IT954721B - POLI-STAGE MACHINE WITH HELICAL ROTORS FOR THE COMPRESSION AND EXPANSION OF A WORKING FLUID - Google Patents

POLI-STAGE MACHINE WITH HELICAL ROTORS FOR THE COMPRESSION AND EXPANSION OF A WORKING FLUID

Info

Publication number
IT954721B
IT954721B IT6823572A IT6823572A IT954721B IT 954721 B IT954721 B IT 954721B IT 6823572 A IT6823572 A IT 6823572A IT 6823572 A IT6823572 A IT 6823572A IT 954721 B IT954721 B IT 954721B
Authority
IT
Italy
Prior art keywords
poli
expansion
compression
working fluid
stage machine
Prior art date
Application number
IT6823572A
Other languages
Italian (it)
Original Assignee
Aerzener Maschf Gmbh
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 Aerzener Maschf Gmbh filed Critical Aerzener Maschf Gmbh
Application granted granted Critical
Publication of IT954721B publication Critical patent/IT954721B/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/14Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C18/16Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00Combinations 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
    • F04C23/001Combinations 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 similar working principle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
IT6823572A 1971-04-21 1972-04-20 POLI-STAGE MACHINE WITH HELICAL ROTORS FOR THE COMPRESSION AND EXPANSION OF A WORKING FLUID IT954721B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712119475 DE2119475C3 (en) 1971-04-21 1971-04-21 Multi-stage parallel and external-axis rotary piston machine in tandem arrangement

Publications (1)

Publication Number Publication Date
IT954721B true IT954721B (en) 1973-09-15

Family

ID=5805442

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6823572A IT954721B (en) 1971-04-21 1972-04-20 POLI-STAGE MACHINE WITH HELICAL ROTORS FOR THE COMPRESSION AND EXPANSION OF A WORKING FLUID

Country Status (6)

Country Link
BE (1) BE782461A (en)
DE (1) DE2119475C3 (en)
FR (1) FR2136544A5 (en)
GB (1) GB1378539A (en)
IT (1) IT954721B (en)
SE (1) SE383021B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2034012B (en) * 1978-10-25 1983-02-09 Thermo Electron Corp Method and apparatus for producing process steam
JPH07101037B2 (en) * 1990-05-25 1995-11-01 株式会社荏原製作所 Multi-stage screw type fluid machine
DE19945871A1 (en) * 1999-09-24 2001-03-29 Leybold Vakuum Gmbh Screw pump, in particular screw vacuum pump, with two pump stages
DE102014017075B4 (en) 2014-11-20 2017-11-02 Itt Bornemann Gmbh Device for conveying a medium
CN104776025B (en) * 2015-04-24 2019-02-01 福建雪人股份有限公司 Multiscrew compressor
BE1026106B1 (en) * 2017-08-28 2019-10-16 Atlas Copco Airpower Naamloze Vennootschap Screw compressor
CN112727769A (en) * 2020-12-15 2021-04-30 董长艳 Intelligent control high-power gas air compressor

Also Published As

Publication number Publication date
DE2119475A1 (en) 1972-11-02
BE782461A (en) 1972-08-16
FR2136544A5 (en) 1972-12-22
SE383021B (en) 1976-02-23
DE2119475C3 (en) 1979-02-08
DE2119475B2 (en) 1974-02-28
GB1378539A (en) 1974-12-27

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