JPS6224080U - - Google Patents

Info

Publication number
JPS6224080U
JPS6224080U JP1985113688U JP11368885U JPS6224080U JP S6224080 U JPS6224080 U JP S6224080U JP 1985113688 U JP1985113688 U JP 1985113688U JP 11368885 U JP11368885 U JP 11368885U JP S6224080 U JPS6224080 U JP S6224080U
Authority
JP
Japan
Prior art keywords
rotor
hole
housing
rotor shaft
roots
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
JP1985113688U
Other languages
English (en)
Other versions
JPH0623753Y2 (ja
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 filed Critical
Priority to JP1985113688U priority Critical patent/JPH0623753Y2/ja
Priority to US06/878,704 priority patent/US4764098A/en
Priority to EP86109271A priority patent/EP0209788B1/en
Priority to DE8686109271T priority patent/DE3669753D1/de
Publication of JPS6224080U publication Critical patent/JPS6224080U/ja
Application granted granted Critical
Publication of JPH0623753Y2 publication Critical patent/JPH0623753Y2/ja
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
    • F04C18/12—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
    • F04C18/126—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 radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots 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
    • 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
    • F04C2230/00—Manufacture
    • F04C2230/90—Improving properties of machine parts
    • F04C2230/91—Coating
    • 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
    • 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
    • Y10T29/49826—Assembling or joining
    • Y10T29/49945—Assembling or joining by driven force fit
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7075—Interfitted members including discrete retainer
    • Y10T403/7077—Interfitted members including discrete retainer for telescoping members
    • Y10T403/7079—Transverse pin
    • Y10T403/7088—Sliding pin

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Supercharger (AREA)

Description

【図面の簡単な説明】
第１図は本考案によるルーツ式ポンプのロータ
の断面図、第２図は本考案によるルーツ式ポンプ
の長手断面図、第３図は同じく横断面図、第４図
は第２実施例のロータの部分図、第５図及び第６
図はそれぞれは従来のロータの問題点を説明する
図である。 １…ハウジング、２…ロータ、３…ロータシヤ
フト、１０…樹脂コート層、１２…貫通穴、１４
…ピン、１６…面取り、１８…座ぐり。

Claims (1)

    【実用新案登録請求の範囲】
  1. ハウジングと、ハウジング内に挿入されたまゆ
    形の２個のロータと、各々のロータを支持するロ
    ータシヤフトと、ロータをロータシヤフトに固定
    させるためにロータに形成された貫通穴に嵌合さ
    れたピンとを具備し、前記ロータの外周に樹脂コ
    ーテイングが施こされるとともに、前記貫通穴の
    両端がそれぞれ該樹脂層を貫通して開口し、該開
    口部が前記貫通穴の断面積よりも広くされている
    ことを特徴とするルーツ式ポンプ。
JP1985113688U 1985-07-26 1985-07-26 ル−ツ式ポンプ Expired - Lifetime JPH0623753Y2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1985113688U JPH0623753Y2 (ja) 1985-07-26 1985-07-26 ル−ツ式ポンプ
US06/878,704 US4764098A (en) 1985-07-26 1986-06-26 Roots type pump with pin connection for plastic coated rotor
EP86109271A EP0209788B1 (en) 1985-07-26 1986-07-07 A roots type pump
DE8686109271T DE3669753D1 (de) 1985-07-26 1986-07-07 Roots-verdichter.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985113688U JPH0623753Y2 (ja) 1985-07-26 1985-07-26 ル−ツ式ポンプ

Publications (2)

Publication Number Publication Date
JPS6224080U true JPS6224080U (ja) 1987-02-13
JPH0623753Y2 JPH0623753Y2 (ja) 1994-06-22

Family

ID=14618662

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985113688U Expired - Lifetime JPH0623753Y2 (ja) 1985-07-26 1985-07-26 ル−ツ式ポンプ

Country Status (4)

Country Link
US (1) US4764098A (ja)
EP (1) EP0209788B1 (ja)
JP (1) JPH0623753Y2 (ja)
DE (1) DE3669753D1 (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE470337B (sv) * 1986-09-05 1994-01-24 Svenska Rotor Maskiner Ab Rotor till en skruvrotormaskin samt förfarande för dess tillverkning
US5018953A (en) * 1989-05-18 1991-05-28 Ishikawajima-Harima Jukogyo Kabushiki Kaisha Rotor with eccentrically positioned retainer pin
JP2873888B2 (ja) * 1991-12-27 1999-03-24 本田技研工業株式会社 スクリューポンプのロータ
CH685447A5 (de) * 1992-04-01 1995-07-14 Lindau Tech Forsch & Entw Gmbh Innenachsige Drehkolbenmaschine.
DE4437178C2 (de) * 1994-10-18 1999-07-01 Fristam Pumpen F Stamp Kg Gmbh Pumpe für flüssige Medien
CN1112515C (zh) * 1996-03-27 2003-06-25 北越工业株式会社 螺旋流体机械的螺旋转子的轴结构
DE19613262A1 (de) * 1996-04-02 1997-10-09 Festo Kg Drehkolbenrundlaufmotor
US6158997A (en) * 1999-06-30 2000-12-12 Fluid Management Gear pump
US6506037B1 (en) * 1999-11-17 2003-01-14 Carrier Corporation Screw machine
JP2001214869A (ja) * 2000-01-31 2001-08-10 Sumitomo Electric Ind Ltd オイルポンプ
US6688867B2 (en) 2001-10-04 2004-02-10 Eaton Corporation Rotary blower with an abradable coating
GB0228641D0 (en) * 2002-12-06 2003-01-15 Adams Ricardo Ltd Improvements in or relating to rotors for rotary machines
DE102008060539A1 (de) * 2008-12-04 2010-06-10 Pfeiffer Vacuum Gmbh Zweiwellige Vakuumpumpe
US9017052B1 (en) * 2009-03-30 2015-04-28 Harry Soderstrom Positive displacement pump with improved rotor design
US8087914B1 (en) * 2009-03-30 2012-01-03 Harry Soderstrom Positive displacement pump with improved rotor design
TW202037814A (zh) * 2019-04-10 2020-10-16 亞台富士精機股份有限公司 轉子及魯氏幫浦
US11085298B1 (en) * 2020-12-03 2021-08-10 Marlin Harold Thompson Rotary internal combustion engine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2337903A (en) * 1942-03-02 1943-12-28 Pesco Products Co Pump rotor manufacture
US2506491A (en) * 1948-11-08 1950-05-02 Phillips Petroleum Co Volume control
AT177058B (de) * 1950-03-11 1953-12-28 Daimler Benz Ag Antriebswelle für Kraftfahrzeuge
US3275225A (en) * 1964-04-06 1966-09-27 Midland Ross Corp Fluid compressor
US4086043A (en) * 1976-12-30 1978-04-25 Ingersoll-Rand Company Rotor with plastic sheathing
DD155102A1 (de) * 1980-12-05 1982-05-12 Dieter Prockat Beschichtete rotoren fuer rotationskolbenverdichter
JPS5981793A (ja) * 1982-11-01 1984-05-11 ホーチキ株式会社 警報設備の受信応答装置
JPS59165987A (ja) * 1983-03-08 1984-09-19 Shinpo Kogyo Kk 誘導電動機制御装置
JPS59224402A (ja) * 1983-06-03 1984-12-17 Oval Eng Co Ltd 容積型非噛合流量計又は原動機

Also Published As

Publication number Publication date
EP0209788A2 (en) 1987-01-28
EP0209788B1 (en) 1990-03-21
DE3669753D1 (de) 1990-04-26
US4764098A (en) 1988-08-16
JPH0623753Y2 (ja) 1994-06-22
EP0209788A3 (en) 1987-09-16

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