A vehicle 10 includes a prime mover engine 15, a drive wheel 16, and a hydrostatic transmission 20. The prime mover engine 15 has a substantially vertical prime mover output shaft 18. The hydrostatic transmission 20 has a hydraulic pump 24 with a substantially vertical pump input shaft 28. A drive link 31 drivingly connects the pump input shaft 28 to the prime mover output shaft 18. The hydraulic motor 25 has a substantially vertical output shaft 30. An interface connector 32 establishes fluid pressure communication between the hydraulic pump and the hydraulic motor. A gear set is intermediate the hydrostatic transmission 20 and drive wheel 16. The gear set includes a vertically disposed bevel gear 41 drivingly connected to the motor output shaft 30 and a horizontally disposed bevel gear 42 drivingly connected to the drive wheel 16.

A vehicle 10 includes a prime mover engine 15, a drive wheel 16, and a hydrostatic transmission 20. The prime mover engine 15 has a substantially vertical prime mover output shaft 18. The hydrostatic transmission 20 has a hydraulic pump 24 with a substantially vertical pump input shaft 28. A drive link 31 drivingly connects the pump input shaft 28 to the prime mover output shaft 18. The hydraulic motor 25 has a substantially vertical output shaft 30. An interface connector 32 establishes fluid pressure communication between the hydraulic pump and the hydraulic motor. A gear set is intermediate the hydrostatic transmission 20 and drive wheel 16. The gear set includes a vertically disposed bevel gear 41 drivingly connected to the motor output shaft 30 and a horizontally disposed bevel gear 42 drivingly connected to the drive wheel 16.

Vehicle traction device, mainly for land vehicles, of the type comprising a motor and a transmission wherein the motor preferably has an axial rotation, such as an electric motor, wherein the motor rotation is coplanar and concurrent with the primary shaft of the transmission, and wherein the primary shaft is in turn coaxial to the output shaft, such that the output shaft crosses the primary shaft and extends beyond the ends thereof.

Vehicle traction device, mainly for land vehicles, of the type comprising a motor and a transmission wherein the motor preferably has an axial rotation, such as an electric motor, wherein the motor rotation is coplanar and concurrent with the primary shaft of the transmission, and wherein the primary shaft is in turn coaxial to the output shaft, such that the output shaft crosses the primary shaft and extends beyond the ends thereof.

A vehicle engine 2 comprises an exhaust system having an exhaust manifold 12 and an exhaust purification device 18. The exhaust manifold 12 is disposed at a predetermined distance from a dash panel 106 constituting a body of the vehicle 100, the exhaust purification device 18 is disposed in a position overlapping a floor tunnel region 114, formed by a floor tunnel of the body, and is disposed below the exhaust manifold 12 and to one side of the center of the engine 2 in the cylinder-array direction, as viewed from the longitudinal direction of the vehicle 100. An exhaust purification device introduction passage 17 connecting the exhaust manifold 12 and the exhaust purification device 18 is disposed on the other side of the center of the exhaust manifold 12 in the cylinder-array direction, and extends below the exhaust manifold 12 to be connected to the exhaust purification device 18.

An exhaust system device (1) for a vehicle (100) comprises an exhaust purification device (18) and a first exhaust gas recirculation (EGR) cooler (24). The exhaust purification device (18) is disposed with a central axis of a downstream-side end inclined downwardly toward a rear side of the vehicle (100). The EGR cooler (24) is provided so as to introduce exhaust from a downstream side of the exhaust purification device (18), is adjacent to the exhaust purification device (18) and fixed to the exhaust purification device (18), and is disposed such that a central axis of the EGR cooler (24) is inclined downwardly toward the rear side of the vehicle.

Operating a drive train of a vehicle with a clutch unit for distributing torque on a primary axis and a secondary axis of the vehicle comprises: a) determining an available drive torque; b) determining excess torque on the primary axis; c) determining an actual maximum torque on the secondary axis; d) determining the excess torque on the secondary axis insofar as the maximum torque is not exceeded.

Operating a drive train of a vehicle with a clutch unit for distributing torque on a primary axis and a secondary axis of the vehicle comprises: a) determining an available drive torque; b) determining excess torque on the primary axis; c) determining an actual maximum torque on the secondary axis; d) determining the excess torque on the secondary axis insofar as the maximum torque is not exceeded.

An intake and exhaust device (1) for a vehicle engine is capable to perform a compression self-ignition operation, the device comprising on an intake passage a supercharger (9) driven by a force other than an exhaust gas, wherein an exhaust purification device (18) disposed on an exhaust passage is disposed adjacent to an outer surface of the engine (2).

An exhaust system device (1) for a vehicle (100) comprises an exhaust purification device (18) and a first exhaust gas recreation (EGR) cooler (24). The exhaust purification device (18) is disposed with a central axis of a downstream-side end inclined downwardly toward a rear side of the vehicle (100). The EGR cooler (24) is provided so as to introduce exhaust from a downstream side of the exhaust purification device (18), is adjacent to the exhaust purification device (18) and fixed to the exhaust purification device (18), and is disposed such that a central axis of the EGR cooler (24) is inclined downwardly toward the rear side of the vehicle.