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GB2559134B - Pump assemblies with stator joint seals - Google Patents

Pump assemblies with stator joint seals Download PDF

Info

Publication number
GB2559134B
GB2559134B GB1701266.7A GB201701266A GB2559134B GB 2559134 B GB2559134 B GB 2559134B GB 201701266 A GB201701266 A GB 201701266A GB 2559134 B GB2559134 B GB 2559134B
Authority
GB
United Kingdom
Prior art keywords
pump assemblies
joint seals
stator joint
stator
seals
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.)
Active
Application number
GB1701266.7A
Other versions
GB2559134A (en
GB201701266D0 (en
Inventor
Ernest Kinnaird Holbrook Alan
Paul Schofield Nigel
Murtaza Mirza Ikram
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 Ltd
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
Priority to GB1701266.7A priority Critical patent/GB2559134B/en
Publication of GB201701266D0 publication Critical patent/GB201701266D0/en
Priority to KR1020197021835A priority patent/KR20190107041A/en
Priority to EP18702791.7A priority patent/EP3574186A1/en
Priority to CN201880008496.3A priority patent/CN110199089A/en
Priority to PCT/GB2018/050192 priority patent/WO2018138487A1/en
Priority to TW107102683A priority patent/TWI750305B/en
Publication of GB2559134A publication Critical patent/GB2559134A/en
Application granted granted Critical
Publication of GB2559134B publication Critical patent/GB2559134B/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
    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C19/00—Sealing arrangements in rotary-piston machines or engines
    • F01C19/005—Structure and composition of sealing elements such as sealing strips, sealing rings and the like; Coating of these elements
    • 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
    • F01C19/00—Sealing arrangements in rotary-piston machines or engines
    • F01C19/12—Sealing arrangements in rotary-piston machines or engines for other than working fluid
    • 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
    • F01C21/02—Arrangements of bearings
    • 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
    • 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
    • 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
    • F04C2240/20—Rotors
    • 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
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/57—Seals

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gasket Seals (AREA)
GB1701266.7A 2017-01-25 2017-01-25 Pump assemblies with stator joint seals Active GB2559134B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB1701266.7A GB2559134B (en) 2017-01-25 2017-01-25 Pump assemblies with stator joint seals
PCT/GB2018/050192 WO2018138487A1 (en) 2017-01-25 2018-01-23 Pump assemblies with stator joint seals
EP18702791.7A EP3574186A1 (en) 2017-01-25 2018-01-23 Pump assemblies with stator joint seals
CN201880008496.3A CN110199089A (en) 2017-01-25 2018-01-23 Pump assembly with stator splice seal
KR1020197021835A KR20190107041A (en) 2017-01-25 2018-01-23 Pump Assembly with Stator Joint Seal
TW107102683A TWI750305B (en) 2017-01-25 2018-01-25 Pump assemblies with stator joint seals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1701266.7A GB2559134B (en) 2017-01-25 2017-01-25 Pump assemblies with stator joint seals

Publications (3)

Publication Number Publication Date
GB201701266D0 GB201701266D0 (en) 2017-03-08
GB2559134A GB2559134A (en) 2018-08-01
GB2559134B true GB2559134B (en) 2020-07-29

Family

ID=58463017

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1701266.7A Active GB2559134B (en) 2017-01-25 2017-01-25 Pump assemblies with stator joint seals

Country Status (6)

Country Link
EP (1) EP3574186A1 (en)
KR (1) KR20190107041A (en)
CN (1) CN110199089A (en)
GB (1) GB2559134B (en)
TW (1) TWI750305B (en)
WO (1) WO2018138487A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2575987A (en) * 2018-07-30 2020-02-05 Edwards Ltd Seal assembly
GB2591500B (en) * 2020-01-30 2022-11-30 Edwards Ltd A pump and a set of seals sealing the stator components of such a pump
FR3124235B1 (en) * 2021-07-20 2023-06-09 Pfeiffer Vacuum Vacuum pump
GB2614285B (en) 2021-12-23 2024-03-06 Edwards Ltd Vacuum pump with reduced seal requirements

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090110578A1 (en) * 2007-10-30 2009-04-30 Moyno, Inc. Progressing cavity pump with split stator
JP2011185224A (en) * 2010-03-10 2011-09-22 Ulvac Japan Ltd Airtight container and vacuum pump
GB2489248A (en) * 2011-03-22 2012-09-26 Edwards Ltd Vacuum pump with stator joint seals

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5516122A (en) * 1993-12-10 1996-05-14 Caffee; Barry K. Ultra high vacuum elastomer seal
CN200949526Y (en) * 2006-09-27 2007-09-19 孙坚伟 Sealing device of vortex compressor
GB0712779D0 (en) * 2007-07-02 2007-08-08 Edwards Ltd Seal
CN101153597B (en) * 2007-07-13 2010-12-29 上海飞和实业集团有限公司 Energy-saving single-bolt compressor
GB0719394D0 (en) * 2007-10-04 2007-11-14 Edwards Ltd A multi stage clam shell vacuum pump
US20110256003A1 (en) * 2009-05-20 2011-10-20 Ulvac, Inc. Dry vacuum pump
CN201461409U (en) * 2009-07-16 2010-05-12 上海日立电器有限公司 Back pressure cavity sealing structure for turbine-driven compressor
JP5370298B2 (en) * 2010-07-14 2013-12-18 株式会社豊田自動織機 Roots fluid machinery
PL2815127T3 (en) * 2012-02-17 2018-08-31 Netzsch Pumpen & Systeme Gmbh Rotary piston pump
JP5516651B2 (en) * 2012-06-14 2014-06-11 ダイキン工業株式会社 Scroll compressor
JP2016079877A (en) * 2014-10-16 2016-05-16 株式会社日立産機システム Screw compressor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090110578A1 (en) * 2007-10-30 2009-04-30 Moyno, Inc. Progressing cavity pump with split stator
JP2011185224A (en) * 2010-03-10 2011-09-22 Ulvac Japan Ltd Airtight container and vacuum pump
GB2489248A (en) * 2011-03-22 2012-09-26 Edwards Ltd Vacuum pump with stator joint seals

Also Published As

Publication number Publication date
TW201833442A (en) 2018-09-16
WO2018138487A1 (en) 2018-08-02
TWI750305B (en) 2021-12-21
CN110199089A (en) 2019-09-03
GB2559134A (en) 2018-08-01
GB201701266D0 (en) 2017-03-08
KR20190107041A (en) 2019-09-18
EP3574186A1 (en) 2019-12-04

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