EP0742869A4 - SPIRAL TYPE FLUID MOVEMENT DEVICE WITH HIGH OWN VOLUME RATIO AND SEMI-ELASTIC PRESSURE MECHANISM - Google Patents

SPIRAL TYPE FLUID MOVEMENT DEVICE WITH HIGH OWN VOLUME RATIO AND SEMI-ELASTIC PRESSURE MECHANISM

Info

Publication number
EP0742869A4
EP0742869A4 EP94912735A EP94912735A EP0742869A4 EP 0742869 A4 EP0742869 A4 EP 0742869A4 EP 94912735 A EP94912735 A EP 94912735A EP 94912735 A EP94912735 A EP 94912735A EP 0742869 A4 EP0742869 A4 EP 0742869A4
Authority
EP
European Patent Office
Prior art keywords
semi
volume ratio
movement device
pressure mechanism
type fluid
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.)
Granted
Application number
EP94912735A
Other languages
German (de)
French (fr)
Other versions
EP0742869A1 (en
EP0742869B1 (en
Inventor
Shimao Ni
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0742869A1 publication Critical patent/EP0742869A1/en
Publication of EP0742869A4 publication Critical patent/EP0742869A4/en
Application granted granted Critical
Publication of EP0742869B1 publication Critical patent/EP0742869B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/28—Safety arrangements; Monitoring
    • 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
    • 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/005—Axial sealings for working fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
EP94912735A 1994-01-26 1994-01-26 Scroll-type fluid displacement device having high built-in volume ratio and semi-compliant biasing mechanism Expired - Lifetime EP0742869B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1994/001031 WO1995020719A1 (en) 1994-01-26 1994-01-26 Scroll-type fluid displacement device having high built-in volume ratio and semi-compliant biasing mechanism

Publications (3)

Publication Number Publication Date
EP0742869A1 EP0742869A1 (en) 1996-11-20
EP0742869A4 true EP0742869A4 (en) 1997-05-02
EP0742869B1 EP0742869B1 (en) 2000-05-31

Family

ID=22242230

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94912735A Expired - Lifetime EP0742869B1 (en) 1994-01-26 1994-01-26 Scroll-type fluid displacement device having high built-in volume ratio and semi-compliant biasing mechanism

Country Status (5)

Country Link
EP (1) EP0742869B1 (en)
JP (1) JP3445794B2 (en)
AU (1) AU6532094A (en)
DE (1) DE69424803T2 (en)
WO (1) WO1995020719A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4599764B2 (en) * 2001-06-08 2010-12-15 ダイキン工業株式会社 Scroll type fluid machine and refrigeration system
EP2628955A1 (en) * 2004-12-21 2013-08-21 Daikin Industries, Ltd. Scroll fluid machine
KR101454251B1 (en) * 2013-03-18 2014-10-23 엘지전자 주식회사 Scroll compressor with fixed scroll supporting means
KR102178050B1 (en) * 2014-05-02 2020-11-12 엘지전자 주식회사 A scroll compressor and a method assembling the same
JP6454863B2 (en) * 2014-06-20 2019-01-23 パナソニックＩｐマネジメント株式会社 Scroll compressor
JP6454865B2 (en) * 2014-07-03 2019-01-23 パナソニックＩｐマネジメント株式会社 Scroll compressor
US10655625B2 (en) 2014-06-20 2020-05-19 Panasonic Intellectual Property Management Co., Ltd. Scroll compressor
GB2617121B (en) * 2022-03-30 2024-09-11 Edwards Ltd Scroll pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3989422A (en) * 1975-02-07 1976-11-02 Aginfor Ag Fur Industrielle Forschung Displacement machine for compressible media
US4877382A (en) * 1986-08-22 1989-10-31 Copeland Corporation Scroll-type machine with axially compliant mounting
DE4215038A1 (en) * 1992-05-07 1993-11-11 Bitzer Kuehlmaschinenbau Gmbh Spiral compressor for compressible media - has sets of compression chambers formed by spiral grooves enclosing spiral ribs and eccentrically displaced
EP0601959A1 (en) * 1992-12-07 1994-06-15 Carrier Corporation Scroll compressor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3874827A (en) * 1973-10-23 1975-04-01 Niels O Young Positive displacement scroll apparatus with axially radially compliant scroll member
JPS5990789A (en) * 1982-11-16 1984-05-25 Nippon Soken Inc Scroll pump
JP2840359B2 (en) * 1990-02-09 1998-12-24 三洋電機株式会社 Scroll compressor
JP2880780B2 (en) * 1990-09-10 1999-04-12 株式会社東芝 Scroll compressor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3989422A (en) * 1975-02-07 1976-11-02 Aginfor Ag Fur Industrielle Forschung Displacement machine for compressible media
US4877382A (en) * 1986-08-22 1989-10-31 Copeland Corporation Scroll-type machine with axially compliant mounting
DE4215038A1 (en) * 1992-05-07 1993-11-11 Bitzer Kuehlmaschinenbau Gmbh Spiral compressor for compressible media - has sets of compression chambers formed by spiral grooves enclosing spiral ribs and eccentrically displaced
EP0601959A1 (en) * 1992-12-07 1994-06-15 Carrier Corporation Scroll compressor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9520719A1 *

Also Published As

Publication number Publication date
AU6532094A (en) 1995-08-15
JPH09507548A (en) 1997-07-29
DE69424803T2 (en) 2000-10-12
EP0742869A1 (en) 1996-11-20
EP0742869B1 (en) 2000-05-31
JP3445794B2 (en) 2003-09-08
DE69424803D1 (en) 2000-07-06
WO1995020719A1 (en) 1995-08-03

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