WO2009062931A3 - High vacuum pump for pumping high temperature saturated steam - Google Patents

High vacuum pump for pumping high temperature saturated steam Download PDF

Info

Publication number
WO2009062931A3
WO2009062931A3 PCT/EP2008/065316 EP2008065316W WO2009062931A3 WO 2009062931 A3 WO2009062931 A3 WO 2009062931A3 EP 2008065316 W EP2008065316 W EP 2008065316W WO 2009062931 A3 WO2009062931 A3 WO 2009062931A3
Authority
WO
WIPO (PCT)
Prior art keywords
vacuum pump
saturated steam
temperature saturated
high temperature
pumping
Prior art date
Application number
PCT/EP2008/065316
Other languages
French (fr)
Other versions
WO2009062931A2 (en
Inventor
Guido Del Vecchio
Eros De Pian
Sandro Salvati
Original Assignee
Cisa S.P.A.
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 Cisa S.P.A. filed Critical Cisa S.P.A.
Publication of WO2009062931A2 publication Critical patent/WO2009062931A2/en
Publication of WO2009062931A3 publication Critical patent/WO2009062931A3/en

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
    • F04C18/30—Rotary-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
    • F04C18/34—Rotary-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
    • F04C18/344—Rotary-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
    • 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
    • F04C29/026—Lubricant separation
    • 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)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

A vacuum pump is described, functioning in conditions of saturated or wet steam at high temperatures (around 100 °C), without use of cooling/process water, preferably of the rotary vane type. The pump is advantageously applied to steam sterilization systems.
PCT/EP2008/065316 2007-11-13 2008-11-11 High vacuum pump for pumping high temperature saturated steam WO2009062931A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07120582.7 2007-11-13
EP07120582A EP2060790A1 (en) 2007-11-13 2007-11-13 High vacuum pump for pumping high temperature saturated steam

Publications (2)

Publication Number Publication Date
WO2009062931A2 WO2009062931A2 (en) 2009-05-22
WO2009062931A3 true WO2009062931A3 (en) 2010-01-14

Family

ID=39332086

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/065316 WO2009062931A2 (en) 2007-11-13 2008-11-11 High vacuum pump for pumping high temperature saturated steam

Country Status (2)

Country Link
EP (1) EP2060790A1 (en)
WO (1) WO2009062931A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103352852A (en) * 2013-07-31 2013-10-16 南通龙鹰真空泵业有限公司 Rotary vane type vacuum pump
ES2899908T3 (en) * 2015-10-02 2022-03-15 Leybold Gmbh Multistage rotary vane pump
CN105351172A (en) * 2015-11-18 2016-02-24 宁波升鸿机械设备有限公司 Oil conveying mechanism suitable for vacuum pump
CN105351199A (en) * 2015-11-18 2016-02-24 宁波升鸿机械设备有限公司 Vacuum pump
CN106194685B (en) * 2016-07-29 2017-06-27 厦门金龙旅行车有限公司 A kind of automobile control method for having the anti-lubricating oil emulsion of oily electric compressor
IT201900021330A1 (en) * 2019-11-15 2020-02-15 Agilent Tech Inc A Delaware Corporation VACUUM PUMP FITTED WITH AN OIL TANK

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1467632A (en) * 1966-02-08 1967-01-27 Edwards High Vacuum Int Ltd Process for removing contaminants from oil in a high vacuum pump as well as pump for applying said process
US3415445A (en) * 1966-11-21 1968-12-10 Pennsalt Chemicals Corp Industrial process and apparatus
GB1535058A (en) * 1974-12-09 1978-12-06 Gen Signal Corp Vacuum pump with oil separator
DE10330856A1 (en) * 2003-07-09 2005-01-27 Meissner, Werner Pump, and especially vacuum pump, has heater in sump of oil collector by which a temperature can be set which is lower than boiling temperature of oil and higher than boiling temperature of liquid

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19751692A1 (en) * 1997-11-21 1999-05-27 Muenchner Medizin Mechanik Steam vessel sterilization process and assembly dispenses with cooling water
CN100362240C (en) * 2004-02-03 2008-01-16 孙洪乐 Rotary plate type vacuum pump
JP2006316662A (en) * 2005-05-11 2006-11-24 Toshiba Corp Two shaft synchronous reversed type pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1467632A (en) * 1966-02-08 1967-01-27 Edwards High Vacuum Int Ltd Process for removing contaminants from oil in a high vacuum pump as well as pump for applying said process
US3415445A (en) * 1966-11-21 1968-12-10 Pennsalt Chemicals Corp Industrial process and apparatus
GB1535058A (en) * 1974-12-09 1978-12-06 Gen Signal Corp Vacuum pump with oil separator
DE10330856A1 (en) * 2003-07-09 2005-01-27 Meissner, Werner Pump, and especially vacuum pump, has heater in sump of oil collector by which a temperature can be set which is lower than boiling temperature of oil and higher than boiling temperature of liquid

Also Published As

Publication number Publication date
EP2060790A1 (en) 2009-05-20
WO2009062931A2 (en) 2009-05-22

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