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GB202304245D0 - Scroll pump and method of increased inlet condutance of a scroll pump - Google Patents

Scroll pump and method of increased inlet condutance of a scroll pump

Info

Publication number
GB202304245D0
GB202304245D0 GBGB2304245.0A GB202304245A GB202304245D0 GB 202304245 D0 GB202304245 D0 GB 202304245D0 GB 202304245 A GB202304245 A GB 202304245A GB 202304245 D0 GB202304245 D0 GB 202304245D0
Authority
GB
United Kingdom
Prior art keywords
scroll pump
condutance
increased inlet
scroll
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.)
Ceased
Application number
GBGB2304245.0A
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 GBGB2304245.0A priority Critical patent/GB202304245D0/en
Publication of GB202304245D0 publication Critical patent/GB202304245D0/en
Priority to EP24716445.2A priority patent/EP4684133A1/en
Priority to PCT/GB2024/050780 priority patent/WO2024194653A1/en
Priority to CN202480020524.9A priority patent/CN120835959A/en
Ceased 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
    • F04C18/0215—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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • 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
    • F04C18/0261—Details of the ports, e.g. location, number, geometry
    • 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/008—Hermetic pumps
    • 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
    • F04C2250/00—Geometry
    • F04C2250/10—Geometry of the inlet or outlet
    • F04C2250/101—Geometry of the inlet or outlet of the inlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
GBGB2304245.0A 2023-03-23 2023-03-23 Scroll pump and method of increased inlet condutance of a scroll pump Ceased GB202304245D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GBGB2304245.0A GB202304245D0 (en) 2023-03-23 2023-03-23 Scroll pump and method of increased inlet condutance of a scroll pump
EP24716445.2A EP4684133A1 (en) 2023-03-23 2024-03-22 Scroll pump
PCT/GB2024/050780 WO2024194653A1 (en) 2023-03-23 2024-03-22 Scroll pump
CN202480020524.9A CN120835959A (en) 2023-03-23 2024-03-22 Vortex pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB2304245.0A GB202304245D0 (en) 2023-03-23 2023-03-23 Scroll pump and method of increased inlet condutance of a scroll pump

Publications (1)

Publication Number Publication Date
GB202304245D0 true GB202304245D0 (en) 2023-05-10

Family

ID=86228127

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB2304245.0A Ceased GB202304245D0 (en) 2023-03-23 2023-03-23 Scroll pump and method of increased inlet condutance of a scroll pump

Country Status (4)

Country Link
EP (1) EP4684133A1 (en)
CN (1) CN120835959A (en)
GB (1) GB202304245D0 (en)
WO (1) WO2024194653A1 (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2841089A (en) * 1953-05-29 1958-07-01 Rand Dev Corp Scroll pump
FR1482910A (en) * 1966-03-23 1967-06-02 Volumetric pump
US4141677A (en) * 1977-08-15 1979-02-27 Ingersoll-Rand Company Scroll-type two stage positive fluid-displacement apparatus with intercooler
JPH02277991A (en) * 1989-04-20 1990-11-14 Tokico Ltd scroll type fluid machine
US20060099096A1 (en) * 2004-11-08 2006-05-11 Shaffer Robert W Scroll pump system
DE202007019039U1 (en) * 2007-09-12 2010-06-24 Fischer, Francesco Peter, Dipl.-Ing. Device for pumping a medium according to the Orbitalverdrängerprinzip
EP2280148B1 (en) * 2008-04-07 2018-09-12 Mitsubishi Electric Corporation Scroll fluid machine
CN106286279B (en) * 2016-10-17 2018-09-25 西安理工大学 A kind of double acting circle involute molded line vortex liquid pump
US10774833B2 (en) * 2017-01-11 2020-09-15 James William Bush Scroll-type machine

Also Published As

Publication number Publication date
WO2024194653A1 (en) 2024-09-26
EP4684133A1 (en) 2026-01-28
CN120835959A (en) 2025-10-24

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)