JPH0585756B2 - - Google Patents

Info

Publication number
JPH0585756B2
JPH0585756B2 JP60138628A JP13862885A JPH0585756B2 JP H0585756 B2 JPH0585756 B2 JP H0585756B2 JP 60138628 A JP60138628 A JP 60138628A JP 13862885 A JP13862885 A JP 13862885A JP H0585756 B2 JPH0585756 B2 JP H0585756B2
Authority
JP
Japan
Prior art keywords
screw
sealed chamber
discharge
pressure
final sealed
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
JP60138628A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61294178A (ja
Inventor
Atsushi Shimomura
Hitoshi Chikuhichi
Yasuo Hirooka
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.)
Kawasaki Heavy Industries Ltd
Original Assignee
Kawasaki Heavy Industries 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 Kawasaki Heavy Industries Ltd filed Critical Kawasaki Heavy Industries Ltd
Priority to JP60138628A priority Critical patent/JPS61294178A/ja
Priority to DE8686304770T priority patent/DE3672411D1/de
Priority to EP86304770A priority patent/EP0209984B1/en
Priority to US06/877,247 priority patent/US4773837A/en
Publication of JPS61294178A publication Critical patent/JPS61294178A/ja
Publication of JPH0585756B2 publication Critical patent/JPH0585756B2/ja
Granted 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
JP60138628A 1985-06-24 1985-06-24 ねじポンプ Granted JPS61294178A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP60138628A JPS61294178A (ja) 1985-06-24 1985-06-24 ねじポンプ
DE8686304770T DE3672411D1 (de) 1985-06-24 1986-06-20 Schraubenpumpe.
EP86304770A EP0209984B1 (en) 1985-06-24 1986-06-20 Screw pump
US06/877,247 US4773837A (en) 1985-06-24 1986-06-23 Screw pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60138628A JPS61294178A (ja) 1985-06-24 1985-06-24 ねじポンプ

Publications (2)

Publication Number Publication Date
JPS61294178A JPS61294178A (ja) 1986-12-24
JPH0585756B2 true JPH0585756B2 (en, 2012) 1993-12-08

Family

ID=15226500

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60138628A Granted JPS61294178A (ja) 1985-06-24 1985-06-24 ねじポンプ

Country Status (4)

Country Link
US (1) US4773837A (en, 2012)
EP (1) EP0209984B1 (en, 2012)
JP (1) JPS61294178A (en, 2012)
DE (1) DE3672411D1 (en, 2012)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4107315A1 (de) * 1990-03-08 1991-09-12 Allweiler Ag Schraubenspindelpumpe
US5123821A (en) * 1990-03-08 1992-06-23 Allweiler Ag Screw spindle pump with a reduced pulsation effect
FR2668548B1 (fr) * 1990-10-24 1993-01-08 Malfit Jean Generateur-recepteur hydraulique pour la transmission de puissance.
US5653585A (en) * 1993-01-11 1997-08-05 Fresco; Anthony N. Apparatus and methods for cooling and sealing rotary helical screw compressors
US6623262B1 (en) 2001-02-09 2003-09-23 Imd Industries, Inc. Method of reducing system pressure pulsation for positive displacement pumps
RU2215189C2 (ru) * 2001-08-15 2003-10-27 Открытое Акционерное Общество "Сумское Машиностроительное Научно-Производственное Объединение Им. М.В. Фрунзе" Насос для перекачивания вязких жидкостей
GB2429751A (en) * 2005-08-31 2007-03-07 Alfa Laval Corp Ab Axially removable flanged wearplate for lobe pump
CN100360809C (zh) * 2005-09-30 2008-01-09 陈光亮 一种不等齿数的大流量高压双螺杆泵的螺杆齿形
CN100360810C (zh) * 2005-09-30 2008-01-09 浙江大学 一种大流量高压双螺杆泵的螺杆齿形
CN100360808C (zh) * 2005-09-30 2008-01-09 陈行 一种不等齿数的大流量高压三螺杆泵的螺杆齿形
CN100417816C (zh) * 2005-09-30 2008-09-10 浙江大学 一种大流量高压三螺杆泵的螺杆齿形
CN101779041B (zh) * 2007-08-07 2011-08-31 大金工业株式会社 单螺杆式压缩机
CN101779040B (zh) * 2007-08-07 2012-05-23 大金工业株式会社 单螺杆式压缩机及螺杆转子的加工方法
JP5262393B2 (ja) 2008-07-25 2013-08-14 株式会社アドヴィックス ３軸ねじポンプ
DE102013102031B4 (de) * 2013-03-01 2016-05-12 Netzsch Pumpen & Systeme Gmbh Aus wenigstens zwei Teilen gebildete Schraubenspindelpumpe
IT202100004148A1 (it) * 2021-02-23 2022-08-23 Settima Mecc S R L Assieme di viti per pompa a tre viti e pompa a tre viti comprendente detto assieme
IT202100004139A1 (it) * 2021-02-23 2022-08-23 Settima Mecc S R L Assieme di viti per pompa a tre viti e pompa a viti comprendente detto assieme

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2289371A (en) * 1938-03-01 1942-07-14 Jarvis C Marble Rotary screw apparatus
US2620968A (en) * 1945-11-03 1952-12-09 Jarvis C Marble Machine of the screw-compressor type
US2601003A (en) * 1946-05-17 1952-06-17 Bendix Aviat Corp Gear pump
US2845031A (en) * 1953-01-13 1958-07-29 Francis W Guibert Gear tooth construction for rotary fluid meters
US2924181A (en) * 1957-05-13 1960-02-09 Laval Steam Turbine Co Screw pumps or motors
US3103894A (en) * 1960-02-18 1963-09-17 Laval Turbine Screw pump
GB1300867A (en) * 1970-03-11 1972-12-20 Alexandr Ivanovi Borisoglebsky Improvements in or relating to rotary screw pumps, compressors or motors
DE2824762A1 (de) * 1978-06-06 1979-12-13 Bosch Gmbh Robert Zahnradmaschine (pumpe oder motor)

Also Published As

Publication number Publication date
EP0209984A1 (en) 1987-01-28
DE3672411D1 (de) 1990-08-09
JPS61294178A (ja) 1986-12-24
EP0209984B1 (en) 1990-07-04
US4773837A (en) 1988-09-27

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees