GB2548607B - Scroll pump tip sealing - Google Patents

Scroll pump tip sealing Download PDF

Info

Publication number
GB2548607B
GB2548607B GB1604961.1A GB201604961A GB2548607B GB 2548607 B GB2548607 B GB 2548607B GB 201604961 A GB201604961 A GB 201604961A GB 2548607 B GB2548607 B GB 2548607B
Authority
GB
United Kingdom
Prior art keywords
scroll pump
tip sealing
pump tip
sealing
scroll
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
GB1604961.1A
Other versions
GB2548607A (en
GB201604961D0 (en
Inventor
Paul Schofield Nigel
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 GB1604961.1A priority Critical patent/GB2548607B/en
Publication of GB201604961D0 publication Critical patent/GB201604961D0/en
Priority to PCT/GB2017/050688 priority patent/WO2017163017A1/en
Priority to DE112017001468.9T priority patent/DE112017001468T5/en
Priority to TW106109483A priority patent/TW201740022A/en
Publication of GB2548607A publication Critical patent/GB2548607A/en
Application granted granted Critical
Publication of GB2548607B publication Critical patent/GB2548607B/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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/005—Axial sealings for working fluid
    • 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
    • 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
    • F04C2220/00—Application
    • F04C2220/10—Vacuum
    • F04C2220/12—Dry running
    • 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
    • F04C2240/50—Bearings
    • 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
    • F04C2240/80—Other components
    • F04C2240/807—Balance weight, counterweight
    • 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
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/04—PTFE [PolyTetraFluorEthylene]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
GB1604961.1A 2016-03-23 2016-03-23 Scroll pump tip sealing Active GB2548607B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB1604961.1A GB2548607B (en) 2016-03-23 2016-03-23 Scroll pump tip sealing
PCT/GB2017/050688 WO2017163017A1 (en) 2016-03-23 2017-03-14 Scroll pump tip sealing
DE112017001468.9T DE112017001468T5 (en) 2016-03-23 2017-03-14 Scroll pump tip seal
TW106109483A TW201740022A (en) 2016-03-23 2017-03-22 Scroll pump tip sealing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1604961.1A GB2548607B (en) 2016-03-23 2016-03-23 Scroll pump tip sealing

Publications (3)

Publication Number Publication Date
GB201604961D0 GB201604961D0 (en) 2016-05-04
GB2548607A GB2548607A (en) 2017-09-27
GB2548607B true GB2548607B (en) 2020-05-06

Family

ID=55968789

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1604961.1A Active GB2548607B (en) 2016-03-23 2016-03-23 Scroll pump tip sealing

Country Status (4)

Country Link
DE (1) DE112017001468T5 (en)
GB (1) GB2548607B (en)
TW (1) TW201740022A (en)
WO (1) WO2017163017A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7120902B2 (en) * 2018-12-14 2022-08-17 住友重機械工業株式会社 airtight device
GB2585903B (en) * 2019-07-22 2021-12-08 Edwards Ltd Scroll Pump
DE102020117373A1 (en) 2020-07-01 2022-01-05 Hanon Systems Scroll compressor for compressing a refrigerant and process for oil enrichment and distribution
GB2625552A (en) * 2022-12-20 2024-06-26 Edwards Ltd Seal for scroll pump

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986799A (en) * 1975-11-03 1976-10-19 Arthur D. Little, Inc. Fluid-cooled, scroll-type, positive fluid displacement apparatus
EP0012615A1 (en) * 1978-12-15 1980-06-25 Sankyo Electric Company Limited Improvements in scroll type fluid compressor units
US4487560A (en) * 1981-09-22 1984-12-11 Hitachi, Ltd. Scroll fluid compressor with surface finished flat plates engaging the wraps
US5616015A (en) * 1995-06-07 1997-04-01 Varian Associates, Inc. High displacement rate, scroll-type, fluid handling apparatus
WO2000006906A1 (en) * 1998-07-30 2000-02-10 Varian, Inc. Scroll-type vacuum pump

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU632332B2 (en) * 1989-06-20 1992-12-24 Sanden Corporation Scroll type fluid displacement apparatus
US5366359A (en) * 1993-08-20 1994-11-22 General Motors Corporation Scroll compressor orbital scroll drive and anti-rotation assembly
JP2001329967A (en) * 2000-05-24 2001-11-30 Toyota Industries Corp Seal structure of scroll type compressor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986799A (en) * 1975-11-03 1976-10-19 Arthur D. Little, Inc. Fluid-cooled, scroll-type, positive fluid displacement apparatus
EP0012615A1 (en) * 1978-12-15 1980-06-25 Sankyo Electric Company Limited Improvements in scroll type fluid compressor units
US4487560A (en) * 1981-09-22 1984-12-11 Hitachi, Ltd. Scroll fluid compressor with surface finished flat plates engaging the wraps
US5616015A (en) * 1995-06-07 1997-04-01 Varian Associates, Inc. High displacement rate, scroll-type, fluid handling apparatus
WO2000006906A1 (en) * 1998-07-30 2000-02-10 Varian, Inc. Scroll-type vacuum pump

Also Published As

Publication number Publication date
TW201740022A (en) 2017-11-16
GB2548607A (en) 2017-09-27
DE112017001468T5 (en) 2018-12-20
GB201604961D0 (en) 2016-05-04
WO2017163017A1 (en) 2017-09-28

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