Aktiengesellschaft Agregat de pompe a vide a plusieurs etages
DE10108631B4 (de) * 2001-02-22 2005-06-30 Nash-Elmo Industries Gmbh Vakuumpumpenanlage und Verfahren zur Erzeugung eines Endvakuums
DE10134138A1 (de) * 2001-07-13 2003-02-06 Oranienburger Pumpen Verdichte Fluidmaschine mit zumindest zwei zusammengeschalteten Maschinen, insbesondere Verdichter, Gebläse, Pumpen u. dgl.
CN114458583B (zh) * 2020-11-09 2026-01-06 上海海立电器有限公司 一种滚动转子式及离心式复合压缩机

Also Published As

Publication number Publication date
FR2149128A5 (it) 1973-03-23
DE2138383A1 (de) 1973-02-08
IT963477B (it) 1974-01-10
GB1355727A (en) 1974-06-05

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