EP2253853A1 - Roue cellulaire et son procédé de fabrication - Google Patents

Roue cellulaire et son procédé de fabrication Download PDF

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Publication number
EP2253853A1
EP2253853A1 EP09006742A EP09006742A EP2253853A1 EP 2253853 A1 EP2253853 A1 EP 2253853A1 EP 09006742 A EP09006742 A EP 09006742A EP 09006742 A EP09006742 A EP 09006742A EP 2253853 A1 EP2253853 A1 EP 2253853A1
Authority
EP
European Patent Office
Prior art keywords
cell
inner sleeve
outer sleeve
lamellae
edges
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Withdrawn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
EP09006742A
Other languages
German (de)
English (en)
Inventor
Karl Merz
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.)
MEC LASERTEC AG
Original Assignee
MEC LASERTEC AG
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 MEC LASERTEC AG filed Critical MEC LASERTEC AG
Priority to EP09006742A priority Critical patent/EP2253853A1/fr
Priority to EP10716258.8A priority patent/EP2433015B1/fr
Priority to JP2012511111A priority patent/JP5635081B2/ja
Priority to PCT/CH2010/000108 priority patent/WO2010133002A1/fr
Priority to PT107162588T priority patent/PT2433015E/pt
Priority to US13/318,656 priority patent/US20120057994A1/en
Priority to ES10716258T priority patent/ES2435006T3/es
Publication of EP2253853A1 publication Critical patent/EP2253853A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F13/00—Pressure exchangers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/26—Making other particular articles wheels or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/26—Making other particular articles wheels or the like
    • B21D53/267—Making other particular articles wheels or the like blower wheels, i.e. wheels provided with fan elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49236—Fluid pump or compressor making
    • Y10T29/49245—Vane type or other rotary, e.g., fan

Definitions

  • the present invention relates to a cellular wheel made of metal, having a cylindrical outer sleeve lying symmetrically to a rotational axis and a cylindrical inner sleeve concentric with the outer sleeve, the space between the outer sleeve and inner sleeve being bounded by cell edges aligned parallel to the axis of rotation and bounded in a multiplicity of rotationally symmetrical cell wall parts arranged cells is divided, wherein the cell edges are on cutting lines of concentric with the axis of rotation arranged cylinder jacket surfaces with rotationally symmetrical arranged axial planes.
  • a method suitable for producing the cellular wheel is also a method suitable for producing the cellular wheel.
  • the rotor In a pressure wave supercharger, the rotor is designed as a cellular wheel and is enclosed by an air and exhaust housing with a common jacket.
  • the development of modern pressure wave chargers for charging small engines leads to cell wheels with a diameter of the order of 100 mm or less.
  • To achieve a maximum cell volume and also for weight reduction cell wall thicknesses of 0.2 mm or less are desired.
  • the production of dimensionally stable and high-precision cell wheels with a low cell wall thickness is today hardly possible or associated with considerable additional costs.
  • Out EP-A-1 375 859 a cellular wheel of the type mentioned is known.
  • the cellular wheel has an outer sleeve, an inner sleeve concentric with the outer sleeve and an intermediate sleeve arranged concentrically between the outer sleeve and the inner sleeve. Between the outer sleeve and intermediate sleeve and between intermediate sleeve and inner sleeve radially aligned with the axis of rotation slats are arranged.
  • the individual cells are bounded by two adjacent lamellae and adjacent pods.
  • the invention is based on the object to provide a cellular wheel of the type mentioned, which has a higher stiffness compared to cell wheels according to the prior art with a comparable cell wall thickness.
  • the cell wheel should be able to be produced easily and inexpensively with the required precision.
  • Another object of the invention is to provide a dimensionally stable, lightweight cellular wheel for use in a pressure wave supercharger for supercharging internal combustion engines, in particular for supercharging small gasoline engines with a displacement of the order of 1 liter or less.
  • a still further object of the invention is to provide a method for inexpensively producing dimensionally stable and high precision cellular wheels having a cell wall thickness of 0.4 mm or less.
  • outer sleeve and inner sleeve define a network formed from a network of mesh-like coherent cell wall network formed cell structure, in which each pair of cell wall part delimiting cell edges lie simultaneously on adjacent cylinder jacket surfaces and adjacent axial planes wherein each cell edge on a cylindrical surface with each of the cell edges lying on two adjacent axial planes of an adjacent cylinder jacket surface bounds in each case two cell wall parts.
  • the cellular wheel has a significantly higher rigidity than the known cell wheels.
  • the absence of intermediate sleeves in addition to a significant weight reduction leads to a greatly increased passage cross-section.
  • the cell structure preferably has three or four cylinder jacket surfaces, but also cell wheels with more than four cylinder jacket surfaces are conceivable.
  • the cell structure is produced on the basis of the industrial production of honeycomb structures by stretching lamella packages of lamellae locally connected at different locations.
  • the joining of the two terminal lamellae of the stretched and bent plate pack along corresponding cell edges and the connection of the outer sleeve and the inner sleeve with the lamellar edges is preferably by welding the parts performed by means of a laser or electron beam.
  • connection of the lamellae pairs to individual cells and the connection of the lamellae or the cells with one another to the annular cell structure and with the inner sleeve is preferably carried out by welding the parts by means of a laser or electron beam.
  • the cellular wheel produced by the method according to the invention is preferably used in a pressure wave supercharger for supercharging internal combustion engines, in particular gasoline engines with a displacement of 1 liter or less.
  • cellular wheel 10 of a pressure wave supercharger not shown in the drawing consists of a symmetrical to a rotation axis y of the cellular wheel 10 lying, cylindrical outer sleeve 12 and concentric with the outer sleeve 12 lying, cylindrical inner sleeve 14.
  • Outer sleeve 12 and inner sleeve 14 define a cell structure 17 from a in Cross-section mesh-like from contiguous cell wall parts 19 formed network.
  • the annular space between the outer sleeve 12 and the inner sleeve 14 is of parallel to the rotation axis y aligned cell edges 20 limited cell wall parts 19 in a variety of
  • the cell edges 20 are located on cutting lines of cylinder jacket surfaces 18a, 18b, 18b1, 18b2, 18c arranged concentrically to the rotation axis y with axially symmetrical axial planes 21.
  • the cell walls each have a cell wall part 19 in pairs
  • Each cell edge 20 on a cylindrical surface 18a, 18b, 18b1, 18b2, 18c delimited with each of the two adjacent axial planes 21 of an adjacent cylindrical surface 18a, 18b, 18b1, 18b2, 18c lying cell edges 20 each have two other cell wall parts 19.
  • the annular cell structure 17 is bounded by the inner sleeve 14 and the outer sleeve 12. In this way, from the interstices of adjacent cells with deltoid cross section and the outer and inner sleeves 12,14 further cells 22 ', 22 "with triangular cross section.
  • the outer and inner cylindrical surface 18a, 18c with the inner wall of the outer sleeve 12 and the inner sleeve 14th coincide.
  • cell wheel 10 are the cell edges of the annular Cell structure at intersections of 72 rotationally symmetrical axial planes 21 with 4 cylinder jacket surfaces 18a, 18b1, 18b2, 18c, wherein the finished cellular 10, the outer and inner cylindrical surface 18a, 18c coincide with the inner wall of the outer sleeve 12 and the inner sleeve 14.
  • 2 ⁇ 36 cells 22a, 22b with a deltoid cross-section and 2 ⁇ 36 cells 22 ', 22 "with a triangular cross-section thus result
  • cellular 10 with a diameter D and a length L of z. B. per 100 mm has a total of 108 or 144 cells.
  • the outer sleeve 12, the inner sleeve 14 and the cell wall parts 19 have a uniform wall thickness of z. B. 0.4 mm and consist of a highly heat-resistant metallic material, for. Inconel 2.4856.
  • the said parts have in the direction of the rotation axis y an equal length L corresponding to the length of the cellular wheel 10 and extending between two perpendicular to the axis of rotation y end faces of the cellular wheel 10.
  • the lamellae 16 are strip-shaped, flat sheet-metal parts and are usually cut to a given length by a sheet metal strip in the form of rolls.
  • the length 1 of the lamellae corresponds to the length L of the cellular wheel 10.
  • the width b of the lamellae 16 or the lamella packet 26 is greater than the width or thickness B of the annular space or the annular cell structure 17 between the outer sleeve 12 and inner sleeve 14 and takes into account the subsequent distances and bending of the disk set 26 to the cell structure 17 entering decrease the width b of the disk set 26th
  • cell structure 17 are welded together a total of 72 fins 16 alternately in the region of the two longitudinal edges 16k and in the longitudinal center 16m over the entire length 1, so that finally a package 26 of 72 welded together lamellae 16 is formed. Subsequently, the package 26 is stretched out of the fins 16 welded together in a direction z perpendicular to the plane of the lamellae 16 and bent to the annular cell structure 17 until the first and last lamella 16 of the package 26 touch. In this position, the two terminal lamellae 16 of the package are welded together along their longitudinal center 16m.
  • the outer sleeve 12 and the inner sleeve 14 in the form of tubular sleeves from one end side up or inserted.
  • the cell walls of the annularly curved cell structure 17 are fixed in position in the predetermined angular position via tools introduced on the front side.
  • cell array 17 are welded together in the region of a first longitudinal edge 16k and between the longitudinal center and second longitudinal edge 16k and in the region of the second longitudinal edge 16k and between the longitudinal center and the first longitudinal edge 16k over the entire length 1, so that finally a package 26th from 72 welded together slats 16 is formed.
  • the package 26 of the welded together slats 16 in a Direction z is stretched perpendicular to the plane of the fins 16 and bent to the annular cell structure 17 until the first and the last lamella 16 of the package 26 touch. In this position, the two terminal lamellae 16 of the package are welded together along respective edges.
  • the outer sleeve 12 and the inner sleeve 14 in the form of tubular sleeves from one end side up or inserted.
  • the cell walls of the ring-shaped cell structure 17 are fixed in position in the predetermined angular position via tools 34 introduced at the front.
  • FIGS. 9 and 12 show that in an annular space between outer and inner sleeve with predetermined dimensions cell structures with a different number of cells according to the Fig. 3 and 6 can be installed.
  • FIGS. 17 and 18 respectively.
  • FIGS. 24 and 25 show as a variant of the above-described preparation of a cellular wheel 10 according Fig. 3 respectively.
  • Fig. 6 the assembly of a prefabricated inner sleeve 14 or flange sleeve 15 with individual or in pairs to cells 22 and 22a, 22b welded, preformed to their final, predetermined by the annular cell structure 17 shape of lamella 16.
  • the main difference from the previously described production is that a previously prepared inner sleeve 14 is fitted.
  • the joining of the individual lamellae 16 or cells 22 or 22a, 22b with each other takes place from the outside by means of a perpendicular to
  • the welding of the individual lamellae 16 or cells 22 or 22a, 22b with the inner sleeve 14 can from the outside by means of a guided at an angle to the corresponding axial plane 21 along the joint edge laser beam 30 'to form a fillet weld or from within the inner sleeve 14 by means of a laser beam 30 '' guided along the bumping edge perpendicular to the axis of rotation y to form a blind seam, but the welding of the last cell to the inner sleeve takes place from within the inner sleeve 14.
  • the inner sleeve 14 can be seamless Sleeve or be bent to a tubular sleeve and along a butt edge to form a longitudinal weld seam welded sheet metal strip.
  • the inner sleeve 14 equipped with lamellae 16 welded to pairs 22, 22a, 22b is directly connected to a drive shaft 13, ie, a flange sleeve can be dispensed with or inner sleeve 14 is already fitted with lamellae pushed onto a flange sleeve 15.
  • connection of the inner sleeve 14 with the flange sleeve 15 can be done for example by welding the end edges of inner sleeve 14 and flange sleeve 15 by means of laser beams 30 (not shown in the drawing).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Laser Beam Processing (AREA)
  • Supercharger (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP09006742A 2009-05-19 2009-05-19 Roue cellulaire et son procédé de fabrication Withdrawn EP2253853A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP09006742A EP2253853A1 (fr) 2009-05-19 2009-05-19 Roue cellulaire et son procédé de fabrication
EP10716258.8A EP2433015B1 (fr) 2009-05-19 2010-04-27 Procédé de fabrication d'une roue cellulaire
JP2012511111A JP5635081B2 (ja) 2009-05-19 2010-04-27 セルホイール及びセルホイールを製造するための方法
PCT/CH2010/000108 WO2010133002A1 (fr) 2009-05-19 2010-04-27 Roue cellulaire et son procédé de fabrication
PT107162588T PT2433015E (pt) 2009-05-19 2010-04-27 Rotor celular e método para a sua fabricação
US13/318,656 US20120057994A1 (en) 2009-05-19 2010-04-27 Cellular wheel and method for the production thereof
ES10716258T ES2435006T3 (es) 2009-05-19 2010-04-27 Procedimiento para la fabricación de una rueda celular

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09006742A EP2253853A1 (fr) 2009-05-19 2009-05-19 Roue cellulaire et son procédé de fabrication

Publications (1)

Publication Number Publication Date
EP2253853A1 true EP2253853A1 (fr) 2010-11-24

Family

ID=40810727

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09006742A Withdrawn EP2253853A1 (fr) 2009-05-19 2009-05-19 Roue cellulaire et son procédé de fabrication
EP10716258.8A Active EP2433015B1 (fr) 2009-05-19 2010-04-27 Procédé de fabrication d'une roue cellulaire

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP10716258.8A Active EP2433015B1 (fr) 2009-05-19 2010-04-27 Procédé de fabrication d'une roue cellulaire

Country Status (6)

Country Link
US (1) US20120057994A1 (fr)
EP (2) EP2253853A1 (fr)
JP (1) JP5635081B2 (fr)
ES (1) ES2435006T3 (fr)
PT (1) PT2433015E (fr)
WO (1) WO2010133002A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2672123A1 (fr) * 2012-06-07 2013-12-11 MEC Lasertec AG Roue cellulaire, en particulier pour un système de suralimentation à ondes de pression

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2450121A1 (fr) * 2010-11-03 2012-05-09 MEC Lasertec AG Procédé de fabrication d'une roue cellulaire
CN117583789B (zh) * 2024-01-17 2024-03-29 云南渝霖模板制造有限公司 一种挂篮自动化焊接装置及其焊接方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB840408A (en) * 1958-02-28 1960-07-06 Power Jets Res & Dev Ltd Improvements in and relating to pressure exchangers
GB920624A (en) * 1961-02-21 1963-03-13 Power Jets Res & Dev Ltd Improvements in or relating to pressure exchanger cell rings
GB999036A (en) * 1963-07-10 1965-07-21 Bbc Brown Boveri & Cie Cell wheel for a pressure wave machine
DE4127681A1 (de) * 1990-08-24 1992-03-26 Seibu Giken Kk Verfahren zur herstellung eines gesamtwaermeenergie-austauschelements
EP1375859A2 (fr) 2002-06-28 2004-01-02 Swissauto Engineering S.A. Procédé de contrôle d'un moteur à combustion interne avec une machine à ondes de pression à dynamique des gaz
US20040211548A1 (en) * 2003-04-24 2004-10-28 Berchowitz David M. Involute foil regenerator

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GB693009A (en) * 1950-07-06 1953-06-17 Brown Fintube Co Method and product of the method of making tubes having internal fins
US2803578A (en) * 1954-01-14 1957-08-20 California Reinforced Plastics Extensible zigzag pack and method of making same
US3109580A (en) * 1961-01-20 1963-11-05 Power Jets Res & Dev Ltd Pressure exchangers
US4309972A (en) * 1979-12-03 1982-01-12 Ford Motor Company Centrifugal advanced system for wave compression supercharger
US4450027A (en) * 1982-08-09 1984-05-22 Colson Wendell B Method and apparatus for fabricating honeycomb insulating material
US4676855A (en) * 1985-10-25 1987-06-30 Hunter Douglas, Inc. Method of fabricating honeycomb structures
JPH0735730B2 (ja) * 1987-03-31 1995-04-19 日本碍子株式会社 圧力波式過給機用排気ガス駆動セラミックローターとその製造方法
JPH0255630A (ja) * 1988-08-22 1990-02-26 Nissan Motor Co Ltd ハニカム構造体
US5106444A (en) * 1988-12-22 1992-04-21 Comfortex Corporation Method for making a multi-cellular collapsible shade
DE3906551A1 (de) * 1989-03-02 1990-09-06 Asea Brown Boveri Gasdynamische druckwellenmaschine
US5160563A (en) * 1989-10-05 1992-11-03 Graber Industries, Inc. Method and apparatus for making an expandable cellular shade
US5043038A (en) * 1989-12-08 1991-08-27 Hunter Douglas Inc. Method of manufacture of expandable and collapsible single-panel shades of fabric
US5437936A (en) * 1991-05-13 1995-08-01 Johnson; Jeffrey D. Honeycomb core structure and method and apparatus relating thereto
AT408785B (de) * 1995-11-30 2002-03-25 Blank Otto Ing Aufladeeinrichtung für die ladeluft einer verbrennungskraftmaschine
US6672186B2 (en) * 2000-04-13 2004-01-06 Comfortex Corporation Method of making a single-cell window covering
US6527895B1 (en) * 2000-08-17 2003-03-04 Newell Window Furnishings, Inc. Method and apparatus for making a cellular structure
TWI277511B (en) * 2005-08-17 2007-04-01 Metal Ind Res & Dev Ct Honeycomb insulating panel and method of making the same
CN102240151B (zh) * 2010-05-10 2013-08-28 德侑股份有限公司 窗帘用双蜂巢结构及其制程

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB840408A (en) * 1958-02-28 1960-07-06 Power Jets Res & Dev Ltd Improvements in and relating to pressure exchangers
GB920624A (en) * 1961-02-21 1963-03-13 Power Jets Res & Dev Ltd Improvements in or relating to pressure exchanger cell rings
GB999036A (en) * 1963-07-10 1965-07-21 Bbc Brown Boveri & Cie Cell wheel for a pressure wave machine
DE4127681A1 (de) * 1990-08-24 1992-03-26 Seibu Giken Kk Verfahren zur herstellung eines gesamtwaermeenergie-austauschelements
EP1375859A2 (fr) 2002-06-28 2004-01-02 Swissauto Engineering S.A. Procédé de contrôle d'un moteur à combustion interne avec une machine à ondes de pression à dynamique des gaz
US20040211548A1 (en) * 2003-04-24 2004-10-28 Berchowitz David M. Involute foil regenerator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2672123A1 (fr) * 2012-06-07 2013-12-11 MEC Lasertec AG Roue cellulaire, en particulier pour un système de suralimentation à ondes de pression
US9562435B2 (en) 2012-06-07 2017-02-07 Mec Lasertec Ag Cellular wheel, in particular for a pressure wave supercharger

Also Published As

Publication number Publication date
EP2433015A1 (fr) 2012-03-28
JP2012527557A (ja) 2012-11-08
JP5635081B2 (ja) 2014-12-03
PT2433015E (pt) 2013-12-12
WO2010133002A1 (fr) 2010-11-25
US20120057994A1 (en) 2012-03-08
ES2435006T3 (es) 2013-12-18
EP2433015B1 (fr) 2013-09-11

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