DE3170869D1 - A pulsation-free volumetric pump - Google Patents

A pulsation-free volumetric pump

Info

Publication number
DE3170869D1
DE3170869D1 DE8181108256T DE3170869T DE3170869D1 DE 3170869 D1 DE3170869 D1 DE 3170869D1 DE 8181108256 T DE8181108256 T DE 8181108256T DE 3170869 T DE3170869 T DE 3170869T DE 3170869 D1 DE3170869 D1 DE 3170869D1
Authority
DE
Germany
Prior art keywords
pulsation
volumetric pump
free volumetric
free
pump
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
DE8181108256T
Other languages
German (de)
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 DE3170869D1 publication Critical patent/DE3170869D1/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)
DE8181108256T 1980-10-18 1981-10-13 A pulsation-free volumetric pump Expired DE3170869D1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE3170869D1 true DE3170869D1 (en) 1985-07-11

Family

ID=15376772

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181108256T Expired DE3170869D1 (en) 1980-10-18 1981-10-13 A pulsation-free volumetric pump

Country Status (5)

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

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 (en) * 1987-07-10 1996-12-04 株式会社日立製作所 Pulseless pump controller
JP2745526B2 (en) * 1988-03-28 1998-04-28 株式会社島津製作所 Reciprocating liquid pump
US5971714A (en) * 1996-05-29 1999-10-26 Graco Inc Electronic CAM compensation of pressure change of servo controlled pumps
JP2001207951A (en) * 1999-11-16 2001-08-03 Reika Kogyo Kk Metering pump device
JP4626270B2 (en) * 2004-11-01 2011-02-02 株式会社島津製作所 Liquid feeding device
EP1852387B1 (en) * 2005-02-25 2013-04-03 Mitsubishi Heavy Industries, Ltd. Load handling regeneration method and load handling regeneration system of battery type industrial vehicle
JP4575844B2 (en) * 2005-06-03 2010-11-04 株式会社デンソー Rotating machine
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 (en) * 1977-08-17 1979-03-29 Zumtobel Kg Push piston pump for pulsation-free pumping of a liquid

Also Published As

Publication number Publication date
EP0050296B1 (en) 1985-06-05
CA1181509A (en) 1985-01-22
JPS6343591B2 (en) 1988-08-31
MX154463A (en) 1987-08-28
EP0050296A1 (en) 1982-04-28
JPS5770975A (en) 1982-05-01

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee