WO2024028260A1 - Boîte de vitesses, véhicule automobile et procédé pour faire fonctionner une boîte de vitesses correspondante - Google Patents

Boîte de vitesses, véhicule automobile et procédé pour faire fonctionner une boîte de vitesses correspondante Download PDF

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Publication number
WO2024028260A1
WO2024028260A1 PCT/EP2023/071143 EP2023071143W WO2024028260A1 WO 2024028260 A1 WO2024028260 A1 WO 2024028260A1 EP 2023071143 W EP2023071143 W EP 2023071143W WO 2024028260 A1 WO2024028260 A1 WO 2024028260A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear
input shaft
bevel
output shaft
gears
Prior art date
Application number
PCT/EP2023/071143
Other languages
German (de)
English (en)
Inventor
Mustafa Öztürk
Original Assignee
Oeztuerk Mustafa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Oeztuerk Mustafa filed Critical Oeztuerk Mustafa
Publication of WO2024028260A1 publication Critical patent/WO2024028260A1/fr

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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
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/089—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
    • 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

Definitions

  • the present invention relates to a transmission, an associated method and a motor vehicle comprising a corresponding transmission, which enable direct switching between different gears without the need for specific gears must be controlled.
  • Transmissions such as dual clutch transmissions, have been used in motor vehicles for a long time, which means that their basic functionality is known.
  • known dual clutch transmissions consist of three transmission output shafts. The first transmission input shaft is connected to a first clutch and gear wheels of a first group of gears. The second transmission input shaft is in turn associated with a second clutch and gear wheels of a second group of gears.
  • the dual clutch transmission has a common transmission output shaft.
  • the DE 19950696 A1 describes a dual clutch transmission for a motor vehicle, which has a first transmission input shaft which has a starting gear and is connected to a first clutch and a second transmission input shaft which has a driving gear and is connected to a second clutch and has a common transmission output shaft.
  • at least one of the transmission input shafts is assigned several gears ,Wherein in a parking lock function, two gears assigned to one of the transmission input shafts can be switched at the same time.
  • WO 2020/161334A1 describes a transmission that was developed in particular for the operation of high-performance cars.
  • the transmission here comprises a transmission housing, a first shaft for receiving a torque, a second shaft for transmitting a torque within the transmission housing and a third shaft for transmitting a torque.
  • first set of gear assemblies located within the transmission housing, each gear assembly including a first gear centered on the first shaft, a second gear centered on the second shaft, and a wet clutch configured to operatively connect or engage the first shaft and the second shaft Disengaging the gear assembly is designed to control torque transmission from the first shaft to the second shaft via the first gear and the second gear.
  • a second set of gear assemblies disposed within the transmission housing include, per gear assembly, a third gear centered on the second shaft, a fourth gear centered on the third shaft, and a wet clutch used to operatively connect the second shaft and the third shaft configured or configured to engage and disengage the gear assembly to control torque transfer from the second shaft to the third shaft via the third gear and the fourth gear.
  • the disadvantage of the type of transmission described above is that these transmissions have a high level of complexity and are therefore very cost-intensive. As a result, such transmissions are usually installed in high-priced vehicles. In addition, the transmissions require a relatively large amount of space in the vehicle due to the more than two shafts and the complex design, which means that these transmissions cannot usually be used in small cars.
  • the object of the present invention is therefore to provide a transmission and a corresponding method, in particular for a motor vehicle, which enable particularly comfortable and sporty switching operation. Further With the help of the transmission and its design, less installation space is required in the vehicle and cost-effective production is possible.
  • the present invention relates to a transmission comprising an input shaft and an output shaft, which are arranged parallel to one another and are connected to one another by means of a plurality of bevel gears and couplings.
  • a first bevel gear is arranged on the input shaft in a rotationally fixed manner, which is connected to a second bevel gear of the input shaft, which is arranged vertically to the respective first bevel gear on the output shaft
  • a first bevel gear is also arranged in each case, which is connected in a rotationally fixed manner to a second bevel gear of the output shaft in an inverted arrangement.
  • the bevel gears of the input shaft and the output shaft are connected to one another by means of clutches in such a way that the rotational movement of the input shaft is transmitted to the output shaft via the bevel gears.
  • the present invention also relates to a motor vehicle which includes a transmission described in accordance with the invention.
  • the present invention also provides a method of operating a transmission, wherein a torque is transmitted to the input shaft of the transmission, on which a first bevel gear is arranged which is connected to a second bevel gear of the input shaft at a 90 ° angle and wherein an output shaft which runs parallel to the input shaft also has a first bevel gear and a second bevel gear, which are arranged vertically to the first bevel gear of the output shaft and wherein the individual bevel gears are each connected to a clutch which transmits the rotational movement of the input shaft to the output shaft via a bevel gear, each gear having such an arrangement of Bevel gears and clutches between the input shaft and output shaft and wherein when an effected torque is transmitted to the input shaft, during clutching the at least one clutch for the respective gear that is engaged is closed and the other clutches that were not activated by the gear change are opened.
  • the present invention is a transmission, an associated method and a motor vehicle comprising a corresponding transmission, which enable direct switching between different gears without the need to control specific gears.
  • the articles “a” and all derivatives thereof, as used herein, should generally be understood as “one or more” unless otherwise specified or apparent from the context as a singular form.
  • the terms “includes”, “Has”, “possesses” and the like are used in the description or claims, these terms are to be understood as the term “identifying” or “comprising”, that is, non-exhaustive, unless explicitly stated.
  • the transmission and method of the present invention is described below in particular for the operation of motor vehicles. These include mobile means of transport and transport that do not rely on rails, but in particular passenger cars. Consequently, the transmission or the method at least one wheel of the motor vehicle, preferably the motor vehicle itself, which includes the wheel.
  • the term “wheel” here includes a disk-shaped, in particular circular, element that is rotatably mounted about an axis that is perpendicular to the idealized circular plane and has contact between the ground and the other vehicle parts, such as the chassis, chassis and other parts, such as the body , engine, transmission and interior and enables the movement of the motor vehicle.
  • the term “rotation-proof connection” used below describes components arranged in relation to one another that are connected to one another in such a way that they rotate at the same angular speed.
  • the transmission according to the invention comprises an input shaft and an output shaft, which are arranged parallel to one another and are connected to one another by means of several bevel gears and couplings.
  • the input shaft of the transmission is connected to the crankshaft of an engine of a motor vehicle by means of at least one transmission flange, whereby the input shaft transmits the torque to the input shaft.
  • a bevel gear per clutch and gear is arranged on the input shaft and is connected to it in a rotationally fixed manner. Depending on the desired number of clutches and number of gears, a different number of bevel gears can therefore be provided on the input shaft.
  • Each bevel gear of each gear 1-n on the input shaft is arranged in relation to the other bevel gears so that it is directed in the same direction. Consequently, all bevel gears for the gears arranged on the input shaft are directed in one direction. The only exception is reverse gear.
  • the bevel gear which is responsible for the reverse gear, is arranged in the opposite direction on the input shaft so that it can reverse the direction of rotation of the output shaft. For example, if 9 forward gears and one reverse gear are to be realized, there would be 9 bevel gears arranged on the input shaft, pointing in one direction and one bevel gear, which is arranged in the opposite direction on the input shaft and is responsible for the reverse gear.
  • each bevel gear that is connected to the input shaft another bevel gear arranged, which is arranged at a 90° angle to it so that it is vertical to the input shaft.
  • the bevel gears connected to the output shaft are each connected to another bevel gear, which is arranged at a right angle to the output shaft on the respective clutch and is therefore vertical to the output shaft.
  • the bevel gears on the output shaft are also aligned in such a way that they are directed in the same direction for the forward gears.
  • the bevel gears on the output shaft also have the same orientation.
  • the output shaft also has the bevel gear for reverse gear aligned in the same direction as the bevel gears for the gears.
  • any number of bevel gears for the corresponding gears can be arranged on the output shaft, the number of bevel gears on the output shaft corresponding to the number of bevel gears on the input shaft.
  • a clutch is arranged behind each of the bevel gears, which transmits the rotational movement of the input shaft to the output shaft via a bevel gear. This means that at least one clutch is arranged between the first and second bevel gears. Furthermore, at least one clutch is also arranged between the second bevel gear of the input shaft and the second gear of the output shaft, so that the shafts are connected to one another.
  • the clutches of a gear enable torque transmission from a first bevel gear of the input shaft to a first bevel gear of the output shaft in the closed state.
  • the individual bevel gears have different gear ratios.
  • the respective clutches of the respective bevel gear of the transmission are arranged between the input shaft and the output shaft.
  • the clutches are arranged between the input and output shafts in such a way that they are also arranged in rows and parallel to the input shaft and the output shaft.
  • the clutches are arranged one behind the other in two rows, one above the other in two rows and / or offset from one another between the input shaft and the output shaft in order to achieve a more compact transmission that requires less storage space.
  • the clutches used can be any known clutch used in the motor vehicle sector This includes, but is not limited to, switchable clutches, non-switchable clutches, releasable clutches, non-releasable clutches, angularly movable clutches, dry clutches and/or wet clutches. However, dry clutches are preferably used because they usually have a higher efficiency than wet clutches.
  • the transmission can be installed in motor vehicles in different designs, although the orientation does not play a role.
  • the transmission can be installed in motor vehicles with a front engine, a mid-engine, a rear engine and/or as a transaxle.
  • the transmission can preferably be installed horizontally, vertically, transversely and/or lengthways into the motor vehicle.
  • the gearbox can be made from any material that can withstand the forces in it. A person skilled in the art will be able to select a suitable material for the components, in particular metal and preferably coated metals.
  • a torque converter may further be included on the input shaft. This can be used to increase driving comfort by also transferring the torque a speed difference, especially in the very small speed range when starting, is allowed.
  • the transmission of the present invention can also cooperate with an electric machine in an embodiment in a two-axle motor vehicle.
  • one vehicle axle of the motor vehicle can be driven with the transmission described above and the other vehicle axle can be operated purely electrically.
  • motor vehicles can be created with different vehicle drive systems that meet the needs of today.
  • the invention also relates to a motor vehicle in which a previously described transmission comprises.
  • the present invention also relates to a method for operating a previously described transmission in a motor vehicle, in which the above transmission is preferably connected to a crankshaft of an engine, whereby torque is transmitted to the input shaft, the input shaft having a first bevel gear per gear connected to a second bevel gear at a 90° angle to the input shaft, and wherein an output shaft running parallel to the input shaft also includes a first bevel gear rotatably connected to the output shaft and is connected to a second bevel gear arranged vertically to the first bevel gear.
  • the bevel gears of each gear are connected to one another with a clutch that transmits the rotational movement of the input shaft to the output shaft via a bevel gear, with each bevel gear having a different gear ratio.
  • a motor vehicle has several gears; in a preferred embodiment, 9 gears plus reverse gear are used. In such cases, only one clutch is closed for one gear, which means that the power from the input shaft is transferred to the output shaft This gear is transmitted, the remaining clutches are in an open state, so that no power is transmitted. Due to the structure described above, with multiple gears that are also arranged on the input shaft and on the output shaft, it is possible to shift directly from one gear to another without having to shift specific gears. The gear change can therefore take place sequentially or from gear X to gear Y.
  • the method comprises the following steps of transmitting an effected torque, preferably from a crankshaft of an engine of a motor vehicle, to the input shaft, wherein during clutching the at least one clutch for the respective gear that is engaged is closed and the other clutches that were not activated by the gear change are opened ; and transmitting the torque from the input shaft to the output shaft via the first bevel gear of the one gear X, which is arranged on the input shaft, to the second bevel gear of the input shaft of the one gear second bevel gear of the output shaft, which is vertical to a first bevel gear of gear X arranged on the output shaft, the bevel gears being non-positively connected to one another by clutches,
  • the output shaft is addressed by the closed clutch of the engaged gear X.
  • the at least one clutch of gear When changing gear, for example from gear X to gear Y, the at least one clutch of gear In a preferred embodiment, only one clutch is open or closed for transmitting the power of each gear.
  • the other clutches of each gear are in an open state. Consequently, preferably only one of the clutches of the respective gear regulates whether or not a power transmission takes place via the respective gear.
  • the parking lock in which the drive wheels are mechanically locked, is achieved in the device and method according to the invention in that the clutches of the gear and gear 2 are closed.
  • the idle position (neutral), in which no power is transmitted to the wheels of the vehicle, is achieved by opening all clutches and thus no power is transmitted from the input shaft to the output shaft. Additional literature on any of the known materials, methods, and applications that may be used in accordance with the present invention will be known to those skilled in the art of automotive transmission technology.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

La présente invention concerne une boîte de vitesses, un procédé associé et un véhicule automobile comprenant une boîte de vitesses correspondante permettant de passer directement entre différentes vitesses sans avoir à actionner des vitesses déterminées.
PCT/EP2023/071143 2022-08-01 2023-07-31 Boîte de vitesses, véhicule automobile et procédé pour faire fonctionner une boîte de vitesses correspondante WO2024028260A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022119195.8 2022-08-01
DE102022119195.8A DE102022119195B4 (de) 2022-08-01 2022-08-01 Getriebe, Kraftfahrzeug und Verfahren zum Betreiben eines entsprechenden Getriebes

Publications (1)

Publication Number Publication Date
WO2024028260A1 true WO2024028260A1 (fr) 2024-02-08

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ID=87797650

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/071143 WO2024028260A1 (fr) 2022-08-01 2023-07-31 Boîte de vitesses, véhicule automobile et procédé pour faire fonctionner une boîte de vitesses correspondante

Country Status (2)

Country Link
DE (1) DE102022119195B4 (fr)
WO (1) WO2024028260A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR801892A (fr) * 1936-02-14 1936-08-20 Changement de vitesses
DE19950696A1 (de) 1999-10-21 2001-04-26 Volkswagen Ag Doppelkupplungsgetriebe und Verfahren zur Steuerung eines automatisierten Doppelkupplungsgetriebes
WO2020161334A1 (fr) 2019-02-08 2020-08-13 Koenigsegg Automotive Ab Boîte de vitesses à arbres multiples

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR801892A (fr) * 1936-02-14 1936-08-20 Changement de vitesses
DE19950696A1 (de) 1999-10-21 2001-04-26 Volkswagen Ag Doppelkupplungsgetriebe und Verfahren zur Steuerung eines automatisierten Doppelkupplungsgetriebes
WO2020161334A1 (fr) 2019-02-08 2020-08-13 Koenigsegg Automotive Ab Boîte de vitesses à arbres multiples

Also Published As

Publication number Publication date
DE102022119195A1 (de) 2024-02-01
DE102022119195B4 (de) 2024-06-13

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