ITTO20080033A1 - Pompa volumetrica con barriera contro il trafilamento di fluido - Google Patents

Pompa volumetrica con barriera contro il trafilamento di fluido

Info

Publication number
ITTO20080033A1
ITTO20080033A1 ITTO20080033A ITTO20080033A1 IT TO20080033 A1 ITTO20080033 A1 IT TO20080033A1 IT TO20080033 A ITTO20080033 A IT TO20080033A IT TO20080033 A1 ITTO20080033 A1 IT TO20080033A1
Authority
IT
Italy
Prior art keywords
barrier against
volumetric pump
against fluid
fluid drawing
volumetric
Prior art date
Application number
Other languages
English (en)
Inventor
Franco Fermini
Giuseppe Omacini
Original Assignee
Vhit 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
Application filed by Vhit Spa filed Critical Vhit Spa
Priority to ITTO20080033 priority Critical patent/ITTO20080033A1/it
Priority to EP09702342.8A priority patent/EP2242927B1/en
Priority to PCT/EP2009/000244 priority patent/WO2009090079A2/en
Priority to CN200980102475.9A priority patent/CN101910638B/zh
Publication of ITTO20080033A1 publication Critical patent/ITTO20080033A1/it

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
    • F04C18/3441—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 the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
ITTO20080033 2008-01-16 2008-01-16 Pompa volumetrica con barriera contro il trafilamento di fluido ITTO20080033A1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ITTO20080033 ITTO20080033A1 (it) 2008-01-16 2008-01-16 Pompa volumetrica con barriera contro il trafilamento di fluido
EP09702342.8A EP2242927B1 (en) 2008-01-16 2009-01-12 A displacement pump with a barrier against the fluid leakage
PCT/EP2009/000244 WO2009090079A2 (en) 2008-01-16 2009-01-12 A displacement pump with a barrier against the fluid leakage
CN200980102475.9A CN101910638B (zh) 2008-01-16 2009-01-12 带有防止流体泄漏的阻挡件的排量泵

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO20080033 ITTO20080033A1 (it) 2008-01-16 2008-01-16 Pompa volumetrica con barriera contro il trafilamento di fluido

Publications (1)

Publication Number Publication Date
ITTO20080033A1 true ITTO20080033A1 (it) 2009-07-17

Family

ID=40290389

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO20080033 ITTO20080033A1 (it) 2008-01-16 2008-01-16 Pompa volumetrica con barriera contro il trafilamento di fluido

Country Status (4)

Country Link
EP (1) EP2242927B1 (it)
CN (1) CN101910638B (it)
IT (1) ITTO20080033A1 (it)
WO (1) WO2009090079A2 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2950940B1 (fr) * 2009-10-07 2012-11-16 Peugeot Citroen Automobiles Sa Pompe a vide a palette
CN102661280A (zh) * 2012-04-28 2012-09-12 山东三牛机械有限公司 罗茨风机主动轴轴端密封系统
DE102018105144A1 (de) * 2018-03-06 2019-09-12 Schwäbische Hüttenwerke Automotive GmbH Axiales Dichtelement Vakuumpumpe

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9708397D0 (en) * 1997-04-25 1997-06-18 Boc Group Plc Improvements in vacuum pumps
US6325602B1 (en) * 1999-09-23 2001-12-04 John J. Rademacher Automotive vacuum pump
SE0003075D0 (sv) * 2000-08-31 2000-08-31 Delaval Holding Ab Vacuum pump
WO2004036046A1 (ja) * 2002-10-15 2004-04-29 Mitsubishi Denki Kabushiki Kaisha ベーン式真空ポンプ
GB0607198D0 (en) * 2006-04-10 2006-05-17 Wabco Automotive Uk Ltd Improved vacuum pump

Also Published As

Publication number Publication date
WO2009090079A2 (en) 2009-07-23
CN101910638A (zh) 2010-12-08
EP2242927A2 (en) 2010-10-27
CN101910638B (zh) 2013-06-12
EP2242927B1 (en) 2016-07-27
WO2009090079A3 (en) 2009-11-12

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