WO2011006463A1 - Gestanzte zentrierscheibe - Google Patents
Gestanzte zentrierscheibe Download PDFInfo
- Publication number
- WO2011006463A1 WO2011006463A1 PCT/DE2010/000692 DE2010000692W WO2011006463A1 WO 2011006463 A1 WO2011006463 A1 WO 2011006463A1 DE 2010000692 W DE2010000692 W DE 2010000692W WO 2011006463 A1 WO2011006463 A1 WO 2011006463A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- segment
- radius
- slot
- centering
- torque converter
- 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
Definitions
- the invention relates generally to a punched centering for a torque converter and more precisely to a stamped centering with a centering function by plugging.
- Exemplary embodiments of the present invention generally include a stamped centering disc for a torque converter having a first annular surface having at least one arcuate slot, a second annular surface opposite the first annular surface, and at least one arcuate segment axially protruding from the second annular surface.
- the slot has an inner radius and an outer radius
- the segment has an inner radius and an outer radius
- at least one of the slot radii is identical to at least one of the segment radii.
- the segment comprises material that has been displaced to form the slot.
- the segment can be formed from the material that has been displaced to form the slot.
- the inner slot radius and the outer slot radius are respectively identical to the inner segment radius and the outer segment radius.
- the at least one slot may have at least three slots, and the at least one arcuate segment may have at least three corresponding arcuate segments axially aligned with the at least three slots.
- the height of a segment relative to the annular surface is selected to ensure that a bearing continues to be centered by the segment when the torque converter is rotating up.
- the centering disc may be a side disc for a stator of the torque converter, a turbine hub of the torque converter, or a pump hub of the torque converter.
- exemplary embodiments of the present invention generally include a punched centering disc assembly of a torque converter, wherein an annular centering disc has a plurality of arcuate protrusions, and a bearing having an inner circumference and an outer circumference.
- the bearing is radially through the Projections positioned and a radial wall of the centering disc, which is adjacent to the bearing, between the projections and the inner circumference, or between the projections and the outer circumference is formed continuously.
- the bearing has an inner peripheral surface, and the projections each have an outer peripheral surface, and a radial position of the bearing is maintained by the contact between the inner surface and the outer surface.
- the bearing has an outer circumferential surface and the projections each have an inner peripheral surface, and a radial position of the bearing is maintained by the contact between the outer surface and the inner surface.
- exemplary embodiments of the invention generally include a method of forming a centering disc for a torque converter, comprising the steps of: stamping out the annular disc; and axially displacing an arcuate segment having an inner radius and an outer radius outwardly of the disk, wherein at least one of the radii, either the inner radius or the outer radius, is equal to the radius of a slot formed in the disk formed by the offset segment.
- the arcuate segment is offset in the axial direction by a punch having an inner radius and an outer radius that is substantially the same as a respective inner radius and a respective outer radius of the segment.
- the disk is supported by a mold block having a slot having an inner radius and an outer radius equal to the respective inner radius and outer radius of the segment, respectively.
- the clearance between the inner and outer punch radius and the respective inner and outer slot radius is less than 0.5 mm. In an exemplary embodiment of the invention, the clearance is about 0.5 mm.
- FIG. FIG. 1A is a perspective view of a cylindrical coordinate system showing spatial.
- FIG. FIG. 1B is a perspective view of an object in the cylindrical coordinate system of FIG. 1B
- FIG. 1A which presents spatial terms used in the present invention
- FIG. 2 is a perspective view of a stamped centering disk according to an exemplary embodiment of the invention
- FIG. 3 is a top view of the centering disk of FIG. 2;
- FIG. 4 is a sectional view of the centering of FIG. 3, generally along the line 4-4 in FIG. 3;
- FIG. 5 is a perspective view of a stamped centering disc assembly according to an exemplary embodiment of the invention in assembled condition with a bearing;
- FIG. 6 is a plan view of the in FIG. 5 arrangement shown
- FIG. 7 is a sectional view of the embodiment shown in FIG. 6, generally along the line
- FIG. FIG. 8 is a sectional view of the punching tool used around the
- FIG. FIG. 1A is a perspective view of a cylindrical coordinate system 80 that presents spatial terms used in the present application.
- the present invention will be described, at least in part, in the context of a cylindrical coordinate system.
- the system 80 has a longitudinal axis 81, which will be used hereinafter as a reference for directional designations and spatial designations.
- the adjectives "axial,” “radial,” and “circumferential” refer to an orientation parallel to the axis 81, to the radius 82 (which is perpendicular to the axis 81), and to the circumference 83.
- the adjectives "axial,” “radial “and” circumferential also refer to orientations parallel to the respective planes.
- the surface 87 of the article 84 forms an axial plane. That is, the axle 81 forms a generating line.
- the surface 88 of the article 85 forms a radial plane. That is, the radius 82 forms a generating line.
- the surface 89 of the article 86 forms a peripheral surface. That is, the periphery 83 forms a generating line.
- the axial movement or arrangement is parallel to the axis 81
- the radial movement or arrangement is parallel to the radius 82
- the circumferential movement or arrangement is parallel to the circumference 83.
- the rotation is with respect to the axis 81.
- adverbs "axial,” “radial,” and “circumferential,” each refer to an orientation parallel to axis 81, radius 82, or circumference 83.
- the adverbs "axial,” “radial,” and “circumferential” refer to each other also on an alignment parallel to the respective levels.
- FIG. FIG. 1B is a perspective view of the article 90 in the cylindrical coordinate system 80 of FIG. 1A 1 which presents spatial terms used in the present patent application.
- the cylindrical article 90 stands for a cylindrical article in one
- the article 90 has an axial surface 91, a radial surface 92, and a peripheral surface 93.
- the surface 91 is part of an axial plane
- the surface 92 is part of a radial plane
- the surface 93 is part of a peripheral surface.
- FIG. 2 is a perspective view of a stamped centering disk according to an exemplary embodiment of the invention.
- FIG. 3 is a plan view of the in FIG. 2 centering disc shown.
- FIG. 4 is a sectional view of the centering disk in FIG. 3, generally along the line 4-4 in FIG. 3.
- the centering disk 10 has annular surfaces 12 and 14.
- the surface 12 has at least one slot 16.
- the slot 16 is an arcuate slot. That is, the slot 16 has an arc shape, wherein the center of the arc is arranged close to the central axis 18 of the centering disc 10. In other words, the radius 19 of the slot 16 extends between the central axis 18 and the slot 16.
- the slot 16 extends generally circumferentially through the surface 12.
- the surface 14, which is arranged opposite the surface 12, has a segment 20.
- the segment 20 protrudes axially from the surface 14 at a distance 22.
- the segment 20 is an arcuate segment. That is, the segment 20 has an arcuate shape, wherein the center of the arc is close to the central axis 18 of the centering disc 10.
- the radius 21 of the segment 20 extends between the central axis 18 and the segment 20.
- the segment 20 extends generally circumferentially along the surface 14.
- the slot 16 has an inner radius 24 and an outer radius 26, the segment 20 has an inner radius 28 and an outer radius 30.
- at least one of the radii 24 and 28 or the radii 26 and 30 is the same.
- the inner radius 24 of the slot 16 may be concentric and axially aligned with the inner radius 28 of the segment 20.
- the outer radius 26 of the slot 16 may be concentric and axially aligned with the outer radius 30 of the segment 20.
- the slot 16 may be created by axially displacing material from the surface 12.
- the portion 20 may be created by axially displacing material from the surface 14.
- the portion 14 includes material that is displaced to form the slot 16. That is, the upper surface 32 of the segment 20 includes material displaced from the surface 14, and the lower surface 34 of the segment 20 includes material displaced from the surface 12.
- the segment 20 includes all the material that is displaced to form the slot 16. That is, the slot 16 is created by axially displacing material so that the segment 20 is formed.
- the centering disk 10 has a plurality of slots 16 and segments 20. Although the centering disk 10 is shown with a corresponding number of slots 16 and segments 20, the centering disk 10 may have further numbers of slots 16 and segments 20. Generally, at least three slots and segments are preferred to ensure proper centering, as described below.
- the centering disk 10 is generally a component of a torque converter.
- the centering disk 10 is a side window a stator of a torque converter or a turbine hub of a torque converter or a pump hub one torque converter.
- FIG. 4 is a perspective view of a stamped centering disc assembly according to an exemplary embodiment of the invention shown assembled with a bearing.
- FIG. 5 is a plan view of the embodiment shown in FIG. 4 arrangement shown.
- FIG. FIG. 6 is a sectional view of FIG. 5 taken generally along the line 6-6 in FIG. 5th
- the arrangement 100 has a centering disk 110 and a bearing 150.
- the segment 120 extends axially from the annular surface 114 over a distance 122.
- the bearing 150 is centered or radially positioned by the centering disc 110, in particular by the segments 120.
- the radial wall 114 of the centering disc 110 on the bearing 150 is continuous between the projections 120 and the inner circumference 154 and between the protrusions 120 and the outer circumference 156.
- the wall 114 is formed continuously between the protrusions 120 and either the inner periphery 154 or the outer periphery 156.
- the height 122 is selected to ensure that the bearing 150 remains centered by the segment 120 when the torque converter (not shown) starts up. For example, the increased pressure at high rotational speeds in the torque converter causes an axial displacement of the torque converter housing (not shown), the increased distance between the radial walls of the housing allowing axial movement of the components therein.
- the height 122 is selected so that the segments 120 are still overlapped by the inner surface 152 of the bearing 150 when the housing experiences maximum axial displacement and the bearing and centering disc are axially separated.
- the bearing 150 has an inner circumferential surface 152, and the projections 120 each have an outer circumferential surface 136. The radial position of the bearing 150 is adjusted by the contact between the inner surface 152 and the outer surfaces 136.
- the bearing 150 has an outer peripheral surface, and the protrusions 120 each have an inner circumferential surface, and the radial position of the bearing is adjusted by the contact between the outer surface and the inner surface. That is, the bearing is disposed radially within the projections.
- the assembly 100 is generally disposed within a torque converter.
- the assembly 100 may provide a pressure surface between a pump and a stator, between a stator and a turbine hub, or a turbine hub and a lid. While particular applications of the assembly 100 are disclosed, there are other applications within a torque converter or within another component of the powertrain and they are within the scope of the invention.
- FIG. Figure 7 shows a portion of a punching tool used to make a centering disk.
- a method for producing a centering disc for a torque converter comprises the steps of: punching out the annular disc 110, axially displacing the arcuate segment 120 out of the disc 110, for example with the punch 200, the segment having an inner radius 204 and an outer radius 206.
- at least the inner radius 204 and / or the outer radius 206 is equal to the radius 124 and / or 126 of the slot 116 formed in the disk 110 by the offset segment 120.
- the arcuate segment 120 is axially offset by a punch 200 having an inner radius 204 and an outer radius 206 that are substantially identical to the inner radius 128 and outer radius 130 of the segment 120.
- the disc 110 may be supported by the block 214 with the slot 216 having an inner diameter and an outer diameter equal to the respective inner diameter 128 and outer diameter 130 of the segment 120.
- the clearance or radius difference between the inner and outer punch radius and the respective inner and outer slot radius is less than 0.5 mm. In an exemplary embodiment of the invention, the clearance is about 0.5 mm.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Sliding-Contact Bearings (AREA)
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
- Toys (AREA)
- Punching Or Piercing (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112010002943T DE112010002943A5 (de) | 2009-07-15 | 2010-06-17 | Gestanzte Zentrierscheibe |
JP2012519879A JP5631393B2 (ja) | 2009-07-15 | 2010-06-17 | 打抜き加工されたセンタリングディスク |
CN201080029971.9A CN102597575B (zh) | 2009-07-15 | 2010-06-17 | 冲压的定中盘 |
US13/295,358 US8371116B2 (en) | 2009-07-15 | 2011-11-14 | Stamped centering plate |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22569609P | 2009-07-15 | 2009-07-15 | |
US61/225,696 | 2009-07-15 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/295,358 Continuation US8371116B2 (en) | 2009-07-15 | 2011-11-14 | Stamped centering plate |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011006463A1 true WO2011006463A1 (de) | 2011-01-20 |
Family
ID=42740288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2010/000692 WO2011006463A1 (de) | 2009-07-15 | 2010-06-17 | Gestanzte zentrierscheibe |
Country Status (5)
Country | Link |
---|---|
US (1) | US8371116B2 (de) |
JP (1) | JP5631393B2 (de) |
CN (1) | CN102597575B (de) |
DE (2) | DE102010024151A1 (de) |
WO (1) | WO2011006463A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140356102A1 (en) * | 2013-06-04 | 2014-12-04 | Schaeffler Technologies Gmbh & Co. Kg | Twist lock flat thrust washer assembly |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8863922B2 (en) * | 2011-03-29 | 2014-10-21 | Schaeffler Technologies Gmbh & Co. Kg | Bearing centering plate centered on a piston |
US20120267078A1 (en) * | 2011-04-20 | 2012-10-25 | Chun-Ming Wu | Heat dissipation mechanism |
US10927935B2 (en) | 2018-12-06 | 2021-02-23 | Schaeffler Technologies AG & Co. KG | Inner race centering with formed side plate |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2076908A (en) * | 1980-05-27 | 1981-12-09 | Borg Warner | Torque converter with coast release valve in lock-up clutch |
GB2098702A (en) * | 1981-05-20 | 1982-11-24 | Ford Motor Co | Compound damper assembly for an automatic transmission |
US6125980A (en) * | 1998-02-24 | 2000-10-03 | Means Industries, Inc. | Overrunning coupling assembly and manufacturing method |
US20070137977A1 (en) | 2005-12-19 | 2007-06-21 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Stator side plate for a torque converter |
WO2007124714A1 (de) * | 2006-05-01 | 2007-11-08 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Freilauf mit dämpfung |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2431855A (en) * | 1946-02-13 | 1947-12-02 | Borg Warner | Rotary fluid coupling shaft retaining means |
JPS54107770U (de) * | 1978-01-17 | 1979-07-28 | ||
JPS5853331A (ja) * | 1981-09-24 | 1983-03-29 | Toshiba Corp | トランスフアプレス金型装置 |
JPH0113877Y2 (de) * | 1987-03-23 | 1989-04-24 | ||
US5125487A (en) * | 1990-08-31 | 1992-06-30 | Ina Bearing Company, Inc. | Method and apparatus for providing torque converter having improved stator/clutch assembly |
US5980208A (en) * | 1997-12-19 | 1999-11-09 | Ford Global Technologies, Inc. | Torque converter hub sleeve convertible to various drive connections |
EP1966499A1 (de) * | 2005-12-22 | 2008-09-10 | LuK Lamellen und Kupplungsbau Beteiligungs KG | Druckscheibe mit abgedeckten kanälen für einen drehmomentwandler und verfahren zur kühlung einer solchen druckscheibe |
-
2010
- 2010-06-17 DE DE102010024151A patent/DE102010024151A1/de not_active Withdrawn
- 2010-06-17 JP JP2012519879A patent/JP5631393B2/ja not_active Expired - Fee Related
- 2010-06-17 CN CN201080029971.9A patent/CN102597575B/zh not_active Expired - Fee Related
- 2010-06-17 DE DE112010002943T patent/DE112010002943A5/de not_active Withdrawn
- 2010-06-17 WO PCT/DE2010/000692 patent/WO2011006463A1/de active Application Filing
-
2011
- 2011-11-14 US US13/295,358 patent/US8371116B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2076908A (en) * | 1980-05-27 | 1981-12-09 | Borg Warner | Torque converter with coast release valve in lock-up clutch |
GB2098702A (en) * | 1981-05-20 | 1982-11-24 | Ford Motor Co | Compound damper assembly for an automatic transmission |
US6125980A (en) * | 1998-02-24 | 2000-10-03 | Means Industries, Inc. | Overrunning coupling assembly and manufacturing method |
US20070137977A1 (en) | 2005-12-19 | 2007-06-21 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Stator side plate for a torque converter |
WO2007124714A1 (de) * | 2006-05-01 | 2007-11-08 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Freilauf mit dämpfung |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140356102A1 (en) * | 2013-06-04 | 2014-12-04 | Schaeffler Technologies Gmbh & Co. Kg | Twist lock flat thrust washer assembly |
US9212687B2 (en) * | 2013-06-04 | 2015-12-15 | Schaeffler Technologies AG & Co. KG | Twist lock flat thrust washer assembly |
Also Published As
Publication number | Publication date |
---|---|
DE112010002943A5 (de) | 2012-09-27 |
US8371116B2 (en) | 2013-02-12 |
DE102010024151A1 (de) | 2011-01-27 |
CN102597575B (zh) | 2016-02-10 |
JP2012533036A (ja) | 2012-12-20 |
US20120055754A1 (en) | 2012-03-08 |
CN102597575A (zh) | 2012-07-18 |
JP5631393B2 (ja) | 2014-11-26 |
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