GB202109329D0 - Screw-type vacuum pump - Google Patents

Screw-type vacuum pump

Info

Publication number
GB202109329D0
GB202109329D0 GBGB2109329.9A GB202109329A GB202109329D0 GB 202109329 D0 GB202109329 D0 GB 202109329D0 GB 202109329 A GB202109329 A GB 202109329A GB 202109329 D0 GB202109329 D0 GB 202109329D0
Authority
GB
United Kingdom
Prior art keywords
screw
vacuum pump
type vacuum
type
pump
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.)
Pending
Application number
GBGB2109329.9A
Other versions
GB2608379A (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 GB2109329.9A priority Critical patent/GB2608379A/en
Publication of GB202109329D0 publication Critical patent/GB202109329D0/en
Priority to TW111124356A priority patent/TW202311627A/en
Priority to PCT/GB2022/051668 priority patent/WO2023275543A1/en
Publication of GB2608379A publication Critical patent/GB2608379A/en
Pending legal-status Critical Current

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
    • F04C18/082—Details specially related to intermeshing engagement type pumps
    • F04C18/084—Toothed wheels
    • 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
    • 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
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0021—Systems for the equilibration of forces acting on the pump
    • 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
    • F04C2230/605—Balancing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
GB2109329.9A 2021-06-29 2021-06-29 Screw-type vacuum pump Pending GB2608379A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB2109329.9A GB2608379A (en) 2021-06-29 2021-06-29 Screw-type vacuum pump
TW111124356A TW202311627A (en) 2021-06-29 2022-06-29 Screw-type vacuum pump
PCT/GB2022/051668 WO2023275543A1 (en) 2021-06-29 2022-06-29 Screw-type vacuum pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2109329.9A GB2608379A (en) 2021-06-29 2021-06-29 Screw-type vacuum pump

Publications (2)

Publication Number Publication Date
GB202109329D0 true GB202109329D0 (en) 2021-08-11
GB2608379A GB2608379A (en) 2023-01-04

Family

ID=77179501

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2109329.9A Pending GB2608379A (en) 2021-06-29 2021-06-29 Screw-type vacuum pump

Country Status (3)

Country Link
GB (1) GB2608379A (en)
TW (1) TW202311627A (en)
WO (1) WO2023275543A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116538089A (en) * 2023-06-08 2023-08-04 北京通嘉宏瑞科技有限公司 Rotor structure and vacuum pump

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE502265C2 (en) * 1991-09-03 1995-09-25 Opcon Autorotor Ab Rotor for a screw rotor machine
JP3354976B2 (en) * 1991-10-17 2002-12-09 株式会社荏原製作所 Screw rotor and method of manufacturing the same
GB2318156B (en) * 1995-04-07 1999-04-14 Tochigi Fuji Sangyo Kk Screw-type compressor
JPH0953581A (en) * 1995-08-14 1997-02-25 Tochigi Fuji Ind Co Ltd Fluid machinery
AU714936B2 (en) * 1996-09-12 2000-01-13 Ateliers Busch S.A. Screw rotor set
CN111396311A (en) * 2020-04-26 2020-07-10 陕西理工大学 Hollow screw rotor and processing method thereof

Also Published As

Publication number Publication date
TW202311627A (en) 2023-03-16
GB2608379A (en) 2023-01-04
WO2023275543A1 (en) 2023-01-05

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