EP2052227A1 - Bride à orifice du couple de rotation - Google Patents
Bride à orifice du couple de rotationInfo
- Publication number
- EP2052227A1 EP2052227A1 EP07764380A EP07764380A EP2052227A1 EP 2052227 A1 EP2052227 A1 EP 2052227A1 EP 07764380 A EP07764380 A EP 07764380A EP 07764380 A EP07764380 A EP 07764380A EP 2052227 A1 EP2052227 A1 EP 2052227A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- measuring
- torque
- flange according
- recess
- torque measuring
- 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- Withdrawn
Links
- 239000012528 membrane Substances 0.000 claims description 44
- 238000005259 measurement Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/02—Rotary-transmission dynamometers
- G01L3/14—Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft
- G01L3/1407—Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft involving springs
- G01L3/1428—Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft involving springs using electrical transducers
- G01L3/1457—Rotary-transmission dynamometers wherein the torque-transmitting element is other than a torsionally-flexible shaft involving springs using electrical transducers involving resistance strain gauges
Definitions
- the invention relates to a torque measuring flange.
- DE 199 36 293 A1 shows a torque measuring flange in which a substantially cylindrical hollow shaft section is located between two annular disk-shaped connecting flanges. This forms the measuring range of the torque measuring flange.
- a substantially cylindrical hollow shaft section is located between two annular disk-shaped connecting flanges. This forms the measuring range of the torque measuring flange.
- three large measuring recesses are introduced, so that three measuring membranes result on the cylindrical inner wall. Due to the relatively small wall thickness of the measuring diaphragms, an introduced torque can cause relatively large deformations, so that strain gauges mounted there can relatively accurately calculate the applied torque.
- the measuring diaphragm can be arranged radially inward.
- the membrane can be arranged radially on the outside.
- the document also proposes to arrange the pocket-shaped recesses opposite one another so that an H-profile results, or to arrange the recesses radially alternately so that they emanate alternately from the inner and subsequently from the outer circumferential surface of the cylindrical form.
- Further torque measuring devices are known from DE 100 55 933 A1, from DE 198 26 629 A1, from DE 44 12 377 A1 5 from DE 195 25 231 B4, from DE 42 08 522 C2, from EP 0 465 881 A2 and from EP 0 575 634 A1.
- the invention is based on the object of providing an improved torque measuring flange.
- this object is achieved by a torque measuring flange having a substantially cylindrical measuring range, in which measuring recesses are arranged, and by measuring value indicators, which measure voltages and / or deformations in the measuring range, wherein at least two measuring recesses are shaped differently and / or are trained.
- the “measuring range” is understood to be that region of the entire measured value pickup which is formed between the two flange-shaped connection regions and connects them to one another in a non-positive manner
- the measuring range is thus in cross-section - perpendicular to the axis about which the torque acts - usually circular, circular or at least substantially circular in both cross-sections, in particular on the two flanges or are circular in shape.
- the "measuring recesses” are introduced as recesses into the radially outer circumferential surface and / or into the radially inner circumferential surface.
- the presented aspect of the invention is characterized by the fact that it forms and / or shapes two such measuring recesses differently. These can be both radially inner recesses which are shaped differently as radially outer recesses, when radially inward and radially outer recesses are present in the measuring range. In particular, however, it is envisaged that different shapes are to be found within the family of radially inwardly located recesses and / or within the family of recesses located radially on the outside.
- an applied torque causes different deformations and / or stresses at the measuring points of the individual different measuring recesses, so that it is possible, for example, to use a single torque measuring flange to enable a plurality of higher-resolution or several differently resolved measuring ranges ,
- At least two measuring recesses have different depths.
- different depths for different measuring recesses in particular within a family of measuring recesses lying radially inward and / or radially outwards, with suitable design in the remaining floors radially outward or radially inward of the recesses - ie in the measuring membranes - generates different strains and stresses.
- Two measuring recesses preferably have a different cross section.
- a "cross-section" of a recess is to be understood as meaning in particular that surface which forms a free surface in a sectional plane perpendicular to the axis of the torque measuring flange between the material limitations of the recesses and a circular, smallest surrounding in a section perpendicular to the axis of the Drehmomentmessflanschs a cut geometry at a Meßaus fundamentalung result, which has at least two side edges - formed by the at least substantially lent solid cylinder wall - and which optionally a bottom radially inside or radially outside shows - so usually a measuring diaphragm -, In the simplest case, the side edges can run radially Recess within these boundaries and a circular surrounding outside and / or inside of the cylindrical measuring range is then considered as the cross section of the measuring recess.
- the "cross-section” may be taken to mean the resulting flank resulting from a cut with a plane parallel to the axis of the torque-measuring flange, or the resulting “flank” may be understood as the "flank” resulting in a cut with a cylinder jacket surface around the axis of the Drehmomentmessflanschs in their settlement.
- an applied torque causes a different strain and / or stress distribution at least at an edge region of the recess, so that here also readily measurements for different high resolution different measurement ranges can be made.
- At least substantially identically formed measuring recesses are arranged symmetrically with respect to an axis of rotation of the torque flange, in particular rotationally symmetrical.
- the same stress and / or elongation behavior can be expected at the measuring points on a family of identical or identically shaped measuring recesses, especially if all measuring recesses on the torque measuring flange each belong to a family of identical and symmetrically distributed recesses.
- At least one measuring recess has an at least substantially partially cylindrical recess base.
- the torque flange has a
- the measuring area will be designed to be cylindrical radially on the outside, so that the cylinder jacket surface of the cylindrical measuring area corresponds exactly to its radially outer surface.
- Radially outwardly extending measuring recesses extend radially inward from the cylinder jacket surface, each measuring recess having a recess wall and a recess base, although these can merge into one another without a clear projection.
- a “partially cylindrical recess base” is understood to mean that the measuring recess has at least in part a surface which is spatially curved in such a way that it forms part of an imaginary cylinder jacket surface In the case of a radially outer measuring recess, its radius is smaller than that of the surrounding cylindrical peripheral surface of the measuring region.
- ⁇ br/> ⁇ br/> A cylinder, whose axis lies parallel to the axis of the torque measuring flange, but between its axis and its outer circumferential surface, is considered as a variant ,
- a conversion between the measured strain and / or stress ratios on a partially cylindrical surface on the recess base or on a recess wall can be converted with high precision into the torque applied to the torque measuring flange.
- At least one measuring recess has a recess base deviating from a cylinder shape, in particular a flat recess base. It goes without saying that a very precise conversion between strain and / or stress and the associated Low torque to be measured is possible. In addition, the gauges can easily be fixed permanently on one level.
- At least one measuring recess has a recess base whose surface corresponds to that surface of the cylindrical measuring area to which the measuring recess is directed.
- a recess is made so deep that the radial thickness of the cylinder is almost completely passed through the measuring recess in the measuring range, so that a radially outer measuring recess is guided almost to the inner cylindrical surface of the measuring range or that a radially inwardly located measuring recess is guided to almost the outer cylindrical surface of the measuring range.
- the recess is not or at least not completely executed as a puncture between the inside and the outside cylinder surface, but a thin membrane remains.
- This membrane is both the recess base of the measuring recess - when viewed from the radially one side - and the cylinder jacket-shaped surface of the measuring area, namely radially inward or radially outward - when viewed from the radially other direction.
- a reduction of the measuring diaphragm, ie the remaining material below the recess base of a measuring recess, to a rather thin surface leads to an enlarged picture of an applied torque, because the strain and the tension are amplified. This enables a high-resolution measurement of the torque.
- At least one measuring recess has a round cross-section.
- a “round” cross-section is understood to mean in particular a circular cross-section, but any other cross-section which is free of corners and which preferably also is free from “extended” can be understood as “round” Is straight.
- the "cross-section" of the measuring recess is to be considered in particular in a sectional plane which is perpendicular to the longitudinal axis of the torque measuring flange. Also, a cutting plane may be considered, which is parallel to the longitudinal axis of the Drehmomentmessflansches.
- At least one measuring recess has a rectangular cross section with rounded corners, in particular a square cross section with rounded corners.
- Both a measuring recess with a round cross-section and a measuring recess with a rectangular, also square, cross-section with rounded corners can be relatively easily introduced into the measuring range and leads to relatively well known forces redistribution when a torque to be measured.
- a measuring sensor be provided per measuring recess. At the very least, it is considered advantageous if each measuring recess of a different shape has a respective sensor. [29] By providing several sensors, such as strain gauges, for example, measured values can be verified, or the various measured values can be averaged. It is also conceivable that the various measured value collectors can measure certain torque ranges with different fineness resolutions, even if two identical or different transducers are arranged in differently shaped and / or formed measuring recesses.
- At least one measuring recess can open radially inward.
- the recessed area lies radially outward, so that the transducers may preferably be arranged there.
- At least one measuring recess changes from the recessing base with regard to its cross section and preferably widens or narrows.
- the stated object solves a Drehmomentmessflansch with a arranged around a rotation axis measuring range in which measuring membranes are arranged, and with transducers which measure voltages and / or deformations of the measuring membranes, wherein at least two measuring membranes differently shaped and / or are trained.
- thin membranes are to be understood as “measuring membranes” in relation to a remaining cylindrical region, and torques applied to the torque measuring flange can be measured in a reinforcement on these thin surface pieces and / or around these thin surface pieces that very accurate results can be determined.
- at least two measuring membranes have different thicknesses.
- the "thickness" of a measuring diaphragm is the radial thickness 2x1, which is often referred to as "material thickness”.
- At least two measuring membranes have a different shape. This can occur both when projecting the measuring diaphragm onto a cylindrical surface around a measuring flange axis or when projecting the measuring diaphragm onto a plane parallel to the measuring flange axis. Also in this way slightly different expansion and / or stress behavior can be achieved with an applied torque.
- identical measuring membranes are arranged symmetrically with respect to the rotational axis of the torque measuring flange, in particular rotationally symmetrical.
- the identically designed and symmetrically distributed measuring membranes can be easily used for a verification of the measured values of individual transducers.
- At least one measuring membrane can be partially cylindrical.
- a partially cylindrical measuring diaphragm reference is made to the above explanations regarding a "partially cylindrical recess base" of a measuring recess.
- the recess base of a measuring recess is identical to the measuring diaphragm. Therefore, with regard to a partially cylindrical measuring diaphragm, reference is made in its entirety to the analogous description of a partially cylindrical recess base.
- at least one measuring diaphragm deviates from a cylindrical shape and is preferably flat.
- At least one measuring diaphragm has a substantially constant thickness.
- a measuring diaphragm designed in this way there are no great demands on the precision with which exactly on the measuring diaphragm a measuring sensor, such as a strain gauge, has to be mounted. This makes it easier to compare the readings of different transducers.
- At least one measuring diaphragm is circular.
- the measuring membrane need not be "circular" in the exact mathematical sense, nor is it necessary for the membrane to reach the mathematical definition in the best possible physical approximation it already, if at least substantially a circular shape is present, as it is achieved for example when introducing a conventional hole in a metal workpiece.
- a radius variation of a bore diameter within about 10% of an average may still be considered circular.
- a boundary of the measuring membrane is difficult to draw against a recess wall. If the wall merges into the measuring membrane in one edge, for example, the edge can be regarded as the defining boundary of the measuring membrane. In another aspect, a surface which behaves uniformly in curvature and thickness over a certain range may be considered as the measuring membrane.
- At least one measuring diaphragm is rectangular, in particular square, and preferably formed with rounded corners. Even such a form can be produced relatively quickly.
- one measuring sensor is provided per measuring diaphragm.
- a measuring transducer can be provided on each differently shaped or configured measuring diaphragm. Both facilitate the comparability and thus the measuring reliability of the individual measured values on the torque measuring flange.
- At least one measuring diaphragm can be arranged radially on the outside of the measuring range.
- a radially outer measuring diaphragm is able to absorb an applied torque with only a relatively small force, since the measuring diaphragm radially outwardly has a larger lever to the axis of the torque measuring flange.
- strain gauges and / or magnetic transducers are considered as transducers.
- some examples of strain gages have been used. It is understood that these are each complete or can be partially replaced by magnetic measuring devices or other suitable measuring devices.
- At least one measured value pickup is arranged radially inward on the measuring range, in particular in order to be able to measure smaller moments well.
- at least one measured value pickup is arranged radially on the outside of the measuring range, in particular in order to measure larger moments.
- a combination of radially inside and radially outside transducers can be very suitable for accurately detecting torques in different size ranges.
- Figure 1 shows schematically a perspective view of a section of about two thirds of a Drehmomentmessflansches with different depth Meßaus strictly adopted or different thickness measuring membranes and
- Figure 2 schematically shows a section through a complete Drehmomentmessflansch, designed as in Figure 1, with a sectional plane at half the axial height of the Drehmomentmessflansches
- FIG. 1 shows schematically a perspective view of a section of about two thirds of a Drehmomentmessflansches with different depth Meßaus strictlystead or different thickness measuring membranes
- Figure 2 schematically shows a section through a complete Drehmomentmessflansch, designed as in Figure 1, with a sectional plane at half the axial height of the Drehmomentmessflansches
- the torque measuring flange 1 in the figures consists essentially of a pair of connecting flanges 2, 3, which are designed as annular discs and provided with holes 4 (exemplified).
- To the connecting flanges 2, 3 via the connection holes 4 waves or other parts of a Ma connected to a machine or another device, for example a torque-guiding shaft of a measuring stand.
- the two connecting flanges 2, 3 of the torque-measuring flange 1 are implemented integrally with a measuring range 5, wherein a substantially cylindrical-wall-shaped wall 6 of the torque-measuring flange 1 is designated as the "measuring range" 5.
- the torque measuring flange 1 is equipped with a multiplicity of strain gauges 8 (identified by way of example), which are all mounted radially inward on a radially inner cylinder jacket-shaped surface 9 of the measuring region 5 or its cylinder wall 6.
- strain gauges 8 are provided, namely distributed symmetrically about the rotation axis 7 of the torque measuring flange 1 around.
- the flat recesses 11 lie alternately with the deep recesses 12 in the outer surface 10 of the wall 6 of the measuring area 5, and each share - ie that of the flat recesses 11 or that of the deep recesses.
- ments 12 - is arranged rotationally symmetrically about the axis 7 of the torque measuring flange 1.
- Each recess 11, 12 has four respective planar walls 13, 14 (identified by way of example) with interposed rounded grooves 15 (identified by way of example) and a planar recess base 16, 17 (identified by way of example).
- the strain gauges 8 are applied to the radial inner side of the measuring membranes 18, 19.
- the strain gauges are longer in their axial extent than the recesses 11, 12. With respect to the tangential extent about the axis 7 of the torque measuring flange 1, however, the base surfaces 16 of the recesses 11, 12 are wider than the strain gauges. 8
- the recesses H 5 12 in the measuring range 5 deformations or stresses due to an applied torque are amplified, so that provided in the measuring range 5 transducer 8 can measure much more sensitive.
- the recess bottoms 16, 17 or the measuring membranes 18, 19 form points, which accordingly are more strongly stressed or deformed.
- the measuring membranes 18, 19 have the advantage that the transducers 8 can essentially make shear measurements, which can be carried out relatively accurately.
- the cross-section of a recess 11, 12 can be measured in particular perpendicular to a recess depth, which is to be laid along a central recess axis 20 identified as an example.
- the cross section is preferably viewed on cylindrical surfaces placed around the axis of rotation 7 or on a sectional plane parallel to the axis of rotation 7. In the latter two cases the depth measurement takes place radially.
- the term “thickness of a measuring membrane” refers to the thickness of a measuring membrane, while the shape of the measuring membranes is given by their boundaries.
- measuring diaphragms arranged radially on the outside or measuring recesses opening radially inward, which can further increase the measuring accuracy in torque measuring flanges, since larger deflections can be found radially outwards.
- the reaction behavior of the measuring membranes 18, 19 or of the measuring region 5 to an applied torque can be influenced by a change in the cross sections of the recesses as a function of the depth 20 in the recess 11, 12.
- the recesses 11, 12 in particular to the recess bottom 16, 17 expand or narrow or walls 13, 14th which are not directed radially on the axis of rotation and / or not perpendicular to the radius about the axis of rotation and / or not parallel to the axis of rotation or lie.
- the voltage signal and / or the deformation of the measuring membranes 18, 19, the recessed base 16, 17 or other assemblies of the measuring range 5 can be amplified, so that the sensitivity of the mechanical arrangement and thus of the entire torque measuring flange 1 is increased can be.
- the measuring diaphragm has a thickness which changes over its surface. In alternative embodiments, this can be minimized by adjusting the ground of the measuring recesses to the opposite surface of the measuring range. Similarly, the opposite surface of the measuring range can be processed accordingly and adapted to the bottom of the respective measuring recess. In this way, the measuring membranes can for example be formed essentially flat, shell-like or cylindrical.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Measuring Fluid Pressure (AREA)
- Measurement Of Force In General (AREA)
Abstract
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006027967 | 2006-06-14 | ||
DE102007005894A DE102007005894A1 (de) | 2006-06-14 | 2007-02-01 | Drehmomentmessflansch |
PCT/DE2007/001073 WO2007143986A1 (fr) | 2006-06-14 | 2007-06-14 | Bride à orifice du couple de rotation |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2052227A1 true EP2052227A1 (fr) | 2009-04-29 |
Family
ID=38626226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07764380A Withdrawn EP2052227A1 (fr) | 2006-06-14 | 2007-06-14 | Bride à orifice du couple de rotation |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100162830A1 (fr) |
EP (1) | EP2052227A1 (fr) |
JP (1) | JP2009540306A (fr) |
DE (3) | DE102007005894A1 (fr) |
WO (1) | WO2007143986A1 (fr) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008028826A1 (de) | 2008-06-19 | 2009-12-24 | GIF Gesellschaft für Industrieforschung mbH | Drehmomentmesseinrichtung, Drehmomentmessflansch und Drehmomentmessverfahren |
DE102009014284B4 (de) | 2009-03-25 | 2017-01-26 | Hottinger Baldwin Messtechnik Gmbh | Drehmomentsensor |
DE102010034877A1 (de) | 2009-08-23 | 2011-02-24 | GIF Gesellschaft für Industrieforschung mbH | Drehmomentmesseinrichtung und Anordnung aus einer Drehmomentmesseinrichtung und einer Triebwelle |
CN101701856B (zh) * | 2009-11-30 | 2011-03-30 | 重庆大学 | 一种高拉扭比的拉扭复合式传感器 |
DE102010034638A1 (de) | 2010-03-03 | 2011-09-08 | GIF Gesellschaft für Industrieforschung mbH | Drehmomentmesswelle |
DE202010005613U1 (de) * | 2010-06-10 | 2010-09-02 | Eduard Wille Gmbh & Co. Kg | Drehmoment-Aufnehmer mit U-Profil-Steg |
CN102445289B (zh) * | 2010-10-05 | 2013-07-03 | 杨锦堂 | 扭力传感器 |
JP2012127883A (ja) * | 2010-12-17 | 2012-07-05 | Sinfonia Technology Co Ltd | トルクセンサ及びこれを備えた駆動装置 |
DE102011000054B4 (de) * | 2011-01-07 | 2014-12-11 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Torsionssensor |
DE102011116561A1 (de) * | 2011-03-11 | 2012-09-13 | GIF Gesellschaft für Industrieforschung mbH | Drehmomentmesswelle und Verfahren zur Messung eines Drehmomentes |
JP2013024692A (ja) * | 2011-07-20 | 2013-02-04 | Ono Sokki Co Ltd | トルク測定器 |
US9857254B2 (en) | 2012-05-18 | 2018-01-02 | Atesteo Gmbh | Torque-measuring device or jig |
DE102013005967A1 (de) | 2012-05-18 | 2013-11-21 | GIF Gesellschaft für Industrieforschung mbH | Drehmomentmesseinrichtung bzw. -vorrichtung |
AT513125B1 (de) * | 2013-10-31 | 2015-05-15 | Avl List Gmbh | Messerweiterung in Wellenverbänden |
DE102014017410A1 (de) | 2014-11-06 | 2016-05-12 | GIF Gesellschaft für Industrieforschung mbH | Drehmomentmesswelle |
JP6632204B2 (ja) * | 2015-03-13 | 2020-01-22 | キヤノン株式会社 | 駆動装置、ロボット装置、および物品の製造方法 |
DE102016010551B3 (de) * | 2016-08-31 | 2018-02-08 | Sensodrive Gmbh | Drehmomentsensor mit radialelastischer Momentübertragung |
DE102017004378A1 (de) * | 2017-05-05 | 2018-11-08 | Hottinger Baldwin Messtechnik Gmbh | Doppelflansch-Drehmomentaufnehmer |
DE102017004587A1 (de) * | 2017-05-12 | 2018-11-15 | Hottinger Baldwin Messtechnik Gmbh | Doppelflansch-Drehmomentaufnehmer mit Korrektursensorik |
DE102017005392A1 (de) * | 2017-06-06 | 2018-12-06 | Hottinger Baldwin Messtechnik Gmbh | Doppelflansch-Verformungskörper für Drehmomentaufnehmer |
IT201800005302A1 (it) | 2018-05-11 | 2019-11-11 | Pedivella di bicicletta dal lato trasmissione, dotata di rilevatore di sforzi/deformazioni per un misuratore di coppia o di potenza, nonche' metodi correlati | |
IT201800005297A1 (it) | 2018-05-11 | 2019-11-11 | Pedivella di bicicletta e relativa guarnitura | |
IT201800005299A1 (it) | 2018-05-11 | 2019-11-11 | Componente di bicicletta dotato di sensore di sforzi/deformazioni compensato in temperatura | |
CA3042547A1 (fr) | 2018-05-11 | 2019-11-11 | Campagnolo S.R.L. | Manivelle de bicyclette comportant un systeme electrique/electronique |
IT201800005294A1 (it) | 2018-05-11 | 2019-11-11 | Componente di bicicletta in materiale composito e relativo processo di fabbricazione | |
JP7204091B2 (ja) * | 2018-07-30 | 2023-01-16 | ユニパルス株式会社 | トルク変換器 |
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2007
- 2007-02-01 DE DE102007005894A patent/DE102007005894A1/de not_active Withdrawn
- 2007-06-14 EP EP07764380A patent/EP2052227A1/fr not_active Withdrawn
- 2007-06-14 WO PCT/DE2007/001073 patent/WO2007143986A1/fr active Application Filing
- 2007-06-14 DE DE112007003595.1T patent/DE112007003595B4/de active Active
- 2007-06-14 JP JP2009514635A patent/JP2009540306A/ja active Pending
- 2007-06-14 DE DE112007001383T patent/DE112007001383A5/de not_active Ceased
- 2007-06-14 US US12/308,287 patent/US20100162830A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2007143986A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2007143986A1 (fr) | 2007-12-21 |
DE112007001383A5 (de) | 2009-03-19 |
DE112007003595B4 (de) | 2017-08-17 |
US20100162830A1 (en) | 2010-07-01 |
JP2009540306A (ja) | 2009-11-19 |
DE102007005894A1 (de) | 2007-12-20 |
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