ATE248993T1 - Trockenverdichtende schraubenspindelpumpe - Google Patents

Trockenverdichtende schraubenspindelpumpe

Info

Publication number
ATE248993T1
ATE248993T1 AT99941399T AT99941399T ATE248993T1 AT E248993 T1 ATE248993 T1 AT E248993T1 AT 99941399 T AT99941399 T AT 99941399T AT 99941399 T AT99941399 T AT 99941399T AT E248993 T1 ATE248993 T1 AT E248993T1
Authority
AT
Austria
Prior art keywords
front face
cooling medium
rotor
spindles
compressing screw
Prior art date
Application number
AT99941399T
Other languages
English (en)
Inventor
Ralf Steffens
Original Assignee
Ralf Steffens
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 Ralf Steffens filed Critical Ralf Steffens
Application granted granted Critical
Publication of ATE248993T1 publication Critical patent/ATE248993T1/de

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
    • F04C18/14—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 with toothed rotary pistons
    • F04C18/16—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 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
    • 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
    • F04C18/082—Details specially related to intermeshing engagement type pumps
    • F04C18/084—Toothed wheels
    • 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • F04C27/009—Shaft sealings specially adapted for pumps
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/025—Lubrication; Lubricant separation using a lubricant pump
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Refuse Collection And Transfer (AREA)
  • Glass Compositions (AREA)
  • Jet Pumps And Other Pumps (AREA)
AT99941399T 1998-08-29 1999-06-29 Trockenverdichtende schraubenspindelpumpe ATE248993T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19839501A DE19839501A1 (de) 1998-08-29 1998-08-29 Trockenverdichtende Schraubenspindelpumpe
PCT/DE1999/001879 WO2000012899A1 (de) 1998-08-29 1999-06-29 Trockenverdichtende schraubenspindelpumpe

Publications (1)

Publication Number Publication Date
ATE248993T1 true ATE248993T1 (de) 2003-09-15

Family

ID=7879229

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99941399T ATE248993T1 (de) 1998-08-29 1999-06-29 Trockenverdichtende schraubenspindelpumpe

Country Status (10)

Country Link
US (1) US6497563B1 (de)
EP (1) EP1108143B1 (de)
JP (1) JP2002523684A (de)
KR (1) KR100682586B1 (de)
AT (1) ATE248993T1 (de)
AU (1) AU4902799A (de)
CA (1) CA2327080A1 (de)
DE (2) DE19839501A1 (de)
ES (1) ES2207965T3 (de)
WO (2) WO2000012899A1 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10004373B4 (de) * 2000-02-02 2007-12-20 Steffens, Ralf, Dr. Ing. Trockenverdichtende Schraubenpumpe
DE10039006A1 (de) 2000-08-10 2002-02-21 Leybold Vakuum Gmbh Zweiwellenvakuumpumpe
DE10046768B4 (de) * 2000-09-21 2011-08-11 Leybold Vakuum GmbH, 50968 Schraubenvakuumpumpe mit Bypass-Ventil
DE10111525A1 (de) * 2001-03-09 2002-09-12 Leybold Vakuum Gmbh Schraubenvakuumpumpe mit Rotoreinlauf und Rotorauslauf
DE10129340A1 (de) * 2001-06-19 2003-01-02 Ralf Steffens Trockenverdichtende Spindelpumpe
DE20302989U1 (de) * 2003-02-24 2004-07-08 Werner Rietschle Gmbh + Co. Kg Drehkolbenpumpe
US7931771B2 (en) * 2003-04-02 2011-04-26 Panasonic Corporation Method of manufacturing plasma display device
US20080121497A1 (en) * 2006-11-27 2008-05-29 Christopher Esterson Heated/cool screw conveyor
US7934871B2 (en) * 2007-03-12 2011-05-03 Jtekt Corporation Double row ball bearing
DE102008019449A1 (de) 2007-04-18 2008-10-23 Alfavac Gmbh Lagerung für eine Schraubenspindelpumpe
EP2313657A1 (de) 2008-07-18 2011-04-27 Ralf Steffens Kühlung einer schraubenspindelpumpe
US8113183B2 (en) * 2008-07-24 2012-02-14 GM Global Technology Operations LLC Engine and supercharger with liquid cooled housings
DE102009017886A1 (de) * 2009-04-17 2010-10-21 Oerlikon Leybold Vacuum Gmbh Schraubenvakuumpumpe
WO2011023513A2 (de) 2009-08-31 2011-03-03 Ralf Steffens Verdrängerpumpe mit innerer verdichtung
DE102010064388A1 (de) 2010-02-18 2011-08-18 Steffens, Ralf, Dr. Ing., 73728 Spindel-Kompressor
WO2011101064A2 (de) 2010-02-18 2011-08-25 Ralf Steffens Antrieb für einen spindel-kompressor
US8821140B2 (en) * 2010-04-29 2014-09-02 Dan Paval Gear pump
US20130266904A1 (en) * 2012-04-04 2013-10-10 James Martin Lip Rolling Machine With Rotated Oven Guide Bar
DE102012009103A1 (de) 2012-05-08 2013-11-14 Ralf Steffens Spindelverdichter
DE102012011822A1 (de) 2012-06-15 2013-12-19 Ralf Steffens Spindelverdichter-Antrieb
DE102012011820A1 (de) 2012-06-15 2013-12-19 Ralf Steffens Spindelverdichter-Abdichtung
DE102013211185A1 (de) 2012-06-15 2013-12-19 Ralf Steffens Spindelverdichter-Gehäuse
DE102013009040B4 (de) 2013-05-28 2024-04-11 Ralf Steffens Spindelkompressor mit hoher innerer Verdichtung
DE102014008288B4 (de) * 2014-06-03 2025-11-27 Steffen Klein Spindelverdichter für Kompressionskältemaschinen
DE202016100419U1 (de) * 2016-01-28 2017-05-02 Hugo Vogelsang Maschinenbau Gmbh Kolben für eine Drehkolbenpumpe
DE112016007421A5 (de) * 2016-11-09 2019-08-01 Ralf Steffens Spindelkompressor
CN110520626A (zh) * 2017-01-17 2019-11-29 拉尔夫·斯蒂芬斯 作为主轴压缩机的包括干式正位移单元的蒸汽压缩机
GB2563595B (en) * 2017-06-19 2020-04-15 Edwards Ltd Twin-shaft pumps
CN107956686A (zh) * 2017-12-07 2018-04-24 无锡锡压压缩机有限公司 一种集成油路的干螺杆压缩机结构
CN110879159B (zh) * 2019-12-27 2022-11-15 长安大学 一种高温高湿度气溶胶采样装置及采样方法
CN112012931B (zh) * 2020-09-04 2022-05-24 浙江思科瑞真空技术有限公司 一种泵转子的冷却方法
CN113153723A (zh) * 2021-04-02 2021-07-23 胡尊波 一种真空泵抽速测量方法
FR3136261B1 (fr) * 2022-06-03 2024-05-17 Pfeiffer Vacuum Pompe à vide verticale
CN116292288B (zh) * 2023-03-21 2025-03-11 重庆建峰工业技术服务有限公司 一种螺杆式真空泵的装配方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE574384C (de) * 1930-12-06 1933-04-12 Friedrich Gieschen Drehkolbenmaschine
US2111568A (en) * 1935-02-12 1938-03-22 Lysholm Alf Rotary compressor
DE2461411A1 (de) * 1974-12-24 1976-07-08 Bruno Wolff Kolbenwasserkuehlung fuer kreiskolbenmotor
US4375156A (en) * 1980-10-03 1983-03-01 Dunham-Bush, Inc. Closed loop compressed gas system with oil mist lubricated screw compressor
JPS59115492A (ja) * 1982-12-22 1984-07-03 Hitachi Ltd 無給油式スクリユ−圧縮機
DE3775553D1 (de) * 1987-05-15 1992-02-06 Leybold Ag Zweiwellenpumpe.
JPH04159480A (ja) * 1990-10-19 1992-06-02 Hitachi Ltd スクリュー圧縮機
WO1995002767A1 (en) * 1993-07-13 1995-01-26 Thomassen International B.V. Rotary screw compressor
DE4444535A1 (de) * 1994-12-14 1996-06-20 Inst Luft Kaeltetech Gem Gmbh Lagerung der Rotoren von Schraubenverdichtern
DE19522557A1 (de) * 1995-06-21 1997-01-02 Sihi Ind Consult Gmbh Drehkolbenverdichter, insbesondere Vakuumpumpe
DE19748385A1 (de) * 1997-11-03 1999-05-06 Peter Frieden Trockenlaufender Schraubenverdichter oder Vakuumpumpe
DE19800825A1 (de) * 1998-01-02 1999-07-08 Schacht Friedrich Trockenverdichtende Schraubenspindelpumpe
US6045343A (en) * 1998-01-15 2000-04-04 Sunny King Machinery Co., Ltd. Internally cooling rotary compression equipment

Also Published As

Publication number Publication date
CA2327080A1 (en) 2000-03-09
DE19839501A1 (de) 2000-03-02
ES2207965T3 (es) 2004-06-01
DE59906892D1 (de) 2003-10-09
JP2002523684A (ja) 2002-07-30
WO2000012899A1 (de) 2000-03-09
AU4902799A (en) 2000-03-21
US6497563B1 (en) 2002-12-24
EP1108143B1 (de) 2003-09-03
KR20010043430A (ko) 2001-05-25
WO2000012900A1 (de) 2000-03-09
KR100682586B1 (ko) 2007-02-15
EP1108143A1 (de) 2001-06-20

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee