EP3978755A4 - Scroll compressor - Google Patents

Scroll compressor Download PDF

Info

Publication number
EP3978755A4
EP3978755A4 EP20836373.9A EP20836373A EP3978755A4 EP 3978755 A4 EP3978755 A4 EP 3978755A4 EP 20836373 A EP20836373 A EP 20836373A EP 3978755 A4 EP3978755 A4 EP 3978755A4
Authority
EP
European Patent Office
Prior art keywords
scroll compressor
scroll
compressor
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Withdrawn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
EP20836373.9A
Other languages
German (de)
French (fr)
Other versions
EP3978755A1 (en
Inventor
Toshiyuki Toyama
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries 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 Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP3978755A1 publication Critical patent/EP3978755A1/en
Publication of EP3978755A4 publication Critical patent/EP3978755A4/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Withdrawn legal-status Critical Current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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • 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
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/023—Lubricant distribution through a hollow driving shaft
    • 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
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/025—Lubrication; Lubricant separation using a lubricant 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
    • 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
    • F04C2240/40—Electric motor
    • 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)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
EP20836373.9A 2019-07-10 2020-05-22 Scroll compressor Withdrawn EP3978755A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019128815A JP2021014801A (en) 2019-07-10 2019-07-10 Scroll compressor
PCT/JP2020/020279 WO2021005895A1 (en) 2019-07-10 2020-05-22 Scroll compressor

Publications (2)

Publication Number Publication Date
EP3978755A1 EP3978755A1 (en) 2022-04-06
EP3978755A4 true EP3978755A4 (en) 2022-08-10

Family

ID=74114121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20836373.9A Withdrawn EP3978755A4 (en) 2019-07-10 2020-05-22 Scroll compressor

Country Status (5)

Country Link
US (1) US20220128056A1 (en)
EP (1) EP3978755A4 (en)
JP (1) JP2021014801A (en)
CN (1) CN113950581A (en)
WO (1) WO2021005895A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200025199A1 (en) 2018-07-17 2020-01-23 Air Squared, Inc. Dual drive co-rotating spinning scroll compressor or expander
US11898557B2 (en) * 2020-11-30 2024-02-13 Air Squared, Inc. Liquid cooling of a scroll type compressor with liquid supply through the crankshaft
EP4253720A3 (en) * 2023-08-08 2024-06-19 Pfeiffer Vacuum Technology AG Scroll vacuum pump and scroll vacuum pump system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802809A (en) * 1971-06-01 1974-04-09 P Vulliez Completely dry and fluid-tight vacuum pumps
JPH05164079A (en) * 1991-12-10 1993-06-29 Toshiba Corp Rotary shaft for compressor
DE102011010501A1 (en) * 2010-02-10 2011-08-11 DENSO CORPORATION, Aichi-pref. compressor
JP2013032729A (en) * 2011-08-01 2013-02-14 Denso Corp Compressor
JP2018021493A (en) * 2016-08-03 2018-02-08 ダイキン工業株式会社 Scroll compressor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2522459B2 (en) * 1990-10-04 1996-08-07 ダイキン工業株式会社 Scroll type fluid machine
CN203192281U (en) * 2013-04-28 2013-09-11 包乌云特古斯 Centrifugal force spin-drying demonstration instrument

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802809A (en) * 1971-06-01 1974-04-09 P Vulliez Completely dry and fluid-tight vacuum pumps
JPH05164079A (en) * 1991-12-10 1993-06-29 Toshiba Corp Rotary shaft for compressor
DE102011010501A1 (en) * 2010-02-10 2011-08-11 DENSO CORPORATION, Aichi-pref. compressor
JP2013032729A (en) * 2011-08-01 2013-02-14 Denso Corp Compressor
JP2018021493A (en) * 2016-08-03 2018-02-08 ダイキン工業株式会社 Scroll compressor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021005895A1 *

Also Published As

Publication number Publication date
WO2021005895A1 (en) 2021-01-14
CN113950581A (en) 2022-01-18
JP2021014801A (en) 2021-02-12
US20220128056A1 (en) 2022-04-28
EP3978755A1 (en) 2022-04-06

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