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GB2014648A - A Pump for Liquids - Google Patents

A Pump for Liquids

Info

Publication number
GB2014648A
GB2014648A GB7901895A GB7901895A GB2014648A GB 2014648 A GB2014648 A GB 2014648A GB 7901895 A GB7901895 A GB 7901895A GB 7901895 A GB7901895 A GB 7901895A GB 2014648 A GB2014648 A GB 2014648A
Authority
GB
United Kingdom
Prior art keywords
axis
piston
rotor
stroke
crosshead
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.)
Withdrawn
Application number
GB7901895A
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.)
ZF International UK Ltd
Original Assignee
Lucas 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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Priority to GB7901895A priority Critical patent/GB2014648A/en
Publication of GB2014648A publication Critical patent/GB2014648A/en
Withdrawn legal-status Critical Current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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/10—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary
    • F04B1/113—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary with actuating or actuated elements at the inner ends of the cylinders
    • F04B1/1133—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary with actuating or actuated elements at the inner ends of the cylinders with rotary cylinder blocks
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/06—Control
    • F04B1/07—Control by varying the relative eccentricity between two members, e.g. a cam and a drive shaft
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/10—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary
    • F04B1/107—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary with actuating or actuated elements at the outer ends of the cylinders
    • F04B1/1071—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary with actuating or actuated elements at the outer ends of the cylinders with rotary cylinder blocks
    • F04B1/1072—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary with actuating or actuated elements at the outer ends of the cylinders with rotary cylinder blocks with cylinder blocks and actuating cams rotating together
    • 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
    • F04B49/12—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 varying the length of stroke of the working members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Abstract

This invention relates to a pump e.g. for mounting in a petrol tank comprises a rotor 12 rotatable about a first axis and containing at least one bore 22 extending radially within the rotor 12 with respect to said first axis, a piston 24 slidably received in the bore 22 and a stroke member 29 associated with said piston 24 and constraining said piston 24 when the rotor 12 rotates about said first axis to orbit about a second axis parallel to said first axis so that said piston 24 reciprocates in said bore 22 through a stroke determined by the spacing between the first and second axis, said piston having coupled thereto a separately formed U-shaped member 26 whose limbs extend parallel to said axis, and said stroke member 29 including a crosshead 27 engaged by said member 26, said crosshead 27 having a pair of parallel oppositely presented faces co-operating respectively with said limbs of said member 26 and rotating in use about said second axis as said rotor 12 rotates, whereby when said rotor and said crosshead rotate about their respective axes the piston is caused to reciprocate in said bore, said U- shaped member 26 reciprocating across said surfaces of the crosshead 27 in a direction transverse to said axes. The stroke member 29 is movable to adjust the piston stroke. <IMAGE>
GB7901895A 1978-02-17 1979-01-18 A Pump for Liquids Withdrawn GB2014648A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7901895A GB2014648A (en) 1978-02-17 1979-01-18 A Pump for Liquids

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB632878 1978-02-17
GB7901895A GB2014648A (en) 1978-02-17 1979-01-18 A Pump for Liquids

Publications (1)

Publication Number Publication Date
GB2014648A true GB2014648A (en) 1979-08-30

Family

ID=26240614

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7901895A Withdrawn GB2014648A (en) 1978-02-17 1979-01-18 A Pump for Liquids

Country Status (1)

Country Link
GB (1) GB2014648A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188102A (en) * 1986-03-19 1987-09-23 Peter Robin Wilkinson Pump
DE3911562A1 (en) * 1989-04-08 1990-10-11 Herbert Weber Positive-displacement pump or positive-displacement motor for fluids
GB2290583A (en) * 1994-06-24 1996-01-03 Peter Robin Wilkinson Pump
EP1887222A1 (en) * 2006-07-26 2008-02-13 Hydro Leduc Improvement for radial piston pumps
WO2013175277A1 (en) * 2012-05-23 2013-11-28 Swissinnov Product Sarl Pulsation-free positive displacement rotary pump

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188102A (en) * 1986-03-19 1987-09-23 Peter Robin Wilkinson Pump
DE3911562A1 (en) * 1989-04-08 1990-10-11 Herbert Weber Positive-displacement pump or positive-displacement motor for fluids
GB2290583A (en) * 1994-06-24 1996-01-03 Peter Robin Wilkinson Pump
GB2290583B (en) * 1994-06-24 1998-01-14 Peter Robin Wilkinson Pump
EP1887222A1 (en) * 2006-07-26 2008-02-13 Hydro Leduc Improvement for radial piston pumps
WO2013175277A1 (en) * 2012-05-23 2013-11-28 Swissinnov Product Sarl Pulsation-free positive displacement rotary pump
US9970436B2 (en) 2012-05-23 2018-05-15 Swissinnov Product Sarl Pulsation-free positive displacement rotary pump

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)