FR2766881B1 - VACUUM PUMP HAVING PALLETS - Google Patents

VACUUM PUMP HAVING PALLETS

Info

Publication number
FR2766881B1
FR2766881B1 FR9810087A FR9810087A FR2766881B1 FR 2766881 B1 FR2766881 B1 FR 2766881B1 FR 9810087 A FR9810087 A FR 9810087A FR 9810087 A FR9810087 A FR 9810087A FR 2766881 B1 FR2766881 B1 FR 2766881B1
Authority
FR
France
Prior art keywords
pallets
vacuum pump
vacuum
pump
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 - Fee Related
Application number
FR9810087A
Other languages
French (fr)
Other versions
FR2766881A1 (en
Inventor
Carlo Pachetti
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.)
Marelli Europe SpA
Original Assignee
Magneti Marelli 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 Magneti Marelli SpA filed Critical Magneti Marelli SpA
Publication of FR2766881A1 publication Critical patent/FR2766881A1/en
Application granted granted Critical
Publication of FR2766881B1 publication Critical patent/FR2766881B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • 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
    • F04C18/3442—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 the surfaces of the inner and outer member, forming the inlet and outlet opening
    • 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
    • F04C27/005—Axial sealings for working fluid
    • 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)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Hydraulic Motors (AREA)
  • Shutters For Cameras (AREA)
  • Centrifugal Separators (AREA)
FR9810087A 1997-08-01 1998-07-31 VACUUM PUMP HAVING PALLETS Expired - Fee Related FR2766881B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO970707 IT1293672B1 (en) 1997-08-01 1997-08-01 ROTARY VANE DEPRESSOR.

Publications (2)

Publication Number Publication Date
FR2766881A1 FR2766881A1 (en) 1999-02-05
FR2766881B1 true FR2766881B1 (en) 2000-01-28

Family

ID=11415927

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9810087A Expired - Fee Related FR2766881B1 (en) 1997-08-01 1998-07-31 VACUUM PUMP HAVING PALLETS

Country Status (3)

Country Link
DE (1) DE19834033A1 (en)
FR (1) FR2766881B1 (en)
IT (1) IT1293672B1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2359591B (en) * 1998-09-30 2003-04-02 Luk Automobiltech Gmbh & Co Kg Vacuum pump
EP1424495A3 (en) * 2000-03-15 2004-06-23 Joma-Hydromechanic GmbH Vane pump
DE10247668B4 (en) * 2001-10-15 2013-03-07 Ixetic Hückeswagen Gmbh vacuum pump
WO2003071135A1 (en) * 2002-02-18 2003-08-28 Luk Automobiltechnik Gmbh & Co. Kg Vacuum pump comprising a single-part connecting branch and housing element
DE102004034925B3 (en) * 2004-07-09 2006-02-16 Joma-Hydromechanic Gmbh A single-blade
DE102005045355A1 (en) * 2005-09-23 2007-03-29 Bayerische Motoren Werke Ag Low pressure vane-cell pump for use in motor vehicle, has rotatable impeller, which is driven by drive shaft, and recess over coating gas outlet in area of gap and provided in drive shaft, where elastic unit is arranged in recess
DE102015216104B3 (en) * 2015-08-24 2016-12-29 Magna Powertrain Bad Homburg GmbH Vacuum pump in lightweight construction
US10982673B2 (en) * 2016-03-07 2021-04-20 Pierburg Pump Technology Gmbh Automotive vacuum pump

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2312655A (en) * 1941-05-22 1943-03-02 Pump Engineering Service Corp Pump
GB2013282B (en) * 1978-01-31 1982-02-24 Automatic Products Ltd Sliding vane rotary machine
DE2936971A1 (en) * 1979-09-13 1981-04-16 Alfred Teves Gmbh, 6000 Frankfurt Vacuum pump with housing supported rotor - has end plate, abutting blades and rotor, due to vacuum generated by rotor movement
GB2099081A (en) * 1981-05-05 1982-12-01 Denco Agr Ltd Sliding-vane rotary compressor
JPS597792A (en) * 1982-07-07 1984-01-14 Hitachi Ltd Closed type rotary compressor
DE3301098A1 (en) * 1983-01-14 1984-07-19 Knorr-Bremse GmbH, 8000 München ROTATIONAL COMPRESSOR

Also Published As

Publication number Publication date
ITTO970707A1 (en) 1999-02-01
IT1293672B1 (en) 1999-03-08
FR2766881A1 (en) 1999-02-05
DE19834033A1 (en) 1999-02-04

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20110331