EP3388673A1 - Spiralverdichter - Google Patents

Spiralverdichter Download PDF

Info

Publication number
EP3388673A1
EP3388673A1 EP17752966.6A EP17752966A EP3388673A1 EP 3388673 A1 EP3388673 A1 EP 3388673A1 EP 17752966 A EP17752966 A EP 17752966A EP 3388673 A1 EP3388673 A1 EP 3388673A1
Authority
EP
European Patent Office
Prior art keywords
balance weight
outer diameter
inner diameter
bearing member
thrust 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.)
Withdrawn
Application number
EP17752966.6A
Other languages
English (en)
French (fr)
Other versions
EP3388673A4 (de
Inventor
Yoshiaki Miyamoto
Yoshiyuki Kimata
Hajime Sato
Toshiyuki Goto
Takashi Watanabe
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.)
Mitsubishi Heavy Industries Thermal Systems Ltd
Original Assignee
Mitsubishi Heavy Industries Thermal Systems 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 Mitsubishi Heavy Industries Thermal Systems Ltd filed Critical Mitsubishi Heavy Industries Thermal Systems Ltd
Publication of EP3388673A1 publication Critical patent/EP3388673A1/de
Publication of EP3388673A4 publication Critical patent/EP3388673A4/de
Withdrawn legal-status Critical Current

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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
    • 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
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/807—Balance weight, counterweight

Definitions

  • an inner diameter increasing portion 6a is formed in the bearing member 6.
  • the inner diameter increasing portion 6a has an inner conical surface shape having an inner diameter which gradually increases toward the inner peripheral overlap portion 41A side.
  • the inner diameter increasing portion 6a and the outer diameter decreasing portion 41b of the inner peripheral overlap portion 41A overlap each other in the radial direction and the axial direction, and are parallel to other with a predetermined gap to face each other.
  • the inner diameter increasing portion 32a having the inner diameter which gradually increases toward the main balance weight 41 side is formed on the inner diameter portion of the thrust plate 32 on the main balance weight 41 (41A) side while the outer diameter decreasing portion 41a having the outer diameter which gradually decreases toward the thrust plate 32 side is formed on the end portion of the main balance weight 41 (inner peripheral overlap portion 41A) on the thrust plate 32 side, and the outer diameter decreasing portion 41a of the main balance weight 41 and the inner diameter increasing portion 32a of the thrust plate 32 overlap each other in the radial direction and the axial direction.
  • an outer diameter of an intermediate portion of the bearing member 6, that is, an outer diameter of a portion between the radial bearing portion 6A and the fixing portion 6B is increased to form a conical cylindrical shape toward the inner peripheral overlap portion 41A side of the main balance weight 41 by the inclined surface shape of the inner diameter increasing portion 6a. Therefore, for example, compared to a case where the inner diameter increasing portion 6a is configured of a flat surface orthogonal to the axial direction and a cylindrical surface parallel to the axial direction as shown by an imaginary line E in Fig. 2 , a thin portion is not generated in the bearing member 6. Accordingly, the strength of the bearing member 6 is highly maintained and a deflection amount decreases. Accordingly, it is possible to cope with the increase in the capacity of the compression mechanism 19 by increasing the dimensions of the main balance weight 41 (inner peripheral overlap portion 41A) without decreasing the strength of the bearing member 6, by a simple configuration.
  • the sub-balance weight 42 separated from the main balance weight 41 is provided on an opposite side of the main balance weight 41 with respect to the bearing member 6 so as to be adjacent to the bearing member 6 in the axial direction.
  • the sub-balance weight 42 includes the outer peripheral overlap portion 42A which overlaps the radially outer peripheral side of the bearing member 6, and the inner diameter increasing portion 42a having the inner diameter which gradually increases toward the fixing portion 6B side of the bearing member 6 in the axial direction is formed on the outer peripheral overlap portion 42A. Meanwhile, the outer diameter decreasing portion 6b which gradually decreases toward the outer peripheral overlap portion 42A side is formed on the bearing member 6, and the outer diameter decreasing portion 6b and the inner diameter increasing portion 42a overlap each other in the radial direction and the axial direction.
  • the configuration having the stepped cylindrical surface shape may be applied to a facing portion between the inner diameter increasing portion 6a of the bearing member 6 and the outer diameter decreasing portion 41b of the main balance weight 41 (41A) and a facing portion between the outer diameter decreasing portion 6b of the bearing member 6 and the inner diameter increasing portion 42a of the sub-balance weight 42 (42A).
  • the present invention is applied to an open type scroll compressor 1 in which the drive shaft 9 is rotationally driven by the external power.
  • the present invention can be applied to a close type scroll compressor in which the drive shaft is rotationally driven by a built-in electric motor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
EP17752966.6A 2016-02-19 2017-02-01 Spiralverdichter Withdrawn EP3388673A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016030061A JP6704751B2 (ja) 2016-02-19 2016-02-19 スクロール圧縮機
PCT/JP2017/003546 WO2017141703A1 (ja) 2016-02-19 2017-02-01 スクロール圧縮機

Publications (2)

Publication Number Publication Date
EP3388673A1 true EP3388673A1 (de) 2018-10-17
EP3388673A4 EP3388673A4 (de) 2018-11-07

Family

ID=59625790

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17752966.6A Withdrawn EP3388673A4 (de) 2016-02-19 2017-02-01 Spiralverdichter

Country Status (6)

Country Link
EP (1) EP3388673A4 (de)
JP (1) JP6704751B2 (de)
KR (1) KR20180094056A (de)
CN (1) CN108431419A (de)
AU (1) AU2017220218B2 (de)
WO (1) WO2017141703A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11201522B2 (en) * 2018-12-26 2021-12-14 Kabushiki Kaisha Toyota Jidoshokki Motor-driven compressor

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60166782A (ja) * 1985-01-25 1985-08-30 Hitachi Ltd スクロール流体機械
JPS61205386A (ja) * 1985-03-08 1986-09-11 Hitachi Ltd 密閉形スクロ−ル圧縮機
JPH0463984A (ja) * 1990-07-02 1992-02-28 Mitsubishi Electric Corp スクロール圧縮機
JP3147676B2 (ja) * 1994-09-20 2001-03-19 株式会社日立製作所 スクロール圧縮機
JP3874469B2 (ja) * 1996-10-04 2007-01-31 株式会社日立製作所 スクロール圧縮機
JP4123551B2 (ja) * 1997-11-17 2008-07-23 株式会社日立製作所 スクロール圧縮機
JP2001329967A (ja) * 2000-05-24 2001-11-30 Toyota Industries Corp スクロール型圧縮機におけるシール構造
JP5550419B2 (ja) 2010-03-31 2014-07-16 三菱重工業株式会社 圧縮機
JP5304868B2 (ja) * 2011-09-30 2013-10-02 ダイキン工業株式会社 スクロール圧縮機
JP6118159B2 (ja) * 2013-04-08 2017-04-19 サンデンホールディングス株式会社 スクロール型圧縮機
JP6628957B2 (ja) * 2014-02-28 2020-01-15 三菱重工業株式会社 スクロール圧縮機

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11201522B2 (en) * 2018-12-26 2021-12-14 Kabushiki Kaisha Toyota Jidoshokki Motor-driven compressor
DE102019135378B4 (de) 2018-12-26 2024-04-11 Kabushiki Kaisha Toyota Jidoshokki Motorbetriebener Verdichter

Also Published As

Publication number Publication date
WO2017141703A1 (ja) 2017-08-24
JP6704751B2 (ja) 2020-06-03
AU2017220218B2 (en) 2019-07-04
EP3388673A4 (de) 2018-11-07
CN108431419A (zh) 2018-08-21
JP2017145806A (ja) 2017-08-24
AU2017220218A1 (en) 2018-07-19
KR20180094056A (ko) 2018-08-22

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