A device (1) for cooling and lubricating components of a vehicle (2) may include a housing (3), a coolant sump (4), a coolant pump (5) for pumping coolant (6) from the coolant sump (4), a heat exchanger (7) for cooling coolant (6) from the coolant pump (5), and a coolant line system (8) including a coolant reservoir (9) having a single coolant inlet (10) and multiple coolant outlets (11.1, 11.2, 11.3, 11.4, 11.5). The coolant line system (8) fluidically connects the coolant pump (5) to the heat exchanger (7), and the heat exchanger (7) to the single coolant inlet (10) of the coolant reservoir (9). The coolant reservoir (9) receives coolant (6) from the heat exchanger (7) via the single coolant inlet (10) and directs coolant (6) via the multiple coolant outlets (11.1, 11.2, 11.3, 11.4, 11.5) onto components in the housing (3) requiring cooling and lubrication.

A device (1) for cooling and lubricating components of a vehicle (2) includes at least one housing (3), a coolant sump (4), a first coolant pump (5.1) configured for delivering coolant (6) from a first housing section (A) for accommodating a transmission (12) into the coolant sump (4), a second coolant pump (5.2) configured for delivering coolant (6) from the coolant sump (4) into a coolant line system (8), and a heat exchanger (7) configured for cooling the coolant (6) delivered by the second coolant pump (5.2). The coolant line system (8) fluidically connects at least the second coolant pump (5.2) to the heat exchanger (7) and, at least indirectly, fluidically connects the heat exchanger (7) to multiple coolant outlets (11.1, 11.2, 11.3, 11.4, 11.5) for spraying coolant (6) onto components in the housing (3) that require cooling and lubrication.

A transmission mechanism device of an aspect of the present invention includes a motor, a transmission mechanism including a plurality of gears, a first shaft and a bearing supporting the first shaft and transmitting power of the motor, a housing that accommodates the transmission mechanism and holds the bearing on an inner face, oil that collects in a lower region inside the housing, a catch tank that is disposed inside the housing and opens upward, an oil passage through which the oil passes, and an oil pump provided in the oil passage. The oil passage has a first path connecting the oil pump and the catch tank and a scooping path for scooping the oil by rotation of the gear to guide the scooped oil to the catch tank. The catch tank includes a feed portion for supplying the oil to the gear or the bearing.

A hydraulic arrangement for an agricultural or industrial utility vehicle includes a main hydraulic circuit, a main hydraulic pump, a charge pump, a lubricating hydraulic circuit, a gearbox lubricating hydraulic circuit, a shifting hydraulic circuit, and a gearbox pump. Hydraulic fluid can be fed to the main hydraulic circuit by the main hydraulic pump. Hydraulic fluid can be fed to the main hydraulic pump by the charge pump. At least a part of the hydraulic fluid delivered by the charge pump can be fed to the lubricating hydraulic circuit. Hydraulic fluid can be fed to the shifting hydraulic circuit by the gearbox pump. At least a portion of the hydraulic fluid delivered by the charge pump can be fed to the gearbox lubricating hydraulic circuit.

An electric oil pump includes: a pump unit 2, rotating to make oil flow; a motor 3 driving the pump unit; a control unit 4 exerting driving control on the motor; and a housing 1 accommodating the pump unit, the motor, and the motor control unit. In the electric oil pump, the motor control unit 4 directly receives detection information of a temperature sensor 5 detecting a temperature of the oil and exerts driving control on the motor based on the detection information.

A propulsion unit (1) for a marine vessel, comprising a shell structure (2), a shaft (4) rotatably coupled to a propulsion motor (3) inside the shell structure (2), and a propeller (5) coupled to the shaft (4) outside the shell structure (2). A shaft seal arrangement (6) is provided to engage the shaft (4), such that at least a first seal chamber (6a) is delimited between adjacent seal lips (6′) and the shaft (4). A first lubrication arrangement is provided for circulating a first lubricant through the first seal chamber (6a). The first lubrication arrangement (7) further comprises a first lubricant heat exchanger (7e) arranged at least partly outside of the shell structure (2) for conducting the first lubricant therethrough and for transferring heat from the first lubricant to an outside environment of the shell structure (2). A propulsion unit for a marine vessel, including a shell structure, a shaft rotatably coupled to a propulsion motor inside the shell structure, and a propeller coupled to the shaft outside the shell structure. A shaft seal arrangement is provided to engage the shaft, such that at least a first seal chamber is delimited between adjacent seal lips and the shaft. A first lubrication arrangement is provided for circulating a first lubricant through the first seal chamber. The first lubrication arrangement further includes a first lubricant heat exchanger arranged at least partly outside of the shell structure for conducting the first lubricant therethrough and for transferring heat from the first lubricant to an outside environment of the shell structure.

A portal gear box assembly for an all-terrain vehicle includes: a portal gear box housing a set of gears and linking an axle to an output shaft; a lubricating oil contained in the gear box; and a fluid circulation loop that circulates a cooling fluid to a cooling location outside the gear box. The cooling fluid may be a lubricating oil. The fluid circulation loop may include a pump and/or a filter. The cooling location may pass the fluid through a structure such as a radiator or other cooler. The circulation loop and/or any radiator/cooler, filter, or pump contained therein, may serve a single portal gear box, or may serve two or more portal gear box assemblies.

An oil supply system for a machine, such as for a power unit of a motor vehicle, with a module body made of plastic including a collection tank which is divided into a prechamber and a main chamber. A predelivery pump can extract oil from the prechamber and pump it into the main chamber, a main delivery pump can extract oil from the main chamber and pump it to the machine, and a return line can return oil from the machine to the prechamber and/or the main chamber. A power unit for a motor vehicle can include such an oil supply system, wherein a predelivery suction opening is arranged on the floor of the prechamber and a main delivery suction opening is arranged on the floor of the main chamber, and the power unit is configured to be mounted in the motor vehicle with an orientation such that a line running through the two suction openings is arranged approximately parallel to the transverse axis of the vehicle.

An actuator system for a vehicle transmission includes an actuating unit and an electric motor drivingly connected to the actuating unit. The actuating unit is configured for displacement by the electric motor between an engagement mode where the transmission is connected to a propulsion unit and a disengagement mode where the transmission is disconnected from the propulsion unit. A clutch unit between the actuating unit and the electric motor is connected to a drive shaft of the electric motor. The clutch unit is configured for connecting the actuating unit to the electric motor when displacing the actuating unit between the engagement disengagement modes. The clutch unit disconnects the actuating unit from the electric motor in the engagement mode. The system further includes an oil pump unit driven by the electric motor at least in the engagement mode.

A vehicle drive-force transmitting apparatus including: a casing provided with an oil supply hole; a pump for pumping out an oil stored in the casing; and a pipe for delivering the oil pumped out by the pump, such that the oil discharged from the pipe is supplied to the oil supply hole. The oil is to be discharged from the pipe collides with an oil collision portion which is a portion of the casing and which is located on an upper side of the oil supply hole. The casing includes a guide portion and a block portion. The guide portion is located on a lower side of the oil collision portion, so as to guide the oil discharged from the pipe toward the oil supply hole. The block portion is located to surround the oil collision portion, so as to block the oil splashing from the oil collision portion.