WO2010124900A3 - Polygonal ring for driving a piston pump, piston pump comprising such polygonal ring and method for making the polygonal ring - Google Patents

Polygonal ring for driving a piston pump, piston pump comprising such polygonal ring and method for making the polygonal ring Download PDF

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Publication number
WO2010124900A3
WO2010124900A3 PCT/EP2010/053192 EP2010053192W WO2010124900A3 WO 2010124900 A3 WO2010124900 A3 WO 2010124900A3 EP 2010053192 W EP2010053192 W EP 2010053192W WO 2010124900 A3 WO2010124900 A3 WO 2010124900A3
Authority
WO
WIPO (PCT)
Prior art keywords
polygonal ring
piston pump
axis
driving
making
Prior art date
Application number
PCT/EP2010/053192
Other languages
French (fr)
Other versions
WO2010124900A2 (en
Inventor
Vito Spinelli
Anton Holzhauer
Giovanni Gorgone
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2010124900A2 publication Critical patent/WO2010124900A2/en
Publication of WO2010124900A3 publication Critical patent/WO2010124900A3/en

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
    • F04B1/0404—Details or component parts
    • F04B1/0413—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

A polygonal ring (10) for driving a piston pump has an annular body (14) which extends around a given axis (A) and has a cylindrical internal surface (15) which extends around the axis (A); three planar external surfaces (16), each of which is parallel to the axis (A) and can exchange compressive forces with a respective piston of the piston pump; and three external surfaces (17), each of which is adjacent to two planar external surfaces (16) as seen in the circumferential direction and is shaped so as to define a recessed zone with respect to a hypothetical circumference (C1) which is centred on the axis (A) and extends through the ends of the external surface (17).
PCT/EP2010/053192 2009-04-30 2010-03-12 Polygonal ring for driving a piston pump, piston pump comprising such polygonal ring and method for making the polygonal ring WO2010124900A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI2009A000748A IT1396002B1 (en) 2009-04-30 2009-04-30 POLYGONAL RING TO OPERATE A PISTON PUMP, PISTON PUMP INCLUDING SUCH A POLYGONAL RING, AND METHOD TO REALIZE THE POLYGONAL RING
ITMI2009A000748 2009-04-30

Publications (2)

Publication Number Publication Date
WO2010124900A2 WO2010124900A2 (en) 2010-11-04
WO2010124900A3 true WO2010124900A3 (en) 2011-01-06

Family

ID=41403971

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/053192 WO2010124900A2 (en) 2009-04-30 2010-03-12 Polygonal ring for driving a piston pump, piston pump comprising such polygonal ring and method for making the polygonal ring

Country Status (2)

Country Link
IT (1) IT1396002B1 (en)
WO (1) WO2010124900A2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1254187A (en) * 1960-04-13 1961-02-17 Norton Tool Company Ltd Improvements to pumps, compressors and similar machines
DE19640596A1 (en) * 1996-10-01 1998-04-02 Rexroth Mannesmann Gmbh Radial piston pump
DE19856351C1 (en) * 1998-12-07 2000-04-13 Bosch Gmbh Robert Radial piston pump has axial bearing plate retained in housing by circlip and positioning lugs
DE10313745A1 (en) * 2003-03-27 2004-10-07 Robert Bosch Gmbh High pressure pump for IC engine fuel injection device e.g. for automobile, with hydrodynamic lubrication of bearings for ring segments operating pistons of pump elements
DE102007002730A1 (en) * 2007-01-18 2008-07-31 Siemens Ag Radial piston pump for internal combustion engine, has follower comprising cross-section with thickness, viewed in direction radially displaced at angle relative to piston axis, smaller than another thickness viewed in direction of axis

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1254187A (en) * 1960-04-13 1961-02-17 Norton Tool Company Ltd Improvements to pumps, compressors and similar machines
DE19640596A1 (en) * 1996-10-01 1998-04-02 Rexroth Mannesmann Gmbh Radial piston pump
DE19856351C1 (en) * 1998-12-07 2000-04-13 Bosch Gmbh Robert Radial piston pump has axial bearing plate retained in housing by circlip and positioning lugs
DE10313745A1 (en) * 2003-03-27 2004-10-07 Robert Bosch Gmbh High pressure pump for IC engine fuel injection device e.g. for automobile, with hydrodynamic lubrication of bearings for ring segments operating pistons of pump elements
DE102007002730A1 (en) * 2007-01-18 2008-07-31 Siemens Ag Radial piston pump for internal combustion engine, has follower comprising cross-section with thickness, viewed in direction radially displaced at angle relative to piston axis, smaller than another thickness viewed in direction of axis

Also Published As

Publication number Publication date
ITMI20090748A1 (en) 2010-11-01
IT1396002B1 (en) 2012-11-09
WO2010124900A2 (en) 2010-11-04

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