EP0742869A4 - Scroll-type fluid displacement device having high built-in volume ratio and semi-compliant biasing mechanism - Google Patents

Scroll-type fluid displacement device having high built-in volume ratio and semi-compliant biasing 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
scroll
semi
volume ratio
displacement device
biasing mechanism
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 (7)

* 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
CN100501165C (en) * 2004-12-21 2009-06-17 大金工业株式会社 Scroll type 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

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

Similar Documents

Publication Publication Date Title
EP0956431A4 (en) Compact scroll fluid device
AU7273294A (en) Portable fluid therapy device
GB9503812D0 (en) Casing valve
HK1011625A1 (en) Fluid dispensers
AU5409194A (en) Scroll apparatus with reduced inlet pressure drop
GB2291135B (en) Device for dispensing fluid
HU9501272D0 (en) Device for dissoluting gas in liquids
AU1858795A (en) Fluid boiling-point sensing device
AU3669493A (en) Compliance mounting mechanism for scroll fluid device
EP0742891A4 (en) Fluid dispensing device with gravity-fill continuously variable dosage selection
EP0787285A4 (en) Fluid sampling device
EP0742869A4 (en) Scroll-type fluid displacement device having high built-in volume ratio and semi-compliant biasing mechanism
PL318349A1 (en) Gas/liquid contact column
EP0589236A3 (en) Orbiting member fluid displacement apparatus with rotation preventing mechanism.
GB2293030B (en) Fluid pressure reduction
AU2032792A (en) Sealing mechanism employed in compressor housing
AU3412495A (en) Fluid reaction device
AU2212995A (en) Device for mixing two fluids
EP0743454A3 (en) Scroll type fluid displacement apparatus
GB2295441B (en) Microminiature fluid flow device
EP1025341A4 (en) Scroll-type fluid displacement device having flow diverter, multiple tip seal and semi-radial compliant mechanism
HUP9901787A3 (en) Fluid dispensing device
GR3029270T3 (en) Single use fluid dispensing device
AU4277696A (en) Pressure medium actuated operating device
GB2274216B (en) Pressure fluid device

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19960814

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR IT SE

RHK1 Main classification (correction)

Ipc: F04C 18/02

A4 Supplementary search report drawn up and despatched

Effective date: 19970312

AK Designated contracting states

Kind code of ref document: A4

Designated state(s): DE FR IT SE

17Q First examination report despatched

Effective date: 19980417

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR IT SE

ET Fr: translation filed
REF Corresponds to:

Ref document number: 69424803

Country of ref document: DE

Date of ref document: 20000706

ITF It: translation for a ep patent filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20101221

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20110118

Year of fee payment: 18

Ref country code: DE

Payment date: 20110131

Year of fee payment: 18

Ref country code: SE

Payment date: 20110107

Year of fee payment: 18

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20120928

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120801

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120127

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 69424803

Country of ref document: DE

Effective date: 20120801

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120126

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120131