FR2149128A5 - - Google Patents

Info

Publication number
FR2149128A5
FR2149128A5 FR7227172A FR7227172A FR2149128A5 FR 2149128 A5 FR2149128 A5 FR 2149128A5 FR 7227172 A FR7227172 A FR 7227172A FR 7227172 A FR7227172 A FR 7227172A FR 2149128 A5 FR2149128 A5 FR 2149128A5
Authority
FR
France
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
FR7227172A
Other languages
French (fr)
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.)
Siemens Corp
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Application granted granted Critical
Publication of FR2149128A5 publication Critical patent/FR2149128A5/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
    • 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)
FR7227172A 1971-07-31 1972-07-27 Expired FR2149128A5 (en:Method)

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
FR2149128A5 true FR2149128A5 (en:Method) 1973-03-23

Family

ID=5815408

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7227172A Expired FR2149128A5 (en:Method) 1971-07-31 1972-07-27

Country Status (5)

Country Link
JP (1) JPS4825207A (en:Method)
DE (1) DE2138383A1 (en:Method)
FR (1) FR2149128A5 (en:Method)
GB (1) GB1355727A (en:Method)
IT (1) IT963477B (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553835A1 (fr) * 1983-10-25 1985-04-26 Bertin & Cie Machine de compression d'un fluide, a plusieurs etages de compression en serie

Families Citing this family (6)

* 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
DE8807064U1 (de) * 1988-05-30 1989-09-28 Siemens AG, 1000 Berlin und 8000 München Seitenkanalverdichter
US5244352A (en) * 1988-06-24 1993-09-14 Siemens Aktiengesellschaft Multi-stage vacuum pump installation
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.
CN114458583A (zh) * 2020-11-09 2022-05-10 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553835A1 (fr) * 1983-10-25 1985-04-26 Bertin & Cie Machine de compression d'un fluide, a plusieurs etages de compression en serie
EP0143684A1 (fr) * 1983-10-25 1985-06-05 Bertin & Cie Machine de compression d'un fluide, à plusieurs étages de compression en série

Also Published As

Publication number Publication date
GB1355727A (en) 1974-06-05
JPS4825207A (en:Method) 1973-04-02
DE2138383A1 (de) 1973-02-08
IT963477B (it) 1974-01-10

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Legal Events

Date Code Title Description
ST Notification of lapse