WO2007110025A2 - Leitrad für einen hydrodynamischen drehmomentwandler, verfahren zur herstellung eines derartingen leitrades sowie hydrodynamischer drehmomentwandler mit einem derartingen leitrad - Google Patents
Leitrad für einen hydrodynamischen drehmomentwandler, verfahren zur herstellung eines derartingen leitrades sowie hydrodynamischer drehmomentwandler mit einem derartingen leitrad Download PDFInfo
- Publication number
- WO2007110025A2 WO2007110025A2 PCT/DE2007/000388 DE2007000388W WO2007110025A2 WO 2007110025 A2 WO2007110025 A2 WO 2007110025A2 DE 2007000388 W DE2007000388 W DE 2007000388W WO 2007110025 A2 WO2007110025 A2 WO 2007110025A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- blades
- stator
- components
- torque converter
- inner ring
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
- F16H41/24—Details
- F16H41/28—Details with respect to manufacture, e.g. blade attachment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
- F16H41/24—Details
- F16H41/26—Shape of runner blades or channels with respect to function
Definitions
- the invention relates to a stator for a hydrodynamic torque converter, a method for producing such a stator and a hydrodynamic torque converter with such a stator.
- a stator for a hydrodynamic torque converter which is formed by means of two axially adjacent, separately manufactured and interconnected sheet metal parts, each of these two sheet metal parts provides a radial inner ring and a radial outer ring and wherein the two outer rings formed therewith connected are and wherein the two inner rings formed therewith are connected together.
- Shovels are formed between the inner rings and the outer rings.
- These blades are formed by bending portions of these blades out of the sheet metal moldings, such that each of the blades is composed of two separate parts. This is such that one of the two sheet-metal shaped parts for each of the blades forms the blade leading edge and adjoining sections. Det and the other of the two sheet metal parts forming the respective blade outlet edges with the adjacent thereto areas, so that by means of the areas provided by the two sheet metal parts respectively blades are formed, each made of two parts.
- the invention is an object of the invention to provide a stator for a hydrodynamic torque converter, which requires a small axial space for its blades and, moreover, cost and manufacturing technology in a simple manner can be produced.
- stator according to claim 1 or according to claim 2 or according to claim 10 or according to claim 11 is proposed.
- An inventive torque converter is the subject of claim 12.
- a method according to the invention is the subject of claim 13. Preferred developments are subject of the dependent claims.
- a blade or stator for a hydrodynamic torque converter has a plurality of blades.
- the stator has a plurality of separately manufactured and in each case one or more of the blades of the stator having components which are fixedly connected to each other, wherein these components are arranged relative to each other so that the blades of various of these components each in which about a central axis of the guide wheel extending circumferential direction to form given in this circumferential direction spaces are offset from each other.
- each of the blades is formed between their respective leading edge and their respective trailing edge of a one-piece part, so that each of the blades of each one of the one or more of the blades of the stator having components, in particular integrally formed.
- each of the blades is in each case produced from an integral part, that is to say in particular not from two parts, as is provided according to US Pat. No. 3,572,034. one of which provides the leading edge portion and the other provides the trailing edge portion.
- Different blades can be assigned to different components or be formed by these in an advantageous embodiment of the invention, however. Particularly advantageous is a development in which circumferentially adjacent blades are each formed by separate components.
- a blade or stator for a hydrodynamic torque converter is proposed, wherein the blades of this blade or stator and / or the one or more blades having components are made of sheet metal.
- a stator for a hydrodynamic torque converter which has a plurality of separately manufactured and each having one or more of the blades of the stator having components which are fixedly interconnected and each having an inner ring and an outer ring, wherein the axial distance of two adjacent Outer rings of the axial distance of these two outer rings associated inner rings to form a - in particular the axial - increase stiffness spreading differ from each other.
- each of the blades is formed of solid material, that is, in particular not designed as a hollow blade.
- the blades each have a substantially constant thickness.
- the blades preferably have a rectangular shape across the thickness.
- stator with blade-shaped paddle wheel in particular for use in a torque converter, is provided.
- a blade or stator for a hydrodynamic torque converter having a radially inner inner ring means and a radially outer outer ring means, and a plurality of blades which radially between the inner ring Device and the outer ring means are provided, wherein the minimum axial blade length is less than or equal to 9.5 mm and / or the ratio of minimum axial blade length to the outer diameter of the blading takes values which is less than or equal to 0.056, preferably less than or equal to 0.035, preferably less than or equal to 0.02 and / or the ratio of minimum axial blade length to the transducer width, in particular converter width of a torque converter in which the blade or guide wheel is installed, less than or equal to 0.18, preferably less than or equal to 0.15 , preferably less than or equal to 0.12, preferably smaller or equal I is 0.1, and wherein the number of blades is greater than or equal to 40, preferably greater than or equal to 46, preferably greater than or equal
- a torque converter for motor vehicles is proposed in particular, wherein the torque converter has a pump wheel, a turbine wheel and a stator, wherein the stator is designed according to a stator according to the invention.
- a method for producing a stator for a hydrodynamic torque converter which comprises the following steps:
- FIG. 1 shows the steps of an exemplary method according to the invention in a schematic representation
- FIG. 2 shows a (first) exemplary paddle wheel or stator according to the invention in a 3-D view with two intermeshing blade plates;
- FIG. 3 shows a conventional blade profile of a stator in comparison to the profile of a blade wheel or blade profile formed of sheet metal of an exemplary stator according to the invention
- FIG. 4 shows an exemplary torque converter device according to the invention with an exemplary stator according to the invention
- Fig. 5 is a table of values which may be given in an exemplary embodiment, and in particular the exemplary designs according to the remaining figures.
- Fig. 6 shows another exemplary inventive stator in partial representation, which may be part of an exemplary torque converter device according to the invention.
- FIG. 1 shows a schematic view of the steps of an exemplary method according to the invention.
- step 10 at least one sheet or at least one sheet metal blank is provided.
- this sheet metal or sheet metal blank is processed by cutting, such as cutting or laser cutting or sawing or the like. This can for example be such that the sheet or the sheet metal blank is formed into a round sheet metal blank or to a round sheet metal. Furthermore, it can be provided in step 12 that sections are produced which are blades or form vanes or vanes in the finished stator. For this purpose, in particular the circumferential contours or sections of the circumferential contours can be generated by separation.
- the stator to be produced has an inner ring and / or an outer ring and that in the context of the separation according to step 12, a section is generated, which is to form the outer ring and / or a portion is generated, which later form the inner ring should be generated and / or sections that are to form blades afterwards. It can be provided that the separation is carried out so that after separation, the blades or the sections that are to form blades, integral with the portion that will later form the inner ring and / or the portion that will later form the outer ring stay connected.
- the or a component of the stator which is formed from the metal sheet or the sheet metal blank, is a component which has one or more blades and an inner ring (and not additionally an outer ring) or formed.
- the or a component which is formed from the metal sheet or sheet metal blank a component which has or forms an inner ring of the stator and a plurality of blades, but not an outer ring of the stator.
- the or a component which is formed from the metal sheet or the metal sheet is such that it has an inner ring and an outer ring and one or more radially extending between this inner ring and this outer ring blades or formed.
- step 14 the plate spanning a plane or the metal plate spanning a plane is processed by forming to form a component of the stator wheel having at least one blade. This deformation can be done in particular by bending and / or deep drawing.
- one or more blades of the stator to be manufactured are displaced or bent so that they are displaced relative to the plane of the sheet or the plane of the sheet metal sheet.
- the sheet metal or the sheet metal blank, at least prior to forming spans an arc which is substantially perpendicular to the axis of rotation of the finished component or of the finished stator wheel.
- a plurality of components of the stator wheel to be produced are manufactured in the aforementioned manner.
- the exact contour of these (different) components may have some differences.
- the resulting components are designed so that they - can be joined together axially, in particular with respect to the axial direction of the axis of rotation of the stator to be generated.
- These components may differ in particular also with regard to the number of blades produced.
- a plurality of components of the stator to be produced are each made of a metal sheet, these components each having blades of the stator to be generated.
- the blades are in particular so that they form complete blades, which are thus complete from the leading edge of the blade to the trailing edge of the blade over the entire blade.
- the individual components of the stator wheel to be produced according to a method explained with reference to FIG. 1 are each such that they have an inner ring and an outer ring and vanes extending radially between this inner ring and this outer ring, which are integral are respectively connected to the respectively relevant inner ring and integral with the respective outer ring in question, or in each case as a whole of each one-piece sheet metal or a one-piece sheet metal blank were produced.
- the mentioned various components of the stator to be produced are then joined together according to this development, and in particular - related to the axial direction of the axis of rotation of the stator to be generated - axially joined together.
- Prior to this joining they are positioned relative to each other in such a way that the blades of each of several one or more blades having components of the stator to be produced in the - relative to the central longitudinal axis of the stator to be manufactured - circumferentially spaced all blades, which are part of a are any of or the other one or more blades having component.
- the components which each have one or more blades are positioned relative to one another prior to joining in such a way that, after joining, the circumferential direction of the circumferential direction of the central longitudinal axis of the guide wheel to be produced is essentially the circumferential direction are given the same distances in each case adjacent blades, with this particular to the respective same radial position - based on the radial direction of the mentioned central longitudinal axis - relates.
- stator blade impeller or a stator can be done from one or more stationary sheet metal blanks or sheets. These sheet metal plates or sheets can be produced, for example, in the context of a separation or be formed as round sheets or sheet metal blanks.
- the blades are bent for example by means of a mold from the plane of the corresponding prefabricated sheet metal blank. By using two or more blanks, the blades of which intermesh later offset, also paddle wheels or guide wheels with very tight and / or overlapping blades can be easily made (small or negative visual clearance). In this way, very narrow vanes with high numbers of blades can be realized. During bending, the blades receive the blade angle distribution required for the respectively desired hydrodynamic properties, by means of which the flow deflection is determined.
- the paddle wheel obtained after the bending or forming operation can be used to reduce the manufacturing costs without further shaping or else be optimized by further shaping steps (eg embossing the entry and exit edges of the blades, upsetting the edges, etc.) in its hydrodynamic properties.
- the execution of the stator or impeller can be done with radially outwardly free ending or expiring in a flat outer region of the board blades.
- the flat outer region of the board or the sheet can be bent in other steps to the desired page.
- the connection of the paddle wheels to the stator hub can be done for example by screwing, riveting, welding or other joining techniques.
- FIG. 2 shows an example of a paddle wheel or guide wheel 2 according to the invention in a schematic representation.
- This paddle wheel or stator 2 has two, in particular exactly two, components 20, 22, which are blade plates or guide plate plates 20, 22 here. This is so here that the components 20, 22 or blade plates 20, 22 or Leitradbleche 22, 20 interlock.
- Each of the two components 20, 22 or blade plates 20, 22 or Leitradbleche 20, 22 - in the following is for simplicity of blade plates 20, 22 spoken - has an inner ring 24 and 26, an outer ring 28 and 30 and a plurality of Blades 32 and 34, respectively.
- the inner rings 24, 26 of the components 20 and 22 are substantially formed so that they can be congruent to each other or superimposed, in particular when viewed in the axial direction of the impeller or stator 2.
- outer rings 28 and 30 are substantially formed so that they can be placed substantially congruent to each other or one above the other, in particular when viewed in the axial direction of the impeller or stator 2.
- the components 20 and 22 are - in particular axially - to each other and in particular so that the addressed inner rings 24 and 26, on the one hand, and the mentioned outer rings 28, 30, on the other hand, seen in the axial direction of the impeller or stator 2 essentially overlapping one another.
- the two components 20, 22 are, relative to the circumferential direction of the central longitudinal axis or the rings 24, 26, 28, 30, arranged so rotated relative to each other that the blades 32, which are formed by the first member 20, in the circumferential direction respectively spaced apart from the blades 34 formed by the second component 22.
- the number of blades 32 formed by the first component 20 is equal to the number of blades 34 that are formed by or on the second component 22.
- the mentioned number of blades 32, which are formed by the first component 20 is greater than the number of blades 34, which are formed by or on the second component 22, or that the number of blades 32 formed by the first component 20 is smaller than the number of blades 34 formed by the second component 22.
- the first component is fixedly connected to the second component, for example by welding or soldering or screwing or the like.
- the blades 32, 34 are each arranged such that their main extension direction or the surface respectively spanned by them does not lie in the plane which is spanned by the rings 24, 26, 28, 30.
- the blades 32, 34 are in particular twisted or twisted with respect to the plane which is spanned by the rings 26, 28, 30, 32.
- FIG. 2 The design shown in FIG. 2 can be produced in an advantageous embodiment according to a method explained with reference to FIG. 1 and further developed in accordance with the refinements explained there.
- the blades 32 are integrally connected to the inner ring 24 and the outer ring 28 or are made of a one-piece part, and that the blades 34 are integrally connected to the inner ring 26 and the outer ring 30 or are made of a one-piece part.
- the Applicant has already made an exemplary prototype of an exemplary inventive design.
- the impeller or stator 2 was machined from aluminum.
- the characteristic curve shows in the prototype comparable properties as a conventional stator, which has for example 27 blades, with the same blade angle distribution, but the meridional length is reduced by about 50% and the number of blades has been doubled to 54.
- a design formed from sheet metal can in particular be such that two sheet-metal parts with 27 blades each are provided.
- the two (sheet metal) parts can be flat at the outer and inner radius, for example.
- the axial offset of the blades by the "stacking" of the two sheet metal parts is compensated in an advantageous embodiment, which can also be dispensed with, since studies have shown that this results in only small differences in characteristics.
- a paddle wheel formed of sheet metal for guide wheels of torque converters for space and cost reduction is created.
- the production takes place for example by means of bending tool from appropriately prepared sheet metal blanks.
- guide wheels with very tightly spaced or overlapping blades can be easily realized. In this way, very narrow guide wheels can be realized with high numbers of blades.
- FIG. 3 shows an exemplary conventional blade profile 40 as compared to an exemplary profile 42 of a sheet-formed paddle.
- This exemplary, formed from sheet metal profile 42 is in particular such, which may be given in an exemplary embodiment of the invention, such as the embodiment of FIG. 2 or the embodiment of FIG. 4. 3 it can be seen that the distance from the leading edge 40 to the trailing edge 46 in a conventional blade profile is greater than the distance from the leading edge 48 to the trailing edge 50 of the exemplary blade profile 42 according to the invention. It should be noted that the distance between the respective leading edge and the respective trailing edge, in particular, should be the distance measured along the respective skeleton line. Furthermore, it can be seen from FIG. 3 that the conventional blade profile 40 is made more rounded and that the exemplary blade profile according to the invention can, for example, have a substantially constant blade thickness.
- FIG. 4 shows an exemplary torque converter device 1 according to the invention, in which an exemplary stator 2 according to the invention is provided, for example the exemplary stator 2 according to the invention explained with reference to FIG. 2.
- the torque converter device 1 has a torque converter 60 with a pump wheel 62, a turbine wheel 64 and a stator 2 designed in an exemplary manner according to the invention. Furthermore, the torque converter device 1 has a converter housing 66 and a lockup clutch 68. Further, the torque converter device 1 has a torsional vibration damper 70.
- the converter housing 66 may be rotatably coupled to a motor shaft or shaft in driving connection therewith. From the converter housing 66, a torque can be transmitted via the torque converter 60 to an output shaft 72. This applies in particular when the lockup clutch 68 is open. By closing the lockup clutch 68, a torque can be transmitted from the converter housing 66 via the lockup clutch 68 to the output shaft 72, bypassing the torque converter 60.
- the minimum axial blade length b is less than or equal to 9.5 mm and / or the ratio of minimum axial blade length b to outer diameter d of the blading assumes values that are less than or equal to 0.056 and / or the ratio of minimum axial blade length b to transducer width B is less than or equal to 0.18.
- the number of blades N s of the guide wheel 2 in the design according to FIG. 4 is greater than or equal to 40 and / or the ratio of blade number to outer diameter of the blading (N s / d) is greater than or equal to 0.2.
- Such guide wheels may e.g. done by die casting, but also by punching or bending the blade wheel of sheet metal.
- the space required for the hydrodynamic circuit space can be reduced or significantly reduced.
- a stator or impeller 2 corresponding to the design according to FIG. 2 is used. It may further be provided that in the design according to FIG. 4, the blades have blade profiles which correspond to the blade profile 42 explained with reference to FIG. 3.
- stator or impeller in the design according to FIG. 4 is produced by a method according to the invention, in particular a method according to the invention which has been explained with reference to FIG. 1 or development of such a method.
- FIG. 5 shows a table with exemplary values for characteristic values mentioned there, which may for example be given in the design according to FIG. 4.
- FIG. 6 shows a further, exemplary embodiment of a paddle wheel or stator wheel 2 according to the invention, which may be part of an exemplary torque converter device 1 according to the invention.
- a first component 20 and a second component 22 are provided, which are each designed, for example, as shaped sheet metal parts. But it can also be provided that these components 20, 22 are made for example in aluminum technology.
- the first component 20 is made of a one-piece part and forms an inner ring 24 and an outer ring 28.
- the second component 22 is made of a one-piece part and forms an inner ring 26 and an outer ring 30. Radially between these inner rings 24, 26 and these outer rings 28, 30, a plurality of blades 32, 34 is formed. This is in particular such that the blades 32 are each assigned to the first component 20 and the blades 34 are each assigned to the second component 22, or that the first component 20 is integrally formed with the (complete) blades 32, and the second Component 22 with the (full) blades 34 is integrally formed.
- Each of the blades 32 and 34 is formed between their respective leading edge and their respective trailing edge of a one-piece part, so that each of the blades 32 b. 34 each of exactly one of the components 20 or 22 is integrally formed.
- each of the blades between their respective leading edge and their respective trailing edge is formed from an integral part, so that each of the blades is in each case integrally formed by exactly one of the components 20 or 22 is trained.
- the axial spacing of the two inner rings 24 and 26 deviates from the axial spacing of the two outer rings 28 and 30. This is so here that the two outer rings 28, 30 - seen in the axial direction - lie directly against each other and the two inner rings 24, 26 - seen in the axial direction - have such a distance from each other that between these two rings, 24 and 26, an axial gap is trained. It is thus created to increase the axial stiffness a spread.
- Torque converter device Paddle or stepwheel Step Step First component Second component Inner ring of 20 Inner ring of 22 Outer ring of 20 Outer ring of 22 Scoop of 20 Scoop of 22 Inner ring device
- Exemplary conventional blade profile Exemplary blade profile according to the invention Entry edge of 40 Exit edge of 40 Leading edge of 42 Outlet edge of 42 Torque converter Impeller Turbine wheel Converter housing Lock-up clutch Torsional vibration damper Output shaft
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Hydraulic Turbines (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009501836A JP5200265B2 (ja) | 2006-03-24 | 2007-03-01 | ハイドロダイナミック式トルクコンバータ用のガイドホイール、このようなガイドホイールを製造する方法及びこのようなガイドホイールを備えたハイドロダイナミック式トルクコンバータ |
DE112007000501T DE112007000501A5 (de) | 2006-03-24 | 2007-03-01 | Leitrad für einen hydrodynamischen Drehmomentwandler, Verfahren zur Herstellung eines derartigen Leitrades sowie hydrodynamischer Drehmomentwandler mit einem derartigen Leitrad |
EP07711223A EP2002153A2 (de) | 2006-03-24 | 2007-03-01 | Schaufel- bzw. leitrad für einen hydrodynamischen drehmomentwandler, verfahren zur herstellung eines derartigen leitrades sowie hydrodynamischer drehmomentwandler mit einem derartigen leitrad |
US12/284,647 US7908849B2 (en) | 2006-03-24 | 2008-09-24 | Bladed shell or stator shell for a hydrodynamic torque converter, method for producing a stator shell of said type, and hydrodynamic torque converter having a stator shell of said type |
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78573906P | 2006-03-24 | 2006-03-24 | |
US78569306P | 2006-03-24 | 2006-03-24 | |
US78579006P | 2006-03-24 | 2006-03-24 | |
US78568406P | 2006-03-24 | 2006-03-24 | |
US60/785,693 | 2006-03-24 | ||
US60/785,790 | 2006-03-24 | ||
US60/785,684 | 2006-03-24 | ||
US60/785,739 | 2006-03-24 | ||
DE102006049738.4 | 2006-10-21 | ||
DE102006049738 | 2006-10-21 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/284,647 Continuation US7908849B2 (en) | 2006-03-24 | 2008-09-24 | Bladed shell or stator shell for a hydrodynamic torque converter, method for producing a stator shell of said type, and hydrodynamic torque converter having a stator shell of said type |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2007110025A2 true WO2007110025A2 (de) | 2007-10-04 |
WO2007110025A3 WO2007110025A3 (de) | 2007-11-22 |
Family
ID=37985716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2007/000388 WO2007110025A2 (de) | 2006-03-24 | 2007-03-01 | Leitrad für einen hydrodynamischen drehmomentwandler, verfahren zur herstellung eines derartingen leitrades sowie hydrodynamischer drehmomentwandler mit einem derartingen leitrad |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2002153A2 (de) |
JP (1) | JP5200265B2 (de) |
KR (1) | KR20080106445A (de) |
DE (1) | DE112007000501A5 (de) |
WO (1) | WO2007110025A2 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008058084A1 (de) | 2007-12-13 | 2009-06-25 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Schaufelrad, insbesondere Leitrad für einen hydrodynamischen Drehzahl-/Drehmomentwandler und Verfahren zur Herstellung eines Schaufelrades |
CN113374850A (zh) * | 2021-07-08 | 2021-09-10 | 江苏汇智高端工程机械创新中心有限公司 | 一种工程机械液力变矩器导轮结构 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3572034A (en) | 1969-11-21 | 1971-03-23 | Ford Motor Co | Fabricated two-piece stator assembly for hydrokinetic torque converters |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4865360A (de) * | 1971-12-15 | 1973-09-08 | ||
DE2905738A1 (de) * | 1979-02-15 | 1980-08-28 | Daimler Benz Ag | Leitrad eines hydrodynamischen drehmomentwandlers |
US5465575A (en) * | 1994-09-14 | 1995-11-14 | Nelson Metal Products Corporation | Torque converter and method for producing the same |
DE10259412A1 (de) * | 2002-12-19 | 2004-07-01 | Zf Sachs Ag | Leitrad für einen hydrodynamischen Drehmomentwandler |
-
2007
- 2007-03-01 DE DE112007000501T patent/DE112007000501A5/de not_active Ceased
- 2007-03-01 JP JP2009501836A patent/JP5200265B2/ja not_active Expired - Fee Related
- 2007-03-01 EP EP07711223A patent/EP2002153A2/de not_active Withdrawn
- 2007-03-01 KR KR1020087023155A patent/KR20080106445A/ko not_active Application Discontinuation
- 2007-03-01 WO PCT/DE2007/000388 patent/WO2007110025A2/de active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3572034A (en) | 1969-11-21 | 1971-03-23 | Ford Motor Co | Fabricated two-piece stator assembly for hydrokinetic torque converters |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008058084A1 (de) | 2007-12-13 | 2009-06-25 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Schaufelrad, insbesondere Leitrad für einen hydrodynamischen Drehzahl-/Drehmomentwandler und Verfahren zur Herstellung eines Schaufelrades |
US8172536B2 (en) | 2007-12-13 | 2012-05-08 | Schaeffler Technologies AG & Co. KG | Impeller guide wheel for a hydrodynamic speed variator/torque converter and method for manufacturing an impeller |
CN113374850A (zh) * | 2021-07-08 | 2021-09-10 | 江苏汇智高端工程机械创新中心有限公司 | 一种工程机械液力变矩器导轮结构 |
CN113374850B (zh) * | 2021-07-08 | 2023-12-05 | 江苏汇智高端工程机械创新中心有限公司 | 一种工程机械液力变矩器导轮结构 |
Also Published As
Publication number | Publication date |
---|---|
EP2002153A2 (de) | 2008-12-17 |
JP2009531609A (ja) | 2009-09-03 |
JP5200265B2 (ja) | 2013-06-05 |
DE112007000501A5 (de) | 2008-11-27 |
WO2007110025A3 (de) | 2007-11-22 |
KR20080106445A (ko) | 2008-12-05 |
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