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
  • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
  • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
  • F16H3/62—Gearings having three or more central gears
  • F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
• • 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
  • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
  • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
  • F16H63/30—Constructional features of the final output mechanisms
  • F16H63/3023—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by fluid pressure
  • F16H63/3026—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by fluid pressure comprising friction clutches or brakes
• • 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
  • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
  • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
  • F16H2003/445—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion without permanent connection between the input and the set of orbital gears
• • 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
  • F16H2200/00—Transmissions for multiple ratios
  • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
  • F16H2200/006—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising eight forward speeds
• • 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
  • F16H2200/00—Transmissions for multiple ratios
  • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
  • F16H2200/0065—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising nine forward speeds
• • 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
  • F16H2200/00—Transmissions for multiple ratios
  • F16H2200/20—Transmissions using gears with orbital motion
  • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
  • F16H2200/2012—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with four sets of orbital gears
• • 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
  • F16H2200/00—Transmissions for multiple ratios
  • F16H2200/20—Transmissions using gears with orbital motion
  • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
  • F16H2200/2046—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with six engaging means
• • 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
  • F16H2200/00—Transmissions for multiple ratios
  • F16H2200/20—Transmissions using gears with orbital motion
  • F16H2200/2097—Transmissions using gears with orbital motion comprising an orbital gear set member permanently connected to the housing, e.g. a sun wheel permanently connected to the housing

Definitions

• the present invention relates to a Planetenradautomatikgetnebe according to the preamble of claim 1.
• Planetenradautomatikgetnebe be switched by closing or opening clutches and / or brakes.
• clutches In various transmission concepts that have a large number of forward gears, so far at least some of the clutches of the transmission must be placed so that they are accessible only via structurally very complex rotary unions or in the case of electrical actuation via Schleifringaktuatoren.
• Figure 1 shows an example of a planetary gear 1, in which the two clutches 2 are technically operable only in a very complex manner. At least it is not possible to arrange a shift actuator in the region of the two clutches, since radially outwardly of the two clutches 2 there is an element 3 which rotates during operation. Similarly difficult is the arrangement of shift actuators in the case of the clutches 2 of the transmission shown in FIG.
• the object of the invention is to provide a Planetenradautomatikgetriebe, in particular a Planetenradautomatikgetriebe with at least eight forward gear ratios, which has an advantageous structure in terms of the arrangement of the shift actuators.
• the starting point of the invention is a Planetenradautomatikgetriebe, in particular a Planetenradautomatikgetriebe with at least eight forward gears.
• Switching devices are provided for switching the individual (forward) gear stages.
• the switching devices may be formed by clutches or brakes.
• shift actuators are provided.
• shift actuator is to be interpreted extremely broadly and basically includes all devices which are suitable for generating actuation forces for actuating the shifting devices. ⁇ br /> ⁇ br /> For planetary gear automatic transmissions, in particular hydraulic or electric shift actuators are relevant.
• the essence of the invention is that the Planetenradautomatikgetriebe is constructed so that all shift actuators of the transmission can be arranged directly on or directly in the region of the associated switching devices and are arranged.
• the invention thus clearly distinguishes itself from “interleaved transmission concepts", as shown, for example, in FIGS. 1 and 2.
• the individual switching devices have “force introduction points.”
• the term “force introduction points” is understood to mean “positions” at which actuation forces are introduced by the assigned shift actuator into the relevant switching device.
• the force application points of all the shift actuators are accessible from a housing of the planetary gear automatic transmission. This is just not the case with the clutches 2 shown in FIGS. 1 and 2.
• all the shift actuators are attached directly to the housing of the transmission or to a supporting device associated with the respective shift actuator, wherein the support device or the support devices is or are connected to the housing.
• the planetary gear automatic transmission has at least one "multiple shift actuator.”
• the term “multiple shift actuator” is understood to mean a shift actuator to which at least two switching devices are functionally assigned.
• a shift actuator can also be assigned to three or more switching devices. The higher the “rank" of such multiple shift actuators, the more compact the transmission tends to be built.
• a shift actuator to which two or more switching devices are functionally assigned, is provided, optionally one or more
• the invention is particularly suitable for planetary gear automatic transmission having four or more planetary gear sets and six or more switching devices.
• FIG. 3 shows the basic principle of the arrangement of shift actuators according to the invention.
• Figure 3 shows a section of a Planetenradautomatikgetriebes 1, which has a housing 4.
• the planetary gear automatic transmission 1 further comprises a clutch 5 and a brake 6.
• a coupling for rotary coupling of two rotatably arranged gear elements 7, 8 is provided.
• a brake is provided for locking or releasing a rotatably arranged gear element 9 with respect to the housing 4 of the planetary gear automatic transmission 1.
• shift actuators Clutches and brakes are referred to hereinafter by the generic term "shifting devices.”
• a first shifting actuator 10 and for actuating the brake 6 are provided a second shift actuator 1 1 is provided.
• the shift actuator 10 is connected to the housing 4 via a support element 12.
• the support elements 12 projects radially inwardly from the housing.
• the shift actuator 1 1 is mounted directly on the inside of the housing.
• the double switching device 17 is formed by the two clutches K14 and K18.
• the double switching device 18 through the clutch K78 and the brake B07.
• the double switching device 19 is formed by the clutch K38 and the brake B03.
• Double or multiple switching devices are characterized in that a plurality of switching devices (clutches or brakes) is functionally assigned a switching actuator.
• the two clutches K14 and K18 are actuated by a shift actuator (see FIG.
• the three double-switching devices 17-19 are arranged so that they are accessible from the housing 4.
• the switching actuators (not shown) associated with the double switching devices 17-19 can thus be arranged directly on or in the region of the associated double switching devices 17-19.
• the switching actuators can thus be fastened, as shown in FIG. 3, either directly on the housing 4 or connected to the housing 4 via a holding device 12.
• Figure 5 shows an embodiment of a Planetenradautomatikgetriebes 1, which also has four Planetenradhaven and four switching devices.
• One switching device is formed by the brake B07, another by the brake B03.
• the respective shift actuators may be attached directly to the housing 4.
• the other two switching devices are designed as double switching devices.
• the one double switching device is formed by the couplings K14 and K18.
• the another double switching device is formed by the couplings K38 and the coupling K78.
• These two double shell devices can also be actuated via a single shift actuator, the z. B. via a holding device 12, as shown in Figure 3, may be connected to the housing 4.

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Physics & Mathematics (AREA)
• Fluid Mechanics (AREA)
• Structure Of Transmissions (AREA)

Applications Claiming Priority (3)

Publications (1)

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ID=44924791

Family Applications (1)

Country Status (5)

Families Citing this family (10)

Citations (2)

Family Cites Families (13)

• 2010
  • 2010-10-01 DE DE102010041883A patent/DE102010041883A1/de not_active Ceased
  • 2010-10-01 DE DE102010041884.6A patent/DE102010041884B4/de active Active
• 2011
  • 2011-05-13 WO PCT/EP2011/002371 patent/WO2011147537A1/de active Application Filing
  • 2011-05-13 EP EP11730186.1A patent/EP2577098A1/de not_active Ceased
  • 2011-05-13 CN CN2011800113733A patent/CN102822567A/zh active Pending
• 2012
  • 2012-10-10 US US13/648,730 patent/US8568267B2/en active Active

Patent Citations (2)

Non-Patent Citations (1)

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