IN2014KN01001A - - Google Patents

Info

Publication number
IN2014KN01001A
IN2014KN01001A IN1001KON2014A IN2014KN01001A IN 2014KN01001 A IN2014KN01001 A IN 2014KN01001A IN 1001KON2014 A IN1001KON2014 A IN 1001KON2014A IN 2014KN01001 A IN2014KN01001 A IN 2014KN01001A
Authority
IN
India
Prior art keywords
pump
lubricating
rotary vacuum
circumferential groove
vacuum pump
Prior art date
Application number
Other languages
English (en)
Inventor
Antonio Crotti
Luciano Marchetti
Fabio Martello
Johannes Muellers
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
Publication of IN2014KN01001A publication Critical patent/IN2014KN01001A/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
    • 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
    • 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
    • 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
    • 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
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings
    • 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
    • F04C2240/54—Hydrostatic or hydrodynamic bearing assemblies specially adapted for rotary positive displacement pumps or compressors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary Pumps (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Jet Pumps And Other Pumps (AREA)
IN1001KON2014 2011-10-13 2012-10-10 IN2014KN01001A (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000912A ITTO20110912A1 (it) 2011-10-13 2011-10-13 Pompa per vuoto rotativa
PCT/IB2012/055467 WO2013054263A2 (en) 2011-10-13 2012-10-10 Rotary vacuum pump

Publications (1)

Publication Number Publication Date
IN2014KN01001A true IN2014KN01001A (it) 2015-10-09

Family

ID=45373776

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1001KON2014 IN2014KN01001A (it) 2011-10-13 2012-10-10

Country Status (6)

Country Link
US (1) US9388810B2 (it)
EP (1) EP2748463B1 (it)
CN (1) CN103906927B (it)
IN (1) IN2014KN01001A (it)
IT (1) ITTO20110912A1 (it)
WO (1) WO2013054263A2 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20131081A1 (it) 2013-12-30 2015-07-01 Vhit Spa Pompa volumetrica e relativo metodo di comando
US11493018B2 (en) * 2020-01-03 2022-11-08 Parker-Hannifin Corporation Hydraulic motor with anti-cogging features

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2672282A (en) * 1951-07-27 1954-03-16 Novas Camilo Vazquez Rotary vacuum and compression pump
DE1238334B (de) * 1962-03-30 1967-04-06 Danfoss As Drehkolbenpumpe
GB1055850A (en) 1964-07-27 1967-01-18 Borg Warner A liquid supply system incorporating a contaminant resistant gear pump
US3453031A (en) * 1967-04-06 1969-07-01 Morgan Construction Co Bearing assembly
US3814554A (en) * 1970-04-13 1974-06-04 Case Co J I Support means for rotating elements
DE2353445C3 (de) * 1973-10-25 1981-02-19 Robert Bosch Gmbh, 7000 Stuttgart Zahnradpumpe oder -motor
DE2421599A1 (de) * 1974-05-04 1975-11-13 Bosch Gmbh Robert Zahnradpumpe
US5743654A (en) * 1987-05-29 1998-04-28 Kmc, Inc. Hydrostatic and active control movable pad bearing
DE3906823B4 (de) 1988-12-08 2004-01-08 Barmag Ag Flügel-Vakuumpumpe
US4930907A (en) * 1989-01-05 1990-06-05 Smith Robert S Stiff air bearing for large radial load
JPH0361714A (ja) * 1989-07-28 1991-03-18 Kobe Steel Ltd ラジアル荷重軽減装置およびこれを用いた滑り軸受およびスクリュ圧縮機
US5545014A (en) * 1993-08-30 1996-08-13 Coltec Industries Inc. Variable displacement vane pump, component parts and method
AU3884195A (en) * 1995-04-20 1996-11-07 Zacrytoe Aktsyonernoe Obschestvo "Nesavisimaya Energetica" Steam-driven screw machine and a method of converting therma l energy to mechanical energy
WO2002030726A1 (de) * 2000-10-11 2002-04-18 Luk Automobilitechnik Gmbh & Co. Kg Vakuumpumpe für einen servoantrieb in einem kraftfahrzeug
JP4387402B2 (ja) * 2006-12-22 2009-12-16 株式会社神戸製鋼所 軸受及び液冷式スクリュ圧縮機
WO2009046810A1 (de) * 2007-10-02 2009-04-16 Ixetic Hückeswagen Gmbh Vakuumpumpe, insbesondere flügelzellenpumpe
RS51355B (en) * 2008-04-01 2011-02-28 Zivoslav Milovanovic APPARATUS WITH ROTATION PISTONS WHICH MAY BE USED AS COMPRESSOR, PUMP, VACUUM PUMP, TURBINE, ENGINE AND AS OTHER DRIVING AND DRIVING HYDRAULIC-PNEUMATIC MACHINES
DE102009012853A1 (de) * 2009-03-12 2010-09-16 Robert Bosch Gmbh Hydraulische Zahnradmaschine
CN201448238U (zh) * 2009-05-14 2010-05-05 常州德丰机电有限公司 沼气真空泵

Also Published As

Publication number Publication date
WO2013054263A2 (en) 2013-04-18
EP2748463A2 (en) 2014-07-02
US9388810B2 (en) 2016-07-12
CN103906927B (zh) 2016-05-18
WO2013054263A3 (en) 2013-08-01
ITTO20110912A1 (it) 2013-04-14
US20140341767A1 (en) 2014-11-20
EP2748463B1 (en) 2019-03-13
CN103906927A (zh) 2014-07-02

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