DE602004007325D1 - Vakuumpumpgerät - Google Patents

Vakuumpumpgerät

Info

Publication number
DE602004007325D1
DE602004007325D1 DE602004007325T DE602004007325T DE602004007325D1 DE 602004007325 D1 DE602004007325 D1 DE 602004007325D1 DE 602004007325 T DE602004007325 T DE 602004007325T DE 602004007325 T DE602004007325 T DE 602004007325T DE 602004007325 D1 DE602004007325 D1 DE 602004007325D1
Authority
DE
Germany
Prior art keywords
pumping device
vacuum pumping
vacuum
pumping
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.)
Expired - Lifetime
Application number
DE602004007325T
Other languages
English (en)
Other versions
DE602004007325T2 (de
Inventor
Mario Busso
Roberto Carboneri
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.)
Varian SpA
Original Assignee
Varian SpA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33105063&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE602004007325(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Varian SpA filed Critical Varian SpA
Publication of DE602004007325D1 publication Critical patent/DE602004007325D1/de
Application granted granted Critical
Publication of DE602004007325T2 publication Critical patent/DE602004007325T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/08—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the rotational speed
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/40—Regulating or controlling the amount of current drawn or delivered by the motor for controlling the mechanical load
DE602004007325T 2003-05-28 2004-04-30 Vakuumpumpgerät Expired - Lifetime DE602004007325T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO20030392 2003-05-28
IT000392A ITTO20030392A1 (it) 2003-05-28 2003-05-28 Sistema di pompaggio per vuoto.

Publications (2)

Publication Number Publication Date
DE602004007325D1 true DE602004007325D1 (de) 2007-08-16
DE602004007325T2 DE602004007325T2 (de) 2008-03-06

Family

ID=33105063

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004007325T Expired - Lifetime DE602004007325T2 (de) 2003-05-28 2004-04-30 Vakuumpumpgerät

Country Status (5)

Country Link
US (1) US7621721B2 (de)
EP (1) EP1482178B1 (de)
JP (1) JP2004353672A (de)
DE (1) DE602004007325T2 (de)
IT (1) ITTO20030392A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004024554B4 (de) * 2004-05-18 2018-01-25 Pfeiffer Vacuum Gmbh Ölgedichtete Drehschiebervakuumpumpe
GB0502149D0 (en) 2005-02-02 2005-03-09 Boc Group Inc Method of operating a pumping system
US20060198736A1 (en) * 2005-03-01 2006-09-07 Caterpillar Inc. Pump control system for variable displacement pump
FR2883934B1 (fr) * 2005-04-05 2010-08-20 Cit Alcatel Pompage rapide d'enceinte avec limitation d'energie
GB0508872D0 (en) 2005-04-29 2005-06-08 Boc Group Plc Method of operating a pumping system
DE102009017887A1 (de) 2009-04-17 2010-10-21 Oerlikon Leybold Vacuum Gmbh Grobpumpverfahren für eine Verdrängerpumpe
US9745974B2 (en) 2011-12-07 2017-08-29 Flow Control LLC Pump using multi voltage electronics with run dry and over current protection
WO2013086317A1 (en) 2011-12-07 2013-06-13 Flow Control Llc. Pump using multi voltage electronics with run dry and over current protection
WO2014179394A1 (en) 2013-05-01 2014-11-06 Flow Control Llc. Pump using multi voltage electronics with run dry and over current protection
KR101637771B1 (ko) 2014-12-11 2016-07-08 현대자동차주식회사 전자식 진공 펌프의 제어 방법
DE102016212104B4 (de) 2016-07-04 2018-10-31 Magna Powertrain Bad Homburg GmbH Verfahren zur Steuerung einer Vakuumpumpe
IT202000004513A1 (it) * 2020-03-04 2021-09-04 Marziano Salvaro Pompa per il vuoto, particolarmente per apparecchiature per la conservazione di cibi.

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0631627B2 (ja) * 1984-07-25 1994-04-27 株式会社日立製作所 回転容積形真空ポンプ装置
JPS61272555A (ja) * 1985-05-29 1986-12-02 株式会社東芝 空気調和機
US5110264A (en) * 1989-12-20 1992-05-05 Allied-Signal Inc. Variable speed turbo vacuum pump
FR2666382B1 (fr) * 1990-08-28 1992-10-16 Cit Alcatel Dispositif de pompage d'un gaz par une pompe a palettes et a joint d'huile et application aux detecteurs de fuites a helium.
JPH04121470A (ja) * 1990-09-11 1992-04-22 Sumitomo Heavy Ind Ltd 射出成形機の電動機監視装置
DE19630384A1 (de) * 1996-07-29 1998-04-23 Becker Kg Gebr Verfahren zur Steuerung oder Regelung eines Aggregats und Frequenzumwandler
DE19705672A1 (de) * 1996-10-12 1998-04-16 Leybold Vakuum Gmbh Antrieb für eine Vakuumpumpe
JP3922760B2 (ja) * 1997-04-25 2007-05-30 株式会社荏原製作所 流体機械
US6265786B1 (en) * 1998-01-05 2001-07-24 Capstone Turbine Corporation Turbogenerator power control system
DE19831997A1 (de) * 1998-07-16 2000-01-20 Ewald Hennel Verfahren zur Regelung des Drucks eines Fluids
US6468042B2 (en) * 1999-07-12 2002-10-22 Danfoss Drives A/S Method for regulating a delivery variable of a pump
US6182634B1 (en) * 1999-10-13 2001-02-06 Caterpillar Inc. Low RPM switching tachometer
DE10012380A1 (de) * 2000-03-14 2001-09-20 Man Turbomasch Ag Ghh Borsig Verfahren zum Schutz eines Turbokompressors vor Betrieb im instabilen Arbeitsbereich
US7029239B2 (en) * 2003-05-19 2006-04-18 Standard Microsystems Corporation Piecewise linear control of the duty cycle of a pulse width modulated signal

Also Published As

Publication number Publication date
DE602004007325T2 (de) 2008-03-06
EP1482178A1 (de) 2004-12-01
US7621721B2 (en) 2009-11-24
EP1482178B1 (de) 2007-07-04
US20040265135A1 (en) 2004-12-30
JP2004353672A (ja) 2004-12-16
ITTO20030392A1 (it) 2004-11-29

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Legal Events

Date Code Title Description
8363 Opposition against the patent