DE69710716D1 - Mehrfachschrauben-verdrängungsmaschinen - Google Patents

Mehrfachschrauben-verdrängungsmaschinen

Info

Publication number
DE69710716D1
DE69710716D1 DE69710716T DE69710716T DE69710716D1 DE 69710716 D1 DE69710716 D1 DE 69710716D1 DE 69710716 T DE69710716 T DE 69710716T DE 69710716 T DE69710716 T DE 69710716T DE 69710716 D1 DE69710716 D1 DE 69710716D1
Authority
DE
Germany
Prior art keywords
multiple screw
displacement machines
screw displacement
machines
screw
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
DE69710716T
Other languages
English (en)
Other versions
DE69710716T2 (de
Inventor
Rudi Stosic
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.)
City University of London
Original Assignee
City University of London
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 City University of London filed Critical City University of London
Application granted granted Critical
Publication of DE69710716D1 publication Critical patent/DE69710716D1/de
Publication of DE69710716T2 publication Critical patent/DE69710716T2/de
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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/082—Details specially related to intermeshing engagement type pumps
    • F04C18/084—Toothed wheels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49236—Fluid pump or compressor making
    • Y10T29/49242—Screw or gear type, e.g., Moineau type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
DE69710716T 1996-05-16 1997-05-15 Mehrfachschrauben-verdrängungsmaschinen Expired - Lifetime DE69710716T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9610289.2A GB9610289D0 (en) 1996-05-16 1996-05-16 Plural screw positive displacement machines
PCT/GB1997/001333 WO1997043550A1 (en) 1996-05-16 1997-05-15 Plural screw positive displacement machines

Publications (2)

Publication Number Publication Date
DE69710716D1 true DE69710716D1 (de) 2002-04-04
DE69710716T2 DE69710716T2 (de) 2002-11-21

Family

ID=10793838

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69710716T Expired - Lifetime DE69710716T2 (de) 1996-05-16 1997-05-15 Mehrfachschrauben-verdrängungsmaschinen

Country Status (7)

Country Link
US (1) US6296461B1 (de)
EP (1) EP0898655B1 (de)
AU (1) AU2903797A (de)
DE (1) DE69710716T2 (de)
ES (1) ES2173445T3 (de)
GB (1) GB9610289D0 (de)
WO (1) WO1997043550A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0210018D0 (en) * 2002-05-01 2002-06-12 Univ City Plural-screw machines
GB2418455B (en) * 2004-09-25 2009-12-09 Fu Sheng Ind Co Ltd A mechanism of the screw rotor
US20060078453A1 (en) * 2004-10-12 2006-04-13 Fu Sheng Industrial Co. , Ltd. Mechanism of the screw rotor
GB0511864D0 (en) * 2005-06-10 2005-07-20 Univ City Expander lubrication in vapour power systems
GB2457266B (en) 2008-02-07 2012-12-26 Univ City Generating power from medium temperature heat sources
IT1394590B1 (it) * 2009-05-21 2012-07-05 Robuschi S P A Compressore a vite
GB2486836A (en) * 2010-02-12 2012-06-27 Univ City Lubrication of screw machines
GB2477777B (en) * 2010-02-12 2012-05-23 Univ City Lubrication of screw expanders
GB2484718A (en) 2010-10-21 2012-04-25 Univ City A screw expander having a bleed port
CN102003394A (zh) * 2010-12-24 2011-04-06 上海耐浦流体机械科技有限公司 螺杆真空泵转子型线
US8857170B2 (en) * 2010-12-30 2014-10-14 Electratherm, Inc. Gas pressure reduction generator
CN102797673B (zh) * 2011-05-24 2016-03-02 重庆德衡科技有限公司 嵌入式复合齿形螺杆泵
GB2501302B (en) 2012-04-19 2016-08-31 The City Univ Reduced noise screw machines
JP6109516B2 (ja) * 2012-09-26 2017-04-05 株式会社前川製作所 スクリュー型流体機械
CN102974990B (zh) * 2012-12-18 2015-04-15 中国石油集团济柴动力总厂成都压缩机厂 一种适用于双螺杆压缩机的转子型线结构的加工方法
TWI482920B (zh) * 2013-01-11 2015-05-01 Univ Nat Pingtung Sci & Tech Clearance Calculation of Helical Rotor Between Twin Screw Compressor
US9243520B2 (en) 2013-03-15 2016-01-26 Electratherm, Inc. Apparatus, systems, and methods for low grade waste heat management
EP3108126A4 (de) * 2014-02-21 2017-09-20 Electratherm, Inc. Vorrichtung, systeme und verfahren zur schmierung von flüssigkeitsverdrängungsmaschinen
EP3149335B1 (de) 2014-06-02 2020-06-24 Carrier Corporation Schraubenverdichter
US10975867B2 (en) 2015-10-30 2021-04-13 Gardner Denver, Inc. Complex screw rotors
CN108278208B (zh) * 2018-02-08 2024-03-08 珠海格力电器股份有限公司 螺杆压缩机转子结构及具有其的变频螺杆压缩机

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1197432A (en) 1966-07-29 1970-07-01 Svenska Rotor Maskiner Ab Improvements in and relating to Rotary Positive Displacement Machines of the Intermeshing Screw Type and Rotors therefor
US3666384A (en) 1970-10-20 1972-05-30 Pavel Evgenievich Amosov Screw-rotor machine for compressible fluids
US4053263A (en) * 1973-06-27 1977-10-11 Joy Manufacturing Company Screw rotor machine rotors and method of making
GB1503488A (en) 1974-03-06 1978-03-08 Svenska Rotor Maskiner Ab Meshing screw rotor fluid maching
US4109362A (en) * 1976-01-02 1978-08-29 Joy Manufacturing Company Method of making screw rotor machine rotors
JPS5793602A (en) 1980-12-03 1982-06-10 Hitachi Ltd Screw rotor
GB2092676B (en) 1981-02-06 1984-09-19 Svenska Rotor Maskiner Ab Rotary positive-displacement fluidmachines
US4412796A (en) 1981-08-25 1983-11-01 Ingersoll-Rand Company Helical screw rotor profiles
SE429783B (sv) 1981-12-22 1983-09-26 Sullair Tech Ab Rotorer for en skruvrotormaskin
GB8413619D0 (en) 1984-05-29 1984-07-04 Compair Ind Ltd Screw rotor machines
US4527967A (en) 1984-08-31 1985-07-09 Dunham-Bush, Inc. Screw rotor machine with specific tooth profile
US4643654A (en) 1985-09-12 1987-02-17 American Standard Inc. Screw rotor profile and method for generating
US4938672A (en) * 1989-05-19 1990-07-03 Excet Corporation Screw rotor lobe profile for simplified screw rotor machine capacity control

Also Published As

Publication number Publication date
DE69710716T2 (de) 2002-11-21
EP0898655A1 (de) 1999-03-03
GB9610289D0 (en) 1996-07-24
EP0898655B1 (de) 2002-02-27
US6296461B1 (en) 2001-10-02
ES2173445T3 (es) 2002-10-16
AU2903797A (en) 1997-12-05
WO1997043550A1 (en) 1997-11-20

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: CITY UNIVERSITY, LONDON, GB

8364 No opposition during term of opposition