PT925452E - Conjunto de rotor de parafuso - Google Patents

Conjunto de rotor de parafuso

Info

Publication number
PT925452E
PT925452E PT97930285T PT97930285T PT925452E PT 925452 E PT925452 E PT 925452E PT 97930285 T PT97930285 T PT 97930285T PT 97930285 T PT97930285 T PT 97930285T PT 925452 E PT925452 E PT 925452E
Authority
PT
Portugal
Prior art keywords
pct
cavities
balancing
screw
rotors
Prior art date
Application number
PT97930285T
Other languages
English (en)
Portuguese (pt)
Inventor
Ulrich Becher
Original Assignee
Busch Sa Atel
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 Busch Sa Atel filed Critical Busch Sa Atel
Publication of PT925452E publication Critical patent/PT925452E/pt

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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/084—Toothed wheels
    • 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0042—Systems for the equilibration of forces acting on the machines or pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary Pumps (AREA)
  • Supercharger (AREA)
  • Cereal-Derived Products (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Refuse Collection And Transfer (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
PT97930285T 1996-09-12 1997-07-21 Conjunto de rotor de parafuso PT925452E (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH223396 1996-09-12
CH241796 1996-10-04

Publications (1)

Publication Number Publication Date
PT925452E true PT925452E (pt) 2002-12-31

Family

ID=25689859

Family Applications (1)

Application Number Title Priority Date Filing Date
PT97930285T PT925452E (pt) 1996-09-12 1997-07-21 Conjunto de rotor de parafuso

Country Status (16)

Country Link
US (1) US6158996A (enExample)
EP (1) EP0925452B9 (enExample)
JP (1) JP4307559B2 (enExample)
KR (1) KR100509640B1 (enExample)
CN (1) CN1093228C (enExample)
AT (1) ATE222641T1 (enExample)
AU (1) AU714936B2 (enExample)
CA (1) CA2262898C (enExample)
CZ (1) CZ292634B6 (enExample)
DE (1) DE59708019D1 (enExample)
DK (1) DK0925452T3 (enExample)
ES (1) ES2180061T3 (enExample)
NO (1) NO991212L (enExample)
PT (1) PT925452E (enExample)
SK (1) SK28999A3 (enExample)
WO (1) WO1998011351A1 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1026399A1 (de) 1999-02-08 2000-08-09 Ateliers Busch S.A. Zwillings-Förderschrauben
KR100392405B1 (ko) * 2000-06-13 2003-07-31 남기일 가변 리이드를 가지는 스크류형 진공펌프
CH694339A9 (de) * 2000-07-25 2005-03-15 Busch Sa Atel Zwillingsschraubenrotoren und solche enthaltende Ve rdraengermaschinen.
US7833250B2 (en) 2004-11-10 2010-11-16 Jackson Roger P Polyaxial bone screw with helically wound capture connection
US8377100B2 (en) 2000-12-08 2013-02-19 Roger P. Jackson Closure for open-headed medical implant
KR20030034804A (ko) * 2001-10-27 2003-05-09 엘지전선 주식회사 로터의 중심선이 편향되는 구조의 스크류 냉매 압축기
US11224464B2 (en) 2002-05-09 2022-01-18 Roger P. Jackson Threaded closure with inwardly-facing tool engaging concave radiused structures and axial through-aperture
GB0226529D0 (en) * 2002-11-14 2002-12-18 Dana Automotive Ltd Pump
GB2401400A (en) * 2003-05-08 2004-11-10 Automotive Motion Tech Ltd Pump with screw pitch less than 1.6 times the diameter
US7232297B2 (en) * 2003-05-08 2007-06-19 Automotive Motion Technology Limited Screw pump
GB2419920B (en) * 2004-11-08 2009-04-29 Automotive Motion Tech Ltd Pump
US8911479B2 (en) 2012-01-10 2014-12-16 Roger P. Jackson Multi-start closures for open implants
US8911478B2 (en) 2012-11-21 2014-12-16 Roger P. Jackson Splay control closure for open bone anchor
CN103203599B (zh) * 2013-04-03 2017-07-28 威海智德真空科技有限公司 一种不锈钢中空螺杆的制造方法
US9717533B2 (en) 2013-12-12 2017-08-01 Roger P. Jackson Bone anchor closure pivot-splay control flange form guide and advancement structure
CN105811647A (zh) * 2014-12-31 2016-07-27 博世汽车部件(长沙)有限公司 电机
CN105952636B (zh) * 2016-05-05 2017-11-24 扬州大学 自润滑支承的变容积新型双螺杆泵
JP7141459B2 (ja) * 2018-08-29 2022-09-22 株式会社日立産機システム スクリューロータ及びスクリュー流体機械本体
CN114593049B (zh) * 2020-12-04 2023-04-07 东北大学 一种一体式内螺旋空心螺杆转子
US12129848B2 (en) 2021-05-12 2024-10-29 Johnson & Johnson Surgical Vision, Inc. Disposable pump cartridge
GB2608379A (en) * 2021-06-29 2023-01-04 Edwards Ltd Screw-type vacuum pump
US12473915B2 (en) 2022-10-31 2025-11-18 Johnson & Johnson Surgical Vision, Inc. Apparatus and method for mechanically coupling a motor to a rotor of a progressive cavity pump
CN116517834A (zh) * 2023-05-17 2023-08-01 浙江博亚精密机械有限公司 一种带空腔的螺杆转子结构
CN117514806B (zh) * 2023-12-18 2024-06-04 坚固工业设备(杭州)有限公司 立式爪型干式真空泵转子结构、立式真空泵及使用方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA487588A (en) * 1952-10-28 Dresser Industries Screw pump
US2266820A (en) * 1938-07-13 1941-12-23 Frank E Smith Engine
US2441771A (en) * 1941-05-31 1948-05-18 Jarvis C Marble Yieldable drive for rotors
GB670395A (en) * 1950-01-16 1952-04-16 Roots Connersville Blower Corp Improvements in or relating to rotary screw-pumps and motors
JPS62291400A (ja) * 1986-06-10 1987-12-18 三井建設株式会社 覆工構築装置
JPS62291486A (ja) * 1986-06-12 1987-12-18 Taiko Kikai Kogyo Kk スクリユ−コンプレツサ−
JPH01130084A (ja) * 1987-11-13 1989-05-23 Hitachi Ltd 動バランス修正装置
JPH02305393A (ja) * 1989-05-19 1990-12-18 Hitachi Ltd スクリユーロータおよびスクリユー真空ポンプ
CA2058325A1 (en) * 1990-12-24 1992-06-25 Mark E. Baran Positive displacement pumps
US5348453A (en) * 1990-12-24 1994-09-20 James River Corporation Of Virginia Positive displacement screw pump having pressure feedback control
US5662463A (en) * 1993-07-13 1997-09-02 Thomassen International B.V. Rotary screw compressor having a pressure bearing arrangement

Also Published As

Publication number Publication date
CN1230242A (zh) 1999-09-29
CA2262898A1 (en) 1998-03-19
DK0925452T3 (da) 2002-12-30
AU714936B2 (en) 2000-01-13
EP0925452B9 (de) 2003-02-26
EP0925452A1 (de) 1999-06-30
SK28999A3 (en) 1999-12-10
KR20000035974A (ko) 2000-06-26
NO991212D0 (no) 1999-03-11
CZ292634B6 (cs) 2003-11-12
JP2001503119A (ja) 2001-03-06
KR100509640B1 (ko) 2005-08-23
CN1093228C (zh) 2002-10-23
ES2180061T3 (es) 2003-02-01
CA2262898C (en) 2007-10-02
AU3432297A (en) 1998-04-02
CZ9900755A3 (cs) 2001-02-14
NO991212L (no) 1999-05-11
DE59708019D1 (de) 2002-09-26
EP0925452B1 (de) 2002-08-21
JP4307559B2 (ja) 2009-08-05
WO1998011351A1 (de) 1998-03-19
US6158996A (en) 2000-12-12
ATE222641T1 (de) 2002-09-15

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