GB201801435D0 - Scroll vacuum pump - Google Patents

Scroll vacuum pump

Info

Publication number
GB201801435D0
GB201801435D0 GBGB1801435.7A GB201801435A GB201801435D0 GB 201801435 D0 GB201801435 D0 GB 201801435D0 GB 201801435 A GB201801435 A GB 201801435A GB 201801435 D0 GB201801435 D0 GB 201801435D0
Authority
GB
United Kingdom
Prior art keywords
vacuum pump
scroll vacuum
scroll
pump
vacuum
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.)
Withdrawn
Application number
GBGB1801435.7A
Other versions
GB2570502A (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 GB1801435.7A priority Critical patent/GB2570502A/en
Publication of GB201801435D0 publication Critical patent/GB201801435D0/en
Priority to PCT/GB2019/050119 priority patent/WO2019145680A1/en
Publication of GB2570502A publication Critical patent/GB2570502A/en
Withdrawn legal-status Critical Current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
    • F04C18/02—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
    • F04C18/023—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 both members are 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
    • F04C18/02—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
    • F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
    • F04C18/0253—Details concerning the base
    • 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
    • F04C29/04—Heating; Cooling; Heat insulation
    • 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)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary Pumps (AREA)
GB1801435.7A 2018-01-29 2018-01-29 Scroll vacuum pump Withdrawn GB2570502A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1801435.7A GB2570502A (en) 2018-01-29 2018-01-29 Scroll vacuum pump
PCT/GB2019/050119 WO2019145680A1 (en) 2018-01-29 2019-01-17 Scroll vacuum pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1801435.7A GB2570502A (en) 2018-01-29 2018-01-29 Scroll vacuum pump

Publications (2)

Publication Number Publication Date
GB201801435D0 true GB201801435D0 (en) 2018-03-14
GB2570502A GB2570502A (en) 2019-07-31

Family

ID=61558309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1801435.7A Withdrawn GB2570502A (en) 2018-01-29 2018-01-29 Scroll vacuum pump

Country Status (2)

Country Link
GB (1) GB2570502A (en)
WO (1) WO2019145680A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1182333A (en) * 1997-09-12 1999-03-26 Kimie Nakamura Scroll fluid machine
JP2000345972A (en) * 1999-06-07 2000-12-12 Hitachi Ltd Double-toothed scroll compressor
JP2003343203A (en) * 2002-05-30 2003-12-03 Anest Iwata Corp Scroll type fluid machine provided with compression and expansion parts
JP4837416B2 (en) * 2006-03-27 2011-12-14 アネスト岩田株式会社 Scroll fluid machinery
CA2594440A1 (en) * 2006-07-24 2008-01-24 Tecumseh Products Company Scroll compressor
US8177534B2 (en) * 2008-10-30 2012-05-15 Advanced Scroll Technologies (Hangzhou), Inc. Scroll-type fluid displacement apparatus with improved cooling system

Also Published As

Publication number Publication date
WO2019145680A1 (en) 2019-08-01
GB2570502A (en) 2019-07-31

Similar Documents

Publication Publication Date Title
EP3779202A4 (en) Vacuum pump
EP3580460A4 (en) Epitrochoidal vacuum pump
GB201610896D0 (en) Vacuum scroll pump
GB201520878D0 (en) Dry vacuum scroll pump
CA188020S (en) Vacuum pump
GB2578899B (en) Vacuum pump
EP4119795A4 (en) Vacuum pump
GB202206036D0 (en) Vacuum pump
CA188489S (en) Vacuum pump
GB201801250D0 (en) Scroll pump
GB201905823D0 (en) Adjustable scroll pump
GB2579665B (en) Multi-stage turbomolecular pump
ZA201901311B (en) Suction pumps
GB201801435D0 (en) Scroll vacuum pump
GB2590663B (en) Vacuum pump
GB2541771B (en) Vacuum pump system including scroll pump and secondary pumping mechanism
GB201919167D0 (en) Multi-stae vacuum pump
GB201917775D0 (en) Vacuum pump
GB2606544B (en) Pumps
GB2606542B (en) Pumps
GB201914605D0 (en) Vacuum pump
GB2585903B (en) Scroll Pump
GB201820337D0 (en) Vacuum pump
GB2581387B (en) Scroll pump
GB201901814D0 (en) Vacuum pump

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)