EP3575602B1 - Spiralverdichter - Google Patents

Spiralverdichter Download PDF

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Publication number
EP3575602B1
EP3575602B1 EP18745309.7A EP18745309A EP3575602B1 EP 3575602 B1 EP3575602 B1 EP 3575602B1 EP 18745309 A EP18745309 A EP 18745309A EP 3575602 B1 EP3575602 B1 EP 3575602B1
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EP
European Patent Office
Prior art keywords
oil
scroll
intermediate pressure
orbiting
mirror plate
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
EP18745309.7A
Other languages
English (en)
French (fr)
Other versions
EP3575602A1 (de
EP3575602A4 (de
Inventor
Tsutomu Kon
Satoshi Iitsuka
Kazuya Sato
Daisuke Ogi
Akinori Fukuda
Hiroki TAGAMI
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.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
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Publication date
Application filed by Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of EP3575602A1 publication Critical patent/EP3575602A1/de
Publication of EP3575602A4 publication Critical patent/EP3575602A4/de
Application granted granted Critical
Publication of EP3575602B1 publication Critical patent/EP3575602B1/de
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Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • 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
    • F04C29/028—Means for improving or restricting lubricant flow

Definitions

  • the orbiting scroll mirror plate is provided with a second oil introduction hole which opens from the intermediate pressure region, a second oil derivation hole which opens from a low pressure space of the compression chamber and a second mirror plate oil communication path for bringing the second oil introduction hole and the second oil derivation hole into communication with each other, and the lubricant oil introduced into the intermediate pressure region is introduced in to the low pressure space of the compression chamber through the second mirror plate oil communication path.
  • the hermetic container 1 is composed of a torso 1a extending along a vertical direction and formed into a cylindrical shape, an upper lid 1c for closing an upper opening of the torso 1a, and a lower lid 1b for closing a lower opening of the torso 1a.
  • the electric mechanism 20 includes a stator 21 fixed to the hermetic container 1, and a rotor 22 placed on an inner side of the stator 21.
  • the rotation shaft 13 is fixed to the rotor 22.
  • An eccentric shaft 13a which is decentered eccentrically with respect to the rotation shaft 13 is formed on an upper end of the rotation shaft 13.
  • a lower end 13b of the rotation shaft 13 is pivotally supported by an auxiliary bearing 18 placed on a lower portion of the hermetic container 1.
  • the fixed scroll sliding surface 11e is provided with a sliding surface groove 54 which is in communication with the intermediate pressure region B.
  • the first oil derivation hole 52 comes into communication with the sliding surface groove 54 in the rotation position where the eccentric shaft center C of the eccentric shaft 13a comes closest to the sliding surface groove 54, and the first oil derivation hole 52 does not come into the communication in other positions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Claims (5)

  1. Spiralverdichter, bei dem
    eine Verdichtungseinrichtung (10) zum Verdichten von Kältemittel und eine elektrische Einrichtung (20) zum Antreiben der Verdichtungseinrichtung (10) in einem hermetischen Behälter (1) angeordnet sind,
    in einem Boden des hermetischen Behälters (1) ein Ölspeicherabschnitt (4) ausgebildet ist, um darin Schmieröl zu speichern,
    die Verdichtungseinrichtung (10) eine feststehende Spirale (11), eine umlaufende Spirale (12) und eine vertikale Drehwelle (13) zum Antreiben der umlaufenden Spirale (12) in einer umlaufenden Weise umfasst,
    die feststehende Spirale (11) eine scheibenförmige, feststehende Spiralspiegelplatte (11a) und eine feststehende Spiralwindung (11b) aufweist, die auf der feststehenden Spiralspiegelplatte (11a) steht,
    die umlaufende Spirale (12) eine scheibenförmige, umlaufende Spiralspiegelplatte (12a), eine umlaufende Spiralwindung (12b), die auf einer windungsseitigen Endfläche der umlaufenden Spiralspiegelplatte (12a) steht, und einen Nabenabschnitt (12c), der auf einer der windungsseitigen Endfläche der umlaufenden Spiralspiegelplatte (12a) gegenüberliegenden Seite ausgebildet ist, umfasst,
    eine Exzenterwelle (13a), die in den Nabenabschnitt (12c) eingesetzt ist, an einem oberen Ende der Drehwelle (13) ausgebildet ist,
    die feststehende Spiralwindung (11b) und die umlaufende Spiralwindung (12b) miteinander in Eingriff stehen und eine Vielzahl von Verdichterkammern (15) zwischen der feststehenden Spiralwindung (11b) und der umlaufenden Spiralwindung (12b) ausgebildet sind,
    ein Hauptlager (30) zum Stützen der feststehenden Spirale (11) und der umlaufenden Spirale (12) unter der feststehenden Spirale (11) und der umlaufenden Spirale (12) vorgesehen ist,
    in dem Hauptlager (30) ein Lager (31) zum schwenkbaren Lagern der Drehwelle (13) und ein Nabenlagerabschnitt (32), um darin den Nabenabschnitt (12c) zu lagern, ausgebildet sind,
    ein Rotationsbegrenzungselement (17) zum Begrenzen der Rotation der umlaufenden Spirale (12) zwischen der feststehenden Spirale (11) und dem Hauptlager (30) vorgesehen ist,
    in der Drehwelle (13) ein Drehwellen-Ölunterstützungsloch (13c) ausgebildet ist, das sich von einem unteren Ende (13b) der Drehwelle (13) zu der Exzenterwelle (13a) erstreckt, und
    die umlaufende Spiralspiegelplatte (12a) versehen ist mit einem ersten Öleinführungsloch (51), das in dem Nabenabschnitt (12c) ausgebildet ist, einem ersten Ölableitungsloch (52), das in einem Außenrand der windungsseitigen Endfläche ausgebildet ist, und einem ersten Spiegelplatten-Ölverbindungspfad (53), um das erste Öleinführungsloch (51) und das erste Ölableitungsloch (52) miteinander in Verbindung zu bringen, wobei
    ein Ölreservoir (80) in einer oberen Fläche der Exzenterwelle (13a) ausgebildet ist, und
    das Ölreservoir (80) radial außerhalb eines Drehwellenzentrums der Drehwelle (13), aber radial innerhalb des ersten Öleinführungslochs (51), in Bezug auf das Drehwellenzentrum der Drehwelle (13), angeordnet ist,
    dadurch gekennzeichnet, dass
    der Nabenlagerabschnitt (32) ein Hochdruckbereich ist, ein Außenrand der umlaufenden Spirale (12), an dem das Rotationsbegrenzungselement (17) angeordnet ist, ein Zwischendruckbereich ist, der mit einer Zwischendruckentnahmeöffnung (41) in der Verdichterkammer (15) in Verbindung steht, und die umlaufende Spirale (12) gegen die feststehende Spirale (11) gedrückt wird,
    die feststehende Spirale (11) mit einer Gleitfläche (11e) für die feststehende Spirale versehen ist, die in Bezug auf die Spiegelplatte (12a) der umlaufenden Spirale gleitet, die näher an einem Außenrand der umlaufenden Spiralwindung (12b) als die umlaufende Spiralwindung (12b) angeordnet ist,
    der Zwischendruckbereich an einer Stelle ausgebildet ist, die näher am Außenrand der umlaufenden Spiralwindung (12b) liegt als die Gleitfläche (11e) der feststehende Spirale,
    die Gleitfläche (11e) der feststehende Spirale mit einer Gleitflächenrille (54) versehen ist, die mit dem Zwischendruckbereich in Verbindung steht,
    das in dem Ölspeicherabschnitt (4) gespeicherte Schmieröl durch das Ölstützloch (13c) der Drehwelle in den Nabenabschnitt (12c) eingeleitet wird,
    das in den Nabenteil (12c) eingeleitete Schmieröl durch den ersten Spiegelplatten-Ölverbindungspfad (53) in die Gleitflächenrille (54) eingeleitet wird, und
    das in die Gleitflächenrille (54) eingeleitete Schmieröl in den Zwischendruckbereich eingeleitet wird.
  2. Spiralverdichter nach Anspruch 1, wobei das erste Ölableitungsloch (52) und die Gleitflächenrille (54) in einer Drehposition miteinander in Verbindung gebracht werden, in der eine Exzenterwellenmitte der Exzenterwelle (13a) der Gleitflächenrille am nächsten kommt.
  3. Spiralverdichter nach Anspruch 1 oder 2, wobei
    als Verdichterkammer (15) eine erste Verdichterkammer (15A) an einer Außenwandseite der umlaufenden Spiralwindung (12b) ausgebildet ist und eine zweite Verdichterkammer (15B) an einer Innenwandseite der umlaufenden Spiralwindung (12b) ausgebildet ist,
    ein Ansaugvolumen der ersten Verdichterkammer (15A) größer gemacht wird als ein Ansaugvolumen der zweiten Verdichterkammer (15B),
    die feststehende Spiralspiegelplatte (11a) mit einer Zwischendruckentnahmeöffnung (41) versehen ist, durch die Zwischendruck aus der Verdichterkammer (15) entnommen wird, und
    ein Zwischendruckverbindungspfad (42), um die Zwischendruckentnahmeöffnung (41) und den Zwischendruckbereich miteinander in Verbindung zu bringen, in der feststehenden Spirale (11) ausgebildet ist.
  4. Spiralverdichter nach Anspruch 3, wobei
    ein Hochdruckverbindungspfad (71), um die Zwischendruckentnahmeöffnung (41) und einen Hochdruckraum in dem hermetischen Behälter (1) miteinander in Verbindung zu bringen, in der feststehenden Spirale (11) ausgebildet ist, und
    ein Ausgleichsventil (73) in einer Hochdrucköffnung (72) des Hochdruckverbindungspfades (71) vorgesehen ist.
  5. Spiralverdichter nach einem der Ansprüche 2 bis 4, wobei
    die umlaufende Spiralspiegelplatte (12a) mit einem zweiten Öleinführungsloch (61), das sich vom Zwischendruckbereich aus öffnet, einem zweiten Ölableitungsloch (62), das sich von einem Niederdruckraum der Verdichterkammer (15) aus öffnet, und einem zweiten Spiegelplatten-Ölverbindungspfad (63) versehen ist, um das zweite Öleinführungsloch (61) und das zweite Ölableitungsloch (62) miteinander in Verbindung zu bringen, und
    das in den Zwischendruckbereich eingeleitete Schmieröl durch den zweiten Spiegelplatten-Ölverbindungspfad (63) in den Niederdruckraum der Verdichterkammer (15) eingeleitet wird.
EP18745309.7A 2017-01-27 2018-01-17 Spiralverdichter Active EP3575602B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017012608A JP6709971B2 (ja) 2017-01-27 2017-01-27 スクロール圧縮機
PCT/JP2018/001201 WO2018139309A1 (ja) 2017-01-27 2018-01-17 スクロール圧縮機

Publications (3)

Publication Number Publication Date
EP3575602A1 EP3575602A1 (de) 2019-12-04
EP3575602A4 EP3575602A4 (de) 2020-01-01
EP3575602B1 true EP3575602B1 (de) 2023-01-04

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Family Applications (1)

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EP18745309.7A Active EP3575602B1 (de) 2017-01-27 2018-01-17 Spiralverdichter

Country Status (4)

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EP (1) EP3575602B1 (de)
JP (1) JP6709971B2 (de)
CN (1) CN110234881B (de)
WO (1) WO2018139309A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7186055B2 (ja) * 2018-10-11 2022-12-08 三菱重工サーマルシステムズ株式会社 スクロール圧縮機
WO2021124973A1 (ja) * 2019-12-20 2021-06-24 パナソニックＩｐマネジメント株式会社 スクロール圧縮機
JP7689304B2 (ja) * 2021-06-18 2025-06-06 パナソニックＩｐマネジメント株式会社 スクロール圧縮機
KR102817799B1 (ko) * 2023-04-03 2025-06-10 엘지전자 주식회사 스크롤 압축기

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4545747A (en) * 1982-12-17 1985-10-08 Hitachi, Ltd. Scroll-type compressor
EP0479421A1 (de) * 1990-10-01 1992-04-08 Copeland Corporation Spiralverdichter mit schwimmender Abdichtung
US5547355A (en) * 1994-02-01 1996-08-20 Mitsubishi Jukogyo Kabushiki Kaisha Scroll type machine having means to prevent or suppress deflection of legs of scroll-supporting frame
JPH09329090A (ja) * 1996-06-12 1997-12-22 Toshiba Corp スクロール式圧縮機
US20160363121A1 (en) * 2014-06-20 2016-12-15 Panasonic Intellectual Property Management Co., Ltd. Scroll compressor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62142885A (ja) * 1985-12-16 1987-06-26 Mitsubishi Electric Corp スクロ−ル圧縮機
JPH03105091A (ja) * 1989-09-18 1991-05-01 Daikin Ind Ltd スクロール形圧縮機
JP3575201B2 (ja) * 1996-12-25 2004-10-13 ダイキン工業株式会社 スクロール形流体機械
JP3584781B2 (ja) * 1999-05-20 2004-11-04 株式会社日立製作所 スクロール圧縮機及び冷凍装置
JP5061584B2 (ja) * 2006-11-15 2012-10-31 パナソニック株式会社 スクロール圧縮機
JP2008274964A (ja) * 2008-08-18 2008-11-13 Daikin Ind Ltd スクロール型圧縮機
JP2011012621A (ja) * 2009-07-03 2011-01-20 Daikin Industries Ltd スクロール圧縮機
JP5152359B2 (ja) * 2011-03-23 2013-02-27 ダイキン工業株式会社 スクロール型圧縮機
CN103629111B (zh) * 2012-08-27 2016-08-24 湖南汤普悦斯压缩机科技有限公司 一种半封涡旋压缩机
JP5765379B2 (ja) * 2013-08-10 2015-08-19 ダイキン工業株式会社 スクロール圧縮機
JP2015090093A (ja) * 2013-11-05 2015-05-11 ダイキン工業株式会社 スクロール圧縮機
US11078913B2 (en) * 2015-06-30 2021-08-03 Bitzer Kuehlmaschinenbau Gmbh Two-piece suction fitting

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4545747A (en) * 1982-12-17 1985-10-08 Hitachi, Ltd. Scroll-type compressor
EP0479421A1 (de) * 1990-10-01 1992-04-08 Copeland Corporation Spiralverdichter mit schwimmender Abdichtung
US5547355A (en) * 1994-02-01 1996-08-20 Mitsubishi Jukogyo Kabushiki Kaisha Scroll type machine having means to prevent or suppress deflection of legs of scroll-supporting frame
JPH09329090A (ja) * 1996-06-12 1997-12-22 Toshiba Corp スクロール式圧縮機
US20160363121A1 (en) * 2014-06-20 2016-12-15 Panasonic Intellectual Property Management Co., Ltd. Scroll compressor

Also Published As

Publication number Publication date
EP3575602A1 (de) 2019-12-04
JP6709971B2 (ja) 2020-06-17
CN110234881B (zh) 2021-07-30
EP3575602A4 (de) 2020-01-01
WO2018139309A1 (ja) 2018-08-02
CN110234881A (zh) 2019-09-13
JP2018119504A (ja) 2018-08-02

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