WO2011096255A1 - ディファレンシャルギアケース - Google Patents
ディファレンシャルギアケース Download PDFInfo
- Publication number
- WO2011096255A1 WO2011096255A1 PCT/JP2011/050437 JP2011050437W WO2011096255A1 WO 2011096255 A1 WO2011096255 A1 WO 2011096255A1 JP 2011050437 W JP2011050437 W JP 2011050437W WO 2011096255 A1 WO2011096255 A1 WO 2011096255A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- differential gear
- storage housing
- differential
- opening
- flange
- Prior art date
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Classifications
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- 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
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
- F16H48/40—Constructional details characterised by features of the rotating cases
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- 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
- F16H48/00—Differential gearings
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- 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
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/08—Differential gearings with gears having orbital motion comprising bevel gears
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- 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
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
- F16H2048/382—Methods for manufacturing differential gearings
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- 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
- Y10T29/49826—Assembling or joining
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- 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
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2186—Gear casings
Definitions
- the present invention relates to a differential gear case that houses a differential gear that distributes power in a power transmission system of a vehicle or the like and that also functions as a part of a power transmission member.
- differential case As a conventional differential gear case (hereinafter referred to as “difference case”), for example, an annular flange that circulates around the rotation axis of the storage housing is provided on the outer peripheral surface of the differential gear storage housing, and this flange is used as a boundary.
- a plurality of reinforcing ribs extending radially about the rotation axis of the storage housing are provided in one region on the outer peripheral surface of the storage housing (see, for example, Patent Document 1).
- such a differential case is formed by forming an opening that leads to the storage space in the differential case in a region on the opposite side of the reinforcing rib from the flange in the region constituting the storage housing.
- the differential gear is assembled through and the inside of the differential case is processed.
- the above-mentioned reinforcing rib is used not only for improving the strength of the differential case, but also as a fixing part when processing the differential case.
- the area on the opening side is formed with one split mold (main mold), while the area on the rib side on the opposite side of the opening side area and the flange. Is formed with another split mold (upper mold), and these two split molds are aligned with each other on the flange side along the rotation axis direction of the differential case to form a cavity (molding space), and a core is formed in this molding space.
- the whole differential case is molded integrally, Since the upper mold and the main mold may be misaligned around the rotation axis of the differential case at the mating surface, when the differential case is fixed with the reinforcing rib, the position of the opening around the rotation axis of the differential case is The inventors have come to recognize that this is caused by a deviation between the designed position around the rotation axis and the position around the actual rotation axis after molding.
- the present invention is provided with an annular flange that circulates around the rotation axis of the storage housing on the outer peripheral surface of the differential gear storage housing, and in one region of the storage housing with the flange as a boundary, A differential gear case in which an opening leading to a storage space formed inside the storage housing is formed, A fixing part for fixing the differential gear case is provided in a region of the storage housing where the opening is formed.
- the fixing portion may include two planes that are parallel to a plane including the rotation axis of the storage housing and are spaced around the rotation axis.
- the fixing portion may be provided in the vicinity of the outer edge of the outer edge on the side facing the flange, in the vicinity of the edge forming the opening.
- the fixing part may constitute the same plane together with the edge part forming the opening part.
- FIG. 3 is a plan view schematically showing a state in which the differential gear case of FIG. 2 is fixed to a machine tool when the differential gear case is post-processed from the direction of the rotation axis. It is a perspective view which shows the state before post-processing the differential gear case which is the 2nd form of this invention.
- (a)-(e) is a schematic diagram which shows each process at the time of drilling with respect to the flange of a differential gear case using a machine tool in time series. It is a longitudinal cross-sectional view which shows the state before post-processing the conventional differential gear case. It is a perspective view which shows the state before the post-processing of the case roughly.
- the differential gear case of the present invention described below includes an area in which an opening is formed by sandwiching a flange formed on the mating surface by combining two molds along the rotation axis of the case. And the region located on the opposite side across the flange, it is difficult to assemble the differential gear due to the deviation around the rotation axis of the case between these regions.
- a fixing portion for fixing the differential gear case is provided in a region where the opening is formed, and the position of the opening itself is positioned, thereby eliminating the influence of the positional deviation generated around the rotation axis.
- the differential gear can be easily assembled with high accuracy, and the inner side of the differential gear case Even when machining a bolt or forming a bolt hole for fixing the final drive ring gear to the flange, the effects of vibrations etc. that occur in the case can be suppressed, so the finishing process of the differential gear case is highly accurate. Can be done easily.
- the differential gear can be easily assembled with high accuracy, and the inside of the opening can be easily processed with high accuracy.
- the weight reduction and downsizing of the differential gear case can be realized by omitting the reinforcing rib.
- the downsizing of the differential gear case is effective in terms of layout in the power transmission system because it can save space.
- differential case a differential gear case (hereinafter referred to as “difference case”) according to the present invention will be described in detail with reference to the drawings.
- Differential case 1 has on its inner side, has a storage housing 1a of housing space C of the differential gear G d is formed on the outer peripheral surface of the storage housing 1a, the rotational axis of the storage housing 1a (hereinafter, "axial" )
- An annular flange 1f that circulates around O 1 is provided integrally.
- a final drive ring gear G f is fixed to the flange 1 f via a plurality of bolts B. For this reason, a plurality of bolt holes (screw holes) h 1 are formed in the flange 1f.
- the storage space C communicates with the outside through through holes h 2 and h 3 extending left and right along the axis O 1 .
- Axles S 1 and S 2 (indicated by a two-dot chain line in FIG. 1) connected to the differential gear G d pass through the through holes h 2 and h 3 so as to be rotatable around the axis O 1 .
- differential gear G d is connected to the periphery of the axis O 1 together with the differential case 1 by a differential pin P 1 .
- P 2 shown in FIG. 1 is a pin member for fixing the differential pin P 1 through the through hole h 4 formed in the differential case 1.
- the differential case 1 rotates around the axis O 1 by itself to function as a part of the power transmission member, and the differential gear G d housed inside the differential case 1 is an automatic transmission mechanism (The output from (not shown) is distributed to left and right wheels (not shown) via axles S 1 and S 2 arranged on the left and right.
- the differential case 1 in the differential case 1, as shown in FIG. 2, in the storage housing 1a, one of the regions along the axis O 1 with the flange 1f as a boundary (in this embodiment, the region on the left axle S 1 side) ) to 1R 1, 2 one opening a which communicates with the housing space C is formed.
- this one region hereinafter referred to as “opening side region” 1R 1 is more than the other region (hereinafter referred to as “closing side region”) 1R 2 located on the opposite side across the flange 1f.
- the occupied area is large, and the two openings A are provided at positions facing each other across the axis O 1 .
- the opening A is formed in advance before the differential case 1 is post-processed as shown in FIG.
- the differential case 1 is formed by, for example, placing a core in a cavity formed between the mating surfaces of a movable mold and a fixed mold and filling a molten material.
- a fixing portion R for fixing the differential case 1 is integrally provided on the outer edge 1b 1 on the side facing the flange 1f of the edge 1b forming the opening A. ing.
- the fixed region R includes two side surfaces f 1 that are parallel to a plane that includes the axis O 1 and that are planes arranged around the axis O 1 with a space therebetween.
- an upper end surface f 2 composed of the same plane is formed together with the outer edge portion 1 b 1 . That is, as shown in FIG. 3, the fixed portion R has a rectangular cross-sectional shape including two side surfaces f 1 and an upper end surface f 2 connected to the side surfaces f 1 .
- the fixed member 33 as shown in FIG. 2, that its inner surface 33f 1, 33f 2, respectively, into contact with the side surfaces f 1 and the upper end face f 2 was formed in the fixed part R, in FIG. 3 As shown, the entire fixed region R is fitted and held.
- the differential case 1 is fixed in the machine tool 30 by the flange 1f being pressed by the four clamp devices 32 against the fixed plate 31 provided in the machine tool 30 as shown in FIG.
- the fixing member 33 is fitted to the fixing portion R, it is positioned around the axis O 1 .
- the opening A formed in the differential case 1 is used when the differential gear G d is assembled or when the inside of the case 1 is processed.
- the side region 1R 1 is formed by one split mold (main mold), while the closed side region 1R 2 is formed by another split mold (upper mold), and these two split molds are arranged along the direction of the rotation axis O 1 of the differential case 1
- the cavity is formed by joining together with the flange 1f, and the entire differential case 1 is integrally molded by inserting the core into the molding space.
- the upper die and the main die may be misaligned (difference between the angles ⁇ 1 and ⁇ 2 in FIG. 2) around the rotation axis O 1 of the differential case 1 on the mating surface, region (conventionally, the side reinforcing ribs 10r were present) when fixed 1R 2, the position of the aperture a may, to produce a displacement corresponding to the difference, or hardly assembling a differential gear G d, the differential case 1 It might be difficult to process the inside.
- the fixing region R for fixing the differential case 1 is provided in the opening-side region 1R 1 where the opening A is formed, and the rotation axis is positioned by positioning the opening A itself.
- the influence of the positional deviation of the blocking side region 1R 1 with respect to the blocking side region 1R 2 generated around O 1 is eliminated. That is, according to the present embodiment, the position of the aperture A in order to be fixed to a position of as fixing the differential case 1, for example, when assembling a differential gear G d is to realize the assembly with high precision
- the inside of the differential case 1 is processed through the opening A, or when the bolt hole h 1 is formed in the flange 1f, the influence of vibration or the like generated in the case 1 can be suppressed. Can be finished with high accuracy.
- the differential case 1 of the present embodiment it is possible to easily assemble the differential gear G d with high precision, moreover, can be easily processed inside the opening A with high precision.
- a pattern in which the deviation occurs between the upper mold and the main mold there are a pattern that is generated when these are matched and a pattern that is generated when the molten material such as iron is poured into the mold and then released. Conceivable.
- the differential case 1 when the differential case 1 is fixed, it is necessary to fix the differential case 1 with the reinforcing rib 10r (see FIG. 6) provided in the storage housing 1a as in the conventional differential case 10 shown in FIGS. There is no.
- the weight reduction and size reduction of the differential case 1 can be achieved by omitting the reinforcing rib 10r.
- the downsizing of the differential case 1 due to the omission of the reinforcing rib 10r is effective in terms of layout in a power transmission system in an automatic transmission or the like because space can be saved.
- the fixed portion R a parallel to the plane including the axis O 1
- the side f 1 consisting of two planes which are spaced apart on the axis O 1 around if, to change the arrangement of the fixed portion R in the storage housing 1a, also, be selected any of the shape of the upper end face f 2, by using the fixing member 33, the axis O of the storage housing 1a Can be fixed from various directions around one . That is, according to this configuration, by providing a degree of freedom in a fixed position of the differential case 1, while improving the assembly accuracy and processing accuracy of the differential gear G d, to provide a differential case versatile for equipment apparatus such as a Can do.
- the fixed part R is provided so as to be integrated with the outer edge 1b 1 on the side facing the flange in the vicinity of the edge 1b forming the opening A as in this embodiment. if, by increasing the thickness of the easy areas to concentrate stress, because it can reinforce the storage housing 1a, while improving the assembly accuracy and processing accuracy of the differential gear G d, to provide a differential case 1 with improved durability Can do.
- the differential case 1 when molding mold of the edge 1b shaping the opening A, the opening ridge parts (inner ridge portion) shaping the corner portions of the A inside 1b e, since susceptible to burrs , as in the present embodiment, the fixed site R, if with the outer edge 1b 1 which forms the opening a as constituting the same plane, do not interfere with the inner ridge portions 1b e of the upper end face f 2 of the fixed part R Can be held and fixed by the part.
- the differential case 1 by increasing the thickness of the region to be reinforced for the most stress concentration, while improving the assembly accuracy and processing accuracy of the differential gear G d, it is possible to provide the differential case 1 with further improved durability .
- the fixed portion R has two side surfaces that are parallel to a plane including the axis O 1 and are arranged at intervals around the axis O 1. it can be made with the f 1 and the upper end face f 2. Therefore, the fixed portion R in accordance with the present invention, at least, of the proximity of the edge 1b shaping the opening A, may be provided to the proximity of the outer edge portion 1b 1 of the flange 1f and the opposite side.
- the outer edge 1b 1 on the side facing the flange 1f in the vicinity of the edge 1b forming the opening A is fixed to the fixing portion R according to the present invention. is configured by providing two raised portions R 1 outside proximity n of.
- the fixing member 33 has a shape as shown in FIG.
- the inner surface 33f 1 to 33f 3 of the fixing member 33 comes into contact with the side surface f 1 and the upper end surface f 2 formed on the raised portion R 1 and the outer edge 1b 1 , so that two raised portions are formed. the entire R 1 is fitted and held.
- the differential case 1 of this embodiment is also positioned around the axis O 1 by fitting the fixing member 33 to the fixing portion R composed of the two raised portions R 1 .
- the fixing member 33 only needs to fit and hold at least two side surfaces f 1 .
- at least the inner side surface 33f 1 of the fixing member 33 comes into contact with the two side surfaces f 1 from the direction orthogonal to the axis O 1 , so that the fixing portion R is fitted and held.
- the inner side surface 33f 1 of the fixing member 33 contacts the two side surfaces f 1 from the direction along the axis O 1.
- whether the inner side surface 33f 2 or the inner side surface 33f 3 of the fixing member 33 is brought into contact with the upper end surface f 2 or the outer edge portion 1b 1 of the fixing portion R is arbitrary.
- the following method can be adopted in the drilling process.
- 5 (a) to 5 (e) are schematic diagrams showing time-series each process when drilling the flange 1f using the machine tool 30.
- FIG. 5 (a) to 5 (e) are schematic diagrams showing time-series each process when drilling the flange 1f using the machine tool 30.
- the differential case 1 is disposed in the machine tool 30 as shown in FIG.
- centering is performed using centering shafts 34a and 34b provided in the machine tool 30.
- the centering is performed by, for example, inserting the centering shafts 34 a and 34 b into the through holes h 2 and h 3 of the differential case 1 so as to be rotatable.
- the differential case 1 to be rotatable about an axis O 1, it is positioned in the axial line O 1 direction.
- the differential case 1 is fixed using the fixing member 33 so as not to rotate around the axis O 1 .
- the fixing member 33 fixes the differential case 1 by fitting and holding the fixing portion R as described above. Thereby, the differential case 1 is positioned around the axis O 1 (rotation axis).
- the differential case 1 is positioned in the XYZ-axis direction in the machine tool 30 through the first to third steps.
- the differential case 1 is further firmly fixed using the clamp device 32.
- the clamp device 32 presses the flange 1f against the fixed platen 31 to fix the differential case 1 to the machine tool 30 without causing backlash. This prevents rattling of the differential case 1 that occurs during drilling.
- drilling is performed on the flange 1f using a tool such as a drill.
- a tool such as a drill.
- the bolt hole h 1 can be threaded by using a tool such as a tap as necessary.
- the fifth step it is also possible to perform cutting for the purpose of, for example, surface processing of the differential case 1 in the machine tool 30 together with drilling.
- cutting for the purpose of, for example, surface processing of the differential case 1 in the machine tool 30 together with drilling.
- by performing cutting on the flange 1f it is possible to form an external shape that borders the bolt hole with respect to the flange 1f, as shown by a two-dot chain line in FIG.
- the conventional differential case 10 is provided with a plurality of reinforcing ribs 10r around the axis O 1 in the closed side region 1R 2 facing the opening A with the flange 1f as a boundary.
- the differential case 10 is positioned around the axis O by using the rib 10r as a fixed portion.
- the differential case 10 as described above is fixed by the small occupied area 1R 2 occupying the entire housing housing 1a out of the opening side area 1R 1 and the closed side area 1R 2 separated by the flange 1f.
- the present invention is not limited to vehicles, and can be applied as a component of various power transmission systems as long as it is a power transmission system using a differential gear.
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Abstract
Description
上型と主型とが、その合わせ面にて、デフケースの回転軸回りにズレを生じることがあるため、デフケースを補強リブで固定したとき、当該デフケースの回転軸周りでの開口部の位置が、設計上の回転軸周りでの位置と、金型成形後の実際の回転軸周りでの位置との間で、ズレを生じていることに起因することを認識するに至った。
収納ハウジングのうち、開口部が形成された領域に、ディファレンシャルギアケースを固定するための固定部位を設けたことを特徴とするものである。
収納ハウジングのうち、開口部が形成された領域に、ディファレンシャルギアケースを固定するための固定部位を設け、開口部側そのものを位置決めすることで、回転軸線周りに生じる位置ズレの影響を解消する。即ち、本発明によれば、開口部の位置は、ディファレンシャルケースを固定したとおりの位置に固定されるため、例えば、ディファレンシャルギアを高い精度で容易に組み付けることができ、また、ディファレンシャルギアケースの内側を加工するときや、フランジに対してファイナルドライブリングギアを固定するためのボルト孔を形成するときも、当該ケースに生じる振動等の影響が抑えられるため、ディファレンシャルギアケースの仕上げ加工等を高い精度で容易に行うことができる。
Claims (4)
- ディファレンシャルギアの収納ハウジングの外周面に、当該収納ハウジングの回転軸周りを周回する環状のフランジが設けられていると共に、当該フランジを境にした前記収納ハウジングにおける一方の領域に、当該収納ハウジングの内側に形成された収納空間に通じる開口部が形成されているディファレンシャルギアケースであって、
収納ハウジングのうち、開口部が形成された領域に、ディファレンシャルギアケースを固定するための固定部位を設けたことを特徴とするディファレンシャルギアケース。 - 請求項1において、前記固定部位は、収納ハウジングの回転軸を含む平面と平行であって、当該回転軸周りに間隔を空けて配置された2つの平面を備えるものであることを特徴とするディファレンシャルギアケース。
- 請求項2において、前記固定部位は、少なくとも、開口部を形作る縁部の近傍域のうち、フランジと対向する側の外側縁部の外側近傍域に設けられていることを特徴とするディファレンシャルギアケース。
- 請求項3において、前記固定部位は、開口部を形作る縁部と共に同一の平面を構成するものであることを特徴とするディファレンシャルギアケース。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112012019391A BR112012019391B1 (pt) | 2010-02-02 | 2011-01-13 | caixa de engrenagem do diferencial e método para processamento do mesmo |
RU2012137221/11A RU2509936C1 (ru) | 2010-02-02 | 2011-01-13 | Картер дифференциала и способ его обработки |
US13/576,321 US9285026B2 (en) | 2010-02-02 | 2011-01-13 | Differential gear case and method for processing same |
KR1020127022871A KR101335099B1 (ko) | 2010-02-02 | 2011-01-13 | 차동 기어 케이스 및 그 가공 방법 |
MX2012008972A MX2012008972A (es) | 2010-02-02 | 2011-01-13 | Cubierta de engranaje diferencial y metodo para procesar la misma. |
CN201180006498.7A CN102713360B (zh) | 2010-02-02 | 2011-01-13 | 差速齿轮箱及其加工方法 |
EP11739604.4A EP2532925B1 (en) | 2010-02-02 | 2011-01-13 | Differential gear case |
IN2215KON2012 IN2012KN02215A (ja) | 2010-02-02 | 2011-01-13 | |
US15/018,038 US10036461B2 (en) | 2010-02-02 | 2016-02-08 | Differential gear case and method for processing same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-021248 | 2010-02-02 | ||
JP2010021248A JP5309045B2 (ja) | 2010-02-02 | 2010-02-02 | ディファレンシャルギアケース及びその加工方法 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US13/576,321 A-371-Of-International US9285026B2 (en) | 2010-02-02 | 2011-01-13 | Differential gear case and method for processing same |
US15/018,038 Division US10036461B2 (en) | 2010-02-02 | 2016-02-08 | Differential gear case and method for processing same |
Publications (1)
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WO2011096255A1 true WO2011096255A1 (ja) | 2011-08-11 |
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PCT/JP2011/050437 WO2011096255A1 (ja) | 2010-02-02 | 2011-01-13 | ディファレンシャルギアケース |
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US (2) | US9285026B2 (ja) |
EP (1) | EP2532925B1 (ja) |
JP (1) | JP5309045B2 (ja) |
KR (1) | KR101335099B1 (ja) |
CN (1) | CN102713360B (ja) |
BR (1) | BR112012019391B1 (ja) |
IN (1) | IN2012KN02215A (ja) |
MX (1) | MX2012008972A (ja) |
RU (1) | RU2509936C1 (ja) |
WO (1) | WO2011096255A1 (ja) |
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US10527146B2 (en) * | 2017-04-14 | 2020-01-07 | Abb Schweiz Ag | Structure and method of assembling a differential assembly |
JP6847874B2 (ja) * | 2018-01-18 | 2021-03-24 | 武蔵精密工業株式会社 | 差動装置 |
CN109725318B (zh) * | 2018-12-29 | 2021-08-27 | 百度在线网络技术(北京)有限公司 | 信号处理方法及装置、主动传感器及存储介质 |
JP2021011900A (ja) * | 2019-07-04 | 2021-02-04 | 武蔵精密工業株式会社 | 差動装置 |
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JPH04274928A (ja) * | 1991-02-28 | 1992-09-30 | Suzuki Motor Corp | 自動車の動力伝達装置 |
DE4142121A1 (de) * | 1991-12-20 | 1993-06-24 | Giddings & Lewis Gmbh | Transferstrasse zur bearbeitung von werkstuecken, insbesondere zur bearbeitung von ausgleichsgehaeusen |
US5207749A (en) * | 1992-02-13 | 1993-05-04 | Kabushikikaisha Otec | Inner surface shaper |
DE10307977C5 (de) * | 2003-02-24 | 2012-04-05 | Emag Holding Gmbh | Verfahren und Vorrichtung zur Bearbeitung von Ausgleichsgehäusen |
JP4686982B2 (ja) * | 2004-01-30 | 2011-05-25 | トヨタ自動車株式会社 | 差動装置 |
JP4400517B2 (ja) * | 2004-07-09 | 2010-01-20 | 株式会社ジェイテクト | 車両用差動歯車装置 |
US7479087B2 (en) * | 2006-04-03 | 2009-01-20 | Metaldyne Company Llc | Pinion shaft and differential housing assembly |
JP4770788B2 (ja) * | 2007-04-27 | 2011-09-14 | トヨタ自動車株式会社 | 車両用差動歯車装置 |
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2010
- 2010-02-02 JP JP2010021248A patent/JP5309045B2/ja active Active
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2011
- 2011-01-13 CN CN201180006498.7A patent/CN102713360B/zh active Active
- 2011-01-13 MX MX2012008972A patent/MX2012008972A/es active IP Right Grant
- 2011-01-13 US US13/576,321 patent/US9285026B2/en active Active
- 2011-01-13 WO PCT/JP2011/050437 patent/WO2011096255A1/ja active Application Filing
- 2011-01-13 KR KR1020127022871A patent/KR101335099B1/ko active IP Right Grant
- 2011-01-13 EP EP11739604.4A patent/EP2532925B1/en active Active
- 2011-01-13 BR BR112012019391A patent/BR112012019391B1/pt active IP Right Grant
- 2011-01-13 RU RU2012137221/11A patent/RU2509936C1/ru active
- 2011-01-13 IN IN2215KON2012 patent/IN2012KN02215A/en unknown
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2016
- 2016-02-08 US US15/018,038 patent/US10036461B2/en active Active
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JPH08320059A (ja) * | 1995-05-25 | 1996-12-03 | Yanagawa Seiki Kk | デファレンシャルおよびその製造方法ならびに該製法に用いる中子 |
JP2009216154A (ja) * | 2008-03-10 | 2009-09-24 | Gkn ドライブライン トルクテクノロジー株式会社 | デファレンシャル装置、そのデフ・ケース、及びデフ・ケースの加工方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111745165A (zh) * | 2020-06-30 | 2020-10-09 | 重庆神箭汽车传动件有限责任公司 | 一种差速器壳体加工方法 |
CN111745165B (zh) * | 2020-06-30 | 2023-02-03 | 双环传动(重庆)精密科技有限责任公司 | 一种差速器壳体加工方法 |
Also Published As
Publication number | Publication date |
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RU2012137221A (ru) | 2014-03-10 |
EP2532925B1 (en) | 2015-12-09 |
IN2012KN02215A (ja) | 2015-04-17 |
BR112012019391A2 (pt) | 2017-07-25 |
US9285026B2 (en) | 2016-03-15 |
KR101335099B1 (ko) | 2013-12-03 |
JP2011158045A (ja) | 2011-08-18 |
MX2012008972A (es) | 2012-08-23 |
CN102713360B (zh) | 2015-04-08 |
RU2509936C1 (ru) | 2014-03-20 |
BR112012019391B1 (pt) | 2020-04-07 |
US10036461B2 (en) | 2018-07-31 |
JP5309045B2 (ja) | 2013-10-09 |
US20160153539A1 (en) | 2016-06-02 |
CN102713360A (zh) | 2012-10-03 |
KR20120116502A (ko) | 2012-10-22 |
EP2532925A1 (en) | 2012-12-12 |
EP2532925A4 (en) | 2013-08-07 |
US20120304812A1 (en) | 2012-12-06 |
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