A ground utility robot and implement attachment apparatus having a ground utility robot, at least one implement, at least one solar panel, at least one battery that is chargeable by the at least one solar panel, a power take-off system that is connected to the ground utility robot and to the at least one implement; where the battery powers said ground utility robot and the implement; a safety system that has a computer, a safety program that utilizes a processing logic on the computer, where the safety program initiates precautionary measures that are carried out by the ground utility robot and the power take-off system if an object comes within a predefined distance from the ground utility robot and implement attachment apparatus.

A vehicle may include a movable roof, a sensor supported by the roof, and an actuator for selectively raising and lowering the roof.

A vehicle may include a movable roof, a sensor supported by the roof, and an actuator for selectively raising and lowering the roof.

A transmission includes a drive element, a first output element, a primary transmission unit, a reversing unit, and an intermediate gearbox. At least three of the at least eight shifting elements of the primary transmission unit, at least one of the at least two shifting elements of the reversing unit, and at least one of the at least two shifting elements of the intermediate gearbox are activatable in combinations of at least five shifting elements so as to establish at least twenty-eight forward gears between the drive element and the first output element.

A power split and creep drive system for street sweeper or like specialty vehicle having a single engine is disclosed. The system intends to retrofit and convert on-highway truck chassis into specialty vehicles capable of performing work function and moving at creeping speed, such as a street sweeper. It includes a hydraulic work circuit or power-take-off (PTO) port, a planetary gear set, a hydraulic system comprising pumps and motors to drive the working devices and balance the demand between propulsion and work function such as sweeping. The planetary gear set includes an input shaft connecting to a transmission output shaft of the chassis, a first output shaft connecting to a hydraulic machine, and a second output shaft to vehicle propulsion drive shaft.

A power split and creep drive system for street sweeper or like specialty vehicle having a single engine is disclosed. The system intends to retrofit and convert on-highway truck chassis into specialty vehicles capable of performing work function and moving at creeping speed, such as a street sweeper. It includes a hydraulic work circuit or power-take-off (PTO) port, a planetary gear set, a hydraulic system comprising pumps and motors to drive the working devices and balance the demand between propulsion and work function such as sweeping. The planetary gear set includes an input shaft connecting to a transmission output shaft of the chassis, a first output shaft connecting to a hydraulic machine, and a second output shaft to vehicle propulsion drive shaft.

The invention relates to a transmission arrangement (10) for a hybrid vehicle, comprising a housing (11), a transmission input shaft (12) and at least one transmission output shaft (13), a first planetary transmission set (PG1) having a first sun gear (zs1), a first ring gear (zr1) and a first planet carrier (c1) for a first planetary gear set (zp1) meshing with the first sun gear (zs1) and the first ring gear (zr1), also comprising a second planetary transmission set (PG2) having a second sun gear (zs2), a second ring gear (zr2) and a second planet carrier (c2) for second planetary gear set (zp2) meshing with the second sun gear (zs2) and the second ring gear (zr2), wherein the transmission input shaft (12) is rotationally fixed to the first planet carrier (c1), and the first ring gear (zr1) and the second ring gear (zr2) are permanently connected to one another and are rotationally fixed to the transmission output shaft (13), further comprising a first electric machine (E1) and a second electric machine (E2), wherein the first electric machine (E1) is in permanent driving engagement with first sun gear (zs1) and the second electric machine (E2) is in driving engagement with the second sun gear (zs2) in at least one operating mode, and wherein the first sun gear (zs1) can be connected to the housing (11) via a first switching element (S1). According to the invention, the second planet carrier (c2) is fixedly connected to the housing (11) and the second electric machine (E2) is drivingly engaged or can be drivingly engaged to the second sun gear (zs2).

The invention relates to a transmission arrangement (10) for a hybrid vehicle, comprising a housing (11), a transmission input shaft (12) and at least one transmission output shaft (13), a first planetary transmission set (PG1) having a first sun gear (zs1), a first ring gear (zr1) and a first planet carrier (c1) for a first planetary gear set (zp1) meshing with the first sun gear (zs1) and the first ring gear (zr1), also comprising a second planetary transmission set (PG2) having a second sun gear (zs2), a second ring gear (zr2) and a second planet carrier (c2) for second planetary gear set (zp2) meshing with the second sun gear (zs2) and the second ring gear (zr2), wherein the transmission input shaft (12) is rotationally fixed to the first planet carrier (c1), and the first ring gear (zr1) and the second ring gear (zr2) are permanently connected to one another and are rotationally fixed to the transmission output shaft (13), further comprising a first electric machine (E1) and a second electric machine (E2), wherein the first electric machine (E1) is in permanent driving engagement with first sun gear (zs1) and the second electric machine (E2) is in driving engagement with the second sun gear (zs2) in at least one operating mode, and wherein the first sun gear (zs1) can be connected to the housing (11) via a first switching element (S1). According to the invention, the second planet carrier (c2) is fixedly connected to the housing (11) and the second electric machine (E2) is drivingly engaged or can be drivingly engaged to the second sun gear (zs2).

The invention relates to a method, performed by a control device, for driving at least one power consumer connected to a powertrain of a vehicle. The at least one propulsion unit comprises a first electrical machine and a second electrical machine, wherein the first electrical machine is connected to a first main shaft and the second electrical machine is connected to a second main shaft. A connection shaft is connected to the first electrical machine; and the at least one power consumer comprises a first power consumer connected to the first main shaft and/or a second power consumer connected to the connection shaft. The method comprising: controlling the powertrain to provide uninterrupted propelling torque on the first main shaft and/or on the connection shaft during a stand still condition of the output shaft of the gearbox and/or during a transition from a stand still condition to a rotational condition of the output shaft of the gearbox, and/or during gear shifting from one gear to another gear in the gearbox. The invention also relates to a vehicle comprising a powertrain, a computer program and a computer-readable medium.

This invention relates to power takeoff devices (PTOs), which are useful for mounting on transmissions and for performing, directly or indirectly, useful work via the PTO's rotatable output shaft. A system and method designed for quick and convenient installation of a PTO and an attachment element. In some embodiments, the attachment element is an adapter configured to secure a transmission and the PTO is configured to attach to the adapter.