CA1181509A - Pulsation-free volumetric pump - Google Patents

Pulsation-free volumetric pump

Info

Publication number
CA1181509A
CA1181509A CA000387924A CA387924A CA1181509A CA 1181509 A CA1181509 A CA 1181509A CA 000387924 A CA000387924 A CA 000387924A CA 387924 A CA387924 A CA 387924A CA 1181509 A CA1181509 A CA 1181509A
Authority
CA
Canada
Prior art keywords
direct current
current component
cam
plungers
pressure
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
Application number
CA000387924A
Other languages
English (en)
French (fr)
Inventor
Takashi Akiba
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.)
Nikkiso Co Ltd
Original Assignee
Nikkiso 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 Nikkiso Co Ltd filed Critical Nikkiso Co Ltd
Application granted granted Critical
Publication of CA1181509A publication Critical patent/CA1181509A/en
Expired 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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/20—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the driving speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/005—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons
    • F04B11/0058—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons with piston speed control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2203/00—Motor parameters
    • F04B2203/02—Motor parameters of rotating electric motors
    • F04B2203/0209—Rotational speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
CA000387924A 1980-10-18 1981-10-14 Pulsation-free volumetric pump Expired CA1181509A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14507480A JPS5770975A (en) 1980-10-18 1980-10-18 Non-pulsation metering pump
JP145074/80 1980-10-18

Publications (1)

Publication Number Publication Date
CA1181509A true CA1181509A (en) 1985-01-22

Family

ID=15376772

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000387924A Expired CA1181509A (en) 1980-10-18 1981-10-14 Pulsation-free volumetric pump

Country Status (5)

Country Link
EP (1) EP0050296B1 (enrdf_load_stackoverflow)
JP (1) JPS5770975A (enrdf_load_stackoverflow)
CA (1) CA1181509A (enrdf_load_stackoverflow)
DE (1) DE3170869D1 (enrdf_load_stackoverflow)
MX (1) MX154463A (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2180467A (en) * 1985-09-18 1987-04-01 Philips Electronic Associated Liquid chromatograph
GB2195473B (en) * 1986-09-17 1990-08-15 Philips Electronic Associated Liquid chromatograph
US4753581A (en) * 1987-02-10 1988-06-28 Milton Roy Company Constant suction pump for high performance liquid chromatography
JP2559414B2 (ja) * 1987-07-10 1996-12-04 株式会社日立製作所 無脈動ポンプの制御装置
JP2745526B2 (ja) * 1988-03-28 1998-04-28 株式会社島津製作所 往復動型送液ポンプ
US5971714A (en) * 1996-05-29 1999-10-26 Graco Inc Electronic CAM compensation of pressure change of servo controlled pumps
JP2001207951A (ja) * 1999-11-16 2001-08-03 Reika Kogyo Kk 定量ポンプ装置
JP4626270B2 (ja) * 2004-11-01 2011-02-02 株式会社島津製作所 送液装置
JP4727653B2 (ja) * 2005-02-25 2011-07-20 三菱重工業株式会社 バッテリ式産業車両の荷役回生方法及び荷役回生システム
JP4575844B2 (ja) * 2005-06-03 2010-11-04 株式会社デンソー 回転機械
GB2481624A (en) * 2010-07-01 2012-01-04 Agilent Technologies Inc Controller and piezoelectric actuator provides pressure ripple compensation in chromatographic pump drive

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131393A (en) * 1977-01-21 1978-12-26 Altex Scientific, Inc. Fluid pump mechanism
DE2737062B1 (de) * 1977-08-17 1979-03-29 Zumtobel Kg Schubkolbenpumpe zur pulsationsfreien Foerderung einer Fluessigkeit

Also Published As

Publication number Publication date
JPS6343591B2 (enrdf_load_stackoverflow) 1988-08-31
MX154463A (es) 1987-08-28
EP0050296A1 (en) 1982-04-28
DE3170869D1 (en) 1985-07-11
EP0050296B1 (en) 1985-06-05
JPS5770975A (en) 1982-05-01

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Legal Events

Date Code Title Description
MKEX Expiry