BR7805334A - PUMP WITH PALLETS TO PRODUCE A SUB-PRESSURE - Google Patents

PUMP WITH PALLETS TO PRODUCE A SUB-PRESSURE

Info

Publication number
BR7805334A
BR7805334A BR7805334A BR7805334A BR7805334A BR 7805334 A BR7805334 A BR 7805334A BR 7805334 A BR7805334 A BR 7805334A BR 7805334 A BR7805334 A BR 7805334A BR 7805334 A BR7805334 A BR 7805334A
Authority
BR
Brazil
Prior art keywords
pallets
sub
pump
produce
pressure
Prior art date
Application number
BR7805334A
Other languages
Portuguese (pt)
Inventor
P Buchholz
A Beier
R Warnecke
Original Assignee
Volkswagenwerk Ag
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 Volkswagenwerk Ag filed Critical Volkswagenwerk Ag
Publication of BR7805334A publication Critical patent/BR7805334A/en

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
    • F01C21/08—Rotary pistons
    • 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
    • F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
    • F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
    • 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
    • F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
    • F04C29/0078—Fixing rotors on shafts, e.g. by clamping together hub and shaft
    • 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
    • F04C29/023—Lubricant distribution through a hollow driving shaft
    • 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
    • F04C2240/00—Components
    • F04C2240/50—Bearings
    • F04C2240/51—Bearings for cantilever assemblies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
BR7805334A 1977-08-20 1978-08-18 PUMP WITH PALLETS TO PRODUCE A SUB-PRESSURE BR7805334A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772737659 DE2737659C2 (en) 1977-08-20 1977-08-20 Vane vacuum pump

Publications (1)

Publication Number Publication Date
BR7805334A true BR7805334A (en) 1979-03-27

Family

ID=6016935

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7805334A BR7805334A (en) 1977-08-20 1978-08-18 PUMP WITH PALLETS TO PRODUCE A SUB-PRESSURE

Country Status (2)

Country Link
BR (1) BR7805334A (en)
DE (1) DE2737659C2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2737659C2 (en) 1977-08-20 1987-04-23 Volkswagen AG, 3180 Wolfsburg Vane vacuum pump
DE2760391C2 (en) * 1976-07-10 1991-12-05 Volkswagen Ag
DE2822209A1 (en) * 1978-05-22 1979-11-29 Barmag Barmer Maschf Lubricating oil circulation system for IC engine - uses finely divided oil stream part, representing less than 10 per cent of total, passing through large vacuum chamber
DE2945488A1 (en) * 1979-11-10 1981-05-21 Barmag Barmer Maschf Vacuum pump for vehicle brakes - has rotor of sintered alloyed aluminium for light weight
DE3519741A1 (en) * 1984-06-09 1986-01-02 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Vane vacuum pump
ES2022973B3 (en) * 1987-12-12 1991-12-16 Barmag Barmer Maschf VACUUM PUMP WITH FINS
DE3841329C2 (en) * 1987-12-12 1994-12-15 Barmag Barmer Maschf Vane vacuum pump
DE102012104865B4 (en) * 2012-06-05 2023-02-23 Pump Technology Solutions PS GmbH Threaded shaft-rotor connection

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3311292A (en) * 1967-03-28 Comprbssoe lubrication during reverse rotation
CH142112A (en) * 1929-10-21 1930-09-15 Hoelken G M B H Martin Process for eliminating the harmful influence of the warming occurring in the bearing points of the drive spindle on the spinning liquid to be conveyed, which is also used for lubrication, in rayon spinning pumps.
GB447318A (en) * 1934-06-14 1936-05-15 British Thomson Houston Co Ltd Improvements in and relating to refrigerating machines
GB567670A (en) * 1943-08-28 1945-02-26 Arthur Cyril Thornton Improvements in or relating to rotary air compressors for use in connection with aircraft engines
US2688287A (en) * 1951-10-30 1954-09-07 Pioneer Gen E Motor Corp Hydraulic pump
GB912119A (en) * 1960-05-18 1962-12-05 Dewandre Co Ltd C Improvements in or relating to rotary exhausters and the like
US3207079A (en) * 1963-01-10 1965-09-21 Hypro Inc Spring loaded end port rotary pump
DE2015193A1 (en) * 1970-03-28 1971-10-28 VEB Kombinat Medizin- und Labortechnik, χ 7035 Leipzig Maintenance free pump
US3643642A (en) * 1970-07-06 1972-02-22 Norman E Junes Power takeoff on marine diesel engine
DE2737659C2 (en) 1977-08-20 1987-04-23 Volkswagen AG, 3180 Wolfsburg Vane vacuum pump

Also Published As

Publication number Publication date
DE2737659A1 (en) 1979-03-01
DE2737659C2 (en) 1987-04-23

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