• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a transmission (1) with at least one shaft (2) on which at least a first and a second gear (3, 4) are rotatably mounted, wherein between the gears (3, 4) at least one clutch (5) to drive-connect the shaft (2) to at least one of the two gears (3, 4). An extremely compact construction can be achieved if the coupling (5) is arranged at least partially, preferably at least predominantly within the first and / or second gearwheel (3, 4).
    公开号:AT511149A2
    申请号:T1779/2011
    申请日:2011-12-01
    公开日:2012-09-15
    发明作者:
    申请人:Avl List Gmbh；
    IPC主号:
    专利说明:

    56303
    The invention relates to a transmission with at least one shaft on which at least a first and a second gear are rotatably mounted, wherein between the gears at least one coupling element is arranged to drive connect the shaft with at least one of the two gears.
    From US 7,559,415 B2, a hydraulic synchronizer clutch for connecting a shaft with at least one gear is known, wherein the synchronizer clutch is disposed between two gears on the shaft.
    A similar synchronizer clutch is disclosed by FR 2 928 431 A1 or US 4,131,185 A.
    The disadvantage is that these arranged between two gears clutches take a relatively large amount of space and increase the length of the transmission in the axial direction.
    The object of the invention is to avoid the disadvantages mentioned and to substantially reduce the required space in a transmission of the type mentioned.
    According to the invention this is achieved in that the clutch is at least partially, preferably at least predominantly within the first and / or second gear arranged.
    In this case, the clutch can be arranged at least partially within an annular first cavity defined by a first and / or second sprocket region of the first gear or second gear. The preferably cylindrical first and / or second cavity can in this case be delimited by a toothed wheel disk of the first or second toothed wheel. First and the second cavity are connected to each other in the region of a normal plane formed on the axis of rotation intermediate plane between the two gears and form a central annulus.
    The coupling is thus preferably arranged at least predominantly within an annular space spanned by the first and second sprocket regions and the first and second sprocket disks.
    The fact that the clutch is disposed within the two gears, the required length of the transmission can be significantly shortened.
    The coupling can be designed as a dog clutch and / or as a synchronizer clutch.
    Especially little space is required if the clutch is hydraulically actuated and has at least one hydraulic actuating piston per gear. The clutch advantageously has an axially displaceable in the direction of the axis of the shaft and rotatably connected to the shaft sliding sleeve, which has on each end face an axial toothing, which is engageable in a corresponding axial toothing of the first and second gear.
    In a particularly simple and partially-saving embodiment of the invention, it is provided that at least one actuating piston is formed by an annular piston which is arranged so as to be axially displaceable coaxially with respect to the shaft. Alternatively, it can be provided that at least one actuating piston is formed by an axially displaceable cylindrical piston whose axis is spaced from the axis of rotation of the shaft. It is particularly advantageous if at least one group of actuating pistons formed by cylindrical pistons is arranged uniformly along a circular line around the axis of rotation of the shaft, wherein preferably at least one actuating piston or a group of actuating pistons is arranged in the region of an end face of the sliding sleeve. In order to save axial length can be provided that a group of first actuating piston in the region of a first end side and a group of second actuating piston in the region of a second end face of the sliding sleeve is arranged, wherein preferably the first and second actuating piston are arranged offset in the circumferential direction to each other ,
    Alternatively to the arrangement in the sliding sleeve can be provided according to another extremely space-saving embodiment variant of the sliding sleeve, that at least one actuating piston or a group of actuating piston in ** * > »* * * ··· η
    • *** ····································································································
    It is arranged axially displaceably first or second gearwheel. Furthermore, it is also possible that at least one Betätigungskoiben or a group of actuating piston is integrated in the shaft or in a fixedly connected to the shaft flange, wherein preferably the sliding sleeve is mounted axially displaceably on the flange. The actuating piston acts in the direction of the axis on a firmly connected to the sliding sleeve shoulder.
    The invention will be explained in more detail below with reference to FIGS.
    1 shows a detail of a transmission according to the invention in a longitudinal section in a first embodiment, Fig. 2 shows a sliding sleeve of Figure 1 in detail in longitudinal section, Fig. 3, this sliding sleeve in an oblique view, Fig. 4, a sliding sleeve of a transmission according to the invention 6 shows a sliding sleeve of a transmission according to the invention in a third embodiment in a longitudinal section, Fig. 7, this sliding sleeve in an oblique view, Fig. 8, a sliding sleeve a sliding sleeve of a transmission according to the invention in a fourth embodiment in a longitudinal section and Fig. 9, this sliding sleeve in an oblique view.
    Functionally identical parts are provided in the embodiment variants with the same reference numerals.
    The transmission 1 has a shaft 2 on which a first gear 3 and a second gear 4 are rotatably mounted. The two gears 3, 4 are drive-connected via a arranged between the two gears 3, 4 clutch 5 with the shaft 2. The coupling 5 in this case has a sliding sleeve 20, which is positively connected via a shaft toothing 21 with the shaft 2.
    In this case, the first gearwheel 3 has a substantially annular first cavity 7 formed by an annular first toothed rim region 6, the toothed rim 6a being arranged outside on the first toothed rim region 6. Similarly, within a second sprocket area 8, a substantially annular second cavity 9 is arranged. By the at least predominant arrangement of all parts of the coupling 5 in the first and / or second cavity 7, 8, or within the first and second gear 3, 4,
    • The length of the transmission 1 in the axial direction can be significantly shortened and thus an extremely compact transmission 1 can be realized.
    The sprocket 8a of the second gear 4 is located on the outer circumference of the second sprocket area 8. The clutch 5 is at least predominantly received by the first cavity 7 and the second cavity 9 of the gears 3, 4, wherein the cavities 7, 9 frontally by first or second gear wheels 3a, 4a of the first and second gear 3, 4 are limited. The first and second cavities 7, 9 are open and connected to one another in the region of the intermediate plane ε between the two toothed wheels 3, 4 which is normally formed on the rotation axis 2 'and thus form a central annular space 79 between the shaft 2 and the toothed wheels 3, 4 out. A hydraulic first actuating piston 10 is located within the first cavity 7, a hydraulic second actuating piston 11 within the second cavity 9, and / or within the first and second gear 3, 4. The first hydraulic actuating piston 10 and the second hydraulic actuating piston 11 borders to a first or second pressure chamber 12, 13, in which a first or second pneumatic or hydraulic pressure line 14, 15 opens. Via the pressure lines 14, 15, the actuating pistons 10, 11 can be deflected parallel to the axis 2 'of the shaft 2 in order to connect the shaft 2 with the first gear 3 or the second gear 4.
    In the embodiment illustrated in FIGS. 1 to 3, the sliding sleeve 20 is displaced in the shaft toothing 21 back and forth by two actuating pistons 10, 11 designed as annular pistons 10a, 11a. The sliding movement is triggered by 2 oil via an unillustrated control valve on the bores 22, 23, 24 in the shaft, or discharged.
    In Figs. 1 to 3 of the pressure chambers 12, 13 opening pressure lines 14, 15 only the center line is located. Via the bore 22, the pressure chamber 12 of the left annular piston 10 a via the first pressure line 14 pressurized and the right annular piston 11 a via the pressure line 15 and the central bore 23 pressure relieved. Conversely, via the bore 24 and the second pressure line 15 of the right annular piston 11 a pressure is applied and the left annular piston 10 a via the first pressure line 14 and the central bore 23 are relieved of pressure. In the position shown in FIGS. 1 to 3, the right-hand ring piston 11a is supported on the side of the 5 •. Right gear 4 off and pushes the sliding sleeve 20 of the clutch 5 to the left. In this case, the left axial toothing 20a of the sliding sleeve 20 comes with a corresponding axial toothing 6b of the left gear 3 after synchronization for engagement, as shown in Fig. 1. Thus, the left gear 3 is positively connected to the shaft 2.
    In the embodiment variant shown in FIGS. 4 and 5, the actuating pistons 10, 11 are formed by smaller cylindrical pistons 10b, 11b compared to the annular pistons 10a, 11a. These pistons 10b, 11b are installed alternately from left to right in the sliding sleeve 20, so that a group of first actuating piston 10 in the region of a first end face 20 'of the sliding sleeve 20 and a group of second actuating piston 11 in the region of a second end face 20 " Sliding sleeve 20 is arranged. The oil pressure supply and pressure relief is analogous to the embodiment shown in FIGS. 1 to 3.
    FIGS. 6 and 7 show a third embodiment in which the actuating pistons 10, 11 are installed in the toothed wheels 3, 4 in the exemplary embodiment. In FIGS. 6 and 7, only the left-hand gear 3 is shown with an actuating piston 10c designed as a piston 10a. A flange 25 is pressed onto the shaft 2. This carries the teeth 21 for rotational connection with the sliding sleeve 20. By the movement of the actuating piston 10, 11, the sliding sleeve 20 is moved back and forth. In this way, the left-hand gear 3, or the right-hand gear 4 known from FIG. 1, not shown in FIGS. 6 and 7, can be connected to the shaft 2 via the axial toothings 20a, 20b.
    8 and 9, a fourth embodiment is shown, in which the sliding sleeve 20 of the actua tion piston 10, 11, which are housed in a pressed flange 25, relative to this flange 25 can be moved back and forth in the longitudinal direction. The illustrated in the example as a small piston lOd, lld formed actuating piston lOd, lld be based firmly on the sliding sleeve 20 connected by annular discs 26 shoulders 27 from. In the illustration shown, the right-hand gear 4, not shown, is located above the axial toothing 5 in connection with the drive shaft 2.
    权利要求:
    Claims (19)
    [1]
    1. Transmission (1) with at least one shaft (2) on which at least a first and a second gearwheel (3, 4) are rotatably mounted, wherein between the gearwheels (3, 4) at least one clutch (5) is arranged to drive connect the shaft (2) with at least one of the two gears (3, 4), characterized in that the clutch (5) at least partially, preferably at least predominantly within the first and / or second Gear (3, 4) is arranged.
    [2]
    2. Transmission (1) according to claim 1, characterized in that the coupling (5) at least partially within a by a first toothed rim region (6) of the first gear (3) limited annular first cavity (7) is arranged.
    [3]
    3. Transmission (1) according to claim 1 or 2, characterized in that the coupling (5) at least partially within a by a second sprocket portion (8) of the second gear (4) limited, annular second cavity (9) is arranged.
    [4]
    4. gearbox (1) according to one of claims 2 to 3, characterized in that the cavity (7, 9) frontally by a first and / or second gear disc (3a, 4a) is limited.
    [5]
    5. Transmission (1) according to one of claims 1 to 4, characterized in that the first and the second cavity (7, 9) together form a central annular space (79).
    [6]
    6. Transmission (1) according to one of claims 1 to 5, characterized in that the coupling (5) at least predominantly within a through the first and the second toothed rim region (6, 8) and the first and the second gear disc spanned annular space (79 ) is arranged.
    [7]
    7. Transmission (1) according to one of claims 1 to 6, characterized in that the coupling (5) is designed as a dog clutch. · "· · ·» · Ft «« · * * · ♦ "·" · "" "·" "*" * * * ftftr fr I t
    [8]
    8. Transmission (1) according to one of claims 1 to 7, characterized in that the coupling (5) is designed as a synchronizer clutch.
    [9]
    9. transmission (1) according to one of claims 1 to 8, characterized in that the coupling (5) is hydraulically actuated and per gear (3, 4) has at least one hydraulic actuating piston (10, 11).
    [10]
    10. Transmission (1) according to one of claims 1 to 9, characterized in that the coupling (5) has an axially displaceable and with the shaft (2) rotatably connected sliding sleeve (20).
    [11]
    11. Transmission (1) according to claim 10, characterized in that the sliding sleeve (20) on each end face (20 ', 20 ") has an axial toothing (20a, 20b), which in a corresponding axial toothing (6b, 8b) of the first or second gear (3, 4) is engageable.
    [12]
    12. Transmission (1) according to one of claims 9 to 11, characterized in that at least one actuating piston (10, 11) by a coaxial with the shaft (2) axially displaceably arranged annular piston (10a, 11b) is formed.
    [13]
    13. Transmission (1) according to one of claims 9 to 12, characterized in that at least one actuating piston (10, 11) by an axially displaceable cylindrical piston (10b, 10c, lOd, 11b, 11c, lld) is formed, whose axis (10 ', 11') from the axis of rotation (2 ') of the shaft (2) is spaced.
    [14]
    14. A transmission (1) according to claim 13, characterized in that at least one group of actuating pistons (10, 11) formed by cylindrical pistons (10b, 10c, 10d, 11b, 11c, 11d) are arranged uniformly along a circular line about the axis of rotation (2 ') of the shaft (2) is arranged.
    [15]
    15. Transmission (1) according to one of claims 9 to 14, characterized in that at least one actuating piston (10, 11) or a group of actuating pistons (10, 11) in the region of an end face (20a, 20b) of the sliding sleeve (20). is arranged.
    [16]
    16. A transmission (1) according to any one of claims 15, characterized in that a group of first actuating piston (10) in the region of a first end face (20a) and a group of second actuating piston (11) in the region of a second end face (20b) of Sliding sleeve (20) is arranged, wherein preferably the first and second actuating pistons (10, 11) are arranged offset in the circumferential direction to each other.
    [17]
    17 transmission (1) according to one of claims 9 to 15, characterized in that at least one actuating piston (10, 11) or a group of actuating piston (10, 11) in the first or second gear (3, 4) is arranged axially displaceable ,
    [18]
    18. Transmission (1) according to one of claims 9 to 17, characterized in that at least one actuating piston (10, 11) or a group of actuating pistons (10, 11) in the shaft (2) or in a fixed to the shaft ( 2) connected flange (25) is integrated.
    [19]
    19. Transmission (1) according to claim 18, characterized in that the sliding sleeve (20) on the flange (25) is mounted axially displaceable, wherein the actuating piston (10, 11) in the direction of the axis (2 ') on a fixed the sliding sleeve (20) connected shoulder (27) acts.

    2011 12 01 Fu / St
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    同族专利:
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    FR3047289A1|2016-01-29|2017-08-04|Imad Morchid|TRANSMISSION OPERATED BY A CONTROL FLUID|DE410285C|1922-01-27|1925-03-07|Benno R Dierfeld|Hydraulic clutch for change gear|
    GB405429A|1932-11-15|1934-02-08|Percy Riley|Fluid-actuated clutches|
    US2546746A|1946-11-18|1951-03-27|Int Harvester Co|Synchronizer clutch|
    US3086633A|1959-08-13|1963-04-23|Zahnradfabrik Friedrichshafen|Positive engagement clutch|
    GB1196546A|1968-07-15|1970-06-24|Hitachi Seiki Kabushiki Kaisha|Improvements in or relating to Clutch or Coupling Mechanisms|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA210/2011A|AT511147A1|2011-02-17|2011-02-17|TRANSMISSION WITH AT LEAST ONE SHAFT|
    ATA1779/2011A|AT511149B1|2011-02-17|2011-12-01|TRANSMISSION|ATA1779/2011A| AT511149B1|2011-02-17|2011-12-01|TRANSMISSION|
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