DE60105871D1 - Schraubenrotoren und Schraubenmaschine - Google Patents

Schraubenrotoren und Schraubenmaschine

Info

Publication number
DE60105871D1
DE60105871D1 DE60105871T DE60105871T DE60105871D1 DE 60105871 D1 DE60105871 D1 DE 60105871D1 DE 60105871 T DE60105871 T DE 60105871T DE 60105871 T DE60105871 T DE 60105871T DE 60105871 D1 DE60105871 D1 DE 60105871D1
Authority
DE
Germany
Prior art keywords
screw
surface portion
rotors
pitch circumference
deddendum
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 - Fee Related
Application number
DE60105871T
Other languages
English (en)
Other versions
DE60105871T2 (de
Inventor
Tsuyoshi Nachi
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.)
Nabtesco Corp
Original Assignee
TS Corp
Teijin Seiki Co 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 TS Corp, Teijin Seiki Co Ltd filed Critical TS Corp
Publication of DE60105871D1 publication Critical patent/DE60105871D1/de
Application granted granted Critical
Publication of DE60105871T2 publication Critical patent/DE60105871T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
    • F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
    • 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
    • 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
    • F04C18/12—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 of other than internal-axis type
    • F04C18/14—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 of other than internal-axis type with toothed rotary pistons
    • F04C18/16—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 of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • 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
    • F04C2220/00—Application
    • F04C2220/10—Vacuum
    • F04C2220/12—Dry running

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary Pumps (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DE60105871T 2000-03-15 2001-03-14 Schraubenrotoren und Schraubenmaschine Expired - Fee Related DE60105871T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000072893A JP4282867B2 (ja) 2000-03-15 2000-03-15 スクリューロータおよびスクリュー機械
JP2000072893 2000-03-15

Publications (2)

Publication Number Publication Date
DE60105871D1 true DE60105871D1 (de) 2004-11-04
DE60105871T2 DE60105871T2 (de) 2005-02-03

Family

ID=18591232

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60105871T Expired - Fee Related DE60105871T2 (de) 2000-03-15 2001-03-14 Schraubenrotoren und Schraubenmaschine

Country Status (7)

Country Link
US (1) US6386848B2 (de)
EP (1) EP1134357B1 (de)
JP (1) JP4282867B2 (de)
KR (1) KR100682584B1 (de)
AT (1) ATE278099T1 (de)
DE (1) DE60105871T2 (de)
TW (1) TW505738B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3906806B2 (ja) * 2003-01-15 2007-04-18 株式会社日立プラントテクノロジー スクリュウ圧縮機およびそのロータの製造方法と製造装置
KR20070027558A (ko) * 2004-05-24 2007-03-09 나부테스코 가부시키가이샤 스크류 로터 및 스크류식 유체 기계
CN100392249C (zh) * 2005-01-31 2008-06-04 浙江大学 一种大流量双螺杆泵的圆弧螺杆齿形
ITPR20090054A1 (it) * 2009-07-10 2011-01-11 Robuschi S P A Compressore a vite a secco
KR102621304B1 (ko) 2015-10-30 2024-01-04 가드너 덴버, 인크 복합 스크류 로터
CN105952641B (zh) * 2016-07-11 2017-11-14 中国石油大学(华东) 一种三段式螺杆转子及其双螺杆真空泵
CN108437401B (zh) * 2018-05-28 2023-07-11 中国石油大学(华东) 一种双螺杆挤出机的全光滑锥形螺杆转子
FR3084732B1 (fr) 2018-08-06 2020-11-27 Polyflam Appareil de chauffage comprenant au moins une rampe d’injection d’air
CN110966265B (zh) * 2018-09-28 2022-03-22 党祎贤 集射真空泵
TW202040004A (zh) * 2019-04-19 2020-11-01 亞台富士精機股份有限公司 轉子及螺旋式幫浦
CN113586449B (zh) * 2021-08-25 2022-12-09 西安交通大学 一种变转子型线双螺杆压缩机转子及设计方法
CN113953934B (zh) * 2021-11-11 2024-05-24 格力电器（武汉）有限公司 一种转子涂层预磨装置和预磨方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2931308A (en) * 1957-03-29 1960-04-05 Improved Machinery Inc Plural intermeshing screw structures
NL162721C (nl) * 1969-02-12 1980-06-16 Cerpelli Orazio Schroefpomp.
SU1000598A1 (ru) * 1979-01-25 1983-02-28 Предприятие П/Я А-1125 Винтовой насос
JPH01267384A (ja) * 1988-04-15 1989-10-25 Hitachi Ltd 勾配歯を有するスクリューロータ
ATE229127T1 (de) * 1995-12-11 2002-12-15 Busch Sa Atel Zwillingsschraubensatz
AU720108B2 (en) * 1995-12-11 2000-05-25 Ateliers Busch S.A. Twin feed screw
US6093009A (en) * 1999-02-17 2000-07-25 Jacks, Jr.; Morris G. Apparatus and method for controlling angular relation between two rotating shafts

Also Published As

Publication number Publication date
JP4282867B2 (ja) 2009-06-24
US20010022943A1 (en) 2001-09-20
EP1134357A3 (de) 2003-01-02
ATE278099T1 (de) 2004-10-15
EP1134357B1 (de) 2004-09-29
DE60105871T2 (de) 2005-02-03
JP2001263276A (ja) 2001-09-26
KR20010092368A (ko) 2001-10-24
KR100682584B1 (ko) 2007-02-15
EP1134357A2 (de) 2001-09-19
TW505738B (en) 2002-10-11
US6386848B2 (en) 2002-05-14

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Legal Events

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

Owner name: NABTESCO CORP., TOKIO/TOKYO, JP

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee