IT9020790A0 - - Google Patents

Info

Publication number
IT9020790A0
IT9020790A0 IT9020790A IT2079090A IT9020790A0 IT 9020790 A0 IT9020790 A0 IT 9020790A0 IT 9020790 A IT9020790 A IT 9020790A IT 2079090 A IT2079090 A IT 2079090A IT 9020790 A0 IT9020790 A0 IT 9020790A0
Authority
IT
Italy
Application number
IT9020790A
Other versions
IT9020790A1 (it
IT1249010B (it
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 IT9020790A0 publication Critical patent/IT9020790A0/it
Publication of IT9020790A1 publication Critical patent/IT9020790A1/it
Application granted granted Critical
Publication of IT1249010B publication Critical patent/IT1249010B/it

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01CROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/08Rotary pistons
    • 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
    • F04C18/30Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C18/3441Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • 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
    • F04C2220/00Application
    • F04C2220/10Vacuum
    • 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
    • F04C2230/00Manufacture
    • F04C2230/20Manufacture essentially without removing material
    • F04C2230/22Manufacture essentially without removing material by sintering

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Medicines Containing Plant Substances (AREA)
IT02079090A 1989-07-07 1990-06-27 Pompa per vuoto ad alette e celle IT1249010B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3922407 1989-07-07

Publications (3)

Publication Number Publication Date
IT9020790A0 true IT9020790A0 (it) 1990-06-27
IT9020790A1 IT9020790A1 (it) 1991-12-27
IT1249010B IT1249010B (it) 1995-02-11

Family

ID=6384517

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02079090A IT1249010B (it) 1989-07-07 1990-06-27 Pompa per vuoto ad alette e celle

Country Status (3)

Country Link
DE (1) DE4020082C2 (it)
FR (1) FR2649449A1 (it)
IT (1) IT1249010B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19500542B4 (de) * 1995-01-11 2004-02-12 Pierburg Gmbh Drehkolbenpumpe
EP1616099B1 (de) * 2003-06-30 2007-08-08 Mahle Motorkomponenten Schweiz AG Rotor aus sintermetall einer drehkolbenpumpe
DE102004034925B3 (de) * 2004-07-09 2006-02-16 Joma-Hydromechanic Gmbh Einflügelvakuumpumpe
CN108474379B (zh) * 2016-03-10 2020-10-30 威伯科欧洲有限责任公司 双叶片旋转真空泵
CN110662903B (zh) * 2017-05-25 2021-12-03 南洋理工大学 旋转叶片装置
CN111456846A (zh) * 2020-03-10 2020-07-28 魏善兆 一种流体发动机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3131442A1 (de) * 1981-08-07 1983-02-24 Mitsubishi Electric Corp Pumpe
DE3507176A1 (de) * 1984-04-09 1985-10-31 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Fluegelzellenpumpe
JPS61152987A (ja) * 1984-12-26 1986-07-11 Nippon Piston Ring Co Ltd 回転式流体ポンプ用ロ−タの製造方法
DD235694A1 (de) * 1985-03-29 1986-05-14 Fortschr Land Maschinen Veb An Rotor fuer zellenverdichter in leichtbauweise
DE3663720D1 (en) * 1985-06-13 1989-07-06 Barmag Barmer Maschf Rotary vane pump
DD299483A7 (de) * 1989-06-22 1992-04-23 Zwetkow,Zwetko,Bg Rotor fuer vakuumpumpen und verdichter

Also Published As

Publication number Publication date
IT9020790A1 (it) 1991-12-27
DE4020082A1 (de) 1991-01-17
FR2649449A1 (fr) 1991-01-11
DE4020082C2 (de) 1998-09-03
IT1249010B (it) 1995-02-11

Similar Documents

Publication Publication Date Title
DE4091550T (it)
DE8901222U1 (it)
DE8903297U1 (it)
DE8900577U1 (it)
IT9020790A0 (it)
DE8900709U1 (it)
DE8900696U1 (it)
DE8901279U1 (it)
DE4090078T (it)
DE8902226U1 (it)
DE8900667U1 (it)
DE8900198U1 (it)
DE8902395U1 (it)
DE8900807U1 (it)
DE8902937U1 (it)
DE8902888U1 (it)
DE8903261U1 (it)
DE8903661U1 (it)
DE8903217U1 (it)
DE8903033U1 (it)
DE8902058U1 (it)
DE8903330U1 (it)
DE8903345U1 (it)
DE8900514U1 (it)
DE8900087U1 (it)

Legal Events

Date Code Title Description
0001 Granted