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GB2581382B - A pump and a method of pumping a gas - Google Patents

A pump and a method of pumping a gas Download PDF

Info

Publication number
GB2581382B
GB2581382B GB1902106.2A GB201902106A GB2581382B GB 2581382 B GB2581382 B GB 2581382B GB 201902106 A GB201902106 A GB 201902106A GB 2581382 B GB2581382 B GB 2581382B
Authority
GB
United Kingdom
Prior art keywords
pumping
pump
gas
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
GB1902106.2A
Other versions
GB201902106D0 (en
GB2581382A (en
Inventor
David Stones Ian
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 GB1902106.2A priority Critical patent/GB2581382B/en
Publication of GB201902106D0 publication Critical patent/GB201902106D0/en
Priority to KR1020217025550A priority patent/KR20210126599A/en
Priority to US17/429,845 priority patent/US20220213892A1/en
Priority to CN202080014275.4A priority patent/CN113396271B/en
Priority to PCT/GB2020/050338 priority patent/WO2020165592A1/en
Priority to EP20707777.7A priority patent/EP3924604A1/en
Priority to JP2021547453A priority patent/JP2022520444A/en
Publication of GB2581382A publication Critical patent/GB2581382A/en
Application granted granted Critical
Publication of GB2581382B publication Critical patent/GB2581382B/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
    • F04C18/22—Rotary-piston pumps specially adapted for elastic fluids of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth equivalents than the outer 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
    • F04C5/00—Rotary-piston machines or pumps with the working-chamber walls at least partly resiliently deformable
    • 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
    • F04C18/0207—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 both members having co-operating elements in spiral form
    • F04C18/0215—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 both members having co-operating elements in spiral form where only one member is moving
    • 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
    • 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
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/18—Centrifugal pumps characterised by use of centrifugal force of liquids entrained in pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F04D29/444—Bladed diffusers
    • 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
    • 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
    • F04C2240/60—Shafts
    • F04C2240/603—Shafts with internal channels for fluid distribution, e.g. hollow shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
GB1902106.2A 2019-02-15 2019-02-15 A pump and a method of pumping a gas Active GB2581382B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB1902106.2A GB2581382B (en) 2019-02-15 2019-02-15 A pump and a method of pumping a gas
KR1020217025550A KR20210126599A (en) 2019-02-15 2020-02-13 Pumps and methods for pumping gas
US17/429,845 US20220213892A1 (en) 2019-02-15 2020-02-13 A pump and a method of pumping a gas
CN202080014275.4A CN113396271B (en) 2019-02-15 2020-02-13 Pumps and methods of pumping gases
PCT/GB2020/050338 WO2020165592A1 (en) 2019-02-15 2020-02-13 A pump and a method of pumping a gas
EP20707777.7A EP3924604A1 (en) 2019-02-15 2020-02-13 A pump and a method of pumping a gas
JP2021547453A JP2022520444A (en) 2019-02-15 2020-02-13 How to pump and pump gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1902106.2A GB2581382B (en) 2019-02-15 2019-02-15 A pump and a method of pumping a gas

Publications (3)

Publication Number Publication Date
GB201902106D0 GB201902106D0 (en) 2019-04-03
GB2581382A GB2581382A (en) 2020-08-19
GB2581382B true GB2581382B (en) 2021-08-18

Family

ID=65998759

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1902106.2A Active GB2581382B (en) 2019-02-15 2019-02-15 A pump and a method of pumping a gas

Country Status (7)

Country Link
US (1) US20220213892A1 (en)
EP (1) EP3924604A1 (en)
JP (1) JP2022520444A (en)
KR (1) KR20210126599A (en)
CN (1) CN113396271B (en)
GB (1) GB2581382B (en)
WO (1) WO2020165592A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2597951A (en) * 2020-08-11 2022-02-16 Edwards Ltd Liquid blade pump

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1282803A (en) * 1969-03-20 1972-07-26 Tno Centrifugal liquid vane type compressor
GB1350853A (en) * 1971-06-21 1974-04-24 Nederlandse Appl Scient Res Centrifugal compressor
GB2565579A (en) * 2017-08-17 2019-02-20 Edwards Ltd A pump and method of pumping a fluid

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB576567A (en) * 1944-01-11 1946-04-10 Oldrich Marsal Improvements in rotary impelling devices
NL6902892A (en) * 1969-02-25 1970-08-27
GB1532015A (en) * 1976-02-20 1978-11-15 Secretary Industry Brit Fluid flow restrictors
GB1581860A (en) * 1978-05-19 1980-12-31 Secretary Industry Brit Control of fluid flow
JPS55134791A (en) * 1979-04-10 1980-10-20 Minoru Tanaka Exhaust blower with liquid blade
FR2629142A1 (en) * 1988-03-24 1989-09-29 Carrouset Pierre ROTARY MACHINE WITH NON-POSITIVE DISPLACEMENT FOR USE AS A PUMP, COMPRESSOR, PROPELLER OR DRIVE TURBINE
GB0322883D0 (en) * 2003-09-30 2003-10-29 Boc Group Plc Vacuum pump
JP2013057277A (en) * 2011-09-07 2013-03-28 Honda Motor Co Ltd Centrifugal pump
GB2498816A (en) * 2012-01-27 2013-07-31 Edwards Ltd Vacuum pump
CN105536396A (en) * 2016-02-03 2016-05-04 新疆工程学院 Spiral water film composite dedusting device
GB2565576B (en) * 2017-08-17 2020-03-04 Edwards Ltd A pump and a method of pumping a gas
CN107906086A (en) * 2017-10-17 2018-04-13 常州大学 A kind of sleeve type spiral flow generating apparatus
GB2597952A (en) * 2020-08-11 2022-02-16 Edwards Ltd Liquid blade pump

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1282803A (en) * 1969-03-20 1972-07-26 Tno Centrifugal liquid vane type compressor
GB1350853A (en) * 1971-06-21 1974-04-24 Nederlandse Appl Scient Res Centrifugal compressor
GB2565579A (en) * 2017-08-17 2019-02-20 Edwards Ltd A pump and method of pumping a fluid

Also Published As

Publication number Publication date
WO2020165592A9 (en) 2021-08-19
JP2022520444A (en) 2022-03-30
EP3924604A1 (en) 2021-12-22
GB201902106D0 (en) 2019-04-03
CN113396271B (en) 2023-10-03
US20220213892A1 (en) 2022-07-07
KR20210126599A (en) 2021-10-20
GB2581382A (en) 2020-08-19
WO2020165592A1 (en) 2020-08-20
CN113396271A (en) 2021-09-14

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