ATE383517T1 - Flüssigkeitsdichtungs-schneckenpumpe - Google Patents

Flüssigkeitsdichtungs-schneckenpumpe

Info

Publication number
ATE383517T1
ATE383517T1 AT02753305T AT02753305T ATE383517T1 AT E383517 T1 ATE383517 T1 AT E383517T1 AT 02753305 T AT02753305 T AT 02753305T AT 02753305 T AT02753305 T AT 02753305T AT E383517 T1 ATE383517 T1 AT E383517T1
Authority
AT
Austria
Prior art keywords
pump
liquid seal
screw pump
seal screw
liquid
Prior art date
Application number
AT02753305T
Other languages
English (en)
Inventor
Olav Hofseth
Original Assignee
Jets As
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=19912506&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE383517(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Jets As filed Critical Jets As
Application granted granted Critical
Publication of ATE383517T1 publication Critical patent/ATE383517T1/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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/02—Liquid sealing for high-vacuum pumps or for compressors
    • 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
    • F04C7/00—Rotary-piston machines or pumps with fluid ring or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Sewage (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Reciprocating Pumps (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Electromagnetic Pumps, Or The Like (AREA)
AT02753305T 2001-05-29 2002-05-29 Flüssigkeitsdichtungs-schneckenpumpe ATE383517T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20012641A NO314734B3 (no) 2001-05-29 2001-05-29 Væskeringspumpe av skruetypen

Publications (1)

Publication Number Publication Date
ATE383517T1 true ATE383517T1 (de) 2008-01-15

Family

ID=19912506

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02753305T ATE383517T1 (de) 2001-05-29 2002-05-29 Flüssigkeitsdichtungs-schneckenpumpe

Country Status (12)

Country Link
US (1) US7029231B2 (de)
EP (1) EP1397595B1 (de)
JP (1) JP2005506482A (de)
AT (1) ATE383517T1 (de)
CA (1) CA2449158C (de)
DE (1) DE60224531T2 (de)
DK (1) DK1397595T3 (de)
EA (1) EA005439B1 (de)
ES (1) ES2300461T3 (de)
NO (1) NO314734B3 (de)
WO (1) WO2002097275A1 (de)
ZA (1) ZA200309131B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO318776B1 (no) * 2003-05-07 2005-05-02 Jets As Anordning ved vaeskeringspumpe av skruetypen
US20090217448A1 (en) * 2008-02-28 2009-09-03 Hall David R Human Waste System
FI126831B (fi) * 2010-04-14 2017-06-15 Evac Oy Nesterengaspumppu ja menetelmä nesterengaspumpun käyttämiseksi
WO2012115521A1 (en) * 2011-02-22 2012-08-30 Jets Invest As Vacuum sewage system improvement
EP2870365A4 (de) * 2012-07-09 2016-03-23 Jets As Schraubenpumpenentwurf mit einem flüssigkeitsring
DE102016109907A1 (de) 2016-05-27 2017-11-30 Bilfinger Water Technologies Gmbh Verfahren zum Betrieb einer Vakuumpumpe sowie Vakuumpumpenanordnung
CN108361204A (zh) * 2018-04-25 2018-08-03 丹东晟辉石化设备有限公司 抗抽空防颗粒型磁力泵

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB966752A (en) * 1959-09-08 1964-08-12 Svenska Rotor Maskiner Ab Improvements in and relating to screw rotor compressors or vacuum pumps
US3301474A (en) * 1965-09-24 1967-01-31 Bendix Balzers Vacuum Inc Oil sealed mechanical rotary vacuum pump
US3575539A (en) * 1968-11-27 1971-04-20 United States Steel Corp Apparatus for suppressing vibration in a helical-rotor axial-flow compressor supplied with sealing water
CA940897A (en) * 1969-09-11 1974-01-29 Norman L. Foley Vacuum pump
NO165502C (no) * 1987-04-13 1991-02-20 Jets Systemer As Oppsamlingsanordning for vakuumavloepssystem.

Also Published As

Publication number Publication date
WO2002097275A1 (en) 2002-12-05
NO314734B1 (no) 2003-05-12
US20040184911A1 (en) 2004-09-23
NO20012641L (no) 2002-12-02
DK1397595T3 (da) 2008-05-19
ES2300461T3 (es) 2008-06-16
DE60224531T2 (de) 2008-05-21
CA2449158A1 (en) 2002-12-05
EP1397595B1 (de) 2008-01-09
NO314734B3 (no) 2003-05-12
DE60224531D1 (de) 2008-02-21
ZA200309131B (en) 2005-03-30
US7029231B2 (en) 2006-04-18
EA005439B1 (ru) 2005-02-24
JP2005506482A (ja) 2005-03-03
CA2449158C (en) 2008-06-17
EA200301212A1 (ru) 2004-06-24
EP1397595A1 (de) 2004-03-17
NO20012641D0 (no) 2001-05-29

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties