DE3804435C2 - - Google Patents

Info

Publication number
DE3804435C2
DE3804435C2 DE3804435A DE3804435A DE3804435C2 DE 3804435 C2 DE3804435 C2 DE 3804435C2 DE 3804435 A DE3804435 A DE 3804435A DE 3804435 A DE3804435 A DE 3804435A DE 3804435 C2 DE3804435 C2 DE 3804435C2
Authority
DE
Germany
Prior art keywords
electric motor
channels
compressor section
space
channel
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.)
Expired
Application number
DE3804435A
Other languages
German (de)
English (en)
Other versions
DE3804435A1 (de
Inventor
Kazuo Shizuoka Jp Sakurai
Takahiro Shimizu Jp Tamura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE3804435A1 publication Critical patent/DE3804435A1/de
Application granted granted Critical
Publication of DE3804435C2 publication Critical patent/DE3804435C2/de
Granted 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
    • 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
    • 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
    • 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)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary Pumps (AREA)
  • Compressor (AREA)
DE3804435A 1987-02-28 1988-02-12 Spiralkompressor Granted DE3804435A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62045698A JPH0663506B2 (ja) 1987-02-28 1987-02-28 密閉形スクロ−ル圧縮機

Publications (2)

Publication Number Publication Date
DE3804435A1 DE3804435A1 (de) 1988-09-08
DE3804435C2 true DE3804435C2 (en, 2012) 1989-12-14

Family

ID=12726598

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3804435A Granted DE3804435A1 (de) 1987-02-28 1988-02-12 Spiralkompressor

Country Status (4)

Country Link
US (1) US4886427A (en, 2012)
JP (1) JPH0663506B2 (en, 2012)
KR (1) KR900009224B1 (en, 2012)
DE (1) DE3804435A1 (en, 2012)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW552352B (en) * 1999-06-29 2003-09-11 Sanyo Electric Co Sealed rotary compressor
JP3936105B2 (ja) 1999-08-11 2007-06-27 東芝キヤリア株式会社 圧縮機
US6579076B2 (en) * 2001-01-23 2003-06-17 Bristol Compressors, Inc. Shaft load balancing system
JP3832369B2 (ja) 2002-03-28 2006-10-11 ダイキン工業株式会社 高低圧ドーム型圧縮機
JP5058919B2 (ja) * 2008-09-01 2012-10-24 サンデン株式会社 スクロール型流体機械
JP7075721B2 (ja) 2017-04-10 2022-05-26 日立ジョンソンコントロールズ空調株式会社 スクリュー圧縮機
US11879457B1 (en) 2022-09-13 2024-01-23 Mahle International Gmbh Electric compressor with isolation constraint system
US11629713B1 (en) 2022-09-13 2023-04-18 Mahle International Gmbh Electric compressor with oil separator and oil separator for use in an electrical compressor
US12049893B2 (en) 2022-09-13 2024-07-30 Mahle International Gmbh Electric compressor having a compression device with a fixed scroll having a modified scroll floor and a fixed scroll having a modified scroll floor
US12292048B2 (en) 2022-09-13 2025-05-06 Mahle International Gmbh Electric compressor with scroll bearing injection orifice
US11994130B2 (en) 2022-09-13 2024-05-28 Mahle International Gmbh Electric compressor bearing oil communication aperture
US11879464B1 (en) 2022-09-13 2024-01-23 Mahle International Gmbh Electric compressor having a swing link and integrated limit pin and swing link and integrated limit pin for use in an electric compressor
US12292049B2 (en) 2022-09-13 2025-05-06 Mahle International Gmbh Electric compressor with a multicavity pulsation muffler system
US12241467B2 (en) 2022-12-29 2025-03-04 Mahle International Gmbh Assembly and electric compressor with modular stator assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57198384A (en) * 1981-05-29 1982-12-04 Hitachi Ltd Closed type scroll compressor
JPS58176486A (ja) * 1982-04-09 1983-10-15 Hitachi Ltd 密閉形電動圧縮機
JPS59141793A (ja) * 1983-02-02 1984-08-14 Hitachi Ltd 密閉型スクロール流体機械
JPS60224991A (ja) * 1984-04-24 1985-11-09 Daikin Ind Ltd 密閉形スクロ−ル圧縮機
JPS6287692A (ja) * 1985-10-14 1987-04-22 Hitachi Ltd 密閉形スクロ−ル圧縮機

Also Published As

Publication number Publication date
JPS63212796A (ja) 1988-09-05
KR880010255A (ko) 1988-10-07
KR900009224B1 (ko) 1990-12-24
JPH0663506B2 (ja) 1994-08-22
DE3804435A1 (de) 1988-09-08
US4886427A (en) 1989-12-12

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition