GB1450400A - Pumping device and processes - Google Patents

Pumping device and processes

Info

Publication number
GB1450400A
GB1450400A GB4347573A GB4347573A GB1450400A GB 1450400 A GB1450400 A GB 1450400A GB 4347573 A GB4347573 A GB 4347573A GB 4347573 A GB4347573 A GB 4347573A GB 1450400 A GB1450400 A GB 1450400A
Authority
GB
United Kingdom
Prior art keywords
pump
piston
delivery
delivery valve
cam
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
GB4347573A
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.)
Orica Ltd
Original Assignee
ICI Australia 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 ICI Australia Ltd filed Critical ICI Australia Ltd
Publication of GB1450400A publication Critical patent/GB1450400A/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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
    • F04B9/042—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being cams
    • 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
    • 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
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
    • 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
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/0076—Piston machines or pumps characterised by having positively-driven valving the members being actuated by electro-magnetic means
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

1450400 Reciprocating pumps ICI AUSTRALIA Ltd 17 Sept 1973 [22 Sept 1972 8 June 1973] 43475/73 Heading F1A A pump for supplying a liquid or gas at a constant flow-rate, e.g. for chromatographic apparatus, or metering liquid additive into a molten polymer stream for welt spinning fibres, comprises two pumps 28, 29 operating out of phase one pump performing its suction stroke and then operating at constant pressure against a closed delivery valve while the other pump effects its delivery stroke through an open delivery valve, the delivery valve of the one pump then being opened as the delivery valve of the other pump is closed, to provide a continuous pulse-less delivery, part of the force effecting the piston delivery stroke being provided by a fluid drive, e.g. a pneumatic piston motor 34, 35, and the remainder of the force being provided by a mechanical drive, e.g. a variable-speed electric motor-driven cam 26, 27 acting via the piston motor piston-rod, the suction strokes of the pump pistons being effected by the piston motors. Distributing valves 36, 37 for the piston motors are operated by a cam 38 driven by the pump cam electric motor. The pumps alternatively may be ram, diaphragm or bellows types, and may be hydraulically actuated.
GB4347573A 1972-09-22 1973-09-17 Pumping device and processes Expired GB1450400A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPB054872 1972-09-22
AUPB359673 1973-06-08

Publications (1)

Publication Number Publication Date
GB1450400A true GB1450400A (en) 1976-09-22

Family

ID=25641996

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4347573A Expired GB1450400A (en) 1972-09-22 1973-09-17 Pumping device and processes

Country Status (5)

Country Link
DE (1) DE2347717A1 (en)
FR (1) FR2200905A5 (en)
GB (1) GB1450400A (en)
IT (1) IT993072B (en)
NL (1) NL7312955A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210419A (en) * 1987-09-29 1989-06-07 Marathon Oil Co Hybrid high-pressure pump for gas liquid permeameters
US6113368A (en) * 1997-06-28 2000-09-05 Walter Hofmann Gmbh Method for supplying liquids by means of a pump combination comprising of two single oscillating displacement pumps, and device for accomplishing the method
GB2524147A (en) * 2014-02-06 2015-09-16 Waters Technologies Corp Method for high pressure gradient chromatography using pump stroke control
CN107917064A (en) * 2016-10-10 2018-04-17 天津有序环境科技发展有限公司 More uniformly ammoniate method for controlling pump
CN107917065A (en) * 2016-10-10 2018-04-17 天津有序环境科技发展有限公司 The ammonification pump equal control method of simplified transformation existing system
WO2022212504A1 (en) * 2021-03-31 2022-10-06 Waters Technologies Corporation Solvent delivery with a reduced volume single stroke pumping arrangement providing continuous solvent flow

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127360A (en) * 1976-12-16 1978-11-28 Carpenter Clarence W Bumpless pump apparatus adjustable to meet slave system needs
DE3007116C2 (en) * 1980-02-26 1986-11-20 Walter Hofmann, Maschinenfabrik, 2084 Rellingen Arrangement for pulsation-free delivery of a liquid medium
EP0309596B1 (en) * 1987-09-26 1993-03-31 Hewlett-Packard GmbH Pumping apparatus for delivering liquid at high pressure
GB201502686D0 (en) * 2015-02-18 2015-04-01 Finishing Brands Uk Ltd High pressure pump

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210419A (en) * 1987-09-29 1989-06-07 Marathon Oil Co Hybrid high-pressure pump for gas liquid permeameters
GB2210419B (en) * 1987-09-29 1991-07-17 Marathon Oil Co Hybrid high-pressure pump for gas-liquid permeameters
US6113368A (en) * 1997-06-28 2000-09-05 Walter Hofmann Gmbh Method for supplying liquids by means of a pump combination comprising of two single oscillating displacement pumps, and device for accomplishing the method
GB2524147A (en) * 2014-02-06 2015-09-16 Waters Technologies Corp Method for high pressure gradient chromatography using pump stroke control
GB2524147B (en) * 2014-02-06 2016-02-10 Waters Technologies Corp Method for high pressure gradient chromatography using pump stroke control
US10060886B2 (en) 2014-02-06 2018-08-28 Waters Technologies Corporation Method for high pressure gradient chromatography using pump stroke control
CN107917064A (en) * 2016-10-10 2018-04-17 天津有序环境科技发展有限公司 More uniformly ammoniate method for controlling pump
CN107917065A (en) * 2016-10-10 2018-04-17 天津有序环境科技发展有限公司 The ammonification pump equal control method of simplified transformation existing system
CN107917065B (en) * 2016-10-10 2019-09-27 天津有序环境科技发展有限公司 The ammonification of simplified transformation existing system pumps equal control method
WO2022212504A1 (en) * 2021-03-31 2022-10-06 Waters Technologies Corporation Solvent delivery with a reduced volume single stroke pumping arrangement providing continuous solvent flow

Also Published As

Publication number Publication date
NL7312955A (en) 1974-03-26
DE2347717A1 (en) 1974-03-28
FR2200905A5 (en) 1974-04-19
IT993072B (en) 1975-09-30

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed