EP3765742A4 - Method and apparatus related to servicing of liquid ring pumps - Google Patents

Method and apparatus related to servicing of liquid ring pumps Download PDF

Info

Publication number
EP3765742A4
EP3765742A4 EP19767637.2A EP19767637A EP3765742A4 EP 3765742 A4 EP3765742 A4 EP 3765742A4 EP 19767637 A EP19767637 A EP 19767637A EP 3765742 A4 EP3765742 A4 EP 3765742A4
Authority
EP
European Patent Office
Prior art keywords
servicing
liquid ring
apparatus related
ring pumps
pumps
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.)
Granted
Application number
EP19767637.2A
Other languages
German (de)
French (fr)
Other versions
EP3765742A1 (en
EP3765742B1 (en
Inventor
Ganesh VIJAPURE
Andries Daniel Jozef De Bock
Mark Gordon GLAISTER
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.)
Edwards Technologies Vacuum Engineering Qingdao Co Ltd
Original Assignee
Edwards Technologies Vacuum Engineering Qingdao Co 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 Technologies Vacuum Engineering Qingdao Co Ltd filed Critical Edwards Technologies Vacuum Engineering Qingdao Co Ltd
Publication of EP3765742A1 publication Critical patent/EP3765742A1/en
Publication of EP3765742A4 publication Critical patent/EP3765742A4/en
Application granted granted Critical
Publication of EP3765742B1 publication Critical patent/EP3765742B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04C7/00—Rotary-piston machines or pumps with fluid ring or the like
    • 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
    • F04C19/00—Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids
    • 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
    • F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • 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
    • F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • 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
    • F04C2230/00—Manufacture
    • F04C2230/60—Assembly methods
    • 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
    • F04C2230/00—Manufacture
    • F04C2230/60—Assembly methods
    • F04C2230/604—Mounting devices for pumps or compressors
    • 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
    • F04C2230/00—Manufacture
    • F04C2230/70—Disassembly methods
    • 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
    • F04C2230/00—Manufacture
    • F04C2230/80—Repairing methods
    • 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
    • F04C2230/00—Manufacture
    • F04C2230/85—Methods for improvement by repair or exchange of parts
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP19767637.2A 2018-03-14 2019-03-14 Method and apparatus related to servicing of liquid ring pumps Active EP3765742B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1804110.3A GB2571972B (en) 2018-03-14 2018-03-14 Method and apparatus related to servicing of liquid ring pumps
PCT/IB2019/052065 WO2019175818A1 (en) 2018-03-14 2019-03-14 Method and apparatus related to servicing of liquid ring pumps

Publications (3)

Publication Number Publication Date
EP3765742A1 EP3765742A1 (en) 2021-01-20
EP3765742A4 true EP3765742A4 (en) 2021-12-15
EP3765742B1 EP3765742B1 (en) 2023-05-03

Family

ID=61972659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19767637.2A Active EP3765742B1 (en) 2018-03-14 2019-03-14 Method and apparatus related to servicing of liquid ring pumps

Country Status (5)

Country Link
US (1) US20210025390A1 (en)
EP (1) EP3765742B1 (en)
CN (1) CN112105820A (en)
GB (1) GB2571972B (en)
WO (1) WO2019175818A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5120206A (en) * 1991-04-08 1992-06-09 Bridgestone/Firestone, Inc. Gear metering pump for compounded elastomeric material
US5423614A (en) * 1992-06-26 1995-06-13 Vooner Vacuum Pumps, Inc. Self aligning removable bearing carrier for a liquid ring vacuum pump
US20130209251A1 (en) * 2012-02-09 2013-08-15 Athanasios Diakomis Seal arrangement along the shaft of a liquid ring pump

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1154341A (en) * 1965-10-19 1969-06-04 Edwards High Vacuum Int Ltd Rotary Pumping Apparatus including a Rotary Vacuum Pump
ZA835575B (en) * 1982-08-13 1984-09-26 Chesterton A W Co Centrifugal pump
CN86203878U (en) * 1986-05-27 1987-05-20 金保国 Circulating chemical process pump
JP2604193Y2 (en) * 1993-11-16 2000-04-17 株式会社マキタ Spindle locking mechanism for rotary tools
JP2852604B2 (en) * 1994-05-10 1999-02-03 江東産業株式会社 Pulley puller
US6543113B1 (en) * 2000-04-18 2003-04-08 Cummins Engine Company, Inc. Tooling components for crankshaft seal removal and installation
US6622381B2 (en) * 2001-11-30 2003-09-23 Moyno, Inc. Method of manipulating a pump
DK1477681T3 (en) * 2003-05-16 2007-01-02 Sterling Fluid Sys Gmbh Liquid ring pump
DE102004052558A1 (en) * 2004-10-29 2006-05-04 Saurer Gmbh & Co. Kg gear pump
KR200425025Y1 (en) * 2006-06-19 2006-08-28 현대제철 주식회사 rotor removal jig for vacuum pump
US8127417B1 (en) * 2007-02-26 2012-03-06 American Airlines, Inc. Bearing assembly removal system and method
KR20090046453A (en) * 2007-11-06 2009-05-11 현대제철 주식회사 Rotor withdrawal jig for vacuum pump
JP6037948B2 (en) * 2013-06-12 2016-12-07 三菱日立パワーシステムズ株式会社 Rotating shaft lifting jig and rotating shaft lifting method
DE102013108322B4 (en) * 2013-08-02 2015-07-16 Netzsch Pumpen & Systeme Gmbh Clamping device and method for stationary fixation of a drive shaft
US9541086B2 (en) * 2013-10-01 2017-01-10 Gardner Denver Nash Llc Liquid ring pump with modular construction, an inter-stage bypass and overload protection
DE102014000846A1 (en) * 2014-01-27 2015-07-30 Klaus Union Gmbh & Co. Kg Screw Pump
GB201500619D0 (en) * 2015-01-15 2015-03-04 Rolls Royce Controls & Data Services Ltd Seal extraction tool
CN205261199U (en) * 2015-12-10 2016-05-25 合肥凌江汽车焊装有限公司 Safety device is overhauld to automobile parts welding equipment connecting rod formula
CN206668231U (en) * 2017-04-19 2017-11-24 大庆市晟威机械制造有限公司 Directly drive extracting device of oil in a kind of screw pump ground with reverse-rotation preventing function
KR101803843B1 (en) * 2017-08-24 2017-12-04 주식회사 백콤 Water ring vacuum pump for component change type
CN208416920U (en) * 2018-07-17 2019-01-22 克拉玛依红山油田有限责任公司 Three screw pump fixator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5120206A (en) * 1991-04-08 1992-06-09 Bridgestone/Firestone, Inc. Gear metering pump for compounded elastomeric material
US5423614A (en) * 1992-06-26 1995-06-13 Vooner Vacuum Pumps, Inc. Self aligning removable bearing carrier for a liquid ring vacuum pump
US20130209251A1 (en) * 2012-02-09 2013-08-15 Athanasios Diakomis Seal arrangement along the shaft of a liquid ring pump

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019175818A1 *

Also Published As

Publication number Publication date
EP3765742A1 (en) 2021-01-20
GB2571972B (en) 2021-01-20
WO2019175818A1 (en) 2019-09-19
US20210025390A1 (en) 2021-01-28
CN112105820A (en) 2020-12-18
EP3765742B1 (en) 2023-05-03
GB201804110D0 (en) 2018-04-25
GB2571972A (en) 2019-09-18

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