BRPI1009368A2 - vacuum pump pump corrosive fluid - Google Patents

vacuum pump pump corrosive fluid

Info

Publication number
BRPI1009368A2
BRPI1009368A2 BRPI1009368A BRPI1009368A BRPI1009368A2 BR PI1009368 A2 BRPI1009368 A2 BR PI1009368A2 BR PI1009368 A BRPI1009368 A BR PI1009368A BR PI1009368 A BRPI1009368 A BR PI1009368A BR PI1009368 A2 BRPI1009368 A2 BR PI1009368A2
Authority
BR
Brazil
Prior art keywords
pump
corrosive fluid
vacuum pump
vacuum
fluid
Prior art date
Application number
BRPI1009368A
Other languages
Portuguese (pt)
Inventor
Emmanuel Uzoma Okoroafor
Original Assignee
Edwards Ltd
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 Edwards Ltd filed Critical Edwards Ltd
Publication of BRPI1009368A2 publication Critical patent/BRPI1009368A2/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
    • 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/126—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
    • 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
    • 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
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/123—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially or approximately radially from the rotor body extending tooth-like elements, co-operating with recesses in the other rotor, e.g. one tooth
    • 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
    • F04C2210/00—Fluid
    • F04C2210/10—Fluid working
    • 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
    • F04C2220/12—Dry running
    • 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
    • F04C2220/30—Use in a chemical vapor deposition [CVD] process or in a similar process
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/04—Heavy metals
    • F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
    • F05C2201/0436—Iron
    • F05C2201/0439—Cast iron
    • F05C2201/0442—Spheroidal graphite cast iron, e.g. nodular iron, ductile iron

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
BRPI1009368A 2009-04-29 2010-03-31 vacuum pump pump corrosive fluid BRPI1009368A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0907298.4A GB0907298D0 (en) 2009-04-29 2009-04-29 Vacuum pump
PCT/GB2010/050572 WO2010125368A2 (en) 2009-04-29 2010-03-31 Vacuum pump

Publications (1)

Publication Number Publication Date
BRPI1009368A2 true BRPI1009368A2 (en) 2016-03-08

Family

ID=40791933

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1009368A BRPI1009368A2 (en) 2009-04-29 2010-03-31 vacuum pump pump corrosive fluid

Country Status (9)

Country Link
US (1) US20120045322A1 (en)
EP (1) EP2425137A2 (en)
JP (1) JP5636042B2 (en)
KR (2) KR20170063990A (en)
CN (1) CN102414449B (en)
BR (1) BRPI1009368A2 (en)
GB (1) GB0907298D0 (en)
TW (1) TWI489043B (en)
WO (1) WO2010125368A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014001668A (en) * 2012-06-18 2014-01-09 Toshiba Corp Roots pump
FR3051852B1 (en) * 2016-05-24 2018-06-15 Pfeiffer Vacuum STATOR, ROTARY SHAFT, DRY TYPE VACUUM PUMP, AND METHODS OF MANUFACTURING THE SAME

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3710782A1 (en) * 1987-03-31 1988-10-20 Vacuubrand Gmbh & Co Method and device for pumping out vapours and/or vaporous mixtures and/or gas-vapour mixtures or similar media
GB9604486D0 (en) * 1996-03-01 1996-05-01 Boc Group Plc Improvements in vacuum pumps
DE19745615A1 (en) * 1997-10-10 1999-04-15 Leybold Vakuum Gmbh Screw vacuum pump with rotors
DE19882986B4 (en) * 1998-03-23 2007-12-27 Taiko Kikai Industries Co., Ltd. Dry vacuum pump
CN1399074A (en) * 2001-07-27 2003-02-26 大晃机械工业株式会社 Dry vacuum pump
JP4007130B2 (en) * 2002-09-10 2007-11-14 株式会社豊田自動織機 Vacuum pump
GB0223767D0 (en) * 2002-10-14 2002-11-20 Boc Group Plc Pump cleaning
JP2006520873A (en) * 2003-03-19 2006-09-14 株式会社荏原製作所 Positive displacement vacuum pump
JP2005098210A (en) * 2003-09-25 2005-04-14 Aisin Seiki Co Ltd Multistage dry pump
GB0609306D0 (en) 2006-05-11 2006-06-21 Boc Group Plc Vacuum pump
GB2440944B (en) * 2006-08-11 2011-10-12 Itt Mfg Enterprises Inc Rotary lobe pump
GB0705971D0 (en) * 2007-03-28 2007-05-09 Boc Group Plc Vacuum pump

Also Published As

Publication number Publication date
JP5636042B2 (en) 2014-12-03
US20120045322A1 (en) 2012-02-23
EP2425137A2 (en) 2012-03-07
KR20120007014A (en) 2012-01-19
JP2012525534A (en) 2012-10-22
KR20170063990A (en) 2017-06-08
GB0907298D0 (en) 2009-06-10
CN102414449B (en) 2015-12-16
WO2010125368A3 (en) 2010-12-23
TWI489043B (en) 2015-06-21
CN102414449A (en) 2012-04-11
TW201102518A (en) 2011-01-16
WO2010125368A2 (en) 2010-11-04

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Legal Events

Date Code Title Description
B25G Requested change of headquarter approved

Owner name: EDWARDS LIMITED (GB)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements