GB201818571D0 - A rotor for a twin shaft pump and a twin shaft pump - Google Patents

A rotor for a twin shaft pump and a twin shaft pump

Info

Publication number
GB201818571D0
GB201818571D0 GBGB1818571.0A GB201818571A GB201818571D0 GB 201818571 D0 GB201818571 D0 GB 201818571D0 GB 201818571 A GB201818571 A GB 201818571A GB 201818571 D0 GB201818571 D0 GB 201818571D0
Authority
GB
United Kingdom
Prior art keywords
twin shaft
shaft pump
rotor
pump
twin
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
GBGB1818571.0A
Other versions
GB2578923B (en
GB2578923A (en
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 GB1818571.0A priority Critical patent/GB2578923B/en
Publication of GB201818571D0 publication Critical patent/GB201818571D0/en
Priority to EP19208771.6A priority patent/EP3653881B1/en
Publication of GB2578923A publication Critical patent/GB2578923A/en
Application granted granted Critical
Publication of GB2578923B publication Critical patent/GB2578923B/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
    • 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
    • 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
    • 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
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • 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
    • F04C18/14—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 toothed rotary pistons
    • F04C18/16—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 toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw 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
    • F04C2230/00—Manufacture
    • F04C2230/90—Improving properties of machine 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
    • F04C2230/00—Manufacture
    • F04C2230/90—Improving properties of machine parts
    • F04C2230/91—Coating
    • 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
    • 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
    • F05C2203/00—Non-metallic inorganic materials
    • F05C2203/08—Ceramics; Oxides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
GB1818571.0A 2018-11-14 2018-11-14 A rotor for a twin shaft pump and a twin shaft pump Active GB2578923B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1818571.0A GB2578923B (en) 2018-11-14 2018-11-14 A rotor for a twin shaft pump and a twin shaft pump
EP19208771.6A EP3653881B1 (en) 2018-11-14 2019-11-13 Twin shaft pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1818571.0A GB2578923B (en) 2018-11-14 2018-11-14 A rotor for a twin shaft pump and a twin shaft pump

Publications (3)

Publication Number Publication Date
GB201818571D0 true GB201818571D0 (en) 2018-12-26
GB2578923A GB2578923A (en) 2020-06-03
GB2578923B GB2578923B (en) 2021-05-26

Family

ID=64739428

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1818571.0A Active GB2578923B (en) 2018-11-14 2018-11-14 A rotor for a twin shaft pump and a twin shaft pump

Country Status (2)

Country Link
EP (1) EP3653881B1 (en)
GB (1) GB2578923B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114658654B (en) * 2022-03-04 2023-08-15 中科仪(南通)半导体设备有限责任公司 Roots rotor

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3124247C1 (en) * 1981-06-19 1983-06-01 Boge Kompressoren Otto Boge Gmbh & Co Kg, 4800 Bielefeld Screw compressor
JPS59160084A (en) * 1983-03-02 1984-09-10 Nippon Denso Co Ltd Rotary fluid pressurizing and sending device
JPS62203990A (en) * 1986-03-03 1987-09-08 Ebara Res Co Ltd Roots-type pump
JPH03100390A (en) * 1989-09-12 1991-04-25 Hitachi Ltd Ceramic screw rotor and manufacture thereof
US5393209A (en) * 1993-03-29 1995-02-28 The United States Of America As Represented By The United States Department Of Energy Double-ended ceramic helical-rotor expander
US6354824B1 (en) * 2000-03-09 2002-03-12 Kudu Industries, Inc. Ceramic hardfacing for progressing cavity pump rotors
JP2005291135A (en) * 2004-04-01 2005-10-20 Kyocera Corp Multistage positive-displacement vacuum pump and its manufacturing method
GB2426036A (en) * 2005-05-10 2006-11-15 Bernard Whicher Vertical Northey compressor
US8075293B2 (en) * 2007-05-23 2011-12-13 Eaton Corporation Rotary blower with corrosion-resistant abradable coating
GB2477777B (en) * 2010-02-12 2012-05-23 Univ City Lubrication of screw expanders
JP2011231750A (en) * 2010-04-30 2011-11-17 Miura Co Ltd Rotary pump for steam compression
CN102269168A (en) * 2011-08-25 2011-12-07 山东理工大学 Rotor pump zirconia ceramic cam wheel and preparation method thereof
GB2501302B (en) * 2012-04-19 2016-08-31 The City Univ Reduced noise screw machines
CN105782046A (en) * 2016-05-09 2016-07-20 北京中兴实强陶瓷轴承有限公司 Magnetic drive ceramic cam rotor pump

Also Published As

Publication number Publication date
EP3653881B1 (en) 2023-02-15
EP3653881A1 (en) 2020-05-20
GB2578923B (en) 2021-05-26
GB2578923A (en) 2020-06-03

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