[go: up one dir, main page]

WO2018151061A1 - 圧縮機 - Google Patents

圧縮機 Download PDF

Info

Publication number
WO2018151061A1
WO2018151061A1 PCT/JP2018/004769 JP2018004769W WO2018151061A1 WO 2018151061 A1 WO2018151061 A1 WO 2018151061A1 JP 2018004769 W JP2018004769 W JP 2018004769W WO 2018151061 A1 WO2018151061 A1 WO 2018151061A1
Authority
WO
WIPO (PCT)
Prior art keywords
oil
discharge chamber
chamber
compressor
discharge
Prior art date
Application number
PCT/JP2018/004769
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
貞光 塚越
裕暁 岡倉
Original Assignee
株式会社ヴァレオジャパン
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 株式会社ヴァレオジャパン filed Critical 株式会社ヴァレオジャパン
Priority to CN201880011611.2A priority Critical patent/CN110291292B/zh
Priority to EP18754196.6A priority patent/EP3584443B1/de
Priority to JP2018568506A priority patent/JP7015798B2/ja
Publication of WO2018151061A1 publication Critical patent/WO2018151061A1/ja

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/02—Lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/16—Filtration; Moisture 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
    • 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

Definitions

  • This invention relates to an oil separation structure of a compressor.
  • Patent Document 1 discloses a compressor including an oil separator that separates oil from a medium in which refrigerant gas and oil compressed by a compression mechanism are mixed.
  • the compressor shown in Patent Document 1 separates oil from a medium in which refrigerant gas and oil discharged from a compression mechanism into a discharge chamber are mixed by an oil separator. Then, after the refrigerant gas separated from the medium is discharged to the external refrigeration cycle, the oil separated from the medium is sent to the oil storage chamber and stored in the oil storage chamber, and then the sliding portion of the compressor via the oil return path Return to lubrication.
  • This invention was made in order to solve the said subject, Comprising: It aims at providing the compressor which can improve an oil separation capability.
  • a compressor includes a housing, a compression mechanism that is accommodated in the housing and compresses the refrigerant, and a medium in which the refrigerant and oil compressed by the compression mechanism are mixed.
  • a discharge chamber that is discharged through a discharge port; an oil separator that separates oil from a medium introduced from the discharge chamber into an oil separation chamber through an introduction passage; and an oil storage that stores oil separated by the oil separator
  • a partition that separates the discharge chamber into a first discharge chamber in which the discharge port is opened and a second discharge chamber in which the introduction passage is opened.
  • a passage communicating the first discharge chamber and the second discharge chamber is formed in the upper part of the discharge chamber.
  • a medium in which the refrigerant gas and oil compressed by the compression mechanism are mixed is once discharged into the first discharge chamber, whereby a certain amount of oil is separated from the medium in the first discharge chamber.
  • the medium from which the oil has been separated and removed flows through the passage to the second discharge chamber, reaches the oil separator through the introduction passage, and further separates the oil from the medium. Therefore, the amount of oil flowing out from the compressor to the refrigeration cycle is reduced, and the refrigeration capacity of the refrigeration cycle can be improved.
  • the compressor according to claim 2 is arranged such that the discharge chamber and the oil storage chamber are divided into upper and lower parts by being partitioned by a partition wall, and the discharge chamber and the oil storage chamber communicate with the partition wall. An oil communication path is formed.
  • the oil separated from the medium in the first discharge chamber and accumulated on the partition wall can be guided to the oil storage chamber via the oil communication passage, and can be used effectively for lubricating the compression mechanism. It becomes.
  • partition wall extends from the partition wall as a base point, and a passage that communicates the first discharge chamber and the second discharge chamber forms a peripheral wall portion that forms the discharge chamber. It is characterized by being formed between the inner peripheral surface of this and the upper end of the said partition in the perpendicular direction.
  • the oil separation capacity can be improved, thereby reducing the amount of oil flowing out from the compressor to the refrigeration cycle and improving the refrigeration capacity of the refrigeration cycle. It becomes possible.
  • FIG. 1 is a diagram illustrating an embodiment of a compressor to which the present invention is applied, and is a cross-sectional view illustrating an overall configuration of the compressor. It is the figure which showed the structure of the discharge chamber formed in the rear housing shown by FIG. It is the figure which showed the flow of the refrigerant gas and oil in the discharge chamber shown by FIG.
  • FIG. 1 to 3 show an embodiment of a compressor 1 to which the present invention is applied, and shows a scroll type electric compressor.
  • the left side in the drawing is the front side of the compressor 1
  • the right side in the drawing is the rear side of the compressor 1.
  • the compressor 1 includes a compression mechanism 3 and a front housing 5 that houses an electric motor 4 for driving the compression mechanism 3, and a rear housing 6 having a discharge chamber 24, an oil separator 28, and an oil storage chamber 30.
  • the housing 2 is configured by fastening the housings 5 and 6 in the axial direction with fastening bolts (not shown).
  • a gasket (not shown) is interposed between the end surfaces where the front housing 5 and the rear housing 6 are in contact with each other, and thereby the airtightness between the inside and the outside of the compressor 1 is maintained.
  • the front housing 5 has a bottomed cylindrical shape whose front side is closed by the front wall portion 5a and whose rear side is open.
  • An inflow port (not shown) for taking in the refrigerant gas from the refrigeration cycle into the compressor 1 is provided on the side surface of the cylindrical portion.
  • the front housing 5 has a cylindrical shape whose front side is opened from the front wall portion 5a, and an inverter device (not shown) for driving and controlling the motor 4 by closing the open side with a lid 8. Is formed.
  • the block member 7 is in contact with the step portion 5b provided on the inner periphery of the front housing 5, and is assembled in a non-rotatable manner by a positioning pin (not shown).
  • a compression mechanism accommodation space 9 that accommodates the compression mechanism 3 is behind the block member 7, and an electric motor accommodation space 10 that accommodates an electric motor 4 for driving the compression mechanism 3 is forward of the block member 7. Is formed.
  • Bearings 12 and 13 are held at the center on the rear surface side of the front wall portion 5a of the front housing 5 and the center on the front surface side of the block member 7, respectively.
  • the drive shaft 14 is rotatably supported by the bearings 12 and 13.
  • the electric motor 4 includes a stator 41 fixed to the inner peripheral surface of the front housing 5 and a rotor 42 that is fixed to rotate integrally with the drive shaft 14 inside the stator 41.
  • the rotor 42 is a stator. It rotates by the rotational magnetic force formed in 41.
  • the compression mechanism 3 is of a scroll type having a fixed scroll 18 and an orbiting scroll 19 disposed opposite thereto.
  • the fixed scroll 18 includes a disk-shaped substrate 18a, a cylindrical outer peripheral wall 18b which is provided over the entire periphery along the outer edge of the substrate 18a and is erected toward the front, and the outer peripheral wall 18b.
  • a spiral wall 18c is provided on the inner side of the substrate 18a.
  • a discharge port 18d which is a through hole, is formed in the approximate center of the substrate 18a, and the oil compressed by the compression mechanism 3 and the refrigerant gas are mixed through a discharge valve 32 provided on the rear end surface of the substrate 18a. The medium is discharged into a discharge chamber 24 described later.
  • the fixed scroll 18 is restricted by the rear housing 6 and the block member 7 while being allowed to move in the axial direction, and is restricted by the positioning pin (not shown) in the radial direction and the rotational direction.
  • the orbiting scroll 19 is composed of a disc-shaped substrate 19a and a spiral wall 19b standing rearward from the substrate 19a, and is fitted in the center of the front surface of the substrate 19a. A hole 19c is formed.
  • the fixed scroll 18 and the orbiting scroll 19 have their respective spiral walls 18c and 19b engaged with each other, and are surrounded by the substrate 18a and the spiral wall 18c of the fixed scroll 18 and the substrate 19a and the spiral wall 19b of the orbiting scroll 19.
  • a compression chamber 21 is formed in the space.
  • a suction chamber 22 for sucking refrigerant gas and oil into the compression chamber 21 is configured.
  • an eccentric shaft 15 is provided at a position eccentric with respect to the axis of the drive shaft 14, and a bush 16 is fitted on the eccentric shaft 15.
  • a radial bearing 17 is fitted into the fitting hole 19c of the orbiting scroll 19, and the outer peripheral surface of the bush 16 is fitted into the inner ring of the radial bearing 17.
  • a pin & ring coupling type rotation prevention mechanism (not shown) is provided between the block member 7 and the orbiting scroll 19. As a result, the rotational motion of the drive shaft 14 is converted into the orbiting motion of the orbiting scroll 19, and the volume of the compression chamber 21 is increased or decreased.
  • the rear housing 6 has a bottomed cylindrical shape in which the rear side of the cylindrical peripheral wall portion 6a is closed by the bottom wall portion 6b and the front side is opened. As described above, the front end surface of the rear housing 6 is in contact with the front housing 5 via the gasket, and is opposed to the rear end surface of the substrate 18a of the fixed scroll 18 with a predetermined clearance. The movement of the scroll 18 in the axial direction is restricted. A seal member (not shown) is provided between the rear end surface of the substrate 18a of the fixed scroll 18 and the front end surface of the rear housing 6, and thereby airtightness between the suction chamber 22 and a discharge chamber 24 described later is provided. It is kept.
  • a medium compressed in the compression chamber 21 is discharged from a discharge port 18 d, an oil separator 28 that separates oil from the medium discharged into the discharge chamber 24, and oil separation
  • An oil storage chamber 30 for storing the oil separated from the medium by the vessel 28 is partitioned.
  • the discharge chamber 24 and the oil storage chamber 30 are partitioned by a partition wall 6c that extends horizontally, and the discharge chamber 24 is disposed on the upper side and the oil storage chamber 30 is partitioned on the lower side.
  • the oil separator 28 is formed in an internal space of a cylindrical portion formed integrally with the bottom wall portion 6b behind the bottom wall portion 6b.
  • the oil separator 28 and the discharge chamber 24 communicate with each other through an introduction passage 25 provided in the bottom wall portion 6 b, and the oil separator 28 and the oil storage chamber 30 communicate with each other through an oil passage 29.
  • the partition wall 6c is formed with an oil communication passage 26 that allows the discharge chamber 24 (more specifically, a first discharge chamber 24a described later) and the oil storage chamber 30 to communicate with each other.
  • the oil communication passage 26 is a hole that penetrates the partition wall 6c.
  • the oil separator 28 is of a centrifugal separation type, and includes an oil separation chamber 28a communicating with the introduction passage 25 located above the discharge chamber 24, a cylindrical oil separation pipe 28b accommodated in the oil separation chamber 28a, and It has. The space inside the oil separation pipe 28b communicates with the outlet 31 that leads to the refrigeration cycle.
  • the discharge chamber 24 extends upward in the vertical direction with the partition wall 6c as a base point, and is separated by a partition wall 6d erected forward from the bottom wall portion 6b. It is partitioned into a first discharge chamber 24a and a second discharge chamber 24b.
  • the first discharge chamber 24a communicates with the discharge port 18d
  • the second discharge chamber 24b communicates with the introduction passage 25.
  • a clearance is formed between the upper end in the vertical direction of the partition wall 6d and the inner peripheral surface of the peripheral wall portion 6a, and this clearance becomes a passage 27 that communicates the first discharge chamber 24a and the second discharge chamber 24b. ing.
  • a predetermined clearance is provided between the partition wall 6d and the rear end face of the fixed scroll 18, so that the discharge valve 32 does not interfere with the partition wall 6d when the discharge valve 32 is opened.
  • two ribs 6e extending in the radial direction on the bottom wall portion 6b and standing on the front side are formed in the vicinity of the peripheral wall portion 6a.
  • the orbiting scroll 19 orbits around the axis of the fixed scroll 18 via the eccentric shaft 15.
  • the refrigerant gas sucked into the electric motor housing space 10 from the inflow port (specifically, a medium in which oil is slightly mixed) passes through the gap between the stator 41 and the front housing 5 or the suction chamber 22. It is introduced into the compression chamber 21.
  • the oil circulating in the compression mechanism 3 is also introduced into the compression chamber 21 through the suction chamber 22, and the medium in which the refrigerant gas and the oil are mixed is compressed. The compressed medium is discharged from the discharge port 18d to the discharge chamber 24.
  • the medium discharged into the discharge chamber 24 rises along the inner peripheral surface of the peripheral wall portion 6a as shown by the solid line arrow in FIG. 3 in the first discharge chamber 24a. That is, when the partition wall 6d is provided, the refrigerant gas flows from the discharge port 18d toward the introduction passage 25 (broken arrows in FIG. 3) when the partition wall 6d is not provided. Since a flow (solid arrow in FIG. 3) that bypasses the partition wall 6d is formed along the inner side, the oil is separated to some extent from the medium in the first discharge chamber 24a.
  • the medium from which oil has been removed to some extent in the first discharge chamber 24a flows to the second discharge chamber 24b through the passage 27 and is guided to the oil separator 28 through the introduction passage 25.
  • the oil separator 28 further separates the oil from the medium, and the medium from which the oil has been suitably removed is discharged from the outlet 31 to a refrigeration cycle (not shown).
  • the oil separated from the medium in the first discharge chamber 24a and stored on the partition wall 6c is guided to the oil storage chamber 30 via the oil communication passage 26 as shown by the white arrow in FIG.
  • the oil separated from the medium by the oil separator 28 is guided to the oil storage chamber 30 through the oil passage 29.
  • the oil stored in the oil storage chamber 30 in this manner is returned to the compression mechanism 3 for lubrication via an oil return passage (not shown).
  • the oil is separated in the discharge chamber 24, particularly in the first discharge chamber 24a, before the oil is separated from the medium by the oil separator 28.
  • the amount of oil flowing out can be reduced, and the refrigeration capacity of the refrigeration cycle can be improved.
  • the passage 27 from the first discharge chamber 24a to the second discharge chamber 24b is provided above the discharge chamber 24, it is possible to prevent the oil accumulated on the partition wall 6c from being rolled up and remixed with the refrigerant gas. it can. For this reason, the oil content in the medium introduced into the oil separator 28 can be reduced.
  • the oil separated in the discharge chamber 24, in particular, the first discharge chamber 24a, and accumulated on the partition wall 6c can be guided to the oil storage chamber 30 via the oil communication passage 26. It can be used effectively as a lubricating agent.
  • the present invention is not limited to this embodiment, and can be modified without departing from the spirit of the present invention.
  • the structure of the compression mechanism 3 can be applied to a vane type or a piston type, a compressor or a pump as an auxiliary machine of an engine, in addition to the scroll type.
  • the oil communication path 26 may be any path that allows the first discharge chamber 24a and the oil storage chamber 30 to communicate with each other, and the position and shape of the oil communication path 26 are not limited to the present embodiment.
  • the oil communication passage 26 may communicate with the second discharge chamber 24b, and the front end surface of the rear housing 6 and the partition wall 6c surface are flush with each other, so that the front housing 5 and the rear housing 6 are in contact with each other.
  • the clearance generated by the thickness of the gasket installed between the contacting end faces may be used as the oil communication path 26.
  • the rib 6e may be any one that bypasses the flow of the refrigerant, and the number and shape thereof are not limited to the present embodiment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressor (AREA)
PCT/JP2018/004769 2017-02-14 2018-02-13 圧縮機 WO2018151061A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201880011611.2A CN110291292B (zh) 2017-02-14 2018-02-13 压缩机
EP18754196.6A EP3584443B1 (de) 2017-02-14 2018-02-13 Verdichter
JP2018568506A JP7015798B2 (ja) 2017-02-14 2018-02-13 圧縮機

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017024881 2017-02-14
JP2017-024881 2017-02-14

Publications (1)

Publication Number Publication Date
WO2018151061A1 true WO2018151061A1 (ja) 2018-08-23

Family

ID=63170689

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/004769 WO2018151061A1 (ja) 2017-02-14 2018-02-13 圧縮機

Country Status (4)

Country Link
EP (1) EP3584443B1 (de)
JP (1) JP7015798B2 (de)
CN (1) CN110291292B (de)
WO (1) WO2018151061A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112585356A (zh) * 2018-08-24 2021-03-30 博泽沃尔兹堡汽车零部件欧洲两合公司 压缩机模块以及电动制冷压缩机
JP7055518B1 (ja) * 2021-11-26 2022-04-18 株式会社石川エナジーリサーチ スクロール圧縮機
WO2022108232A1 (en) * 2020-11-20 2022-05-27 Hanon Systems Scroll compressor for refrigerant-oil mixtures with oil return

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240084797A1 (en) * 2022-09-13 2024-03-14 Mahle International Gmbh Electric compressor with a multicavity pulsation muffler system
CN116816680A (zh) * 2022-10-28 2023-09-29 杭州绿能新能源汽车部件有限公司 具有排气分油结构的压缩机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007182774A (ja) 2006-01-05 2007-07-19 Sanden Corp スクロール型流体機械
JP2008088945A (ja) * 2006-10-04 2008-04-17 Toyota Industries Corp スクロール型圧縮機
JP2010106731A (ja) * 2008-10-29 2010-05-13 Sanden Corp オイルセパレータ内蔵圧縮機
JP2015132196A (ja) * 2014-01-10 2015-07-23 株式会社豊田自動織機 圧縮機
WO2016143951A1 (ko) * 2015-03-06 2016-09-15 한온시스템 주식회사 전동압축기

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4290345A (en) * 1978-03-17 1981-09-22 Sankyo Electric Company Limited Refrigerant compressors
US4283997A (en) * 1978-08-22 1981-08-18 Sankyo Electric Company Limited Refrigerant compressors
JP2002242835A (ja) * 2001-02-20 2002-08-28 Seiko Instruments Inc 気体圧縮機
JP2005337142A (ja) * 2004-05-27 2005-12-08 Sanden Corp 圧縮機
JP5692177B2 (ja) * 2012-07-19 2015-04-01 株式会社豊田自動織機 圧縮機
JP6181405B2 (ja) * 2013-04-08 2017-08-16 サンデンホールディングス株式会社 圧縮機

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007182774A (ja) 2006-01-05 2007-07-19 Sanden Corp スクロール型流体機械
JP2008088945A (ja) * 2006-10-04 2008-04-17 Toyota Industries Corp スクロール型圧縮機
JP2010106731A (ja) * 2008-10-29 2010-05-13 Sanden Corp オイルセパレータ内蔵圧縮機
JP2015132196A (ja) * 2014-01-10 2015-07-23 株式会社豊田自動織機 圧縮機
WO2016143951A1 (ko) * 2015-03-06 2016-09-15 한온시스템 주식회사 전동압축기

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3584443A4

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112585356A (zh) * 2018-08-24 2021-03-30 博泽沃尔兹堡汽车零部件欧洲两合公司 压缩机模块以及电动制冷压缩机
CN112585356B (zh) * 2018-08-24 2023-06-27 博泽沃尔兹堡汽车零部件欧洲两合公司 压缩机模块以及电动制冷压缩机
US11739754B2 (en) 2018-08-24 2023-08-29 Brose Fahrzeugtelle SE & Co. Kommanditgesellschaft Compressor module having oil separator and electric-powered refrigerant compressor having the same
WO2022108232A1 (en) * 2020-11-20 2022-05-27 Hanon Systems Scroll compressor for refrigerant-oil mixtures with oil return
KR20220160706A (ko) * 2020-11-20 2022-12-06 한온시스템 주식회사 오일 회수가 가능한 냉매-오일 혼합물용 스크롤 압축기
US11982276B2 (en) 2020-11-20 2024-05-14 Hanon Systems Scroll compressor for refrigerant-oil mixtures with oil return
KR102742124B1 (ko) * 2020-11-20 2024-12-16 한온시스템 주식회사 오일 회수가 가능한 냉매-오일 혼합물용 스크롤 압축기
JP7055518B1 (ja) * 2021-11-26 2022-04-18 株式会社石川エナジーリサーチ スクロール圧縮機

Also Published As

Publication number Publication date
EP3584443B1 (de) 2023-04-19
CN110291292A (zh) 2019-09-27
JPWO2018151061A1 (ja) 2019-12-12
CN110291292B (zh) 2021-09-07
EP3584443A4 (de) 2020-09-02
JP7015798B2 (ja) 2022-02-03
EP3584443A1 (de) 2019-12-25

Similar Documents

Publication Publication Date Title
WO2018151061A1 (ja) 圧縮機
US4936756A (en) Hermetic scroll type compressor with refrigerant fluid flow through the drive shaft
CN104903583B (zh) 涡旋式压缩机
WO2019058849A1 (ja) 圧縮機
JP2008088945A (ja) スクロール型圧縮機
WO2022064947A1 (ja) スクロール型圧縮機
WO2018008368A1 (ja) 圧縮機
KR102566589B1 (ko) 스크롤형 압축기
JP6738174B2 (ja) 冷媒圧縮機
WO1999008001A1 (fr) Compresseur a spirales de type horizontal
JP2000337256A (ja) 流体機械
JP4848844B2 (ja) 電動圧縮機
JP7400600B2 (ja) 電動圧縮機
KR102759044B1 (ko) 스크롤형 전동 압축기
JP3243014U (ja) 電動圧縮機
WO2024100943A1 (ja) 両回転式スクロール型圧縮機
JP2006348928A (ja) 圧縮機
US11976653B2 (en) Scroll compressor with suppressed reduction of rotational moment
JP7468428B2 (ja) スクロール型圧縮機
JP7341003B2 (ja) 横置型電動圧縮機
JP2003184776A (ja) 圧縮機
JPH1182340A (ja) 横置型スクロールコンプレッサ
JP2022152796A (ja) スクロール型圧縮機
JP3252404B2 (ja) スクロール圧縮機
JP2006329141A (ja) スクロール圧縮機

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18754196

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2018568506

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2018754196

Country of ref document: EP

Effective date: 20190916