A hydraulic steering unit (1) is described comprising a supply port arrangement having a pressure port (8) connected to a main flow path (6) and a tank port (T) connected to a tank flow path (7), a working port arrangement having a left working port (L) connected to a left working flow path (9) and a right working port (R) connected to a right working flow path (10), a bridge arrangement (14) of variable orifices having a first left orifice (A2L) connected to the main flow path (6) and to the left working flow path (9), a first right orifice (A2R) connected to the main flow path (6) and to the right working flow path (10), a second left orifice (A3L) connected to the left working flow path (9) and to the tank flow path (7), and a second right orifice (A3R) connected to the right working flow path (10) and to the tank flow path (7). Such a hydraulic steering unit should allow comfortable steering. To this end a measuring motor arrangement is arranged in one of the left working flow path (9) and the right working flow path (10), the measuring motor arrangement (15) having a first measuring motor (16) and a second measuring motor (17).

A hydraulic steering unit (1) is described comprising a supply port arrangement having a pressure port (P) connected to a main flow path (2) and a tank port (T) connected to a tank flow path (3), a working port arrangement having a left working port (L) connected to a left working flow path (9) and a right working port (R) connected to a right working flow path (10), a bridge arrangement (15) of variable orifices having a first left orifice (A2L) connected to the main flow path (2) and to a left connecting point (16) at the left working flow path (9), a first right orifice (A2R) connected to the main flow path (2) and to a right connecting point (17) at the right working flow path (10), a second left orifice (A3L) connected to the left connecting point (16) at the left working flow path (9) and to the tank flow path (3), and a second right orifice (A3R) connected to the right connecting point (17) at the right working flow path (10) and to the tank flow path (3). Such a steering unit should allow for a comfortable steering. To this end reverse flow prevention means (20, 21) are arranged in at least one of the left working flow path (9) and the right working flow path (10).

A hydraulic steering unit (1) is described comprising a supply port arrangement having a pressure port (P) connected to a main flow path (2) and a tank port (T) connected to a tank flow path (3), a working port arrangement having a left working port (L) connected to a left working flow path (9) and a right working port (R) connected to a right working flow path (10), a bridge arrangement (15) of variable orifices having a first left orifice (A2L) connected to the main flow path (2) and to a left connecting point (16) at the left working flow path (9), a first right orifice (A2R) connected to the main flow path (2) and to a right connecting point (17) at the right working flow path (10), a second left orifice (A3L) connected to the left connecting point (16) at the left working flow path (9) and to the tank flow path (3), and a second right orifice (A3R) connected to the right connecting point (17) at the right working flow path (10) and to the tank flow path (3). Such a steering unit should allow for a comfortable steering. To this end reverse flow prevention means (20, 21) are arranged in at least one of the left working flow path (9) and the right working flow path (10).

A system includes a torque overlay device having an input shaft and an output shaft coupled to the input shaft. The system includes a steering wheel coupled to the input shaft. The system includes a processor and a memory storing instructions executable by the processor to detect a torque applied to the input shaft and to actuate the torque overlay device to provide torque to the output shaft in a direction opposite the torque applied to the input shaft.

A system includes a torque overlay device having an input shaft and an output shaft coupled to the input shaft. The system includes a steering wheel coupled to the input shaft. The system includes a processor and a memory storing instructions executable by the processor to detect a torque applied to the input shaft and to actuate the torque overlay device to provide torque to the output shaft in a direction opposite the torque applied to the input shaft.

A bus bar unit includes a bus bar holder, a bus bar extending in a direction perpendicular to an axial direction and fixed to the bus bar holder, and an external connection terminal connected to the bus bar and extending to one side in the axial direction from the bus bar. The external connection terminal has a plate shape. The external connection terminal includes a first plate portion extending toward one side in the axial direction and a second plate portion that is positioned on a base end side of the first plate portion, is provided with a connection portion connected to the bus bar, and faces a direction different from the first plate portion. The first plate portion and the second plate portion are connected to each other in a bending line extending in the axial direction, and the second plate portion extends from one surface side to the other surface side of the first plate portion when viewed in the axial direction.

A bus bar unit includes a bus bar holder provided on one side in an axial direction of a stator disposed in an annular shape around a central axis extending in a vertical direction, a bus bar extending along a plane perpendicular to the axial direction and fixed to the bus bar holder, and an external connection terminal connected to the bus bar and extending upward from the bus bar. The bus bar includes a wire and a terminal connector located on one end thereof and connected to the external connection terminal, and a lead wire connector located on the other end thereof and connected to a lead wire extending from the stator. The lead wire connector is U-shaped or substantially U-shaped. The lead wire connector includes a first end located on the external connection terminal side and a second end located on the opposite side of the first end. The second end includes an extension extending in a direction away from an opening of the lead wire connector.

A steering system for a vehicle, in particular a utility vehicle, has at least one steering transmission, in particular a ball nut hydraulic steering transmission; at least one steering mechanism for steering at least one first vehicle wheel and for steering at least one second vehicle wheel, wherein the steering transmission is coupled to the steering mechanism; at least one hydraulic pump for supplying the steering transmission with hydraulic fluid; and at least one drive motor which is provided independently and/or separately from the traction drive of the vehicle and which is coupled to the hydraulic pump in order to drive same. In the assembled state, the steering transmission, the hydraulic pump, and the drive motor are designed as a unit.

A steering system for a vehicle, in particular a utility vehicle, has at least one steering transmission, in particular a ball nut hydraulic steering transmission; at least one steering mechanism for steering at least one first vehicle wheel and for steering at least one second vehicle wheel, wherein the steering transmission is coupled to the steering mechanism; at least one hydraulic pump for supplying the steering transmission with hydraulic fluid; and at least one drive motor which is provided independently and/or separately from the traction drive of the vehicle and which is coupled to the hydraulic pump in order to drive same. In the assembled state, the steering transmission, the hydraulic pump, and the drive motor are designed as a unit.

A refuse vehicle includes a chassis, an energy storage device supported by the chassis and configured to provide electrical power to a prime mover, wherein activation of the prime mover selectively drives the refuse vehicle, a body for storing refuse therein supported by the chassis, a first hydraulic pump configured to convert electrical power into hydraulic power, a second first hydraulic pump configured to convert electrical power into hydraulic power, and a motor coupled to at least one of the body or the chassis and configured to drive the first hydraulic pump and drive the second hydraulic pump.