AU762304B2 - Pump for generating pressure or negative pressure - Google Patents

Pump for generating pressure or negative pressure Download PDF

Info

Publication number
AU762304B2
AU762304B2 AU39635/00A AU3963500A AU762304B2 AU 762304 B2 AU762304 B2 AU 762304B2 AU 39635/00 A AU39635/00 A AU 39635/00A AU 3963500 A AU3963500 A AU 3963500A AU 762304 B2 AU762304 B2 AU 762304B2
Authority
AU
Australia
Prior art keywords
housing cover
pump
pressure port
pump according
rotors
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.)
Ceased
Application number
AU39635/00A
Other languages
English (en)
Other versions
AU3963500A (en
Inventor
Fritz-Martin Scholz
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.)
Werner Rietschle GmbH and Co KG
Original Assignee
Rietschle Werner GmbH and Co KG
Werner Rietschle GmbH and Co KG
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 Rietschle Werner GmbH and Co KG, Werner Rietschle GmbH and Co KG filed Critical Rietschle Werner GmbH and Co KG
Publication of AU3963500A publication Critical patent/AU3963500A/en
Application granted granted Critical
Publication of AU762304B2 publication Critical patent/AU762304B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-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
    • F04C18/12—Rotary-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
    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/086—Carter
    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps 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
    • F04C2/16—Rotary-piston machines or pumps 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
    • 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
    • F04C2220/00—Application
    • F04C2220/10—Vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Saccharide Compounds (AREA)
AU39635/00A 1999-03-22 2000-03-22 Pump for generating pressure or negative pressure Ceased AU762304B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29905249 1999-03-22
DE29905249U DE29905249U1 (de) 1999-03-22 1999-03-22 Pumpe zur Erzeugung von Druck und Unterdruck
PCT/EP2000/002536 WO2000057062A1 (de) 1999-03-22 2000-03-22 Pumpe zur erzeugung von druck oder unterdruck

Publications (2)

Publication Number Publication Date
AU3963500A AU3963500A (en) 2000-10-09
AU762304B2 true AU762304B2 (en) 2003-06-19

Family

ID=8071227

Family Applications (1)

Application Number Title Priority Date Filing Date
AU39635/00A Ceased AU762304B2 (en) 1999-03-22 2000-03-22 Pump for generating pressure or negative pressure

Country Status (9)

Country Link
EP (1) EP1163450B1 (ko)
JP (1) JP2002540346A (ko)
KR (1) KR100681804B1 (ko)
CN (1) CN1324239C (ko)
AT (1) ATE260412T1 (ko)
AU (1) AU762304B2 (ko)
DE (2) DE29905249U1 (ko)
HK (1) HK1048844A1 (ko)
WO (1) WO2000057062A1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20216504U1 (de) * 2002-10-25 2003-03-06 Rietschle Werner Gmbh & Co Kg Verdrängermaschine mit gegensinnig laufenden Rotoren
KR100651669B1 (ko) * 2004-12-28 2006-12-05 이기춘 다단식 피스톤 펌프

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057375A (en) * 1976-10-22 1977-11-08 Nachtrieb Paul W Pump structure
GB2139287A (en) * 1983-05-05 1984-11-07 Dana Corp Gear-type rotary hydraulic machine
EP0389838A2 (en) * 1989-03-30 1990-10-03 Inoxpa, S.A. Housing for rotary pump

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3161646D1 (en) * 1980-09-05 1984-01-19 British Nuclear Fuels Plc Pump for heavy gases
GB2101687B (en) * 1981-07-15 1984-08-30 British Oxygen Co Ltd Rotary pumping apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057375A (en) * 1976-10-22 1977-11-08 Nachtrieb Paul W Pump structure
GB2139287A (en) * 1983-05-05 1984-11-07 Dana Corp Gear-type rotary hydraulic machine
EP0389838A2 (en) * 1989-03-30 1990-10-03 Inoxpa, S.A. Housing for rotary pump

Also Published As

Publication number Publication date
AU3963500A (en) 2000-10-09
ATE260412T1 (de) 2004-03-15
EP1163450B1 (de) 2004-02-25
KR100681804B1 (ko) 2007-02-15
JP2002540346A (ja) 2002-11-26
DE50005415D1 (de) 2004-04-01
KR20020019892A (ko) 2002-03-13
DE29905249U1 (de) 1999-12-30
WO2000057062B1 (de) 2000-12-07
EP1163450A1 (de) 2001-12-19
CN1365432A (zh) 2002-08-21
WO2000057062A1 (de) 2000-09-28
CN1324239C (zh) 2007-07-04
HK1048844A1 (en) 2003-04-17

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase
FGA Letters patent sealed or granted (standard patent)