A modified cooler bypass manifold includes a manifold body having an inlet conduit, an outlet conduit, a return conduit, a thermal valve bore, a pressure valve bore and an intermediate conduit. A plug may be installed in the thermal valve bore. In another embodiment, a modified cooler bypass manifold includes an OE manifold body, a first inlet conduit, a second inlet conduit, a first outlet conduit, a second outlet conduit and a valve bore. The modified cooler bypass manifold may also include a pressure bypass valve assembly disposed in the valve bore. An OE end cap and retaining ring may be disposed in the valve bore and operably connected to the pressure bypass valve assembly and the OE manifold body.

A system for adjusting transmission oil temperature and a heat exchange assembly are provided. The heat exchange assembly includes a heat exchange core, a valve assembly, an adapter base, and a mounting plate fixed with the heat exchange core. The valve assembly is arranged in or partially located in a second passage of the heat exchange core. The valve assembly has a first valve port and a first notch. The heat exchange core further includes a through passage in communication with a fourth port. When a first valve port is opened, a third port is in communication with the fourth port through a first passage, the second passage, the first notch and the first valve port in turn. When the first valve port is closed, the third port is in communication with a fifth port through the first passage, the second passage and the first notch in turn.

A method for operating a motor vehicle, in which an electrical energy storage system of the motor vehicle is charged, the system being designed to store electrical energy for a drive assembly of the motor vehicle. At least one electrical heating device of the motor vehicle is supplied thereby with electrical energy from a charging station that is designed to charge the electrical energy storage system. By the at least one electrical heating device, at least one component of a drive train of the motor vehicle is subjected to heat, this component being arranged in the flow of force between the drive assembly and the at least one wheel when driving at least one drivable wheel of the motor vehicle.

A device for a vehicle including: a memory configured to store mapping data including machine learning data defining a mapping that uses an estimation variable that is a variable indicating a vehicle operation status of the vehicle and a detection value of a sensor detecting an oil temperature of a power transmission device as input variables, and uses an element corresponding to the input variables as an output variable; and a processor configured to: acquire the input variables; use the mapping to acquire the element as the output variable of the mapping corresponding to the input variables; and determine based on the element whether the detection value becomes equal to or higher than a threshold value due to occurrence of an abnormality in the power transmission device or a mode of vehicle operation by the driver of the vehicle.

A cooling system differential oil contained in the housing of a differential for a vehicle. The differential includes a housing containing a first portion of differential oil. A tank contains a second portion of differential oil. An inlet passage is provided through which differential oil flows from the housing to the tank. An outlet passage is provided through which differential oil flows from the tank to the housing. A valve is disposed in the outlet passage that has a closed position preventing differential oil from flowing through the outlet passage. The valve has an open position in which differential oil is permitted to flow from the tank to the housing in response to the temperature of the differential oil in the housing exceeding a predetermined temperature.

Transmission systems, control systems for vehicles, and methods of operating vehicles are disclosed herein. A transmission system for a vehicle includes a transmission and a heat exchanger. The transmission is configured to receive rotational power supplied by a drive unit and provide the rotational power to a load in use of the transmission system. The heat exchanger is fluidly coupled to the transmission and configured to cool a sump of the transmission to manage transmission oil temperature in use of the transmission system. The transmission includes a control system having a plurality of sensors and a controller coupled to the plurality of sensors that has a processor and a memory device coupled to the processor.

A transmission for a motor vehicle, including a housing, which at least partly encloses at least one movable transmission part and is filled with an operating medium during a normal operation of the transmission, and including a heating element which dispenses a heat output in order to heat the operating medium. One object is to increase a coupling surface for dispensing a heat output to the operating medium in a simple manner. The heating element is designed to dispense the heat output to the housing via a first coupling surface, and the housing is designed to dispense the heat output to the operating medium via a second coupling surface. The heat output can be transmitted from the heating element to the operating medium in a significantly indirect manner via the housing.

A thermostat for a transmission oil circuit has a thermostat inlet, a thermostat outlet, and a bypass channel, which fluidically connects the thermostat inlet to the thermostat outlet. A circuit inlet and a circuit outlet are provided for coupling to a cooler. A control element and a pressure loss element are accommodated in the interior of the thermostat housing. The pressure loss element is arranged in the bypass channel, and the control element is arranged between the thermostat inlet and the circuit inlet or the circuit outlet and the thermostat outlet. The thermostat can be connected directly to a housing of the transmission.

A differential assembly include a housing defining an oil sump, a differential disposed in the housing, and a thermal-management system. The system includes an oil pump in fluid communication with the sump, a spool valve having an inlet connected to the pump, a first outlet, a second outlet, and a spool slidable to a first position in which the inlet is in fluid communication with the first outlet and to a second position in which the inlet is in fluid communication with the second outlet. The spool valve further has a chamber containing wax configured to move the spool according to a temperature of the wax such that the spool is in the first position when the temperature of the wax is within a first temperature range and is in the second position when the temperature of the wax is within a second temperature range.

A cooling system for a vehicle that includes a temperature detection device for detecting a temperature related to a power transmission apparatus. The cooling system includes a cooling fan and an electronic control apparatus including a load limiting portion configured, when the detected exceeds a limit temperature value, to limit a load applied to the power transmission apparatus. The electronic control apparatus is configured to determine whether the detected temperature is equal to or higher than a fan-cooling temperature value that is lower than the limit temperature value, and to control rotation of the cooling fan, such that the cooling fan is rotated when the detected temperature is not lower than the fan-cooling temperature value, and such that a rotational speed of the cooling fan is higher when a temperature of the power transmission apparatus is high, than when the temperature of the power transmission apparatus is low.