DE3903249C2 - - Google Patents

Info

Publication number
DE3903249C2
DE3903249C2 DE3903249A DE3903249A DE3903249C2 DE 3903249 C2 DE3903249 C2 DE 3903249C2 DE 3903249 A DE3903249 A DE 3903249A DE 3903249 A DE3903249 A DE 3903249A DE 3903249 C2 DE3903249 C2 DE 3903249C2
Authority
DE
Germany
Prior art keywords
crankshaft
bearing
intermediate pressure
oil
crank pin
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 - Lifetime
Application number
DE3903249A
Other languages
German (de)
English (en)
Other versions
DE3903249A1 (de
Inventor
Takahiro Shimizu Jp Tamura
Kazuo Shizuoka Jp Sakurai
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 DE3903249A1 publication Critical patent/DE3903249A1/de
Application granted granted Critical
Publication of DE3903249C2 publication Critical patent/DE3903249C2/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
    • 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
    • F04C18/063—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 with coaxially-mounted members having continuously-changing circumferential spacing between them
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
DE3903249A 1988-02-19 1989-02-03 Rotationskolbenmaschine in spiralbauweise Granted DE3903249A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3525588 1988-02-19

Publications (2)

Publication Number Publication Date
DE3903249A1 DE3903249A1 (de) 1989-08-31
DE3903249C2 true DE3903249C2 (enExample) 1992-08-06

Family

ID=12436712

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3903249A Granted DE3903249A1 (de) 1988-02-19 1989-02-03 Rotationskolbenmaschine in spiralbauweise

Country Status (3)

Country Link
US (1) US4997350A (enExample)
KR (1) KR920003593B1 (enExample)
DE (1) DE3903249A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0642486A (ja) * 1991-08-23 1994-02-15 Mitsubishi Heavy Ind Ltd 流体ポンプ及びこれを備える回転機械
SA94140669B1 (ar) * 1993-04-27 2006-03-01 كارير كوربوريشن ضاغط دوار مع حقن للزيت
US5370513A (en) * 1993-11-03 1994-12-06 Copeland Corporation Scroll compressor oil circulation system
US6015277A (en) * 1997-11-13 2000-01-18 Tecumseh Products Company Fabrication method for semiconductor substrate
JP3851971B2 (ja) * 1998-02-24 2006-11-29 株式会社デンソー Ｃｏ２用圧縮機
US7083397B1 (en) * 1998-06-04 2006-08-01 Scroll Technologies Scroll compressor with motor control for capacity modulation
JP2000179481A (ja) * 1998-12-14 2000-06-27 Hitachi Ltd スクロール圧縮機
JP4016556B2 (ja) * 1999-12-17 2007-12-05 株式会社豊田自動織機 圧縮機
JP3731068B2 (ja) * 2002-06-05 2006-01-05 ダイキン工業株式会社 回転式圧縮機
JP2009121316A (ja) * 2007-11-14 2009-06-04 Daikin Ind Ltd 密閉型圧縮機
JP5998818B2 (ja) * 2011-10-17 2016-09-28 株式会社豊田自動織機 電動圧縮機
US9598960B2 (en) 2013-07-31 2017-03-21 Trane International Inc. Double-ended scroll compressor lubrication of one orbiting scroll bearing via crankshaft oil gallery from another orbiting scroll bearing

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5776201A (en) * 1980-10-31 1982-05-13 Hitachi Ltd Oil feed device for scroll hydraulic machine
JPS58176489A (ja) * 1982-04-09 1983-10-15 Hitachi Ltd 電動圧縮機
JPS59115488A (ja) * 1982-12-22 1984-07-03 Hitachi Ltd 密閉形スクロ−ル圧縮機の軸受装置
JPS61205386A (ja) * 1985-03-08 1986-09-11 Hitachi Ltd 密閉形スクロ−ル圧縮機
JPS61212689A (ja) * 1985-03-18 1986-09-20 Hitachi Ltd 横置密閉形スクロ−ル厚縮機
JP2718666B2 (ja) * 1986-07-21 1998-02-25 株式会社日立製作所 スクロール流体機械の給油装置
JP2522775B2 (ja) * 1986-11-26 1996-08-07 株式会社日立製作所 スクロ−ル流体機械

Also Published As

Publication number Publication date
US4997350A (en) 1991-03-05
DE3903249A1 (de) 1989-08-31
KR890013350A (ko) 1989-09-22
KR920003593B1 (ko) 1992-05-04

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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
8339 Ceased/non-payment of the annual fee