# US 2020/0269686 A1 · Modular drive train and a vehicle comprising such a drive train > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0269686 A1 - Document ID: US20200269686A1 - Status: Published application - Kind: A1 - Application number: 16/870,590 - Filed: 2020-05-08 - Published: 2020-08-27 - Earliest claimed: 2017-11-10 - Assignees: Syn Trac GmbH - Applicants: SYN TRAC GmbH - Inventors: Stefan Putz - Web page: https://patentgrep.com/patent/US20200269686A1 ## CPC - B60K 17/346: the transfer gear being a differential gear - B60K 17/3462: {with means for changing distribution of torque between front and rear wheels} - B60K 17/02: characterised by arrangement, location, or kind of clutch - B60K 17/16: of differential gearing - B60K 17/358: {all driven wheels being steerable} - B60K 17/36: for driving tandem wheels - F16H 37/0806: {with a plurality of driving or driven shafts} - B60Y 2200/1422: Multi-axle trucks - B60Y 2400/802: Differential locking systems - B60Y 2410/10: Housings - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - F16H: GEARING - B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY ## Abstract A vehicle is provided according to the disclosure. This vehicle comprises a gearbox, a longitudinal differential, a central tube module, at least one axle with an axle differential, wherein the axles are mounted on the central module and the longitudinal differential transmits the driving torque provided by the gearbox to the at least one axle, and a primary axle differential integrated into the powertrain between the longitudinal differential and the axle. ## Claims ### Claim 1 A vehicle, comprising a gearbox (6) a longitudinal differential (8), a central tube module (9) for connecting an axle (2, 3) with a powertrain (15) of the gearbox (6), wherein an axle (2, 3) is mounted on the central tube module (9) and the longitudinal differential (8) transmits the driving torque provided by the gearbox (6) via a drive shaft in the central tube module (9) to the at least one first axle (2, 3), and the longitudinal differential and an axle differential (11) as well as the at least one permanently mounted axle (2, 3) are arranged one after the other in the powertrain (15), wherein at least one further axle (4, 5) to be coupled can be driven with the primary axle differential (12), which is arranged in front of the at least first axle (2, 3), by means of a drive shaft (17) held by the axle differential (11) of the first axle (2, 3) via a coupling device (14). ### Claim 2 (depends on 1) The vehicle according to claim 1, wherein the longitudinal differential (8) for distributing a driving torque to further axles (2, 3, 4, 5) is integrated into the gearbox (6). ### Claim 3 (depends on 2) The vehicle according to claim 2, wherein the longitudinal differential (8) has a differential lock (10). ### Claim 4 (depends on 1) The vehicle according to claim 1, wherein the lockable transverse differential (11) is integrated into the central tube module (9) as an axle differential (11). ### Claim 5 (depends on 1) The vehicle according to claim 1, wherein the primary axle differential (12) is integrated into a powertrain (15) between the axle (2, 3, 4, 5) and the longitudinal differential (8), for distributing the driving torque to further axles to be coupled, wherein the primary axle differential is lockable in order to transmit the driving torque only to a permanently mounted axle in a condition when it is not coupled with an axle. ### Claim 6 (depends on 1) Vehicle according to claim 1, wherein at least one further axle (2, 3, 4, 5) with an axle differential is permanently mounted on the first axle (2, 3, 4, 5) via a central tube module (9), or disconnectably connected with the first axle (2, 3, 4, 5) via the coupling device, wherein the axles (2, 3, 4, 5) then form two front or two, three or more read axles (2, 3, 4, 5) of a vehicle (1). ### Claim 7 (depends on 1) The vehicle according to claim 1, wherein the central tube module (9) is a first central tube module (9) and that a second central tube module (9) is arranged on the gearbox (6) on a side that lies opposite the first central tube module in a longitudinal direction, preferably with an integrated lockable transverse differential (11), wherein a second axle (2, 3, 4, 5) with an axle differential is provided, wherein this second axle (2, 3, 4, 5) is mounted on the second central tube module (9) and the longitudinal differential (8) transmits the driving torque provided by the gearbox (6) to the axles (2, 3, 4, 5). ### Claim 8 (depends on 1) The vehicle according to claim 1, wherein a further axle (2, 3, 4, 5) with an axle differential is permanently mounted on the second axle via a central tube module (9), or is disconnectably connected with the second axle via a coupling device, wherein the axles (2, 3, 4, 5) then form two front or two rear axles (2, 3, 4, 5) of a vehicle (1). ### Claim 9 (depends on 1) The vehicle according to claim 1, wherein front and/or rear axle(s) (2, 3, 4, 5) are driven and/or are designed in a steerable way. ### Claim 10 (depends on 1) The vehicle according to claim 1, wherein the vehicle has a first docking device, which is designed as a holder for a correspondingly designed docking device of an axle module (19) or an aggregate. ### Claim 11 (depends on 1) The vehicle according to claim 1, wherein an axle module (19) to be coupled comprises a docking means or a docking insert for the corresponding connection with the docking device of the vehicle (1), wherein the second side of the claw coupling for the coupling means (14) is integrated in the axle module to be coupled, as well as a central tube module with a separating coupling (18) and a lockable transverse differential (11) as an axle differential (11) and a driven axle (4, 5). ### Claim 12 (depends on 1) The vehicle according to claim 1, wherein the two parts of a claw coupling (14) connecting a drive shaft are connected with each other by means of a coupling device in the coupled condition of an additional axle (4, 5) in an additional axle module (19), so that a torque transmission to the coupled axle (4, 5) is possible, wherein a separating coupling (18) is provided between the claw coupling (14) and the lockable transverse differential (11) as an axle differential (11) for the purpose of preventing the rotation of the docking insert-side claw element during the connection process, wherein the separating coupling (18) is closed after connecting or docking and the primary axle differential lock is opened.